高亮度显示ｐｈｐ源代码<?phpfunction HeighPHPcode($Heightstring){ do{    $z=0;    if(preg_match("/<phpcode>(.*?)</phpcode>/s",$Heightstring,$reg)) {      $z=1;      $code="";      ob_start();      highlight_string($reg[1]);      $code = ob_get_contents();      ob_end_clean();      $reg[1] = addslashes($reg[1]);      $Heightstring=preg_replace("/<phpcode>(.*?)</phpcode>/s","$code",$Heightstring,1);     } }while($z); return $Heightstring; } ###########################################################################################$PHPcode就是要被加亮的代码$PHPcode= <<<END<phpcode><?phpfunction HeighPHPcode($Heightstring){ do{    $z=0;    if(preg_match("/<phpcode>(.*?)</phpcode>/s",$Heightstring,$reg)) {      $z=1;      $code="";      ob_start();      highlight_string($reg[1]);      $code = ob_get_contents();      ob_end_clean();      $reg[1] = addslashes($reg[1]);      $Heightstring=preg_replace("/<phpcode>(.*?)</phpcode>/s","$code",$Heightstring,1);     } }while($z); return $Heightstring; } </phpcode>END;##########################################################################################echo   HeighPHPcode("$PHPcode");?>