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run code in 300+ PHP versions simultaneously
<?php $ar = ['a','b','c']; $arr =& $ar; // both are now references foreach ($arr as $dummy) { $arr []= 'foo'; } var_dump($arr);
Output for 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(6) { [0]=> string(1) "a" [1]=> string(1) "b" [2]=> string(1) "c" [3]=> string(3) "foo" [4]=> string(3) "foo" [5]=> string(3) "foo" }
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(6) { [0]=> string(1) "a" [1]=> string(1) "b" [2]=> string(1) "c" [3]=> string(3) "foo" [4]=> string(3) "foo" [5]=> string(3) "foo" }
preferences:
166.23 ms | 402 KiB | 156 Q