text to upper php code example
Example 1: php code to convert to small letter
$str = strtolower($str);
Example 2: php open file capital letters or not
$result = current(preg_grep("/".preg_quote($filename)."/i", glob("$path/*")));
$str = strtolower($str);
$result = current(preg_grep("/".preg_quote($filename)."/i", glob("$path/*")));