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run code in 200+ PHP versions simultaneously
<?php $items = ['foo', 'bar', 'baz']; $x = $items[array_key_last($items)]; var_dump($items); var_dump($x);
Output for 7.3.0 - 7.4.0rc2
array(3) { [0]=> string(3) "foo" [1]=> string(3) "bar" [2]=> string(3) "baz" } string(3) "baz"
Output for 7.1.25 - 7.2.22
Fatal error: Uncaught Error: Call to undefined function array_key_last() in /in/WcFVk:5 Stack trace: #0 {main} thrown in /in/WcFVk on line 5
Process exited with code 255.