\u4e00\u3001\u6570\u7ec4\u64cd\u4f5c\u7684\u57fa\u672c\u51fd\u6570<\/p>\n
\u6570\u7ec4\u7684\u952e\u540d\u548c\u503c<\/p>\n
array_values($arr);\u83b7\u5f97\u6570\u7ec4\u7684\u503c<\/p>\n
array_keys($arr);\u83b7\u5f97\u6570\u7ec4\u7684\u952e\u540d<\/p>\n
array_flip($arr);\u6570\u7ec4\u4e2d\u7684\u503c\u4e0e\u952e\u540d\u4e92\u6362\uff08\u5982\u679c\u6709\u91cd\u590d\u524d\u9762\u7684\u4f1a\u88ab\u540e\u9762\u7684\u8986\u76d6\uff09<\/p>\n
in_array(“apple”,$arr);\u5728\u6570\u7ec4\u4e2d\u68c0\u7d22apple<\/p>\n
array_search(“apple”,$arr);\u5728\u6570\u7ec4\u4e2d\u68c0\u7d22apple \uff0c\u5982\u679c\u5b58\u5728\u8fd4\u56de\u952e\u540d<\/p>\n
array_key_exists(“apple”,$arr);\u68c0\u7d22\u7ed9\u5b9a\u7684\u952e\u540d\u662f\u5426\u5b58\u5728\u6570\u7ec4\u4e2d<\/p>\n
isset($arr[apple]):\u68c0\u7d22\u7ed9\u5b9a\u7684\u952e\u540d\u662f\u5426\u5b58\u5728\u6570\u7ec4\u4e2d<\/p>\n
<\/p>\n
\u6570\u7ec4\u7684\u5185\u90e8\u6307\u9488<\/p>\n
current($arr);\u8fd4\u56de\u6570\u7ec4\u4e2d\u7684\u5f53\u524d\u5355\u5143<\/p>\n
pos($arr);\u8fd4\u56de\u6570\u7ec4\u4e2d\u7684\u5f53\u524d\u5355\u5143<\/p>\n
key($arr);\u8fd4\u56de\u6570\u7ec4\u4e2d\u5f53\u524d\u5355\u5143\u7684\u952e\u540d<\/p>\n
prev($arr);\u5c06\u6570\u7ec4\u4e2d\u7684\u5185\u90e8\u6307\u9488\u5012\u56de\u4e00\u4f4d<\/p>\n
next($arr);\u5c06\u6570\u7ec4\u4e2d\u7684\u5185\u90e8\u6307\u9488\u5411\u524d\u79fb\u52a8\u4e00\u4f4d<\/p>\n
end($arr);\u5c06\u6570\u7ec4\u4e2d\u7684\u5185\u90e8\u6307\u9488\u6307\u5411\u6700\u540e\u4e00\u4e2a\u5355\u5143<\/p>\n
reset($arr;\u5c06\u6570\u7ec4\u4e2d\u7684\u5185\u90e8\u6307\u9488\u6307\u5411\u7b2c\u4e00\u4e2a\u5355\u5143<\/p>\n
each($arr);\u5c06\u8fd4\u56de\u6570\u7ec4\u5f53\u524d\u5143\u7d20\u7684\u4e00\u4e2a\u952e\u540d\/\u503c\u7684\u6784\u9020\u6570\u7ec4\uff0c\u5e76\u4f7f\u6570\u7ec4\u6307\u9488\u5411\u524d\u79fb\u52a8\u4e00\u4f4d<\/p>\n
list($key,$value)=each($arr);\u83b7\u5f97\u6570\u7ec4\u5f53\u524d\u5143\u7d20\u7684\u952e\u540d\u548c\u503c<\/p>\n
<\/p>\n
\u6570\u7ec4\u548c\u53d8\u91cf\u4e4b\u95f4\u7684\u8f6c\u6362<\/p>\n
extract($arr);\u7528\u4e8e\u628a\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u8f6c\u6362\u6210\u53d8\u91cf\u5bfc\u5165\u5230\u5f53\u524d\u6587\u4ef6\u4e2d\uff0c\u952e\u540d\u5f53\u4f5c\u53d8\u91cf\u540d\uff0c\u503c\u4f5c\u4e3a\u53d8\u91cf\u503c<\/p>\n
\u6ce8\uff1a\uff08\u7b2c\u4e8c\u4e2a\u53c2\u6570\u5f88\u91cd\u8981\uff0c\u53ef\u4ee5\u770b\u624b\u518c\u4f7f\u7528\uff09\u4f7f\u7528\u65b9\u6cd5 echo $a;<\/p>\n
compact(var1,var2,var3);\u7528\u7ed9\u5b9a\u7684\u53d8\u91cf\u540d\u521b\u5efa\u4e00\u4e2a\u6570\u7ec4<\/p>\n
<\/p>\n
\u4e8c\u3001\u6570\u7ec4\u7684\u5206\u6bb5\u548c\u586b\u5145<\/p>\n
\u6570\u7ec4\u7684\u5206\u6bb5<\/p>\n
array_slice($arr,0,3);\u53ef\u4ee5\u5c06\u6570\u7ec4\u4e2d\u7684\u4e00\u6bb5\u53d6\u51fa\uff0c\u6b64\u51fd\u6570\u5ffd\u7565\u952e\u540d<\/p>\n
array_splice($arr,0,3\uff0carray(“black”,”maroon”));\u53ef\u4ee5\u5c06\u6570\u7ec4\u4e2d\u7684\u4e00\u6bb5\u53d6\u51fa\uff0c\u4e0e\u4e0a\u4e2a\u51fd\u6570\u4e0d\u540c\u5728\u4e8e\u8fd4\u56de\u7684\u5e8f\u5217\u4ece\u539f\u6570\u7ec4\u4e2d\u5220\u9664<\/p>\n
<\/p>\n
\u5206\u5272\u591a\u4e2a\u6570\u7ec4<\/p>\n
array_chunk($arr,3,TRUE);\u53ef\u4ee5\u5c06\u4e00\u4e2a\u6570\u7ec4\u5206\u5272\u6210\u591a\u4e2a\uff0cTRUE\u4e3a\u4fdd\u7559\u539f\u6570\u7ec4\u7684\u952e\u540d<\/p>\n
<\/p>\n
\u6570\u7ec4\u7684\u586b\u5145<\/p>\n
array_pad($arr,5,’x’);\u5c06\u4e00\u4e2a\u6570\u7ec4\u586b\u8865\u5230\u5236\u5b9a\u957f\u5ea6<\/p>\n
<\/p>\n
\u4e09\u3001\u6570\u7ec4\u4e0e\u6808<\/p>\n
array_push($arr,”apple”,”pear”);\u5c06\u4e00\u4e2a\u6216\u591a\u4e2a\u5143\u7d20\u538b\u5165\u6570\u7ec4\u6808\u7684\u672b\u5c3e\uff08\u5165\u6808\uff09\uff0c\u8fd4\u56de\u5165\u6808\u5143\u7d20\u7684\u4e2a\u6570<\/p>\n
array_pop($arr);\u5c06\u6570\u7ec4\u6808\u7684\u6700\u540e\u4e00\u4e2a\u5143\u7d20\u5f39\u51fa\uff08\u51fa\u6808\uff09<\/p>\n
<\/p>\n
\u56db\u3001\u6570\u7ec4\u4e0e\u5217\u961f<\/p>\n
array_shift($arr);\u6570\u7ec4\u4e2d\u7684\u7b2c\u4e00\u4e2a\u5143\u7d20\u79fb\u51fa\u5e76\u4f5c\u4e3a\u7ed3\u679c\u8fd4\u56de\uff08\u6570\u7ec4\u957f\u5ea6\u51cf1\uff0c\u5176\u4ed6\u5143\u7d20\u5411\u524d\u79fb\u52a8\u4e00\u4f4d\uff0c\u6570\u5b57\u952e\u540d\u6539\u4e3a\u4ece\u96f6\u6280\u672f\uff0c\u6587\u5b57\u952e\u540d\u4e0d\u53d8\uff09<\/p>\n
array_unshift($arr,”a”,array(1,2));\u5728\u6570\u7ec4\u7684\u5f00\u5934\u63d2\u5165\u4e00\u4e2a\u6216\u591a\u4e2a\u5143\u7d20<\/p>\n
<\/p>\n
\u4e94\u3001\u56de\u8c03\u51fd\u6570<\/p>\n
array_walk($arr,’function’,’words’);\u4f7f\u7528\u7528\u6237\u51fd\u6570\u5bf9\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u6210\u5458\u8fdb\u884c\u5904\u7406\uff08\u7b2c\u4e09\u4e2a\u53c2\u6570\u4f20\u9012\u7ed9\u56de\u8c03\u51fd\u6570function\uff09<\/p>\n
array_mpa(“function”,$arr1,$arr2);\u53ef\u4ee5\u5904\u7406\u591a\u4e2a\u6570\u7ec4\uff08\u5f53\u4f7f\u7528\u4e24\u4e2a\u6216\u66f4\u591a\u6570\u7ec4\u65f6\uff0c\u4ed6\u4eec\u7684\u957f\u5ea6\u5e94\u8be5\u76f8\u540c\uff09<\/p>\n
array_filter($arr,”function”);\u4f7f\u7528\u56de\u8c03\u51fd\u6570\u8fc7\u6ee4\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\uff0c\u5982\u679c\u56de\u8c03\u51fd\u6570\u4e3aTRUE\uff0c\u6570\u7ec4\u7684\u5f53\u524d\u5143\u7d20\u4f1a\u88ab\u5305\u542b\u5728\u8fd4\u56de\u7684\u7ed3\u679c\u6570\u7ec4\u4e2d\uff0c\u6570\u7ec4\u7684\u952e\u540d\u4fdd\u7559\u4e0d\u53d8<\/p>\n
array_reduce($arr,”function”,”*”);\u8f6c\u5316\u4e3a\u5355\u503c\u51fd\u6570\uff08*\u4e3a\u6570\u7ec4\u7684\u7b2c\u4e00\u4e2a\u503c\uff09<\/p>\n
<\/p>\n
\u516d\u3001\u6570\u7ec4\u7684\u6392\u5e8f<\/p>\n
\u901a\u8fc7\u5143\u7d20\u503c\u5bf9\u6570\u7ec4\u6392\u5e8f<\/p>\n
sort($arr);\u7531\u5c0f\u5230\u5927\u7684\u987a\u5e8f\u6392\u5e8f\uff08\u7b2c\u4e8c\u4e2a\u53c2\u6570\u4e3a\u6309\u4ec0\u4e48\u65b9\u5f0f\u6392\u5e8f\uff09\u5ffd\u7565\u952e\u540d\u7684\u6570\u7ec4\u6392\u5e8f<\/p>\n
rsort($arr);\u7531\u5927\u5230\u5c0f\u7684\u987a\u5e8f\u6392\u5e8f\uff08\u7b2c\u4e8c\u4e2a\u53c2\u6570\u4e3a\u6309\u4ec0\u4e48\u65b9\u5f0f\u6392\u5e8f\uff09\u5ffd\u7565\u952e\u540d\u7684\u6570\u7ec4\u6392\u5e8f<\/p>\n
usort($arr,”function”);\u4f7f\u7528\u7528\u6237\u81ea\u5b9a\u4e49\u7684\u6bd4\u8f83\u51fd\u6570\u5bf9\u6570\u7ec4\u4e2d\u7684\u503c\u8fdb\u884c\u6392\u5e8f\uff08function\u4e2d\u6709\u4e24\u4e2a\u53c2\u6570\uff0c0\u8868\u793a\u76f8\u7b49\uff0c\u6b63\u6570\u8868\u793a\u7b2c\u4e00\u4e2a\u5927\u4e8e\u7b2c\u4e8c\u4e2a\uff0c\u8d1f\u6570\u8868\u793a\u7b2c\u4e00\u4e2a\u5c0f\u4e8e\u7b2c\u4e8c\u4e2a\uff09\u5ffd\u7565\u952e\u540d\u7684\u6570\u7ec4\u6392\u5e8f<\/p>\n
asort($arr);\u7531\u5c0f\u5230\u5927\u7684\u987a\u5e8f\u6392\u5e8f\uff08\u7b2c\u4e8c\u4e2a\u53c2\u6570\u4e3a\u6309\u4ec0\u4e48\u65b9\u5f0f\u6392\u5e8f\uff09\u4fdd\u7559\u952e\u540d\u7684\u6570\u7ec4\u6392\u5e8f<\/p>\n
arsort($arr);\u7531\u5927\u5230\u5c0f\u7684\u987a\u5e8f\u6392\u5e8f\uff08\u7b2c\u4e8c\u4e2a\u53c2\u6570\u4e3a\u6309\u4ec0\u4e48\u65b9\u5f0f\u6392\u5e8f\uff09\u4fdd\u7559\u952e\u540d\u7684\u6570\u7ec4\u6392\u5e8f<\/p>\n
