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<?php class C { public function __destruct() { echo 'destructed', PHP_EOL; } } $x = new C(); $fn = fn ($a, $b) => (($x = $a ** 2) + ($y = $b ** 2)) * ($x - $y); echo '- unsetting $x', PHP_EOL; unset($x); echo '- calling $fn', PHP_EOL; var_dump($fn(3, 2)); echo '- unsetting $fn', PHP_EOL; unset($fn); echo '- DONE.', PHP_EOL;
Output for 8.1.7 - 8.1.33, 8.2.10 - 8.2.29, 8.3.0 - 8.3.27, 8.4.1 - 8.4.14, 8.5.0
- unsetting $x - calling $fn int(65) - unsetting $fn destructed - DONE.
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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107.82 ms | 407 KiB | 5 Q