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run code in 300+ PHP versions simultaneously
<?php function num( $a, $b ) { if ( 0 == $b ) { return $a; } if ( $a > $b ) { $a = $a - $b; } else { $b = $b - $a; } return num( $a, $b ); } echo num( 66, 6 ); echo num( 24, 4 ); echo num( 99, 3 );
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 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 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 - 8.1.27, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
643
preferences:
190.16 ms | 405 KiB | 312 Q