uasort($arr,”function”);\u4f7f\u7528\u7528\u6237\u81ea\u5b9a\u4e49\u7684\u6bd4\u8f83\u51fd\u6570\u5bf9\u6570\u7ec4\u4e2d\u7684\u503c\u8fdb\u884c\u6392\u5e8f\uff08function\u4e2d\u6709\u4e24\u4e2a\u53c2\u6570\uff0c0\u8868\u793a\u76f8\u7b49\uff0c\u6b63\u6570\u8868\u793a\u7b2c\u4e00\u4e2a\u5927\u4e8e\u7b2c\u4e8c\u4e2a\uff0c\u8d1f\u6570\u8868\u793a\u7b2c\u4e00\u4e2a\u5c0f\u4e8e\u7b2c\u4e8c\u4e2a\uff09\u4fdd\u7559\u952e\u540d\u7684\u6570\u7ec4\u6392\u5e8f<\/p>\n
<\/p>\n
\u901a\u8fc7\u952e\u540d\u5bf9\u6570\u7ec4\u6392\u5e8f<\/p>\n
ksort($arr);\u6309\u7167\u952e\u540d\u6b63\u5e8f\u6392\u5e8f<\/p>\n
krsort($arr);\u6309\u7167\u952e\u540d\u9006\u5e8f\u6392\u5e8f<\/p>\n
uksort($arr,”function”);\u4f7f\u7528\u7528\u6237\u81ea\u5b9a\u4e49\u7684\u6bd4\u8f83\u51fd\u6570\u5bf9\u6570\u7ec4\u4e2d\u7684\u952e\u540d\u8fdb\u884c\u6392\u5e8f\uff08function\u4e2d\u6709\u4e24\u4e2a\u53c2\u6570\uff0c0\u8868\u793a\u76f8\u7b49\uff0c\u6b63\u6570\u8868\u793a\u7b2c\u4e00\u4e2a\u5927\u4e8e\u7b2c\u4e8c\u4e2a\uff0c\u8d1f\u6570\u8868\u793a\u7b2c\u4e00\u4e2a\u5c0f\u4e8e\u7b2c\u4e8c\u4e2a\uff09<\/p>\n
<\/p>\n
\u81ea\u7136\u6392\u5e8f\u6cd5\u6392\u5e8f<\/p>\n
natsort($arr);\u81ea\u7136\u6392\u5e8f\uff08\u5ffd\u7565\u952e\u540d\uff09<\/p>\n
natcasesort($arr);\u81ea\u7136\u6392\u5e8f\uff08\u5ffd\u7565\u5927\u5c0f\u5199\uff0c\u5ffd\u7565\u952e\u540d\uff09<\/p>\n
<\/p>\n
\u4e03\u3001\u6570\u7ec4\u7684\u8ba1\u7b97<\/p>\n
\u6570\u7ec4\u5143\u7d20\u7684\u6c42\u548c<\/p>\n
array_sum($arr);\u5bf9\u6570\u7ec4\u5185\u90e8\u7684\u6240\u6709\u5143\u7d20\u505a\u6c42\u548c\u8fd0\u7b97<\/p>\n
<\/p>\n
\u6570\u7ec4\u7684\u5408\u5e76<\/p>\n
array_merge($arr1,$arr2);\u5408\u5e76\u4e24\u4e2a\u6216\u591a\u4e2a\u6570\u7ec4\uff08\u76f8\u540c\u7684\u5b57\u7b26\u4e32\u952e\u540d\uff0c\u540e\u9762\u7684\u8986\u76d6\u524d\u9762\u7684\uff0c\u76f8\u540c\u7684\u6570\u5b57\u952e\u540d\uff0c\u540e\u9762\u7684\u4e0d\u4f1a\u505a\u8986\u76d6\u64cd\u4f5c\uff0c\u800c\u662f\u9644\u52a0\u5230\u540e\u9762\uff09<\/p>\n
\u201c+\u201d$arr1+$arr2;\u5bf9\u4e8e\u76f8\u540c\u7684\u952e\u540d\u53ea\u4fdd\u7559\u540e\u4e00\u4e2a<\/p>\n
array_merge_recursive($arr1,$arr2); \u9012\u5f52\u5408\u5e76\u64cd\u4f5c\uff0c\u5982\u679c\u6570\u7ec4\u4e2d\u6709\u76f8\u540c\u7684\u5b57\u7b26\u4e32\u952e\u540d\uff0c\u8fd9\u4e9b\u503c\u5c06\u88ab\u5408\u5e76\u5230\u4e00\u4e2a\u6570\u7ec4\u4e2d\u53bb\u3002\u5982\u679c\u4e00\u4e2a\u503c\u672c\u8eab\u662f\u4e00\u4e2a\u6570\u7ec4\uff0c\u5c06\u6309\u7167\u76f8\u5e94\u7684\u952e\u540d\u628a\u5b83\u5408\u5e76\u4e3a\u53e6\u4e00\u4e2a\u6570\u7ec4\u3002\u5f53\u6570\u7ec4 \u5177\u6709\u76f8\u540c\u7684\u6570\u7ec4\u952e\u540d\u65f6\uff0c\u540e\u4e00\u4e2a\u503c\u5c06\u4e0d\u4f1a\u8986\u76d6\u539f\u6765\u7684\u503c\uff0c\u800c\u662f\u9644\u52a0\u5230\u540e\u9762<\/p>\n
<\/p>\n
\u6570\u7ec4\u7684\u5dee\u96c6<\/p>\n
array_diff($arr1,$arr2);\u8fd4\u56de\u5dee\u96c6\u7ed3\u679c\u6570\u7ec4<\/p>\n
array_diff_assoc($arr1,$arr2,$arr3);\u8fd4\u56de\u5dee\u96c6\u7ed3\u679c\u6570\u7ec4\uff0c\u952e\u540d\u4e5f\u505a\u6bd4\u8f83<\/p>\n
<\/p>\n
\u6570\u7ec4\u7684\u4ea4\u96c6<\/p>\n
array_intersect($arr1,$arr2);\u8fd4\u56de\u4ea4\u96c6\u7ed3\u679c\u6570\u7ec4<\/p>\n
array_intersect_assoc($arr1,$arr2);\u8fd4\u56de\u4ea4\u96c6\u7ed3\u679c\u6570\u7ec4\uff0c\u952e\u540d\u4e5f\u505a\u6bd4\u8f83<\/p>\n
<\/p>\n
\u516b\u3001\u5176\u4ed6\u7684\u6570\u7ec4\u51fd\u6570<\/p>\n
range(0,12);\u521b\u5efa\u4e00\u4e2a\u5305\u542b\u6307\u5b9a\u8303\u56f4\u5355\u5143\u7684\u6570\u7ec4<\/p>\n
array_unique($arr);\u79fb\u9664\u6570\u7ec4\u4e2d\u91cd\u590d\u7684\u503c\uff0c\u65b0\u7684\u6570\u7ec4\u4e2d\u4f1a\u4fdd\u7559\u539f\u59cb\u7684\u952e\u540d<\/p>\n
array_reverse($arr,TRUE);\u8fd4\u56de\u4e00\u4e2a\u5355\u5143\u987a\u5e8f\u4e0e\u539f\u6570\u7ec4\u76f8\u53cd\u7684\u6570\u7ec4\uff0c\u5982\u679c\u7b2c\u4e8c\u4e2a\u53c2\u6570\u4e3aTRUE\u4fdd\u7559\u539f\u6765\u7684\u952e\u540d<\/p>\n
\/\/srand((float)microtime()*10000000); \u968f\u673a\u79cd\u5b50\u89e6\u53d1\u5668<\/p>\n
array_rand($arr,2);\u4ece\u6570\u7ec4\u4e2d\u968f\u673a\u53d6\u51fa\u4e00\u4e2a\u6216 \u591a\u4e2a\u5143\u7d20<\/p>\n
shuffle($arr);\u5c06\u6570\u7ec4\u7684\u987a\u5e8f\u6253\u4e71<\/p>\n
\u672c\u7c7b\u51fd\u6570\u5141\u8bb8\u7528\u591a\u79cd\u65b9\u6cd5\u6765\u64cd\u4f5c\u6570\u7ec4\u548c\u4e0e\u4e4b\u4ea4\u4e92\u3002\u6570\u7ec4\u7684\u672c\u8d28\u662f\u50a8\u5b58\uff0c\u7ba1\u7406\u548c\u64cd\u4f5c\u4e00\u7ec4\u53d8\u91cf\u3002<\/p>\n
PHP \u652f\u6301\u4e00\u7ef4\u548c\u591a\u7ef4\u6570\u7ec4\uff0c\u53ef\u4ee5\u662f\u7528\u6237\u521b\u5efa\u6216\u7531\u53e6\u4e00\u4e2a\u51fd\u6570\u521b\u5efa\u3002\u6709\u4e00\u4e9b\u7279\u5b9a\u7684\u6570\u636e\u5e93\u5904\u7406\u51fd\u6570\u53ef\u4ee5\u4ece\u6570\u636e\u5e93\u67e5\u8be2\u4e2d\u751f\u6210\u6570\u7ec4\uff0c\u8fd8\u6709\u4e00\u4e9b\u51fd\u6570\u8fd4\u56de\u6570\u7ec4\u3002<\/p>\n
<\/p>\n
array_change_key_case \u2014 \u8fd4\u56de\u5b57\u7b26\u4e32\u952e\u540d\u5168\u4e3a\u5c0f\u5199\u6216\u5927\u5199\u7684\u6570\u7ec4<\/p>\n
array_chunk \u2014 \u5c06\u4e00\u4e2a\u6570\u7ec4\u5206\u5272\u6210\u591a\u4e2a<\/p>\n
array_combine \u2014 \u521b\u5efa\u4e00\u4e2a\u6570\u7ec4\uff0c\u7528\u4e00\u4e2a\u6570\u7ec4\u7684\u503c\u4f5c\u4e3a\u5176\u952e\u540d\uff0c\u53e6\u4e00\u4e2a\u6570\u7ec4\u7684\u503c\u4f5c\u4e3a\u5176\u503c<\/p>\n
array_count_values \u2014 \u7edf\u8ba1\u6570\u7ec4\u4e2d\u6240\u6709\u7684\u503c\u51fa\u73b0\u7684\u6b21\u6570<\/p>\n
array_diff_assoc \u2014 \u5e26\u7d22\u5f15\u68c0\u67e5\u8ba1\u7b97\u6570\u7ec4\u7684\u5dee\u96c6<\/p>\n
array_diff_key \u2014 \u4f7f\u7528\u952e\u540d\u6bd4\u8f83\u8ba1\u7b97\u6570\u7ec4\u7684\u5dee\u96c6<\/p>\n
array_diff_uassoc \u2014 \u7528\u7528\u6237\u63d0\u4f9b\u7684\u56de\u8c03\u51fd\u6570\u505a\u7d22\u5f15\u68c0\u67e5\u6765\u8ba1\u7b97\u6570\u7ec4\u7684\u5dee\u96c6<\/p>\n
array_diff_ukey \u2014 \u7528\u56de\u8c03\u51fd\u6570\u5bf9\u952e\u540d\u6bd4\u8f83\u8ba1\u7b97\u6570\u7ec4\u7684\u5dee\u96c6<\/p>\n
array_diff \u2014 \u8ba1\u7b97\u6570\u7ec4\u7684\u5dee\u96c6<\/p>\n
array_fill_keys \u2014 Fill an array with values, specifying keys<\/p>\n
array_fill \u2014 \u7528\u7ed9\u5b9a\u7684\u503c\u586b\u5145\u6570\u7ec4<\/p>\n
array_filter \u2014 \u7528\u56de\u8c03\u51fd\u6570\u8fc7\u6ee4\u6570\u7ec4\u4e2d\u7684\u5355\u5143<\/p>\n
array_flip \u2014 \u4ea4\u6362\u6570\u7ec4\u4e2d\u7684\u952e\u548c\u503c<\/p>\n
array_intersect_assoc \u2014 \u5e26\u7d22\u5f15\u68c0\u67e5\u8ba1\u7b97\u6570\u7ec4\u7684\u4ea4\u96c6<\/p>\n
array_intersect_key \u2014 \u4f7f\u7528\u952e\u540d\u6bd4\u8f83\u8ba1\u7b97\u6570\u7ec4\u7684\u4ea4\u96c6<\/p>\n
array_intersect_uassoc \u2014 \u5e26\u7d22\u5f15\u68c0\u67e5\u8ba1\u7b97\u6570\u7ec4\u7684\u4ea4\u96c6\uff0c\u7528\u56de\u8c03\u51fd\u6570\u6bd4\u8f83\u7d22\u5f15<\/p>\n
array_intersect_ukey \u2014 \u7528\u56de\u8c03\u51fd\u6570\u6bd4\u8f83\u952e\u540d\u6765\u8ba1\u7b97\u6570\u7ec4\u7684\u4ea4\u96c6<\/p>\n
