- var_export: documentation ( source)
- preg_filter: documentation ( source)
<?php
$str = 'Lorem ipsum dolor sit amet, adipisicing <img src="http://example.com/img.jpg" />consequat.';
var_export(
preg_filter('/.*?<img(?= ).*? src=([\'"])((?:(?!\1).)*)\1.*/ius', '$2', $str)
);
echo "\n---\n";
$str = 'Lorem ipsum dolor sit amet, adipisicing <img src="" />consequat.';
var_export(
preg_filter('/.*?<img(?= ).*? src=([\'"])((?:(?!\1).)*)\1.*/ius', '$2', $str)
);
echo "\n---\n";
$str = 'omg no img tag!';
var_export(
preg_filter('/.*?<img(?= ).*? src=([\'"])((?:(?!\1).)*)\1.*/ius', '$2', 'omg no img!')
);