3v4l.org

run code in 300+ PHP versions simultaneously
<?php $num = 3; $foo = 0; var_dump($num . " - " . $foo + 1);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
string(5) "3 - 1"
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/uT3aP on line 5 Notice: A non well formed numeric value encountered in /in/uT3aP on line 5 int(4)
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.3.32 - 7.3.33
int(4)
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31
Notice: A non well formed numeric value encountered in /in/uT3aP on line 5 int(4)

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