array_intersect \u2014 \u8ba1\u7b97\u6570\u7ec4\u7684\u4ea4\u96c6<\/p>\n
array_key_exists \u2014 \u68c0\u67e5\u7ed9\u5b9a\u7684\u952e\u540d\u6216\u7d22\u5f15\u662f\u5426\u5b58\u5728\u4e8e\u6570\u7ec4\u4e2d<\/p>\n
array_keys \u2014 \u8fd4\u56de\u6570\u7ec4\u4e2d\u6240\u6709\u7684\u952e\u540d<\/p>\n
array_map \u2014 \u5c06\u56de\u8c03\u51fd\u6570\u4f5c\u7528\u5230\u7ed9\u5b9a\u6570\u7ec4\u7684\u5355\u5143\u4e0a<\/p>\n
array_merge_recursive \u2014 \u9012\u5f52\u5730\u5408\u5e76\u4e00\u4e2a\u6216\u591a\u4e2a\u6570\u7ec4<\/p>\n
array_merge \u2014 \u5408\u5e76\u4e00\u4e2a\u6216\u591a\u4e2a\u6570\u7ec4<\/p>\n
array_multisort \u2014 \u5bf9\u591a\u4e2a\u6570\u7ec4\u6216\u591a\u7ef4\u6570\u7ec4\u8fdb\u884c\u6392\u5e8f<\/p>\n
array_pad \u2014 \u7528\u503c\u5c06\u6570\u7ec4\u586b\u8865\u5230\u6307\u5b9a\u957f\u5ea6<\/p>\n
array_pop \u2014 \u5c06\u6570\u7ec4\u6700\u540e\u4e00\u4e2a\u5355\u5143\u5f39\u51fa\uff08\u51fa\u6808\uff09<\/p>\n
array_product \u2014 \u8ba1\u7b97\u6570\u7ec4\u4e2d\u6240\u6709\u503c\u7684\u4e58\u79ef<\/p>\n
array_push \u2014 \u5c06\u4e00\u4e2a\u6216\u591a\u4e2a\u5355\u5143\u538b\u5165\u6570\u7ec4\u7684\u672b\u5c3e\uff08\u5165\u6808\uff09<\/p>\n
array_rand \u2014 \u4ece\u6570\u7ec4\u4e2d\u968f\u673a\u53d6\u51fa\u4e00\u4e2a\u6216\u591a\u4e2a\u5355\u5143<\/p>\n
array_reduce \u2014 \u7528\u56de\u8c03\u51fd\u6570\u8fed\u4ee3\u5730\u5c06\u6570\u7ec4\u7b80\u5316\u4e3a\u5355\u4e00\u7684\u503c<\/p>\n
array_reverse \u2014 \u8fd4\u56de\u4e00\u4e2a\u5355\u5143\u987a\u5e8f\u76f8\u53cd\u7684\u6570\u7ec4<\/p>\n
array_search \u2014 \u5728\u6570\u7ec4\u4e2d\u641c\u7d22\u7ed9\u5b9a\u7684\u503c\uff0c\u5982\u679c\u6210\u529f\u5219\u8fd4\u56de\u76f8\u5e94\u7684\u952e\u540d<\/p>\n
array_shift \u2014 \u5c06\u6570\u7ec4\u5f00\u5934\u7684\u5355\u5143\u79fb\u51fa\u6570\u7ec4<\/p>\n
array_slice \u2014 \u4ece\u6570\u7ec4\u4e2d\u53d6\u51fa\u4e00\u6bb5<\/p>\n
array_splice \u2014 \u628a\u6570\u7ec4\u4e2d\u7684\u4e00\u90e8\u5206\u53bb\u6389\u5e76\u7528\u5176\u5b83\u503c\u53d6\u4ee3<\/p>\n
array_sum \u2014 \u8ba1\u7b97\u6570\u7ec4\u4e2d\u6240\u6709\u503c\u7684\u548c<\/p>\n
array_udiff_assoc \u2014 \u5e26\u7d22\u5f15\u68c0\u67e5\u8ba1\u7b97\u6570\u7ec4\u7684\u5dee\u96c6\uff0c\u7528\u56de\u8c03\u51fd\u6570\u6bd4\u8f83\u6570\u636e<\/p>\n
array_udiff_uassoc \u2014 \u5e26\u7d22\u5f15\u68c0\u67e5\u8ba1\u7b97\u6570\u7ec4\u7684\u5dee\u96c6\uff0c\u7528\u56de\u8c03\u51fd\u6570\u6bd4\u8f83\u6570\u636e\u548c\u7d22\u5f15<\/p>\n
array_udiff \u2014 \u7528\u56de\u8c03\u51fd\u6570\u6bd4\u8f83\u6570\u636e\u6765\u8ba1\u7b97\u6570\u7ec4\u7684\u5dee\u96c6<\/p>\n
array_uintersect_assoc \u2014 \u5e26\u7d22\u5f15\u68c0\u67e5\u8ba1\u7b97\u6570\u7ec4\u7684\u4ea4\u96c6\uff0c\u7528\u56de\u8c03\u51fd\u6570\u6bd4\u8f83\u6570\u636e<\/p>\n
array_uintersect_uassoc \u2014 \u5e26\u7d22\u5f15\u68c0\u67e5\u8ba1\u7b97\u6570\u7ec4\u7684\u4ea4\u96c6\uff0c\u7528\u56de\u8c03\u51fd\u6570\u6bd4\u8f83\u6570\u636e\u548c\u7d22\u5f15<\/p>\n
array_uintersect \u2014 \u8ba1\u7b97\u6570\u7ec4\u7684\u4ea4\u96c6\uff0c\u7528\u56de\u8c03\u51fd\u6570\u6bd4\u8f83\u6570\u636e<\/p>\n
array_unique \u2014 \u79fb\u9664\u6570\u7ec4\u4e2d\u91cd\u590d\u7684\u503c<\/p>\n
array_unshift \u2014 \u5728\u6570\u7ec4\u5f00\u5934\u63d2\u5165\u4e00\u4e2a\u6216\u591a\u4e2a\u5355\u5143<\/p>\n
array_values \u2014 \u8fd4\u56de\u6570\u7ec4\u4e2d\u6240\u6709\u7684\u503c<\/p>\n
array_walk_recursive \u2014 \u5bf9\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u6210\u5458\u9012\u5f52\u5730\u5e94\u7528\u7528\u6237\u51fd\u6570<\/p>\n
array_walk \u2014 \u5bf9\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u6210\u5458\u5e94\u7528\u7528\u6237\u51fd\u6570<\/p>\n
array \u2014 \u65b0\u5efa\u4e00\u4e2a\u6570\u7ec4<\/p>\n
arsort \u2014 \u5bf9\u6570\u7ec4\u8fdb\u884c\u9006\u5411\u6392\u5e8f\u5e76\u4fdd\u6301\u7d22\u5f15\u5173\u7cfb<\/p>\n
asort \u2014 \u5bf9\u6570\u7ec4\u8fdb\u884c\u6392\u5e8f\u5e76\u4fdd\u6301\u7d22\u5f15\u5173\u7cfb<\/p>\n
compact \u2014 \u5efa\u7acb\u4e00\u4e2a\u6570\u7ec4\uff0c\u5305\u62ec\u53d8\u91cf\u540d\u548c\u5b83\u4eec\u7684\u503c<\/p>\n
count \u2014 \u8ba1\u7b97\u6570\u7ec4\u4e2d\u7684\u5355\u5143\u6570\u76ee\u6216\u5bf9\u8c61\u4e2d\u7684\u5c5e\u6027\u4e2a\u6570<\/p>\n
current \u2014 \u8fd4\u56de\u6570\u7ec4\u4e2d\u7684\u5f53\u524d\u5355\u5143<\/p>\n
each \u2014 \u8fd4\u56de\u6570\u7ec4\u4e2d\u5f53\u524d\u7684\u952e\uff0f\u503c\u5bf9\u5e76\u5c06\u6570\u7ec4\u6307\u9488\u5411\u524d\u79fb\u52a8\u4e00\u6b65<\/p>\n
end \u2014 \u5c06\u6570\u7ec4\u7684\u5185\u90e8\u6307\u9488\u6307\u5411\u6700\u540e\u4e00\u4e2a\u5355\u5143<\/p>\n
extract \u2014 \u4ece\u6570\u7ec4\u4e2d\u5c06\u53d8\u91cf\u5bfc\u5165\u5230\u5f53\u524d\u7684\u7b26\u53f7\u8868<\/p>\n
in_array \u2014 \u68c0\u67e5\u6570\u7ec4\u4e2d\u662f\u5426\u5b58\u5728\u67d0\u4e2a\u503c<\/p>\n
key \u2014 \u4ece\u5173\u8054\u6570\u7ec4\u4e2d\u53d6\u5f97\u952e\u540d<\/p>\n
krsort \u2014 \u5bf9\u6570\u7ec4\u6309\u7167\u952e\u540d\u9006\u5411\u6392\u5e8f<\/p>\n
ksort \u2014 \u5bf9\u6570\u7ec4\u6309\u7167\u952e\u540d\u6392\u5e8f<\/p>\n
list \u2014 \u628a\u6570\u7ec4\u4e2d\u7684\u503c\u8d4b\u7ed9\u4e00\u4e9b\u53d8\u91cf<\/p>\n
natcasesort \u2014 \u7528\u201c\u81ea\u7136\u6392\u5e8f\u201d\u7b97\u6cd5\u5bf9\u6570\u7ec4\u8fdb\u884c\u4e0d\u533a\u5206\u5927\u5c0f\u5199\u5b57\u6bcd\u7684\u6392\u5e8f<\/p>\n
natsort \u2014 \u7528\u201c\u81ea\u7136\u6392\u5e8f\u201d\u7b97\u6cd5\u5bf9\u6570\u7ec4\u6392\u5e8f<\/p>\n
next \u2014 \u5c06\u6570\u7ec4\u4e2d\u7684\u5185\u90e8\u6307\u9488\u5411\u524d\u79fb\u52a8\u4e00\u4f4d<\/p>\n
pos \u2014 current() \u7684\u522b\u540d<\/p>\n
prev \u2014 \u5c06\u6570\u7ec4\u7684\u5185\u90e8\u6307\u9488\u5012\u56de\u4e00\u4f4d<\/p>\n
range \u2014 \u5efa\u7acb\u4e00\u4e2a\u5305\u542b\u6307\u5b9a\u8303\u56f4\u5355\u5143\u7684\u6570\u7ec4<\/p>\n
reset \u2014 \u5c06\u6570\u7ec4\u7684\u5185\u90e8\u6307\u9488\u6307\u5411\u7b2c\u4e00\u4e2a\u5355\u5143<\/p>\n
rsort \u2014 \u5bf9\u6570\u7ec4\u9006\u5411\u6392\u5e8f<\/p>\n
shuffle \u2014 \u5c06\u6570\u7ec4\u6253\u4e71<\/p>\n
sizeof \u2014 count() \u7684\u522b\u540d<\/p>\n
sort \u2014 \u5bf9\u6570\u7ec4\u6392\u5e8f<\/p>\n
uasort \u2014 \u4f7f\u7528\u7528\u6237\u81ea\u5b9a\u4e49\u7684\u6bd4\u8f83\u51fd\u6570\u5bf9\u6570\u7ec4\u4e2d\u7684\u503c\u8fdb\u884c\u6392\u5e8f\u5e76\u4fdd\u6301\u7d22\u5f15\u5173\u8054<\/p>\n
uksort \u2014 \u4f7f\u7528\u7528\u6237\u81ea\u5b9a\u4e49\u7684\u6bd4\u8f83\u51fd\u6570\u5bf9\u6570\u7ec4\u4e2d\u7684\u952e\u540d\u8fdb\u884c\u6392\u5e8f<\/p>\n
usort \u2014 \u4f7f\u7528\u7528\u6237\u81ea\u5b9a\u4e49\u7684\u6bd4\u8f83\u51fd\u6570\u5bf9\u6570\u7ec4\u4e2d\u7684\u503c\u8fdb\u884c\u6392\u5e8f<\/p>\n
\u4f7f\u7528\u6570\u7ec4<\/p>\n
