3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $foo = array(1, 2, 3); $foo = trim($foo); var_dump($foo, empty($foo));
Output for 5.3.0 - 7.1.7
Warning: trim() expects parameter 1 to be string, array given in /in/bCN0v on line 4 NULL bool(true)
Output for 4.3.0 - 5.2.17
Notice: Array to string conversion in /in/bCN0v on line 4 string(5) "Array" bool(false)