{"rsdb":{"rid":"239246","subhead":"","postdate":"0","aid":"164905","fid":"85","uid":"1","topic":"1","content":"
\n

\u4e00\u3001\u6570\u7ec4\u64cd\u4f5c\u7684\u57fa\u672c\u51fd\u6570<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/p> \n


<\/span>\u6570\u7ec4\u7684\u952e\u540d\u548c\u503c<\/span>
array_values($arr);  \u83b7\u5f97\u6570\u7ec4\u7684\u503c<\/span>
array_keys($arr);  \u83b7\u5f97\u6570\u7ec4\u7684\u952e\u540d<\/span>
array_flip($arr);  \u6570\u7ec4\u4e2d\u7684\u503c\u4e0e\u952e\u540d\u4e92\u6362\uff08\u5982\u679c\u6709\u91cd\u590d\u524d\u9762\u7684\u4f1a\u88ab\u540e\u9762\u7684\u8986\u76d6\uff09<\/span>
in_array("apple",$arr);  \u5728\u6570\u7ec4\u4e2d\u68c0\u7d22apple<\/span>
array_search("apple",$arr);  \u5728\u6570\u7ec4\u4e2d\u68c0\u7d22apple \uff0c\u5982\u679c\u5b58\u5728\u8fd4\u56de\u952e\u540d<\/span>
array_key_exists("apple",$arr);  \u68c0\u7d22\u7ed9\u5b9a\u7684\u952e\u540d\u662f\u5426\u5b58\u5728\u6570\u7ec4\u4e2d<\/span>
isset($arr[apple]):   \u68c0\u7d22\u7ed9\u5b9a\u7684\u952e\u540d\u662f\u5426\u5b58\u5728\u6570\u7ec4\u4e2d<\/span>

\u6570\u7ec4\u7684\u5185\u90e8\u6307\u9488<\/span>
current($arr);  \u8fd4\u56de\u6570\u7ec4\u4e2d\u7684\u5f53\u524d\u5355\u5143<\/span>
pos($arr);  \u8fd4\u56de\u6570\u7ec4\u4e2d\u7684\u5f53\u524d\u5355\u5143<\/span>
key($arr);  \u8fd4\u56de\u6570\u7ec4\u4e2d\u5f53\u524d\u5355\u5143\u7684\u952e\u540d<\/span>
prev($arr);  \u5c06\u6570\u7ec4\u4e2d\u7684\u5185\u90e8\u6307\u9488\u5012\u56de\u4e00\u4f4d<\/span>
next($arr);  \u5c06\u6570\u7ec4\u4e2d\u7684\u5185\u90e8\u6307\u9488\u5411\u524d\u79fb\u52a8\u4e00\u4f4d<\/span>
end($arr);  \u5c06\u6570\u7ec4\u4e2d\u7684\u5185\u90e8\u6307\u9488\u6307\u5411\u6700\u540e\u4e00\u4e2a\u5355\u5143<\/span>
reset($arr;  \u5c06\u6570\u7ec4\u4e2d\u7684\u5185\u90e8\u6307\u9488\u6307\u5411\u7b2c\u4e00\u4e2a\u5355\u5143<\/span>
each($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<\/span>
list($key,$value)=each($arr);  \u83b7\u5f97\u6570\u7ec4\u5f53\u524d\u5143\u7d20\u7684\u952e\u540d\u548c\u503c<\/span>

\u6570\u7ec4\u548c\u53d8\u91cf\u4e4b\u95f4\u7684\u8f6c\u6362<\/span>
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<\/span>
\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;<\/span>
<\/span><\/span><\/span>compact(var1,var2,var3);\u7528\u7ed9\u5b9a\u7684\u53d8\u91cf\u540d\u521b\u5efa\u4e00\u4e2a\u6570\u7ec4<\/span><\/span><\/span><\/span><\/span>

\u4e8c\u3001\u6570\u7ec4\u7684\u5206\u6bb5\u548c\u586b\u5145<\/span><\/span><\/span><\/span><\/strong><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/p> \n


<\/span><\/span><\/span><\/span><\/strong><\/span>\u6570\u7ec4\u7684\u5206\u6bb5<\/span>
array_slice($arr,0,3);  \u53ef\u4ee5\u5c06\u6570\u7ec4\u4e2d\u7684\u4e00\u6bb5\u53d6\u51fa\uff0c\u6b64\u51fd\u6570\u5ffd\u7565\u952e\u540d<\/span>
array_splice($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<\/span>

\u5206\u5272\u591a\u4e2a\u6570\u7ec4<\/span>
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<\/span>