\u5728\u524d\u9762\u7684\u7ae0\u8282\u4e2d\uff0c\u6211\u4eec\u6240\u4ecb\u7ecd\u7684\u53d8\u91cf\u90fd\u662f\u6807\u91cf\u53d8\u91cf\uff0c\u8fd9\u4e9b\u53d8\u91cf\u53ea\u80fd\u5b58\u50a8\u5355\u4e2a\u6570\u636e\u3002\u6570\u7ec4\u662f\u4e00\u4e2a\u53ef\u4ee5\u5b58\u50a8\u4e00\u7ec4\u6216\u4e00\u7cfb\u5217\u6570\u503c\u7684\u53d8\u91cf\u3002\u4e00\u4e2a\u6570\u7ec4\u53ef\u4ee5\u5177\u6709\u8bb8\u591a\u4e2a\u5143\u7d20\u3002\u6bcf\u4e2a\u5143\u7d20\u6709\u4e00\u4e2a\u503c\uff0c\u4f8b\u5982\u6587\u672c\u3001\u6570\u5b57\u6216\u53e6\u4e00\u4e2a\u6570\u7ec4\u3002\u4e00\u4e2a\u5305\u542b\u5176\u4ed6\u6570\u7ec4\u7684\u6570\u7ec4\u79f0\u4e3a\u591a\u7ef4\u6570\u7ec4\u3002<\/p>\n
<\/p>\n
3.1 \u4ec0\u4e48\u662f\u6570\u7ec4<\/p>\n
\u4e00\u4e2a\u6807\u91cf\u53d8\u91cf\u5c31\u662f\u4e00\u4e2a\u7528\u6765\u5b58\u50a8\u6570\u503c\u7684\u547d\u540d\u533a\u57df\u3002\u540c\u6837\uff0c\u4e00\u4e2a\u6570\u7ec4\u5c31\u662f\u4e00\u4e2a\u7528\u6765\u5b58\u50a8\u4e00\u7cfb\u5217\u53d8\u91cf\u503c\u7684\u547d\u540d\u533a\u57df\uff0c\u56e0\u6b64\uff0c\u53ef\u4ee5\u4f7f\u7528\u6570\u7ec4\u7ec4\u7ec7\u6807\u91cf\u53d8\u91cf\u3002<\/p>\n
\u5b58\u50a8\u5728\u6570\u7ec4\u4e2d\u7684\u503c\u79f0\u4e3a\u6570\u7ec4\u5143\u7d20\u3002\u6bcf\u4e2a\u6570\u7ec4\u5143\u7d20\u6709\u4e00\u4e2a\u76f8\u5173\u7684\u7d22\u5f15\uff08\u4e5f\u79f0\u4e3a\u5173\u952e\u5b57\uff09\uff0c\u5b83\u53ef\u4ee5\u7528\u6765\u8bbf\u95ee\u5143\u7d20\u3002\u5728\u5927\u591a\u6570\u7f16\u7a0b\u8bed\u8a00\u4e2d\uff0c\u6570\u7ec4\u90fd\u5177\u6709\u6570\u5b57\u7d22\u5f15\uff0c\u800c\u4e14\u8fd9\u4e9b\u7d22\u4e2a\u901a\u5e38\u662f\u4ece0\u62161\u5f00\u59cb\u7684\u3002<\/p>\n
<\/p>\n
3.2 \u6570\u5b57\u7d22\u5f15\u6570\u7ec4<\/p>\n
\u5728PHP\u4e2d\uff0c\u6570\u5b57\u7d22\u5f15\u7684\u9ed8\u8ba4\u503c\u662f\u4ece0\u5f00\u59cb\u7684\uff0c\u5f53\u7136\u4e5f\u53ef\u4ee5\u6539\u53d8\u5b83\u3002<\/p>\n
<\/p>\n
3.2.1 \u6570\u5b57\u7d22\u5f15\u6570\u7ec4\u7684\u521d\u59cb\u5316<\/p>\n
$porducts = array( ‘Tires’, ‘Oil’, ‘Spark Plugs’ );<\/p>\n
\u5c31\u50cfecho\u8bed\u53e5\u4e00\u6837\uff0carray()\u5b9e\u9645\u4e0a\u662f\u4e00\u4e2a\u8bed\u8a00\u7ed3\u6784\uff0c\u800c\u4e0d\u662f\u4e00\u4e2a\u51fd\u6570\u3002<\/p>\n
\u6839\u636e\u5bf9\u6570\u7ec4\u5185\u5bb9\u7684\u9700\u6c42\u4e0d\u540c\uff0c\u53ef\u80fd\u4e0d\u9700\u8981\u518d\u50cf\u4ee5\u4e0a\u4f8b\u5b50\u4e00\u6837\u5bf9\u5b83\u4eec\u8fdb\u884c\u624b\u5de5\u7684\u521d\u59cb\u5316\u64cd\u4f5c\u3002\u5982\u679c\u6240\u9700\u6570\u636e\u4fdd\u5b58\u5728\u53e6\u4e00\u4e2a\u6570\u7ec4\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u8fd0\u7b97\u7b26\u201c=\u201d\u7b80\u5355\u5730\u5c06\u6570\u7ec4\u590d\u5236\u5230\u53e6\u4e00\u4e2a\u6570\u7ec4\u3002<\/p>\n
\u5982\u679c\u9700\u8981\u5c06\u6309\u5347\u5e8f\u6392\u5217\u7684\u6570\u5b57\u4fdd\u5b58\u5728\u4e00\u4e2a\u6570\u7ec4\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528range()\u51fd\u6570\u81ea\u52a8\u521b\u5efa\u8fd9\u4e2a\u6570\u7ec4\u3002\u5982\u4e0b\u8fd9\u884c\u4ee3\u7801\u5c06\u521b\u5efa\u4e00\u4e2a\u4ece1\u523010\u7684\u6570\u5b57\u6570\u7ec4\uff1a$numbers = range(1,10);<\/p>\n
range()\u51fd\u6570\u5177\u6709\u4e00\u4e2a\u53ef\u9009\u7684\u7b2c\u4e09\u4e2a\u53c2\u6570\uff0c\u8fd9\u4e2a\u53c2\u6570\u5141\u8bb8\u8bbe\u5b9a\u503c\u4e4b\u95f4\u7684\u6b65\u9aa4\u3002\u4f8b\u5982\uff0c\u5982\u9700\u5efa\u7acb\u4e00\u4e2a1\u523010\u4e4b\u95f4\u7684\u5947\u6570\u6570\u7ec4\uff0c\u53ef\u4ee5\u4f7f\u7528\u5982\u4e0b\u4ee3\u7801\uff1a$odds = range(1,10,2);<\/p>\n
range()\u51fd\u6570\u4e5f\u53ef\u4ee5\u5bf9\u5b57\u7b26\u8fdb\u884c\u64cd\u4f5c\uff0c\u5982\uff1a$letters = range(‘a’, ‘z’);<\/p>\n
<\/p>\n
3.2.2 \u8bbf\u95ee\u6570\u7ec4\u7684\u5185\u5bb9<\/p>\n
\u8981\u8bbf\u95ee\u4e00\u4e2a\u53d8\u91cf\u7684\u5185\u5bb9\uff0c\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528\u5176\u540d\u79f0\u3002\u5982\u679c\u8be5\u53d8\u91cf\u662f\u4e00\u4e2a\u6570\u7ec4\uff0c\u53ef\u4ee5\u4f7f\u7528\u53d8\u91cf\u540d\u79f0\u548c\u5173\u952e\u5b57\u6216\u7d22\u5f15\u7684\u7ec4\u5408\u6765\u8bbf\u95ee\u5176\u5185\u5bb9\u3002\u5173\u952e\u5b57\u6216\u7d22\u5f15\u5c06\u6307\u5b9a\u6211\u4eec\u8981\u8bbf\u95ee\u7684\u53d8\u91cf\u3002\u7d22\u5f15\u5728\u53d8\u91cf\u540d\u79f0\u540e\u9762\u7528\u65b9\u62ec\u53f7\u62ec\u8d77\u6765\u3002<\/p>\n
\u5728\u9ed8\u8ba4\u7684\u60c5\u51b5\u4e0b\uff0c0\u5143\u7d20\u662f\u6570\u7ec4\u7684\u7b2c\u4e00\u4e2a\u5143\u7d20\u3002<\/p>\n
\u8bf7\u6ce8\u610f\uff0c\u867d\u7136PHP\u7684\u5b57\u7b26\u4e32\u89e3\u6790\u529f\u80fd\u975e\u5e38\u5f3a\u5927\u548c\u667a\u80fd\uff0c\u4f46\u662f\u53ef\u80fd\u4f1a\u5f15\u8d77\u6df7\u6dc6\u3002\u5f53\u4f60\u5c06\u6570\u7ec4\u6216\u5176\u4ed6\u53d8\u91cf\u5d4c\u5165\u53cc\u5f15\u53f7\u4e2d\u7684\u5b57\u7b26\u4e32\u65f6\uff0c\u5982\u679c\u4e0d\u80fd\u6b63\u786e\u89e3\u91ca\u5b83\u4eec\uff0c\u53ef\u4ee5\u5c06\u5b83\u4eec\u653e\u7f6e\u5728\u53cc\u5f15\u53f7\u4e4b\u5916\uff0c\u6216\u8005\u67e5\u627e\u7b2c4\u7ae0\u7684\u201c\u5b57\u7b26\u4e32\u64cd\u4f5c\u4e0e\u6b63\u5219\u8868\u8fbe\u5f0f\u201d\u83b7\u5f97\u66f4\u590d\u6742\u7684\u8bed\u6cd5\u3002<\/p>\n
\u5c31\u50cfPHP\u7684\u5176\u4ed6\u53d8\u91cf\u4e00\u6837\uff0c\u6570\u7ec4\u4e0d\u9700\u8981\u9884\u5148\u521d\u59cb\u5316\u6216\u521b\u5efa\u3002\u5728\u7b2c\u4e00\u6b21\u4f7f\u7528\u5b83\u4eec\u7684\u65f6\u5019\uff0c\u5b83\u4eec\u4f1a\u81ea\u52a8\u521b\u5efa\u3002<\/p>\n
<\/p>\n
3.2.3. \u4f7f\u7528\u5faa\u73af\u8bbf\u95ee\u6570\u7ec4<\/p>\n
\u7531\u4e8e\u6570\u7ec4\u4f7f\u7528\u6709\u5e8f\u7684\u6570\u5b57\u4f5c\u4e3a\u7d22\u5f15\uff0c\u6240\u4ee5\u4f7f\u7528\u4e00\u4e2afor\u5faa\u73af\u5c31\u53ef\u4ee5\u5f88\u5bb9\u6613\u5730\u663e\u793a\u6570\u7ec4\u7684\u5185\u5bb9\u3002<\/p>\n
for ($i=0; $i<3; $i++)<\/p>\n
echo “$products[$i]”;<\/p>\n
\u4f7f\u7528\u4e00\u4e2a\u7b80\u5355\u7684\u5faa\u73af\u5c31\u53ef\u4ee5\u8bbf\u95ee\u6bcf\u4e2a\u5143\u7d20\u662f\u6570\u5b57\u7d22\u5f15\u6570\u7ec4\u7684\u4e00\u4e2a\u975e\u5e38\u597d\u7684\u7279\u6027\u3002\u4e5f\u53ef\u4ee5\u4f7f\u7528foreach\u5faa\u73af\uff0c\u8fd9\u4e2a\u5faa\u73af\u8bed\u53e5\u662f\u4e13\u95e8\u4e3a\u6570\u7ec4\u800c\u8bbe\u8ba1\u7684\u3002\u5982\uff1a<\/p>\n
foreach ($products as $current)<\/p>\n
echo $current. ‘ ‘;<\/p>\n
<\/p>\n
3.3 \u4f7f\u7528\u4e0d\u540c\u7d22\u5f15\u7684\u6570\u7ec4<\/p>\n
PHP\u8fd8\u652f\u6301\u76f8\u5173\u6570\u7ec4\u3002\u5728\u76f8\u5173\u6570\u7ec4\u4e2d\uff0c\u53ef\u4ee5\u5c06\u6bcf\u4e2a\u53d8\u91cf\u503c\u4e0e\u4efb\u4f55\u5173\u952e\u5b57\u6216\u7d22\u5f15\u5173\u8054\u8d77\u6765\u3002<\/p>\n
<\/p>\n
3.3.1 \u521d\u59cb\u5316\u76f8\u5173\u6570\u7ec4<\/p>\n
\u5982\u4e0b\u6240\u793a\u7684\u4ee3\u7801\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2a\u4ee5\u4ea7\u54c1\u540d\u79f0\u4f5c\u4e3a\u5173\u952e\u5b57\u3001\u4ee5\u4ef7\u683c\u4f5c\u4e3a\u503c\u7684\u76f8\u5173\u6570\u7ec4\uff1a<\/p>\n
$prices = array( ‘Tires’=>100, ‘Oil’=>10, ‘Spark Plugs’=>4 );<\/p>\n
\u5173\u952e\u5b57\u548c\u503c\u4e4b\u95f4\u7684\u7b26\u53f7\u53ea\u662f\u4e00\u4e2a\u5927\u4e8e\u53f7\u4e0e\u7b49\u4e8e\u7b26\u53f7\u3002<\/p>\n
<\/p>\n
3.3.2 \u8bbf\u95ee\u6570\u7ec4\u5143\u7d20<\/p>\n
\u540c\u6837\uff0c\u53ef\u4ee5\u4f7f\u7528\u53d8\u91cf\u540d\u79f0\u548c\u5173\u952e\u5b57\u6765\u8bbf\u95ee\u6570\u7ec4\u7684\u5185\u5bb9\u3002\u4f8b\u5982$prices[‘Tires’]\u3002<\/p>\n
