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<?php class A { private readonly array $matches; public function __construct() { \preg_match('/t/', '', $this->matches); } } new A();
Output for 8.1.30 - 8.1.34, 8.2.16 - 8.2.30, 8.3.3 - 8.3.30, 8.4.1 - 8.4.14, 8.4.16 - 8.4.18, 8.5.0 - 8.5.3
Fatal error: Uncaught Error: Cannot indirectly modify readonly property A::$matches in /in/DdVMXM:9 Stack trace: #0 /in/DdVMXM(13): A->__construct() #1 {main} thrown in /in/DdVMXM on line 9
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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