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<?php $gmp = gmp_init('42'); var_dump($gmp); var_dump($gmp instanceof Stringable); var_dump(in_array('__toString', array_column((new ReflectionObject($gmp))->getMethods(), 'name'), true)); echo "\n"; var_dump((string)$gmp); var_dump(''.$gmp); (function (string $x) { var_dump($x); })($gmp); echo "\n"; var_dump((int)$gmp); var_dump(+$gmp); (function (int $x) { var_dump($x); })($gmp);
Output for 8.2.10 - 8.2.18, 8.3.0 - 8.3.6
object(GMP)#1 (1) { ["num"]=> string(2) "42" } bool(false) bool(false) string(2) "42" string(2) "42" string(2) "42" int(42) object(GMP)#5 (1) { ["num"]=> string(2) "42" } Fatal error: Uncaught TypeError: {closure}(): Argument #1 ($x) must be of type int, GMP given, called in /in/cRnnW on line 14 and defined in /in/cRnnW:14 Stack trace: #0 /in/cRnnW(14): {closure}(Object(GMP)) #1 {main} thrown in /in/cRnnW on line 14
Process exited with code 255.
Output for 8.1.7 - 8.1.28
object(GMP)#1 (1) { ["num"]=> string(2) "42" } bool(false) bool(false) string(2) "42" string(2) "42" string(2) "42" int(42) object(GMP)#4 (1) { ["num"]=> string(2) "42" } Fatal error: Uncaught TypeError: {closure}(): Argument #1 ($x) must be of type int, GMP given, called in /in/cRnnW on line 14 and defined in /in/cRnnW:14 Stack trace: #0 /in/cRnnW(14): {closure}(Object(GMP)) #1 {main} thrown in /in/cRnnW on line 14
Process exited with code 255.
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67.12 ms | 402 KiB | 28 Q