{"id":267,"date":"2014-07-23T13:25:52","date_gmt":"2014-07-23T13:25:52","guid":{"rendered":"http:\/\/blog.yyhcw.com\/post\/267.html"},"modified":"-0001-11-30T00:00:00","modified_gmt":"-0001-11-29T07:54:17","slug":"","status":"publish","type":"post","link":"http:\/\/blog.yyhcw.com\/post\/267.html","title":{"rendered":"PHP\u968f\u673a\u6279\u91cf\u63d2\u5165\u5b57\u7b26\u4e32\u51fd\u6570"},"content":{"rendered":"<!--wp-compress-html--><!--wp-compress-html no compression--><p>\u4e24\u4e2a\u51fd\u6570\u5b9e\u73b0\u4e0d\u540c\u7684\u6548\u679c\uff0c\u4e0d\u8fc7\u4e24\u4e2a\u6548\u679c\u6709\u4e9b\u7c7b\u4f3c\uff0c\u5c31\u662f\u628a\u4e00\u4e2a\u5b57\u7b26\u4e32\u63d2\u5165\u5230\u53e6\u4e00\u4e2a\u5b57\u7b26\u4e32\u7684\u6307\u5b9a\u4f4d\u7f6e\u3002\u8fd9\u4e2a\u95ee\u9898\u770b\u4f3c\u7b80\u5355\uff0c\u4e0d\u8fc7PHP\u91cc\u9762\u4e2d\u6587\u5b57\u7b26\u5360\u4e09\u4f4d\uff0c\u5176\u5b83\u5b57\u7b26\u5360\u4e00\u4f4d\uff0c\u6240\u4ee5\u4e00\u4e0d\u7559\u795e\u5c31\u4e71\u7801\u4e86\u3002\u8f6c\u6362\u4e86\u51e0\u4e2a\u601d\u8def\uff0c\u6700\u540e\u7528\u9012\u5f52\u505a\u51fa\u6765\u4e86\u3002\u4e0b\u9762\u4e0a\u6e90\u7801\uff1a<\/p>\n<pre class=\"brush:php;toolbar:false\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\/**\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;\u5c06\u6307\u5b9a\u5b50\u5b57\u7b26\u4e32\u63d2\u5165\u5230\u6307\u5b9a\u5b57\u7b26\u4e32\u7684\u6307\u5b9a\u5b50\u5b57\u7b26\u4e32\u540e\u9762\uff0c\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;\u53ef\u4ee5\u9650\u5236\u63d2\u5165\u6b21\u6570\uff0c\u5e76\u53ef\u4ee5\u7edf\u8ba1\u5b9e\u9645\u63d2\u5165\u6b21\u6570&nbsp;\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;@param&nbsp;&nbsp;string&nbsp;&nbsp;$str&nbsp;&nbsp;&nbsp;&nbsp;\u539f\u5b57\u7b26\u4e32\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;@param&nbsp;&nbsp;string&nbsp;&nbsp;$search&nbsp;\u641c\u7d22\u5b57\u7b26\u4e32\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;@param&nbsp;&nbsp;string&nbsp;&nbsp;$substr&nbsp;\u8981\u63d2\u5165\u7684\u5b57\u7b26\u4e32\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;@param&nbsp;&nbsp;integer&nbsp;$limit&nbsp;&nbsp;\u63d2\u5165\u6b21\u6570\u9650\u5236\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;@param&nbsp;&nbsp;integer&nbsp;$count&nbsp;&nbsp;\u7edf\u8ba1\u4e00\u5171\u63d2\u5165\u4e86\u591a\u5c11\u6b21\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;@return&nbsp;string&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\u63d2\u5165\u540e\u7684\u5b57\u7b26\u4e32\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*\/\r\n&nbsp;&nbsp;&nbsp;&nbsp;function&nbsp;str_insert($str,&nbsp;$search,&nbsp;$substr,$limit=-1,&amp;$count=null){\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;if($count==false)\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;{\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;$count=0;\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;$rtStr&nbsp;=&nbsp;&quot;&quot;;\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;$pos&nbsp;=&nbsp;stripos($str,&nbsp;$search);\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;if($limit==0||$pos==false)\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;{\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;return&nbsp;$str;\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;$count++;\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;$pos&nbsp;+=&nbsp;strlen($search);\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;$startStr&nbsp;=&nbsp;substr($str,&nbsp;0,$pos).