3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php echo serialize(array('docs' => array(array('property_imgurl' => 'http://www.example.com/image1.jpg'), array('property_imgurl' => 'http://www.example.com/image2.jpg'), array('property_imgurl' => 'http://www.example.com/image3.jpg'), array('property_imgurl' => 'http://www.example.com/image4.jpg'))));
based on U3spp
Output for 4.3.0 - 7.1.0
a:1:{s:4:"docs";a:4:{i:0;a:1:{s:15:"property_imgurl";s:33:"http://www.example.com/image1.jpg";}i:1;a:1:{s:15:"property_imgurl";s:33:"http://www.example.com/image2.jpg";}i:2;a:1:{s:15:"property_imgurl";s:33:"http://www.example.com/image3.jpg";}i:3;a:1:{s:15:"property_imgurl";s:33:"http://www.example.com/image4.jpg";}}}