$filename ="bbbbbbb";
$dir = dirname(__FILE__);
$path = $dir."".DIRECTORY_SEPARATOR."config.php";
echo $path;
$contents = file_get_contents( $path);
$contents =modify_ini_value($contents,"テーマ",$filename);
file_put_contents($path,$contents);
functionmodify_ini_value($content,$key,$replace) {
$match = '/([ t]*)($'.$key.'s*=s*"?)(.*?)("?)(s*;s*$)/m' ;
return (preg_replace($match,"${1}${2}{$replace}${4}${5}",$content));
}