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run code in 300+ PHP versions simultaneously
<?php $anotherarr = array('b' => 'B'); $arr = array(); $arr['a'] = 'A'; $arr['b1'] =& $anotherarr['b']; $arr['b2'] =& $arr['c']; $arr['c'] = 'C'; var_dump($arr);
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 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(4) { ["a"]=> string(1) "A" ["b1"]=> &string(1) "B" ["c"]=> &string(1) "C" ["b2"]=> &string(1) "C" }
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(4) { ["a"]=> string(1) "A" ["b1"]=> &string(1) "B" ["c"]=> &string(1) "C" ["b2"]=> &string(1) "C" }
Output for 7.0.0 - 7.0.33
array(4) { ["a"]=> string(1) "A" ["b1"]=> &string(1) "B" ["b2"]=> &string(1) "C" ["c"]=> &string(1) "C" }
preferences:
247.74 ms | 401 KiB | 330 Q