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run code in 500+ PHP versions simultaneously
<?php define( 'FOO', 'foo' ); define( 'FOO', 'oof' );
Output for 7.2.0 - 7.2.34, 7.3.0 - 7.3.31, 7.3.33, 7.4.0 - 7.4.25, 7.4.27 - 7.4.33
Notice: Constant FOO already defined in /in/fTLBp on line 4
Output for 7.3.32, 7.4.26
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.34, 8.3.0 - 8.3.35, 8.4.1 - 8.4.26
Warning: Constant FOO already defined in /in/fTLBp on line 4
Output for 8.5.0 - 8.5.11
Warning: Constant FOO already defined, this will be an error in PHP 9 in /in/fTLBp on line 4
preferences:
37.71 ms | 1171 KiB | 17 Q