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run code in 300+ PHP versions simultaneously
<?php // Create new stdClass with numeric attribute, stored as string. $bla = new stdClass; $bla->{"1012"} = "Value 1"; $bla->{1012} = "Value 2"; // Convert to array $bla = (array) $bla; if (!isset($bla[1012])) { // ISSET fails, because it is now "1012" instead of 1012 var_dump($bla); $bla[1012] = "Value 4"; } var_dump($bla); echo json_encode($bla);
Output for 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(1) { [1012]=> string(7) "Value 2" } {"1012":"Value 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 array(1) { [1012]=> string(7) "Value 2" } {"1012":"Value 2"}
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33
array(1) { ["1012"]=> string(7) "Value 2" } array(2) { ["1012"]=> string(7) "Value 2" [1012]=> string(7) "Value 4" } {"1012":"Value 2","1012":"Value 4"}
preferences:
225.01 ms | 402 KiB | 287 Q