3v4l.org

run code in 300+ PHP versions simultaneously
<?php $identifier = "a@z.com"; $identifier2 = "another"; echo "Original"; echo "B: " . (strpos($identifier, '@') === false ? false : true) ."\n"; echo "B: " . (strpos($identifier2, '@') === false ? false : true) ."\n"; echo "\n"; echo "Improve"; echo "B: " . ((bool) strpos($identifier, '@') !== false) ."\n"; echo "B: " . ((bool) strpos($identifier2, '@') !== false) ."\n";
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.36, 5.6.0 - 5.6.22, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
OriginalB: 1 B: ImproveB: 1 B:
preferences:
252.05 ms | 406 KiB | 392 Q