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run code in 300+ PHP versions simultaneously
<?php $var = 'Calc: ' . 5 - 5 . '!'; echo $var; Echo "\n"; $var = 'Calc: ' . (5 - 5) . '!'; echo $var;
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.29, 8.2.0 - 8.2.23, 8.3.0 - 8.3.11
Calc: 0! Calc: 0!
Output for 7.4.0 - 7.4.33
Deprecated: The behavior of unparenthesized expressions containing both '.' and '+'/'-' will change in PHP 8: '+'/'-' will take a higher precedence in /in/p8OYf on line 3 Warning: A non-numeric value encountered in /in/p8OYf on line 3 -5! Calc: 0!
Output for 7.1.0 - 7.1.22, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33
Warning: A non-numeric value encountered in /in/p8OYf on line 3 -5! Calc: 0!
Output for 5.6.38
-5! Calc: 0!
preferences:
75.12 ms | 409 KiB | 5 Q