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run code in 300+ PHP versions simultaneously
<?php $fruits = array("d" => "lemon", "a" => "orange", "b" => "banana", "c" => "apple"); function test_print($item, $key) { echo "$key. $item. bla-bla-bla"; } echo "Before ...:\n"; array_walk($fruits, 'test_print'); ?>
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, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 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
Before ...: d. lemon. bla-bla-blaa. orange. bla-bla-blab. banana. bla-bla-blac. apple. bla-bla-bla
preferences:
280.97 ms | 406 KiB | 359 Q