The usual PHP code, Hash,split,unset

Common PHP Code, hash,split,unset
[Size=large]

 ) # return;     #echo $line = preg_replace ("/\\n/", "", $line);     #echo $line;    $arr = Explode ("", $line);    if (count ($arr) <2) continue;    $query = $arr [0];    $ids = $arr [1];    $arrID = Explode ("", $ids);    $len =count ($arrID);    $str = "";    Unset ($hash);        for ($i =0; $i < $len; $i + +) {$title =gettitle ($db, $arrID [$i]);        $words = Explode ("", $title);            foreach ($words as $word) {//echo $word;            The judgment is not in the hash dictionary if (isset ($hash [$word])) {$hash [$word] = $hash [$word]+1;            } else {$hash [$word] = 1;    }}} $i = 0; Traversal hash Data structure foreach ($hash as $key = = $val) {if ($i ==0) {$str = $key. "            \x03 ". $val;        $i = 1; } else {$str = $str. " \x02 ". $key."        \x03 ". $val; }}//String stitching echo "QF". $query. " \x01 ". $str." \ n ";} Fclose ($file _handle);? >

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