3v4l.org

run code in 300+ PHP versions simultaneously
<?php $strings = [ "21-114512", "test12345abcd", "12test123456testing", "123456", "1234", "12345a67890" ]; function extract_numbers($string) { return preg_match_all('/(?<!\d)\d{5,6}(?!\d)/', $string, $match) ? $match[0] : []; } foreach ($strings as $string) { var_export(extract_numbers($string)); echo "\n---\n"; }
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.27, 8.4.1 - 8.4.15, 8.5.0
array ( 0 => '114512', ) --- array ( 0 => '12345', ) --- array ( 0 => '123456', ) --- array ( 0 => '123456', ) --- array ( ) --- array ( 0 => '12345', 1 => '67890', ) ---
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:
191.59 ms | 407 KiB | 5 Q