常用的php代码，hash，split，unset
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40) # return ; #echo $line = preg_replace(/\\n/,,$line); #echo $line; $arr = explode(,$line); if (count($arr),$ids); $len=count($arrid); $str=; unset($hash); for ($i=0; $i,$title); foreach($words as $word) { //echo $word; //判断是不是在hash词典中 if( isset($hash[$word])) { $hash[$word] = $hash[$word]+1; } else { $hash[$word] =1 ; } } } $i=0; //遍历hash数据结构 foreach ($hash as $key=>$val) { if( $i ==0) { $str=$key.\x03.$val; $i =1; } else { $str = $str.\x02.$key.\x03.$val; } } //字符串拼接 echo qf.$query.\x01.$str.\n;}fclose($file_handle);?>
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