- preg_match: documentation ( source)
- print_r: documentation ( source)
<?php
$pattern = '/url\([\'\"](.+)[\'\"]\)/';
$string ="background:#FFFFFF url('/assets/master/awards/honorcarosel.jpg') no-repeat; height:120px!important; min-height:120px;";
echo (int)preg_match( $pattern, $sample, $matches).PHP_EOL;
print_r($matches);