\u6570\u7ec4\u7684\u586b\u5145<\/span>
array_pad($arr,5,'x');  \u5c06\u4e00\u4e2a\u6570\u7ec4\u586b\u8865\u5230\u5236\u5b9a\u957f\u5ea6<\/span><\/span><\/span>
<\/span><\/span><\/span><\/span><\/span><\/span><\/span>
\u4e09\u3001\u6570\u7ec4\u4e0e\u6808<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/strong><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/p> \n


array_push($arr,"apple","pear");  \u5c06\u4e00\u4e2a\u6216\u591a\u4e2a\u5143\u7d20\u538b\u5165\u6570\u7ec4\u6808\u7684\u672b\u5c3e\uff08\u5165\u6808\uff09\uff0c\u8fd4\u56de\u5165\u6808\u5143\u7d20\u7684\u4e2a\u6570<\/span>
array_pop($arr);  \u5c06\u6570\u7ec4\u6808\u7684\u6700\u540e\u4e00\u4e2a\u5143\u7d20\u5f39\u51fa\uff08\u51fa\u6808\uff09<\/span>

\u56db\u3001\u6570\u7ec4\u4e0e\u5217\u961f<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/strong><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/p> \n


array_shift($arr);\u6570\u7ec4\u4e2d\u7684\u7b2c\u4e00\u4e2a\u5143\u7d20\u79fb\u51fa\u5e76\u4f5c\u4e3a\u7ed3\u679c\u8fd4\u56de\uff08\u6570\u7ec4\u957f\u5ea6\u51cf1\uff0c\u5176\u4ed6\u5143\u7d20\u5411\u524d\u79fb\u52a8\u4e00\u4f4d\uff0c\u6570\u5b57\u952e\u540d\u6539\u4e3a\u4ece\u96f6\u6280\u672f\uff0c\u6587\u5b57\u952e\u540d\u4e0d\u53d8\uff09<\/span>
array_unshift($arr,"a",array(1,2));\u5728\u6570\u7ec4\u7684\u5f00\u5934\u63d2\u5165\u4e00\u4e2a\u6216\u591a\u4e2a\u5143\u7d20<\/span>

\u4e94\u3001\u56de\u8c03\u51fd\u6570<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/strong><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/p> \n


<\/span><\/span>array_walk($arr,'function','words');  \u4f7f\u7528\u7528\u6237\u51fd\u6570\u5bf9\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u6210\u5458\u8fdb\u884c\u5904\u7406\uff08\u7b2c\u4e09\u4e2a\u53c2\u6570\u4f20\u9012\u7ed9\u56de\u8c03\u51fd\u6570function\uff09<\/span>
array_mpa("function",$arr1,$arr2);  \u53ef\u4ee5\u5904\u7406\u591a\u4e2a\u6570\u7ec4\uff08\u5f53\u4f7f\u7528\u4e24\u4e2a\u6216\u66f4\u591a\u6570\u7ec4\u65f6\uff0c\u4ed6\u4eec\u7684\u957f\u5ea6\u5e94\u8be5\u76f8\u540c\uff09
array_filter($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
array_reduce($arr,"function","*");  \u8f6c\u5316\u4e3a\u5355\u503c\u51fd\u6570\uff08*\u4e3a\u6570\u7ec4\u7684\u7b2c\u4e00\u4e2a\u503c\uff09<\/span><\/span>
<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>
\u516d\u3001\u6570\u7ec4\u7684\u6392\u5e8f<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/strong><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/p> \n


<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/strong>\u901a\u8fc7\u5143\u7d20\u503c\u5bf9\u6570\u7ec4\u6392\u5e8f<\/span>
sort($arr);  \u7531\u5c0f\u5230\u5927\u7684\u987a\u5e8f\u6392\u5e8f\uff08\u7b2c\u4e8c\u4e2a\u53c2\u6570\u4e3a\u6309\u4ec0\u4e48\u65b9\u5f0f\u6392\u5e8f\uff09\u5ffd\u7565\u952e\u540d\u7684\u6570\u7ec4\u6392\u5e8f<\/span>
rsort($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<\/span>
usort($arr,"function");  \u4f7f\u7528\u7528\u6237\u81ea\u5b9a\u4e49\u7684\u6bd4\u8f83\u51fd\u6570\u5bf9\u6570\u7ec4\u4e2d\u7684\u503c\u8fdb\u884c\u6392\u5e8f\uff08function\u4e2d\u6709\u4e24\u4e2a\u53c2\u6570\uff0c0\u8868\u793a\u76f8\u7b49\uff0c\u6b63\u6570\u8868\u793a\u7b2c\u4e00\u4e2a\u5927\u4e8e\u7b2c\u4e8c\u4e2a\uff0c\u8d1f\u6570\u8868\u793a\u7b2c\u4e00\u4e2a\u5c0f\u4e8e\u7b2c\u4e8c\u4e2a\uff09\u5ffd\u7565\u952e\u540d\u7684\u6570\u7ec4\u6392\u5e8f<\/span>
asort($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<\/span>
arsort($arr);  \u7531\u5927\u5230\u5c0f\u7684\u987a\u5e8f\u6392\u5e8f\uff08\u7b2c\u4e8c\u4e2a\u53c2\u6570\u4e3a\u6309\u4ec0\u4e48\u65b9\u5f0f\u6392\u5e8f\uff09\u4fdd\u7559\u952e\u540d\u7684\u6570\u7ec4\u6392\u5e8f<\/span>
uasort($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<\/span>

