3v4l.org

run code in 300+ PHP versions simultaneously
<?php $servers = ["one","two","tree","four"]; function isServerDown($server) { return $server === 'tree'; } for ($i = 0, $count = count($servers); $i < $count; ++$i) { $server = $servers[(int)$i]; printf("Key=%d VAL=%s\n", $i, $server); $i = isServerDown($server) ? $i - .9 : (int)$i; }
Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.27, 8.4.1 - 8.4.14, 8.5.0 - 8.5.1
Key=0 VAL=one Key=1 VAL=two Key=2 VAL=tree Key=2 VAL=tree Key=2 VAL=tree Key=2 VAL=tree Key=2 VAL=tree Key=2 VAL=tree Key=2 VAL=tree Key=2 VAL=tree Key=2 VAL=tree Key=2 VAL=tree Key=3 VAL=four
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 8.3.28
/bin/php-8.3.28: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.3.28) /bin/php-8.3.28: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.3.28) /bin/php-8.3.28: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.3.28) /bin/php-8.3.28: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.3.28)
Process exited with code 1.
preferences:
165.82 ms | 407 KiB | 5 Q