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<?php $arr = ['one', 'two', 'three', 'four', 'five']; echo 'Current value: ' . current($arr) . "\n"; foreach ($arr as $a) { if ($a === 'three') break; } echo 'Did it change? ' . current($arr) . "\n"; function withRef(array &$arr): void { foreach ($arr as $a) { if ($a === 'three') break; } } withRef($arr); echo 'What about now? ' . current($arr) . "\n";
Output for 7.4.33, 8.1.28 - 8.1.33, 8.2.18 - 8.2.29, 8.3.5 - 8.3.28, 8.4.1 - 8.4.14, 8.5.0
Current value: one Did it change? one What about now? one
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 5.5.21
Parse error: syntax error, unexpected ':', expecting '{' in /in/LAbQA on line 14
Process exited with code 255.

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