3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = array( "abc"=>123, "dog"=>array(1,2,3,) ); print_r($x); echo "--"; var_dump($x); echo "--"; $r = var_export($x, true); echo $r;
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, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 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 - 8.3.4, 8.3.6
Array ( [abc] => 123 [dog] => Array ( [0] => 1 [1] => 2 [2] => 3 ) ) --array(2) { ["abc"]=> int(123) ["dog"]=> array(3) { [0]=> int(1) [1]=> int(2) [2]=> int(3) } } --array ( 'abc' => 123, 'dog' => array ( 0 => 1, 1 => 2, 2 => 3, ), )
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Array ( [abc] => 123 [dog] => Array ( [0] => 1 [1] => 2 [2] => 3 ) ) --array(2) { ["abc"]=> int(123) ["dog"]=> array(3) { [0]=> int(1) [1]=> int(2) [2]=> int(3) } } --array ( 'abc' => 123, 'dog' => array ( 0 => 1, 1 => 2, 2 => 3, ), )

preferences:
209.91 ms | 402 KiB | 340 Q