3v4l.org

run code in 300+ PHP versions simultaneously
<?php $s = "# (1296) {20} [529] [1496] [411]\n# (MONDAY ) (1296)\n# (646) {20} (BEACH 7) [20 Mtrs] { 03 Foot }\n# {19} [455] [721] (1296) (SUNDAY ) [2741] (MONDAY (WEDNESDAY {20}\n# {19} (1296)"; if (preg_match_all('~^#|(?:(\[)|(\()|{)\d+(?(1)]|(?(2)\)|}))~m', $s, $m)) { echo preg_replace_callback('~^(#)\s*|#\s*~', function($m) { return isset($m[1]) ? "#" : "\n#"; }, implode(" ", $m[0])); }
Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.29, 8.4.1 - 8.4.14, 8.4.16, 8.5.0 - 8.5.2
#(1296) {20} [529] [1496] [411] #(1296) #(646) {20} #{19} [455] [721] (1296) [2741] {20} #{19} (1296)
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.

preferences:
161 ms | 407 KiB | 5 Q