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run code in 200+ php & hhvm versions
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<?php $x = 36; $y = 24; $gcd = gmp_gcd("36", "24"); echo gmp_intval($gcd) . "\n";
based on ZCn4W
Output for 5.4.9 - 5.5.34, 5.6.8 - 5.6.20, 5.6.28 - 7.0.5, 7.0.20 - 7.2.0
12
Output for 7.0.6
Fatal error: Uncaught Error: Call to undefined function gmp_gcd() in /in/Nnaol:4 Stack trace: #0 {main} thrown in /in/Nnaol on line 4
Process exited with code 255.
Output for 5.3.19 - 5.3.29, 5.5.35, 5.6.21
Fatal error: Call to undefined function gmp_gcd() in /in/Nnaol on line 4
Process exited with code 255.