<\/p>\n
3.3.3 \u4f7f\u7528\u5faa\u73af\u8bed\u53e5<\/p>\n
\u56e0\u4e3a\u76f8\u5173\u6570\u7ec4\u7684\u7d22\u5f15\u4e0d\u662f\u6570\u5b57\uff0c\u56e0\u6b64\u65e0\u6cd5\u5728for\u5faa\u73af\u8bed\u53e5\u4e2d\u4f7f\u7528\u4e00\u4e2a\u7b80\u5355\u7684\u8ba1\u6570\u5668\u5bf9\u6570\u7ec4\u8fdb\u884c\u64cd\u4f5c\u3002\u4f46\u662f\u53ef\u4ee5\u4f7f\u7528foreach\u5faa\u73af\u6216list()\u548ceach()\u7ed3\u6784\u3002<\/p>\n
\u5f53\u4f7f\u7528foreach\u5faa\u73af\u8bed\u53e5\u5bf9\u76f8\u5173\u6570\u7ec4\u8fdb\u884c\u64cd\u4f5c\u65f6\uff0cforeach()\u5faa\u73af\u5177\u6709\u4e0d\u540c\u7684\u7ed3\u6784\u3002\u53ef\u4ee5\u6309\u5982\u4e0b\u65b9\u5f0f\u4f7f\u7528\u5173\u952e\u5b57\uff1a<\/p>\n
foreach ($prices as $key => $value)<\/p>\n
echo $key.’=>’.$value.'<br \/>’;<\/p>\n
\u5982\u4e0b\u6240\u793a\u7684\u4ee3\u7801\u5c06\u4f7f\u7528each()\u7ed3\u6784\u6253\u5370$prices\u6570\u7ec4\u7684\u5185\u5bb9\uff1a<\/p>\n
while( $element = each($prices))<\/p>\n
{<\/p>\n
echo $element[‘key’];<\/p>\n
echo ‘ – ‘;<\/p>\n
echo $element[‘value’];<\/p>\n
echo ‘<br \/>’;<\/p>\n
}<\/p>\n
each()\u51fd\u6570\u5c06\u8fd4\u56de\u6570\u7ec4\u7684\u5f53\u524d\u5143\u7d20\uff0c\u5e76\u5c06\u4e0b\u4e00\u4e2a\u5143\u7d20\u4f5c\u4e3a\u5f53\u524d\u5143\u7d20\u3002\u56e0\u4e3a\u5728while\u5faa\u73af\u4e2d\u8c03\u7528each()\u51fd\u6570\uff0c\u5b83\u5c06\u6309\u987a\u5e8f\u8fd4\u56de\u6570\u7ec4\u4e2d\u6bcf\u4e2a\u5143\u7d20\uff0c\u5e76\u4e14\u5f53\u5b83\u5230\u8fbe\u6570\u7ec4\u672b\u5c3e\u65f6\uff0c\u5faa\u73af\u64cd\u4f5c\u5c06\u7ec8\u6b62\u3002<\/p>\n
\u5728 \u8fd9\u6bb5\u4ee3\u7801\u4e2d\uff0c\u53d8\u91cf$element\u662f\u4e00\u4e2a\u6570\u7ec4\u3002\u5f53\u8c03\u7528each()\u65f6\uff0c\u5b83\u5c06\u8fd4\u56de\u4e00\u4e2a\u5e26\u67094\u4e2a\u6570\u503c\u548c4\u4e2a\u6307\u5411\u6570\u7ec4\u4f4d\u7f6e\u7684\u7d22\u5f15\u7684\u6570\u7ec4\u3002\u4f4d\u7f6ekey\u548c0\u5305\u542b\u4e86\u5f53 \u524d\u5143\u7d20\u7684\u5173\u952e\u5b57\uff0c\u800c\u4f4d\u7f6evalue\u548c1\u5305\u542b\u4e86\u5f53\u524d\u5143\u7d20\u7684\u503c\u3002\u867d\u7136\u8fd9\u4e0e\u9009\u54ea\u4e00\u79cd\u65b9\u6cd5\u6ca1\u4ec0\u4e48\u4e0d\u540c\uff0c\u4f46\u6211\u4eec\u9009\u62e9\u4e86\u4f7f\u7528\u547d\u540d\u4f4d\u7f6e\uff0c\u800c\u4e0d\u662f\u6570\u5b57\u7d22\u5f15\u4f4d\u7f6e\u3002<\/p>\n
\u6b64\u5916\uff0c\u8fd8\u6709\u4e00\u79cd\u66f4\u4e3a\u9ad8\u7ea7\u548c\u5e38\u89c1\u7684\u65b9\u5f0f\u6765\u5b8c\u6210\u76f8\u540c\u7684\u64cd\u4f5c\u3002\u51fd\u6570list()\u53ef\u4ee5\u7528\u6765\u5c06\u4e00\u4e2a\u6570\u7ec4\u5206\u89e3\u4e3a\u4e00\u7cfb\u5217\u7684\u503c\u3002\u53ef\u4ee5\u6309\u7167\u5982\u4e0b\u65b9\u5f0f\u5c06\u51fd\u6570each()\u8fd4\u56de\u7684\u4e24\u4e2a\u503c\u5206\u5f00\uff1alist( $product, $price) = each( $price);<\/p>\n
\u4ee5\u4e0a\u4ee3\u7801\u4f7f\u7528each()\u4ece$prices\u6570\u7ec4\u4e2d\u53d6\u51fa\u5f53\u524d\u5143\u7d20\uff0c\u5e76\u4e14\u5c06\u5b83\u4f5c\u4e3a\u6570\u7ec4\u8fd4\u56de\uff0c\u7136\u540e\u518d\u6307\u5411\u4e0b\u4e00\u4e2a\u5143\u7d20\u3002\u5b83\u8fd8\u4f7f\u7528list()\u5c06\u4eceeach()\u8fd4\u56de\u7684\u6570\u7ec4\u4e2d\u6240\u5305\u542b0\u30011\u4e24\u4e2a\u5143\u7d20\u53d8\u4e3a\u4e24\u4e2a\u540d\u4e3a$product\u548c$price\u7684\u65b0\u86ee\u91cf\u3002<\/p>\n
\u6211\u4eec\u53ef\u4ee5\u5faa\u73af\u904d\u5386\u6574\u4e2a$prices\u6570\u7ec4\uff0c\u4f7f\u7528\u5982\u4e0b\u6240\u793a\u7684\u7b80\u77ed\u811a\u672c\u663e\u793a\u5b83\u7684\u5185\u5bb9\uff1a<\/p>\n
while(list($prodct, $pirce) = each($prices))<\/p>\n
echo “$product – $price<br \/>”;<\/p>\n
\u8fd9\u6bb5\u4ee3\u7801\u7684\u8f93\u51fa\u7ed3\u679c\u4e0e\u524d\u9762\u811a\u672c\u7684\u8f93\u51fa\u7ed3\u679c\u76f8\u540c\uff0c\u4f46\u5b83\u66f4\u5bb9\u6613\u9605\u8bfb\uff0c\u56e0\u4e3alist()\u5141\u8bb8\u4e3a\u65b0\u53d8\u91cf\u547d\u540d\u3002<\/p>\n
\u9700\u8981\u6ce8\u610f\u7684\u4e00\u70b9\u662f\uff0c\u5f53\u4f7f\u7528each()\u51fd\u6570\u65f6\uff0c\u6570\u7ec4\u5c06\u8bb0\u5f55\u5f53\u524d\u5143\u7d20\u3002\u5982\u679c\u5e0c\u671b\u5728\u76f8\u540c\u7684\u811a\u672c\u4e2d\u4e24\u6b21\u4f7f\u7528\u8be5\u6570\u7ec4\uff0c\u5c31\u5fc5\u987b\u4f7f\u7528\u51fd\u6570reset()\u5c06\u5f53\u524d\u5143\u7d20\u91cd\u65b0\u8bbe\u7f6e\u5230\u6570\u7ec4\u5f00\u59cb\u5904\u3002\u8981\u518d\u6b21\u904d\u5386prices\u6570\u7ec4\uff0c\u53ef\u4ee5\u4f7f\u7528\u5982\u4e0b\u6240\u793a\u7684\u4ee3\u7801\uff1a<\/p>\n
reset($prices);<\/p>\n
while(list($product, $price) = each($prices))<\/p>\n
echo “$product – $price<br \/>”;<\/p>\n
<\/p>\n
3.4 \u6570\u7ec4\u64cd\u4f5c\u7b26<\/p>\n
+\u8054\u5408\uff0c==\u7b49\u4ef7\uff0c===\u6052\u7b49\uff0c!=\u4e0d\u7b49\u4ef7\uff0c<>\u4e0d\u7b49\u4ef7\uff0c!==\u4e0d\u6052\u7b49\u3002<\/p>\n
\u8054\u5408\u64cd\u4f5c\u7b26\u5c1d\u8bd5\u5c06$b\u4e2d\u7684\u5143\u7d20\u6dfb\u52a0\u5230$a\u7684\u672b\u5c3e\u3002\u5982\u679c$b\u4e2d\u7684\u5143\u7d20\u4e0e$a\u4e2d\u7684\u4e00\u4e9b\u5143\u7d20\u5177\u6709\u76f8\u540c\u7684\u7d22\u5f15\uff0c\u5b83\u4eec\u5c06\u4e0d\u4f1a\u88ab\u6dfb\u52a0\u3002\u5373$a\u4e2d\u7684\u5143\u7d20\u5c06\u4e0d\u4f1a\u88ab\u8986\u76d6\u3002<\/p>\n
<\/p>\n
3.5 \u591a\u7ef4\u6570\u7ec4<\/p>\n
\u6570\u7ec4\u4e0d\u4e00\u5b9a\u5c31\u662f\u4e00\u4e2a\u5173\u952e\u5b57\u548c\u503c\u7684\u7b80\u5355\u5217\u8868\u2014\u2014\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u4f4d\u7f6e\u8fd8\u53ef\u4ee5\u4fdd\u5b58\u53e6\u4e00\u4e2a\u6570\u7ec4\u3002\u4f7f\u7528\u8fd9\u79cd\u65b9\u6cd5\uff0c\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2a\u4e8c\u7ef4\u6570\u7ec4\u3002\u53ef\u4ee5\u628a\u4e8c\u7ef4\u6570\u7ec4\u5f53\u6210\u4e00\u4e2a\u77e9\u9635\uff0c\u6216\u8005\u662f\u4e00\u4e2a\u5177\u6709\u5bbd\u5ea6\u548c\u9ad8\u5ea6\u6216\u8005\u884c\u548c\u5217\u7684\u7f51\u7edc\u3002<\/p>\n
<\/p>\n
3.6 \u6570\u7ec4\u6392\u5e8f<\/p>\n
<\/p>\n
3.6.1 \u4f7f\u7528sort()\u51fd\u6570<\/p>\n
sort()\u51fd\u6570\u662f\u533a\u5206\u5b57\u6bcd\u5927\u5c0f\u5199\u7684\u3002\u6240\u6709\u7684\u5927\u5bb6\u5b57\u6bcd\u90fd\u5728\u5c0f\u5199\u5b57\u6bcd\u7684\u524d\u9762\u3002\u6240\u4ee5\u2018A\u2019\u5c0f\u4e8e\u2018Z\u2019\uff0c\u800c’Z’\u5c0f\u4e8e\u2018a\u2019\u3002<\/p>\n
\u8be5 \u51fd\u6570\u7684\u7b2c\u4e8c\u4e2a\u53c2\u6570\u662f\u53ef\u9009\u7684\u3002\u8fd9\u4e2a\u53ef\u9009\u53c2\u6570\u53ef\u4ee5\u4f20\u9012SORT_REGULAR\uff08\u9ed8\u8ba4\u503c\uff09\u3001SORT_NUMERIC\u6216SORT_STRING\u3002\u6307\u5b9a\u6392\u5e8f\u7c7b\u578b \u7684\u529f\u80fd\u662f\u975e\u5e38\u6709\u7528\u7684\uff0c\u4f8b\u5982\uff0c\u5f53\u8981\u6bd4\u8f83\u53ef\u80fd\u5305\u542b\u6709\u6570\u5b572\u548c12\u7684\u5b57\u7b26\u4e32\u65f6\u3002\u4ece\u6570\u5b66\u89d2\u5ea6\u770b\uff0c2\u8981\u5c0f\u4e8e12\uff0c\u4f46\u662f\u4f5c\u4e3a\u5b57\u7b26\u4e32\uff0c\u201812\u2019\u5374\u8981\u5c0f\u4e8e\u20182\u2019\u3002<\/p>\n
<\/p>\n
3.6.2 \u4f7f\u7528asort()\u51fd\u6570\u548cksort()\u51fd\u6570\u5bf9\u76f8\u5173\u6570\u7ec4\u6392\u5e8f<\/p>\n
