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<?php class Test { public static function valid(?float $value): bool { if ($value !== null && !is_float($value)) throw new InvalidArgumentException('Not valid'); return true; } } var_dump(Test::valid('1.2')); // "valid" because of implicit typecast, which can disabled with declare strict_types var_dump(Test::valid('not a number')); // triggers TypeError, NOT InvalidArgumentException
Output for 8.2.0 - 8.2.29, 8.3.0 - 8.3.28, 8.4.1 - 8.4.14, 8.5.0
bool(true) Fatal error: Uncaught TypeError: Test::valid(): Argument #1 ($value) must be of type ?float, string given, called in /in/hmk19 on line 12 and defined in /in/hmk19:4 Stack trace: #0 /in/hmk19(12): Test::valid('not a number') #1 {main} thrown in /in/hmk19 on line 4
Process exited with code 255.
Output for 8.4.15
/bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.
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