3v4l.org

run code in 300+ PHP versions simultaneously
<?php $elements = array( array( 'weight' => 100, 'index' => 1, 'html' => 'foo1', ), array( 'weight' => 20, 'index' => 2, 'html' => 'foo2', ), array( 'weight' => 100, 'index' => 3, 'html' => 'foo3', ), ); print_r( $elements ); asort( $elements ); print_r( $elements );
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.7, 7.2.29 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Array ( [0] => Array ( [weight] => 100 [index] => 1 [html] => foo1 ) [1] => Array ( [weight] => 20 [index] => 2 [html] => foo2 ) [2] => Array ( [weight] => 100 [index] => 3 [html] => foo3 ) ) Array ( [1] => Array ( [weight] => 20 [index] => 2 [html] => foo2 ) [0] => Array ( [weight] => 100 [index] => 1 [html] => foo1 ) [2] => Array ( [weight] => 100 [index] => 3 [html] => foo3 ) )

preferences:
207.65 ms | 407 KiB | 311 Q