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<?php $gmp = gmp_add(0, 0); var_dump($gmp); $gmp2 = $gmp + 1; var_dump($gmp2); $gmp++; var_dump($gmp);
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.32, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
object(GMP)#1 (1) { ["num"]=> string(1) "0" } object(GMP)#2 (1) { ["num"]=> string(1) "1" } object(GMP)#3 (1) { ["num"]=> string(1) "1" }
Output for 7.4.33
Fatal error: Uncaught Error: Call to undefined function gmp_add() in /in/9JaBF:3 Stack trace: #0 {main} thrown in /in/9JaBF on line 3
Process exited with code 255.
Output for 5.5.0 - 5.5.38
resource(5) of type (GMP integer) int(6) resource(5) of type (GMP integer)

preferences:
273.68 ms | 401 KiB | 339 Q