3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(PHP_INT_MAX + 1); var_dump("trakakaka " . PHP_INT_MAX + 1 . " xoxoxo");
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
float(9.223372036854776E+18) string(36) "trakakaka 9.2233720368548E+18 xoxoxo"
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/CjiuL on line 4 float(9.2233720368548E+18) Warning: A non-numeric value encountered in /in/CjiuL on line 4 string(8) "1 xoxoxo"
Output for 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33
float(9.2233720368548E+18) Warning: A non-numeric value encountered in /in/CjiuL on line 4 string(8) "1 xoxoxo"
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20
float(9.2233720368548E+18) string(8) "1 xoxoxo"

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