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run code in 300+ PHP versions simultaneously
<?php function b($t,$s) { echo $s.($t ? 'true' : 'false'); return $t; } echo ((b(true,1) && b(false,2)) || b(false,3)) . "\n"; echo ((b(true,1) && b(true,2)) || b(false,3)) . "\n"; echo ((b(true,1) && b(false,2)) || b(false,3)) . "\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, 5.5.24 - 5.5.35, 5.6.8 - 5.6.21, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.12 - 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
1true2false3false 1true2true1 1true2false3false

preferences:
210.55 ms | 406 KiB | 310 Q