3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = new ArrayObject(); $a['b'] = 10; $a[1] = 22; foreach ($a as $b) { print_r($b . PHP_EOL); } iterator_apply($a, fn ($x) => print_r($x . PHP_EOL), (array) $a);
Output for 8.3.0 - 8.3.28, 8.4.1 - 8.4.14, 8.5.0 - 8.5.1
10 22 Fatal error: Uncaught Error: Unknown named parameter $b in /in/QHr6M:9 Stack trace: #0 /in/QHr6M(9): iterator_apply(Object(ArrayObject), Object(Closure), Array) #1 {main} thrown in /in/QHr6M 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.
Output for 8.0.1 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29
10 22 10 10
preferences:
126.02 ms | 409 KiB | 5 Q