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run code in 300+ PHP versions simultaneously
<?php $array = [1,2,3]; foreach($array as &$val) { echo $val, PHP_EOL; foreach ($array as &$val2) { unset($array[1]); echo $val, PHP_EOL; } } $array = array(1,2,3); foreach( $array as &$item ) { } print_r( $array ); foreach( $array as $item ) { } print_r( $array );
Output for 7.0.0 - 7.0.33, 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
1 1 1 3 3 3 Array ( [0] => 1 [1] => 2 [2] => 3 ) Array ( [0] => 1 [1] => 2 [2] => 2 )
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 1 1 1 3 3 3 Array ( [0] => 1 [1] => 2 [2] => 3 ) Array ( [0] => 1 [1] => 2 [2] => 2 )
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
1 1 1 Array ( [0] => 1 [1] => 2 [2] => 3 ) Array ( [0] => 1 [1] => 2 [2] => 2 )
preferences:
213.72 ms | 402 KiB | 330 Q