$substr;\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;$str&nbsp;=&nbsp;substr($str,&nbsp;$pos);\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;$rtStr=&nbsp;$startStr.str_insert($str,$search,$substr,$limit-1,$count);\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;return&nbsp;$rtStr;\r\n&nbsp;&nbsp;&nbsp;&nbsp;}<\/pre>\n<p>\u4e0a\u9762\u7684\u662f\u8981\u6307\u5b9a\u5b57\u7b26\u4e32\uff0c\u800c\u4e0b\u9762\u4fee\u6539\u7684\u662f\u53ef\u4ee5\u968f\u673a\u6279\u91cf\u63d2\u5165\u5b57\u7b26\u4e32\u7684\u6548\u679c\uff01\u7528\u4e8e\u4e00\u6bb5\u5b57\u7b26\u4e32\u4e2d\u968f\u673a\u63d2\u5165\u5173\u952e\u8bcd\u8fd8\u662f\u53ef\u4ee5\u7528\u7528\u7684\uff01\u5176\u4ed6\u7528\u5904\u518d\u8003\u8651\uff01<\/p>\n<pre class=\"brush:php;toolbar:false\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\/**\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;\u5c06\u6307\u5b9a\u5b50\u5b57\u7b26\u4e32\u96c6\u968f\u673a\u63d2\u5165\u5230\u6307\u5b9a\u5b57\u7b26\u4e32\u7684\u6307\u5b9a\u5b50\u5b57\u7b26\u4e32\u540e\u9762\uff0c\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;\u53ef\u4ee5\u9650\u5236\u63d2\u5165\u6b21\u6570\uff0c\u5e76\u53ef\u4ee5\u7edf\u8ba1\u5b9e\u9645\u63d2\u5165\u6b21\u6570&nbsp;\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;@param&nbsp;&nbsp;string&nbsp;&nbsp;$str&nbsp;&nbsp;&nbsp;&nbsp;\u539f\u5b57\u7b26\u4e32\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;@param&nbsp;&nbsp;string&nbsp;&nbsp;$search&nbsp;\u641c\u7d22\u5b57\u7b26\u4e32\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;@param&nbsp;&nbsp;array&nbsp;&nbsp;&nbsp;$substrArr&nbsp;\u8981\u63d2\u5165\u7684\u5b57\u7b26\u4e32\u96c6\u5408\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;@param&nbsp;&nbsp;integer&nbsp;$limit&nbsp;&nbsp;\u63d2\u5165\u6b21\u6570\u9650\u5236\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;@param&nbsp;&nbsp;integer&nbsp;$count&nbsp;&nbsp;\u7edf\u8ba1\u4e00\u5171\u63d2\u5165\u4e86\u591a\u5c11\u6b21\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;@return&nbsp;string&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\u63d2\u5165\u540e\u7684\u5b57\u7b26\u4e32\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*\/\r\n&nbsp;&nbsp;&nbsp;&nbsp;function&nbsp;str_insert2($str,&nbsp;$search,&nbsp;$substrArr=array(),$limit=-1,&amp;$count=null){\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;if($count==false)\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;{\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;$count=0;\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;$rtStr&nbsp;=&nbsp;&quot;&quot;;\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;$pos&nbsp;=&nbsp;stripos($str,&nbsp;$search);\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;if($limit==0||$pos==false)\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;{\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;return&nbsp;$str;\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;$count++;\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;$pos&nbsp;+=&nbsp;strlen($search);\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;$startStr&nbsp;=&nbsp;substr($str,&nbsp;0,$pos).$substrArr[array_rand($substrArr)];\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;$str&nbsp;=&nbsp;substr($str,&nbsp;$pos);\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;$rtStr=&nbsp;$startStr.str_insert2($str,$search,$substrArr,$limit-1,$count);\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;return&nbsp;$rtStr;\r\n&nbsp;&nbsp;&nbsp;&nbsp;}<\/pre>\n<p>\u9760\uff0c\u5199\u7684\u7ed5\u5634\u7684\u5f88\uff0c\u7528\u7740\u8212\u670d\u5c31\u884c\u4e86\uff01<\/p>\n<!--wp-compress-html no compression--><!--wp-compress-html-->","protected":false},"excerpt":{"rendered":"\u4e24\u4e2a\u51fd\u6570\u5b9e\u73b0\u4e0d\u540c\u7684\u6548\u679c\uff0c\u4e0d\u8fc7\u4e24\u4e2a\u6548\u679c\u6709\u4e9b\u7c7b\u4f3c\uff0c\u5c31\u662f\u628a\u4e00\u4e2a\u5b57\u7b26\u4e32\u63d2\u5165\u5230\u53e6\u4e00\u4e2a\u5b57\u7b26\u4e32\u7684\u6307\u5b9a\u4f4d\u7f6e\u3002\u8fd9\u4e2a\u95ee\u9898\u770b\u4f3c\u7b80\u5355\uff0c 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