\u51fd\u6570asort()\u6839\u636e\u6570\u7ec4\u7684\u6bcf\u4e2a\u5143\u7d20\u503c\u8fdb\u884c\u6392\u5e8f\u3002ksort()\u51fd\u6570\u662f\u6309\u5173\u952e\u5b57\u6392\u5e8f\u800c\u4e0d\u662f\u6309\u503c\u6392\u5e8f\u3002<\/p>\n
<\/p>\n
3.6.3 \u53cd\u5411\u6392\u5e8f<\/p>\n
\u51fd\u6570rsort()\u5c06\u4e00\u4e2a\u4e00\u7ef4\u6570\u5b57\u7d22\u5f15\u6570\u7ec4\u6309\u964d\u5e8f\u6392\u5e8f\u3002\u51fd\u6570arsort()\u5c06\u4e00\u4e2a\u4e00\u7ef4\u76f8\u5173\u6570\u7ec4\u6309\u6bcf\u4e2a\u5143\u7d20\u503c\u7684\u964d\u5e8f\u6392\u5e8f\u3002\u51fd\u6570krsort()\u9488\u6839\u636e\u6570\u7ec4\u5143\u7d20\u7684\u5173\u952e\u5b57\u5c06\u4e00\u7ef4\u6570\u7ec4\u6309\u7167\u964d\u5e8f\u6392\u5e8f\u3002<\/p>\n
\u4e3a\u4e86\u8bbf\u95ee\u4e00\u4e2a\u4e00\u7ef4\u6570\u7ec4\u4e2d\u7684\u6570\u636e\uff0c\u9700\u8981\u4f7f\u7528\u6570\u7ec4\u7684\u540d\u79f0\u548c\u5143\u7d20\u7684\u7d22\u5f15\uff0c\u9664\u4e86\u4e00\u4e2a\u5143\u7d20\u5177\u6709\u4e24\u4e2a\u7d22\u5f15\u2014\u2014\u884c\u548c\u5217\u5916\uff0c\u4e8c\u7ef4\u6570\u7ec4\u548c\u4e00\u7ef4\u6570\u7ec4\u662f\u7c7b\u4f3c\u7684\u3002<\/p>\n
\u53ef\u4ee5\u4f7f\u7528\u53cc\u91cdfor\u5faa\u73af\u6765\u5b9e\u73b0\u540c\u6837\u7684\u6548\u679c\uff1a<\/p>\n
for ( $row=0; $row<3; $row++ )<\/p>\n
{<\/p>\n
for ( $column=0; $column<3; $column++ )<\/p>\n
{<\/p>\n
echo ‘|’.$products[$row][$column];<\/p>\n
|<\/p>\n
echo ‘|<br \/>’;<\/p>\n
}<\/p>\n
\u5982\u679c\u5bf9\u4e00\u4e2a\u5927\u6570\u7ec4\u4f7f\u7528\u8fd9\u79cd\u4ee3\u7801\uff0c\u90a3\u4e48\u5c06\u7b80\u6d01\u5f97\u591a\u3002<\/p>\n
\u4f60\u53ef\u80fd\u66f4\u559c\u6b22\u521b\u5efa\u5217\u540d\u79f0\u6765\u4ee3\u66ff\u6570\u5b57\u3002\u53ef\u4ee5\u4f7f\u7528\u5982\u4e0b\u4ee3\u7801\uff1a<\/p>\n
$products = array ( array ( ‘Code’=>’TIR’, ‘Descr\u012bption’=>’Tires’, ‘Price’=>100 ), array ( ‘Code’=>’OIL’, ‘Descr\u012bption’=>’Oil’, ‘Price’=>10 ), array ( ‘Code’=>’SPK’, ‘Descr\u012bption’=>’Spark Plugs’, ‘Price’=>4 ) };<\/p>\n
\u5982\u679c\u5e0c\u671b\u68c0\u7d22\u5355\u4e2a\u503c\uff0c\u90a3\u4e48\u4f7f\u7528\u8fd9\u4e2a\u6570\u7ec4\u4f1a\u5bb9\u6613\u5f97\u591a\u3002\u8bf7\u8bb0\u4f4f\uff0c\u5c06\u6240\u63cf\u8ff0\u7684\u5185\u5bb9\u4fdd\u5b58\u5230\u7528\u5b83\u7684\u540d \u79f0\u547d\u540d\u7684\u5217\u4e2d\uff0c\u4e0e\u5c06\u5176\u4fdd\u5b58\u5230\u6240\u8c13\u7684\u7b2c\u4e00\u5217\u4e2d\u76f8\u6bd4\uff0c\u524d\u8005\u66f4\u5bb9\u6613\u8bb0\u5fc6\u3002\u4f7f\u7528\u63cf\u8ff0\u6027\u7d22\u5f15\uff0c\u4e0d\u9700\u8981\u8bb0\u4f4f\u67d0\u4e2a\u5143\u7d20\u662f\u5b58\u653e\u5728[x][y]\u4f4d\u7f6e\u7684\u3002\u4f7f\u7528\u4e00\u5bf9\u6709\u610f\u4e49\u7684\u884c\u548c \u5217\u7684\u540d\u79f0\u4f5c\u4e3a\u7d22\u5f15\u53ef\u4ee5\u4f7f\u7528\u4f60\u5f88\u5bb9\u6613\u627e\u5230\u6240\u9700\u7684\u6570\u636e\u3002<\/p>\n
\u7136\u540e\uff0c\u6211\u4eec\u5374\u4e0d\u80fd\u4f7f\u7528\u4e00\u4e2a\u7b80\u5355\u7684for\u5faa\u73af\u6309\u987a\u5e8f\u904d\u5386\u6bcf\u4e00\u5217\u3002\u53ef\u4ee5\u4f7f\u7528for\u5faa\u73af\u904d\u5386\u5916\u90e8\u7684\u6570 \u5b57\u7d22\u5f15\u6570\u7ec4$products\u3002$products\u6570\u7ec4\u7684\u6bcf\u4e00\u884c\u90fd\u662f\u4e00\u4e2a\u5177\u6709\u63cf\u8ff0\u6027\u7d22\u5f15\u7684\u6570\u7ec4\u3002\u5728while\u5faa\u73af\u4e2d\u4f7f\u7528each()\u548clist()\u51fd\u6570\uff0c \u53ef\u4ee5\u904d\u5386\u6574\u4e2a\u5185\u90e8\u6570\u7ec4\u3002\u56e0\u6b64\uff0c\u9700\u8981\u4e00\u4e2a\u5185\u5d4c\u6709while\u5faa\u73af\u7684for\u5faa\u73af\u3002<\/p>\n
for ( $row = 0; $row < 3; $row++ }<\/p>\n
{<\/p>\n
while ( list ( $key, $value ) = each ( $products[$row] ) )<\/p>\n
{<\/p>\n
echo “|$value”;<\/p>\n
}<\/p>\n
echo ‘|<br \/>’;<\/p>\n
}<\/p>\n
\u4e09\u7ef4\u6570\u7ec4\u5177\u6709\u9ad8\u3001\u5bbd\u3001\u6df1\u7684\u6982\u5ff5\u3002\u5982\u679c\u80fd\u8f7b\u677e\u5730\u5c06\u4e00\u4e2a\u4e8c\u7ef4\u6570\u7ec4\u60f3\u50cf\u6210\u4e00\u4e2a\u6709\u884c\u548c\u5217\u7684\u8868\u683c\uff0c\u90a3\u4e48\u5c31\u53ef\u4ee5\u5c06\u4e09\u7ef4\u6570\u7ec4\u60f3\u50cf\u6210\u4e00\u5806\u50cf\u8fd9\u6837\u7684\u8868\u683c\u3002\u6bcf\u4e2a\u5143\u7d20\u53ef\u4ee5\u901a\u8fc7\u5c42\u3001\u884c\u548c\u5217\u8fdb\u884c\u5f15\u7528\u3002<\/p>\n
\u6839\u636e\u521b\u5efa\u591a\u7ef4\u6570\u7ec4\u7684\u65b9\u6cd5\uff0c\u53ef\u4ee5\u521b\u5efa\u56db\u7ef4\u3001\u4e94\u7ef4\u6216\u516d\u7ef4\u6570\u7ec4\u3002\u5728PHP\u4e2d\uff0c\u5e76\u6ca1\u6709\u8bbe\u7f6e\u6570\u7ec4\u7ef4\u6570\u7684\u9650\u5236\uff0c\u4f46\u4eba\u4eec\u5f88\u96be\u8bbe\u60f3\u4e00\u4e2a\u591a\u4e8e\u4e09\u7ef4\u7684\u6570\u7ec4\u3002\u5927\u591a\u6570\u7684\u5b9e\u9645\u95ee\u9898\u5728\u903b\u8f91\u4e0a\u53ea\u9700\u8981\u4f7f\u7528\u4e09\u7ef4\u6216\u8005\u66f4\u5c11\u7ef4\u7684\u6570\u7ec4\u7ed3\u6784\u5c31\u53ef\u4ee5\u4e86\u3002<\/p>\n
<\/p>\n
3.7 \u591a\u7ef4\u6570\u7ec4\u7684\u6392\u5e8f<\/p>\n
\u5bf9 \u591a\u4e8e\u4e00\u7ef4\u7684\u6570\u7ec4\u8fdb\u884c\u6392\u5e8f\uff0c\u6216\u8005\u4e0d\u6309\u5b57\u6bcd\u548c\u6570\u5b57\u7684\u987a\u5e8f\u8fdb\u884c\u6392\uff0c\u8981\u590d\u6742\u5f97\u591a\u3002PHP\u77e5\u9053\u5982\u4f55\u6bd4\u8f83\u4e24\u4e2a\u6570\u5b57\u6216\u5b57\u7b26\u4e32\uff0c\u4f46\u5728\u591a\u7ef4\u6570\u7ec4\u4e2d\uff0c\u6bcf\u4e2a\u5143\u7d20\u90fd\u662f\u4e00\u4e2a\u6570\u7ec4\u3002 PHP\u4e0d\u77e5\u9053\u5982\u4f55\u6bd4\u8f83\u4e24\u4e2a\u6570\u7ec4\uff0c\u6240\u4ee5\u9700\u8981\u5efa\u7acb\u4e00\u4e2a\u6bd4\u8f83\u5b83\u4eec\u7684\u65b9\u6cd5\u3002\u5728\u5927\u591a\u6570\u60c5\u51b5\u4e0b\uff0c\u5355\u8bcd\u548c\u6570\u5b57\u7684\u987a\u5e8f\u662f\u663e\u800c\u6613\u89c1\u7684\u2014\u2014\u4f46\u5bf9\u4e8e\u590d\u6742\u7684\u5bf9\u8c61\uff0c\u95ee\u9898\u5c31\u4f1a\u591a\u4e00\u4e9b\u3002<\/p>\n
<\/p>\n
3.7.1 \u7528\u6237\u5b9a\u4e49\u6392\u5e8f<\/p>\n
usort()\u4e2d\u7684\u201cu\u201d\u4ee3\u8868\u201cuser\u201d\uff0c\u56e0\u4e3a\u8fd9\u4e2a\u51fd\u6570\u8981\u6c42\u4f20\u5165\u7528\u6237\u5b9a\u4e49\u7684\u6bd4\u8f83\u51fd\u6570\u3002asort\u548cksort\u5bf9\u5e94\u7684\u7248\u672cuasort()\u548cuksort()\u4e5f\u8981\u6c42\u4f20\u5165\u7528\u6237\u5b9a\u4e49\u7684\u6bd4\u8f83\u51fd\u6570\u3002<\/p>\n
\u7c7b\u4f3c\u4e8easort()\uff0c\u5f53\u5bf9\u975e\u6570\u5b57\u7d22\u5f15\u6570\u7ec4\u7684\u503c\u8fdb\u884c\u6392\u5e8f\u65f6\uff0cuasort()\u624d\u4f1a\u88ab\u4f7f\u7528\u3002\u5982\u679c\u503c\u662f\u7b80\u5355\u7684\u6570\u5b57\u6216\u6587\u672c\u5219\u53ef\u4ee5\u4f7f\u7528asort\u3002\u5982\u679c\u8981\u6bd4\u8f83\u7684\u503c\u50cf\u6570\u7ec4\u4e00\u6837\u590d\u6742\uff0c\u53ef\u4ee5\u5b9a\u4e49\u4e00\u4e2a\u6bd4\u8f83\u51fd\u6570\uff0c\u7136\u540e\u4f7f\u7528uasort()\u3002<\/p>\n
\u7c7b\u4f3c\u4e8eksort()\uff0c\u5f53\u5bf9\u975e\u6570\u5b57\u7d22\u5f15\u6570\u7ec4\u7684\u5173\u952e\u5b57\u8fdb\u884c\u6392\u5e8f\u65f6\u624d\u4f7f\u7528uksort()\u3002\u5982\u679c\u503c\u662f\u7b80\u5355\u7684\u6570\u5b57\u6216\u6587\u672c\u5c31\u4f7f\u7528ksort\u3002\u5982\u679c\u8981\u6bd4\u8f83\u7684\u5bf9\u8c61\u50cf\u6570\u7ec4\u4e00\u6837\u590d\u6742\uff0c\u53ef\u4ee5\u5b9a\u4e49\u4e00\u4e2a\u6bd4\u8f83\u51fd\u6570\uff0c\u7136\u540e\u4f7f\u7528uksort()\u3002<\/p>\n
