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run code in 200+ php & hhvm versions
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<?php if(gmp_add('0', '0') === 0){ echo "zero\n"; }else{ echo "nonzero\n"; } if(gmp_add('1', '0') === 0){ echo "zero\n"; }else{ echo "nonzero\n"; }
based on 740B6
Output for 5.4.2 - 5.5.34, 5.6.7 - 5.6.20, 5.6.28 - 7.0.5, 7.0.20 - 7.2.0
nonzero nonzero
Output for 7.0.6
Fatal error: Uncaught Error: Call to undefined function gmp_add() in /in/5s01M:3 Stack trace: #0 {main} thrown in /in/5s01M on line 3
Process exited with code 255.
Output for 5.3.18 - 5.3.29, 5.5.35, 5.6.21
Fatal error: Call to undefined function gmp_add() in /in/5s01M on line 3
Process exited with code 255.