3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php // Here is a url that contains some regex strings (see the (\d+) twice)? // I want to replace each one individually, using a regex of the regex, with the contents of the $params array // Final result should be http://whatever.com/en-GB/companies/8556/blah/502034/link/etc // Note they're in the correct order! $expectedUrl = "http://whatever.com/en-GB/companies/(\d+)/blah/(\d+)/link/etc"; preg_match_all('#\((.*?)\)#', $expectedUrl, $matches); $search = $matches[0]; $params = array(8556, "?"); foreach (array_combine($params, $search) as $value => $key) { $split = str_split($key); foreach ($split as &$char) { if ($char !== "\\") $char = "\\" . $char; } $split = implode("", $split); $expectedUrl = preg_replace("/".$split."/", $value, $expectedUrl, 1); } var_dump($expectedUrl);
Output for 5.0.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
string(56) "http://whatever.com/en-GB/companies/8556/blah/?/link/etc"
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected '&', expecting T_VARIABLE or '$' in /in/3MpNU on line 17
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected '&', expecting T_VARIABLE or '$' in /in/3MpNU on line 17
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_VARIABLE' or `'$'' in /in/3MpNU on line 17
Process exited with code 255.