<\/p>\n
3.7.2 \u53cd\u5411\u7528\u6237\u6392\u5e8f<\/p>\n
\u51fd\u6570sort()\u3001asort()\u548cksort()\u90fd\u5206\u522b\u5bf9\u5e94\u4e00\u4e2a\u5e26\u5b57\u6bcd\u201cr\u201d\u7684\u53cd\u5411\u6392\u5e8f\u51fd\u6570\u3002\u7528\u6237\u5b9a\u4e49\u7684\u6392\u5e8f\u6ca1\u6709\u53cd\u5411\u53d8\u4f53\uff0c\u4f46\u53ef\u4ee5\u5bf9\u4e00\u4e2a\u591a\u7ef4\u6570\u7ec4\u8fdb\u884c\u53cd\u5411\u6392\u5e8f\u3002<\/p>\n
<\/p>\n
3.8 \u5bf9\u6570\u7ec4\u8fdb\u884c\u91cd\u65b0\u6392\u5e8f<\/p>\n
<\/p>\n
3.8.1 \u4f7f\u7528shuffle()\u51fd\u6570<\/p>\n
\u5728PHP\u7684\u65e9\u671f\u7248\u672c\u4e2d\uff0cshuffle()\u8981\u6c42\u8c03\u7528srand()\u51fd\u6570\u65f6\u9996\u5148\u63d0\u4f9b\u4e00\u4e2a\u968f\u673a\u6570\u751f\u6210\u5668\u3002\u5982\u4eca\uff0c\u8fd9\u4e2a\u6b65\u9aa4\u5df2\u7ecf\u4e0d\u518d\u9700\u8981\u4e86\u3002<\/p>\n
\u5982\u679c\u8fd9\u4e2a\u51fd\u6570\u5bf9\u4f60\u975e\u5e38\u91cd\u8981\uff0c\u53ef\u4ee5\u5728\u7a0b\u5e8f\u4e2d\u5e94\u7528\u8be5\u51fd\u6570\u4e4b\u524d\u5728\u670d\u52a1\u5668\u4e0a\u6d4b\u8bd5\u5b83\u3002<\/p>\n
\u7531\u4e8e\u5e76\u4e0d\u9700\u8981\u771f\u6b63\u91cd\u65b0\u6392\u5e8f\u6574\u4e2a\u6570\u7ec4\uff0c\u4f7f\u7528array_rand()\u51fd\u6570\u53ef\u4ee5\u5b9e\u73b0\u76f8\u540c\u7684\u529f\u80fd\u3002<\/p>\n
<\/p>\n
3.8.2 \u4f7f\u7528array_reverse()\u51fd\u6570<\/p>\n
array_reverse()\u51fd\u6570\u4f7f\u7528\u4e00\u4e2a\u6570\u7ec4\u4f5c\u53c2\u6570\uff0c\u8fd4\u56de\u4e00\u4e2a\u5185\u5bb9\u4e0e\u53c2\u6570\u6570\u7ec4\u76f8\u540c\u4f46\u987a\u5e8f\u76f8\u53cd\u7684\u6570\u7ec4\u3002<\/p>\n
\u56e0\u4e3a\u5355\u72ec\u4f7f\u7528range()\u51fd\u6570\u5c06\u521b\u5efa\u4e00\u4e2a\u5347\u5e8f\u5e8f\u5217\uff0c\u6240\u4ee5\u5fc5\u987b\u4f7f\u7528sort()\u51fd\u6570\u6216array_reverse()\u51fd\u6570\u5c06\u6570\u7ec4\u4e2d\u7684\u6570\u5b57\u53d8\u4e3a\u964d\u5e8f\u3002\u6216\u8005\uff0c\u4e5f\u53ef\u4ee5\u4f7f\u7528for\u5faa\u73af\u901a\u8fc7\u4e00\u6b21\u4e00\u4e2a\u5143\u7d20\u7684\u65b9\u5f0f\u521b\u5efa\u8fd9\u4e2a\u6570\u7ec4\u3002\u5982\uff1a<\/p>\n
$numbers = array();<\/p>\n
for ($i=10; $i>0; $i–)<\/p>\n
array_push( $numbers, $i );<\/p>\n
\u4e00\u4e2afor\u5faa\u73af\u53ef\u4ee5\u50cf\u8fd9\u6837\u6309\u964d\u5e8f\u65b9\u5f0f\u8fd0\u884c\u3002\u53ef\u4ee5\u5c06\u8ba1\u6570\u5668<\/p>\n
\u4e00\u4e2afor\u5faa\u73af\u53ef\u4ee5\u50cf\u8fd9\u6837\u6309\u964d\u5e8f\u65b9\u5f0f\u8fd0\u884c\u3002\u53ef\u4ee5\u5c06\u8ba1\u6570\u5668\u7684\u521d\u59cb\u503c\u8bbe\u4e3a\u4e00\u4e2a\u5927\u6570\uff0c\u5728\u6bcf\u6b21\u5faa\u73af\u672b\u5c3e\u4f7f\u7528\u8fd0\u7b97\u7b26\u201c–\u201d\u5c06\u8ba1\u6570\u5668\u51cf1\u3002<\/p>\n
\u5728\u8fd9\u91cc\uff0c\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2a\u7a7a\u6570\u7ec4\uff0c\u7136\u540e\u4f7f\u7528array_push()\u51fd\u6570\u5c06\u6bcf\u4e2a\u65b0\u5143\u7d20\u6dfb\u52a0\u5230\u6570\u7ec4\u7684\u672b\u5c3e\u3002\u8bf7\u6ce8\u610f\uff0c\u548carray_push()\u76f8\u53cd\u7684\u51fd\u6570\u662farray_pop()\uff0c\u8fd9\u4e2a\u51fd\u6570\u7528\u6765\u5220\u9664\u5e76\u8fd4\u56de\u6570\u7ec4\u672b\u5c3e\u7684\u4e00\u4e2a\u5143\u7d20\u3002<\/p>\n
\u6216\u8005\uff0c\u4e5f\u53ef\u4ee5\u4f7f\u7528array_reverse()\u51fd\u6570\u5c06\u7531range()\u51fd\u6570\u6240\u521b\u5efa\u7684\u6570\u7ec4\u8fdb\u884c\u53cd\u5411\u6392\u5e8f\u3002<\/p>\n
\u8bf7\u6ce8\u610f\uff0carray_reverse()\u51fd\u6570\u5c06\u8fd4\u56de\u4e00\u4e2a\u539f\u6570\u7ec4\u4fee\u6539\u540e\u7684\u526f\u672c\u3002\u5982\u679c\u4e0d\u518d\u9700\u8981\u539f\u6765\u7684\u6570\u7ec4\uff0c\u6bd4\u5982\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u53ef\u4ee5\u7528\u65b0\u7684\u526f\u672c\u8986\u76d6\u539f\u6765\u7684\u7248\u672c\u3002<\/p>\n
\u5982\u679c\u6570\u636e\u53ea\u662f\u4e00\u7cfb\u5217\u7684\u6574\u6570\uff0c\u53ef\u4ee5\u901a\u8fc7\u5c06-1\u4f5c\u4e3arange()\u51fd\u6570\u7684\u7b2c\u4e09\u4e2a\u53ef\u9009\u8c03\u53c2\u6570\uff0c\u4ee5\u76f8\u53cd\u7684\u987a\u5e8f\u521b\u5efa\u8be5\u6570\u7ec4\u3002<\/p>\n
<\/p>\n
3.9 \u4ece\u6587\u4ef6\u8f7d\u5165\u6570\u7ec4<\/p>\n
\u4f7f\u7528file()\u51fd\u6570\u5c06\u6574\u4e2a\u6587\u4ef6\u8f7d\u5165\u4e00\u4e2a\u6570\u7ec4\u4e2d\u3002\u6587\u4ef6\u4e2d\u7684\u6bcf\u884c\u5219\u6210\u4e3a\u6570\u7ec4\u4e2d\u7684\u4e00\u4e2a\u5143\u7d20\u3002\u4f7f\u7528\u4e86count()\u51fd\u6570\u6765\u7edf\u8ba1\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u4e2a\u6570\u3002<\/p>\n
explode(“\\t”, $orders[$i])<\/p>\n
explode()\u51fd\u6570\u53ef\u4ee5\u5c06\u4f20\u5165\u7684\u5b57\u7b26\u4e32\u5206\u5272\u6210\u4e00\u4e2a\u4e2a\u5c0f\u5757\u3002\u6bcf\u4e2a\u5236\u8868\u7b26\u6210\u4e3a\u4e24\u4e2a\u5143\u7d20\u4e4b\u95f4\u7684\u65ad\u70b9\u3002\u8fd9\u4e2a\u51fd\u6570\u7684\u53ef\u9009\u53c2\u6570limit\u53ef\u4ee5\u7528\u6765\u9650\u5236\u88ab\u8fd4\u56de\u7684\u6700\u5927\u5757\u6570\u3002<\/p>\n
\u53ef\u4ee5\u4f7f\u7528\u8bb8\u591a\u65b9\u6cd5\u4ece\u5b57\u7b26\u4e32\u4e2d\u63d0\u53d6\u6570\u5b57\u3002\u5728\u8fd9\u91cc\uff0c\u6211\u4eec\u4f7f\u7528\u4e86intval()\u51fd\u6570\u3002\u5b83\u53ef\u4ee5\u5c06\u4e00\u4e2a\u5b57\u7b26\u4e32\u8f6c\u5316\u6210\u4e00\u4e2a\u6574\u6570\u3002\u8fd9\u4e2a\u8f6c\u6362\u662f\u76f8\u5f53\u667a\u80fd\u5316\u7684\uff0c\u5b83\u53ef\u4ee5\u5ffd\u7565\u67d0\u4e9b\u90e8\u5206\uff0c\u4f8b\u5982\u6807\u7b7e\u5c31\u4e0d\u80fd\u8f6c\u6362\u6210\u6570\u5b57\u3002<\/p>\n
<\/p>\n
3.10 \u6267\u884c\u5176\u4ed6\u7684\u6570\u7ec4\u64cd\u4f5c<\/p>\n
<\/p>\n
3.10.1 \u5728\u6570\u7ec4\u4e2d\u6d4f\u89c8\uff1aeach()\u3001current()\u3001reset()\u3001end()\u3001next()\u3001pos()\u548cprev()<\/p>\n
\u524d\u9762\u5df2\u7ecf\u63d0\u5230\uff0c\u6bcf\u4e2a\u6570\u7ec4\u90fd\u6709\u4e00\u4e2a\u5185\u90e8\u6307\u9488\u6307\u5411\u6570\u7ec4\u4e2d\u7684\u5f53\u524d\u5143\u7d20\u3002\u5f53\u4f7f\u7528\u51fd\u6570each()\u65f6\uff0c\u5c31\u95f4\u63a5\u5730\u4f7f\u7528\u4e86\u8fd9\u4e2a\u6307\u9488\uff0c\u4f46\u662f\u4e5f\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528\u548c\u64cd\u4f5c\u8fd9\u4e2a\u6307\u9488\u3002<\/p>\n
\u5982\u679c\u521b\u5efa\u4e00\u4e2a\u65b0\u6570\u7ec4\uff0c\u90a3\u4e48\u5f53\u524d\u6307\u9488\u5c31\u5c06\u88ab\u521d\u59cb\u5316\uff0c\u5e76\u6307\u5411\u6570\u7ec4\u7684\u7b2c\u4e00\u4e2a\u5143\u7d20\u3002<\/p>\n
\u8c03\u7528next()\u6216each()\u5c06\u4f7f\u6307\u9488\u524d\u79fb\u4e00\u4e2a\u5143\u7d20\u3002\u8c03\u7528each($array_name)\u4f1a\u5728\u6307\u9488\u524d\u79fb\u4e00\u4e2a\u4f4d\u7f6e\u4e4b\u524d\u8fd4\u56de\u5f53\u524d\u5143\u7d20\u3002next()\u51fd\u6570\u5219\u6709\u4e9b\u4e0d\u540c\u2014\u2014\u8c03\u7528next($array_name)\u662f\u5c06\u6307\u9488\u524d\u79fb\uff0c\u7136\u540e\u518d\u8fd4\u56de\u65b0\u7684\u5f53\u524d\u5143\u7d20\u3002<\/p>\n
\u8c03\u7528end($array_name)\u53ef\u4ee5\u5c06\u6307\u9488\u79fb\u5230\u6570\u7ec4\u672b\u5c3e\u3002<\/p>\n
