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<?php class Age { public function __construct(readonly public int $age) { if (0 > $age) { throw new DomainException('Age must be positive integer. "' . $age . '" provided.'); } } public function min(Age $comparingAge): Age { return min($this, $comparingAge); } } $firstAge = new Age(33); $secondAge = new Age(22); $minAge = $firstAge->min($secondAge); var_dump($minAge);
Output for 8.1.12 - 8.1.33, 8.2.21 - 8.2.29, 8.3.5 - 8.3.28, 8.4.1 - 8.4.14, 8.5.0
object(Age)#2 (1) { ["age"]=> int(22) }
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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