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<?php /** * Parses routes of the following form: * * "/user/{name}/{id:[0-9]+}" */ class Std { const VARIABLE_REGEX = <<<'REGEX' ~\{ \s* ([a-zA-Z][a-zA-Z0-9_]*) \s* (?: : \s* ([^{}]*(?:\{(?-1)\}[^{}]*)*) )? \}~x REGEX; const DEFAULT_DISPATCH_REGEX = '[^/]+'; public function parse($route) { if (!preg_match_all( self::VARIABLE_REGEX, $route, $matches, PREG_OFFSET_CAPTURE | PREG_SET_ORDER )) { return [$route]; } $offset = 0; $routeData = []; foreach ($matches as $set) { if ($set[0][1] > $offset) { $routeData[] = substr($route, $offset, $set[0][1] - $offset); } $routeData[] = [ $set[1][0], isset($set[2]) ? trim($set[2][0]) : self::DEFAULT_DISPATCH_REGEX ]; $offset = $set[0][1] + strlen($set[0][0]); } if ($offset != strlen($route)) { $routeData[] = substr($route, $offset); } return $routeData; } } $Parser = new Std; var_dump( $Parser->parse("/user/{name}/{id:[0-9]+}") );
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.35, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
array(4) { [0]=> string(6) "/user/" [1]=> array(2) { [0]=> string(4) "name" [1]=> string(5) "[^/]+" } [2]=> string(1) "/" [3]=> array(2) { [0]=> string(2) "id" [1]=> string(6) "[0-9]+" } }
Output for 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/HaKUn on line 23
Process exited with code 255.
Output for 5.2.3 - 5.2.17
Parse error: syntax error, unexpected T_SL in /in/HaKUn on line 9
Process exited with code 255.
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.2
<br /> <b>Parse error</b>: syntax error, unexpected T_SL in <b>/in/HaKUn</b> on line <b>9</b><br />
Process exited with code 255.
Output for 5.0.0 - 5.0.5
<br /> <b>Parse error</b>: parse error, unexpected T_SL in <b>/in/HaKUn</b> on line <b>9</b><br />
Process exited with code 255.
Output for 4.4.2 - 4.4.9
<br /> <b>Parse error</b>: syntax error, unexpected T_CONST, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in <b>/in/HaKUn</b> on line <b>9</b><br />
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
<br /> <b>Parse error</b>: parse error, unexpected T_CONST, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in <b>/in/HaKUn</b> on line <b>9</b><br />
Process exited with code 255.
Output for 4.3.2 - 4.3.4
<br /> <b>Parse error</b>: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in <b>/in/HaKUn</b> on line <b>9</b><br />
Process exited with code 255.
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