\u8981\u53cd\u5411\u904d\u5386\u4e00\u4e2a\u6570\u7ec4\uff0c\u53ef\u4ee5\u4f7f\u7528end()\u548cprev()\u51fd\u6570\u3002prev()\u51fd\u6570\u548cnext()\u51fd\u6570\u76f8\u53cd\u3002\u5b83\u662f\u5c06\u5f53\u524d\u6307\u9488\u5f80\u56de\u79fb\u4e00\u4e2a\u4f4d\u7f6e\u7136\u540e\u518d\u8fd4\u56de\u65b0\u7684\u5f53\u524d\u5143\u7d20\u3002<\/p>\n
<\/p>\n
3.10.2 \u5bf9\u6570\u7ec4\u7684\u6bcf\u4e00\u4e2a\u5143\u7d20\u5e94\u7528\u4efb\u4f55\u51fd\u6570\uff1aarray_walk()<\/p>\n
array_walk()\u51fd\u6570\u9700\u8981\u4e09\u4e2a\u53c2\u6570\u3002\u7b2c\u4e00\u4e2a\u662farr\uff0c\u4e5f\u5c31\u662f\u9700\u8981\u5904\u7406\u7684\u6570\u7ec4\u3002\u7b2c\u4e8c\u4e2a\u662ffunc\uff0c\u4e5f\u5c31\u662f\u7528\u6237\u81ea\u5b9a\u4e49\u5e76\u5c06\u4f5c\u7528\u4e8e\u6570\u7ec4\u4e2d\u6bcf\u4e2a\u5143\u7d20\u7684\u51fd\u6570\u3002\u7b2c\u4e09\u4e2a\u53c2\u6570userdata\u662f\u53ef\u9009\u7684\uff0c\u5982\u679c\u4f7f\u7528\u5b83\uff0c\u5b83\u53ef\u4ee5\u4f5c\u4e3a\u4e00\u4e2a\u53c2\u6570\u4f20\u9012\u7ed9\u6211\u4eec\u81ea\u5df1\u7684\u51fd\u6570\u3002<\/p>\n
\u770b\u4e00\u4e2a\u9500\u5fae\u590d\u6742\u70b9\u7684\u4f8b\u5b50\uff1a<\/p>\n
function my_multiply(&$value, $key, $factor)<\/p>\n
{<\/p>\n
$value *= $factor;<\/p>\n
}<\/p>\n
array_walk(&$array, ‘my_multiply’, 3);<\/p>\n
\u5728\u8fd9\u91cc\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u4e00\u4e2a\u540d\u4e3amy_multiply()\u7684\u51fd\u6570\uff0c\u5b83\u53ef\u4ee5\u7528\u6240\u63d0\u4f9b\u7684\u4e58\u6cd5\u56e0\u5b50\u53bb\u4e58\u4ee5\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u3002<\/p>\n
\u6b64\u5916\uff0c\u8fd8\u6709\u4e00\u4e2a\u9700\u8981\u6ce8\u610f\u7684\u95ee\u9898\u662f\u4f20\u9012\u6bf5\u6570$value\u7684\u65b9\u5f0f\u3002\u5728my_multiply()\u7684\u51fd\u6570\u5b9a\u4e49\u4e2d\uff0c\u53d8\u91cf\u524d\u9762\u7684\u5730\u5740\u7b26\uff08&\uff09\u610f\u5473\u7740$value\u662f\u6309\u5f15\u7528\u65b9\u5f0f\u4f20\u9012\u7684\u3002\u6309\u5f15\u7528\u65b9\u5f0f\u4f20\u9012\u5141\u8bb8\u51fd\u6570\u4fee\u6539\u6570\u7ec4\u7684\u5185\u5bb9\u3002<\/p>\n
<\/p>\n
3.10.3 \u7edf\u8ba1\u6570\u7ec4\u5143\u7d20\u4e2a\u6570\uff1acount()\u3001sizeof()\u548carray_count_values()<\/p>\n
count()\u51fd\u6570\u548csizeof()\u51fd\u6570\u5177\u6709\u540c\u6837\u7684\u7528\u9014\uff0c\u90fd\u53ef\u4ee5\u8fd4\u56de\u6570\u7ec4\u5143\u7d20\u7684\u4e2a\u6570\u3002\u53ef\u4ee5\u5f97\u5230\u4e00\u4e2a\u5e38\u89c4\u6807\u91cf\u53d8\u91cf\u4e2d\u7684\u5143\u7d20\u4e2a\u6570\uff0c\u5982\u679c\u4f20\u9012\u7ed9\u8fd9\u4e2a\u51fd\u6570\u7684\u6570\u7ec4\u662f\u4e00\u4e2a\u7a7a\u6570\u7ec4\uff0c\u6216\u8005\u662f\u4e00\u4e2a\u6ca1\u6709\u7ecf\u8fc7\u8bbe\u5b9a\u7684\u53d8\u91cf\uff0c\u8fd4\u56de\u7684\u6570\u7ec4\u4e2a\u6570\u5c31\u662f0\u3002<\/p>\n
\u5982 \u679c\u8c03\u7528array_count_values($array)\uff0c\u8fd9\u4e2a\u51fd\u6570\u5c06\u4f1a\u7edf\u8ba1\u6bcf\u4e2a\u7279\u5b9a\u7684\u503c\u5728\u6570\u7ec4$array\u4e2d\u51fa\u73b0\u8fc7\u7684\u6b21\u6570\uff08\u8fd9\u5c31\u662f\u6570\u7ec4\u7684\u57fa\u6570\u96c6\uff09\u3002 \u8fd9\u4e2a\u51fd\u6570\u5c06\u8fd4\u56de\u4e00\u4e2a\u5305\u542b\u9891\u7387\u8868\u7684\u76f8\u5173\u6570\u7ec4\u3002\u8fd9\u4e2a\u6570\u7ec4\u5305\u542b\u6570\u7ec4$array\u4e2d\u7684\u6240\u6709\u503c\uff0c\u5e76\u4ee5\u8fd9\u4e9b\u503c\u4f5c\u4e3a\u76f8\u5173\u6570\u7ec4\u7684\u5173\u952e\u5b57\u3002\u6bcf\u4e2a\u5173\u952e\u5b57\u6240\u5bf9\u5e94\u7684\u6570\u503c\u5c31\u662f\u5173\u952e\u5b57 \u5728\u6570\u7ec4$array\u4e2d\u51fa\u73b0\u7684\u6b21\u6570\u3002<\/p>\n
<\/p>\n
3.10.4 \u5c06\u6570\u7ec4\u8f6c\u6362\u6210\u6807\u91cf\u53d8\u91cf\uff1aextract()<\/p>\n
\u5bf9\u4e8e\u4e00\u4e2a\u975e\u6570\u5b57\u7d22\u5f15\u6570\u7ec4\uff0c\u800c\u8be5\u6570\u7ec4\u53c8\u6709\u8bb8\u591a\u5173\u952e\u5b57-\u503c\u5bf9\uff0c\u53ef\u4ee5\u4f7f\u7528\u51fd\u6570extract()\u5c06\u5b83\u4eec\u8f6c\u6362\u6210\u4e00\u7cfb\u5217\u7684\u6807\u91cf\u53d8\u91cf\u3002<\/p>\n
\u51fd\u6570extract()\u7684\u4f5c\u7528\u662f\u901a\u8fc7\u4e00\u4e2a\u6570\u7ec4\u521b\u5efa\u4e00\u7cfb\u5217\u7684\u6807\u91cf\u53d8\u91cf\uff0c\u8fd9\u4e9b\u53d8\u91cf\u7684\u540d\u79f0\u5fc5\u987b\u662f\u6570\u7ec4\u4e2d\u5173\u952e\u5b57\u7684\u540d\u79f0\uff0c\u800c\u53d8\u91cf\u503c\u5219\u662f\u6570\u7ec4\u4e2d\u7684\u503c\u3002<\/p>\n
extract()\u51fd\u6570\u5177\u6709\u4e24\u4e2a\u53ef\u9009\u53c2\u6570\uff1aextract_type\u548cprefix\u3002\u53d8\u91cfextract_type\u5c06\u544a\u8bc9extract()\u51fd\u6570\u5982\u4f55\u5904\u7406\u51b2\u7a81\u3002\u6709\u65f6\u53ef\u80fd\u5df2\u7ecf\u5b58\u5728\u4e00\u4e2a\u548c\u6570\u7ec4\u5173\u952e\u5b57\u540c\u540d\u7684\u53d8\u91cf\uff0c\u8be5\u51fd\u6570\u7684\u9ed8\u8ba4\u64cd\u4f5c\u662f\u8986\u76d6\u5df2\u6709\u7684\u53d8\u91cf\u3002<\/p>\n
\u4e24\u4e2a\u6700\u5e38\u7528\u7684\u9009\u9879\u662fEXTR_OVERWRITE\uff08\u9ed8\u8ba4\u503c\uff09\u548cEXTR_PREFIX_ALL\u3002\u5f53\u77e5\u9053\u4f1a\u53d1\u751f\u7279\u5b9a\u7684\u51b2\u7a81\u5e76\u4e14\u5e0c\u671b\u8df3\u8fc7\u8be5\u5173\u952e\u5b57\u6216\u8981\u7ed9\u5b83\u52a0\u4e0a\u524d\u7f00\u65f6\uff0c\u53ef\u80fd\u4f1a\u7528\u5230\u5176\u4ed6\u9009\u9879\u3002<\/p>\n
extract()\u53ef\u4ee5\u63d0\u53d6\u51fa\u4e00\u4e2a\u5143\u7d20\uff0c\u8be5\u5143\u7d20\u7684\u5173\u952e\u5b57\u5fc5\u987b\u662f\u4e00\u4e2a\u6709\u6548\u7684\u53d8\u91cf\u540d\u79f0\uff0c\u8fd9\u5c31\u610f\u5473\u7740\u4ee5\u6570\u5b57\u5f00\u59cb\u6216\u5305\u542b\u7a7a\u683c\u7684\u5173\u952e\u5b57\u5c06\u88ab\u8df3\u8fc7\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u4e00\u3001\u6570\u7ec4\u64cd\u4f5c\u7684\u57fa\u672c\u51fd\u6570 \u6570\u7ec4\u7684\u952e\u540d\u548c\u503c array_values($arr);\u83b7\u5f97\u6570\u7ec4\u7684\u503c array_keys($arr);\u83b7\u5f97\u6570\u7ec4\u7684\u952e\u540d array_flip($arr);\u6570\u7ec4\u4e2d\u7684\u503c\u4e0e\u952e\u540d\u4e92\u6362\uff08\u5982\u679c\u6709\u91cd\u590d\u524d\u9762\u7684\u4f1a\u88ab\u540e\u9762\u7684\u8986\u76d6\uff09 in_array(“apple”,$arr);\u5728\u6570\u7ec4\u4e2d\u68c0\u7d22app<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[6,5],"tags":[53,51,52,54,55,50],"_links":{"self":[{"href":"https:\/\/www.codeeel.com\/index.php?rest_route=\/wp\/v2\/posts\/83"}],"collection":[{"href":"https:\/\/www.codeeel.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.codeeel.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.codeeel.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.codeeel.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=83"}],"version-history":[{"count":2,"href":"https:\/\/www.codeeel.com\/index.php?rest_route=\/wp\/v2\/posts\/83\/revisions"}],"predecessor-version":[{"id":85,"href":"https:\/\/www.codeeel.com\/index.php?rest_route=\/wp\/v2\/posts\/83\/revisions\/85"}],"wp:attachment":[{"href":"https:\/\/www.codeeel.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=83"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.codeeel.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=83"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.codeeel.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=83"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}