Hüseyin ZAHMACIOĞLU zahmaci

## is_base64.php
<?php
function is_base64($str){
	if ( base64_encode(base64_decode($str, true)) === $str){
	   return true;
	} else {
	   return false;
	}
}
	<?php
	function is_base64($str){
	if ( base64_encode(base64_decode($str, true)) === $str){
	return true;
	} else {
	return false;
	}
	}