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<?php $a = 1; $f = fn() => $a; var_dump($f);
Output for 8.4.1 - 8.4.14, 8.5.0
object(Closure)#1 (4) { ["name"]=> string(21) "{closure:/in/3rXUW:4}" ["file"]=> string(9) "/in/3rXUW" ["line"]=> int(4) ["static"]=> array(1) { ["a"]=> int(1) } }
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.
Output for 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.28
object(Closure)#1 (1) { ["static"]=> array(1) { ["a"]=> int(1) } }

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