3v4l.org

run code in 300+ PHP versions simultaneously
<?php $parent[0] = array(0, 0, 0); $parent[2] = array("foo", "bar", "b", "a", "z"); $parent[1] = array(4, 2); $parent[5] = array(11, 2); $parent[3] = array(1, 21); $parent[4] = array(11, 1); array_multisort(array_map('count', $parent), $parent); var_export($parent);
Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
array ( 0 => array ( 0 => 1, 1 => 21, ), 1 => array ( 0 => 4, 1 => 2, ), 2 => array ( 0 => 11, 1 => 1, ), 3 => array ( 0 => 11, 1 => 2, ), 4 => array ( 0 => 0, 1 => 0, 2 => 0, ), 5 => array ( 0 => 'foo', 1 => 'bar', 2 => 'b', 3 => 'a', 4 => 'z', ), )
preferences:
83.2 ms | 407 KiB | 5 Q