\u901a\u8fc7\u952e\u540d\u5bf9\u6570\u7ec4\u6392\u5e8f<\/span>
ksort($arr);  \u6309\u7167\u952e\u540d\u6b63\u5e8f\u6392\u5e8f<\/span>
krsort($arr);  \u6309\u7167\u952e\u540d\u9006\u5e8f\u6392\u5e8f<\/span>
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<\/span>

\u81ea\u7136\u6392\u5e8f\u6cd5\u6392\u5e8f<\/span>
natsort($arr);  \u81ea\u7136\u6392\u5e8f\uff08\u5ffd\u7565\u952e\u540d\uff09<\/span>
natcasesort($arr);  \u81ea\u7136\u6392\u5e8f\uff08\u5ffd\u7565\u5927\u5c0f\u5199\uff0c\u5ffd\u7565\u952e\u540d\uff09<\/span>

\u4e03\u3001\u6570\u7ec4\u7684\u8ba1\u7b97<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/p> \n


\u6570\u7ec4\u5143\u7d20\u7684\u6c42\u548c<\/span>
array_sum($arr);  \u5bf9\u6570\u7ec4\u5185\u90e8\u7684\u6240\u6709\u5143\u7d20\u505a\u6c42\u548c\u8fd0\u7b97<\/span>

\u6570\u7ec4\u7684\u5408\u5e76<\/span>
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<\/span>
\u201c+\u201d$arr1+$arr2;  \u5bf9\u4e8e\u76f8\u540c\u7684\u952e\u540d\u53ea\u4fdd\u7559\u540e\u4e00\u4e2a<\/span>
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<\/span>

\u6570\u7ec4\u7684\u5dee\u96c6<\/span>
array_diff($arr1,$arr2);  \u8fd4\u56de\u5dee\u96c6\u7ed3\u679c\u6570\u7ec4<\/span>
array_diff_assoc($arr1,$arr2,$arr3);  \u8fd4\u56de\u5dee\u96c6\u7ed3\u679c\u6570\u7ec4\uff0c\u952e\u540d\u4e5f\u505a\u6bd4\u8f83<\/span>

\u6570\u7ec4\u7684\u4ea4\u96c6<\/span>
array_intersect($arr1,$arr2);  \u8fd4\u56de\u4ea4\u96c6\u7ed3\u679c\u6570\u7ec4<\/span>
array_intersect_assoc($arr1,$arr2);  \u8fd4\u56de\u4ea4\u96c6\u7ed3\u679c\u6570\u7ec4\uff0c\u952e\u540d\u4e5f\u505a\u6bd4\u8f83<\/span>

\u516b\u3001\u5176\u4ed6\u7684\u6570\u7ec4\u51fd\u6570<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/p> \n


range(0,12);  \u521b\u5efa\u4e00\u4e2a\u5305\u542b\u6307\u5b9a\u8303\u56f4\u5355\u5143\u7684\u6570\u7ec4<\/span>
array_unique(","orderid":"0","title":"PHP\u4e2d\u7684\u5e38\u7528\u6570\u7ec4\u64cd\u4f5c\u65b9\u6cd5(\u4e00)","smalltitle":"","mid":"0","fname":"PHP","special_id":"0","bak_id":"0","info":"0","hits":"3986","pages":"2","comments":"0","posttime":"2017-10-16 18:19:12","list":"1508149152","username":"admin","author":"","copyfrom":"","copyfromurl":"","titlecolor":"","fonttype":"0","titleicon":"0","picurl":"https:\/\/www.cppentry.com\/upload_files\/","ispic":"0","yz":"1","yzer":"","yztime":"0","levels":"0","levelstime":"0","keywords":"PHP<\/A> \u5e38\u7528<\/A> \u64cd\u4f5c<\/A> \u65b9\u6cd5<\/A>","jumpurl":"","iframeurl":"","style":"","template":"a:3:{s:4:\"head\";s:0:\"\";s:4:\"foot\";s:0:\"\";s:8:\"bencandy\";s:0:\"\";}","target":"0","ip":"113.108.110.181","lastfid":"0","money":"0","buyuser":"","passwd":"","allowdown":"","allowview":"","editer":"","edittime":"0","begintime":"0","endtime":"0","description":"PHP\u4e2d\u7684\u5e38\u7528\u6570\u7ec4\u64cd\u4f5c\u65b9\u6cd5","lastview":"1713381461","digg_num":"1427","digg_time":"0","forbidcomment":"0","ifvote":"0","heart":"","htmlname":"","city_id":"0"},"page":"1"}