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<?php $x = $y = 0; ($x = 1) == 1 || ($y = 2) == 2; echo 'Using || with left operand evaluating to true' . PHP_EOL; var_dump($x); var_dump($y); $x = $y = 0; ($x = 1) != 1 && ($y = 2) == 2; echo 'Using && with left operand evaluating to false' . PHP_EOL; var_dump($x); var_dump($y);
Output for 5.4.2 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
Using || with left operand evaluating to true int(1) int(0) Using && with left operand evaluating to false int(1) int(0)
preferences:
91.5 ms | 1699 KiB | 4 Q