高亮度显示ｐｈｐ源代码！

　　 PHP代码:--------------------------------------------------------------------------------

<?php
function 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
$PHPcode= <<<END
<phpcode>
<?php
function HeighPHPcode($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");
?>
PHP代码:--------------------------------------------------------------------------------
<?php
function 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

$PHPcode= '
<phpcode>
<?php
function HeighPHPcode($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>';
##########################################################################################

echo HeighPHPcode($PHPcode);
?>

--------------------------------------------------------------------------------