diff options
Diffstat (limited to 'system')
| -rw-r--r-- | system/core/Router.php | 90 |
1 files changed, 57 insertions, 33 deletions
diff --git a/system/core/Router.php b/system/core/Router.php index 5bc053045..a5d01b1ee 100644 --- a/system/core/Router.php +++ b/system/core/Router.php @@ -354,39 +354,63 @@ class CI_Router { * @return void */ protected function _parse_routes() - { - // Turn the segment array into a URI string - $uri = implode('/', $this->uri->segments); - - // Is there a literal match? If so we're done - if (isset($this->routes[$uri])) - { - return $this->_set_request(explode('/', $this->routes[$uri])); - } - - // Loop through the route array looking for wild-cards - foreach ($this->routes as $key => $val) - { - // Convert wild-cards to RegEx - $key = str_replace(array(':any', ':num'), array('.+', '[0-9]+'), $key); - - // Does the RegEx match? - if (preg_match('#^'.$key.'$#', $uri)) - { - // Do we have a back-reference? - if (strpos($val, '$') !== FALSE && strpos($key, '(') !== FALSE) - { - $val = preg_replace('#^'.$key.'$#', $val, $uri); - } - - return $this->_set_request(explode('/', $val)); - } - } - - // If we got this far it means we didn't encounter a - // matching route so we'll set the site default route - $this->_set_request($this->uri->segments); - } + { + // Turn the segment array into a URI string + $uri = implode('/', $this->uri->segments); + + // Is there a literal match? If so we're done + if (isset($this->routes[$uri])) + { + return $this->_set_request(explode('/', $this->routes[$uri])); + } + + // Loop through the route array looking for wild-cards + foreach ($this->routes as $key => $val) + { + // Convert wild-cards to RegEx + $key = str_replace(':any', '.+', str_replace(':num', '[0-9]+', $key)); + + // Does the RegEx match? + if (preg_match('#^'.$key.'$#', $uri, $matches)) + { + // Are we using a callback? + $callable = is_callable($val); + + // Are we using callbacks to process back-references? + if($callable){ + // Remove the original string from the matches array. + array_shift($matches); + + // Get the match count. + $matchCount = count($matches); + + // Determine how many parameters the callback has. + $reflection = new ReflectionFunction($val); + $paramCount = count($reflection->getParameters()); + + // Are there more parameters than matches? + if($paramCount > $matchCount){ + // Set any extra params to empty string. + $matches = array_merge($matches, array_fill($matchCount, $paramCount - $matchCount, '')); + } + + // execute callback using matches as its parameters. + $val = call_user_func_array($val, $matches); + } + // Are we using the default routing method for back-references? + else if (strpos($val, '$') !== FALSE AND strpos($key, '(') !== FALSE) + { + $val = preg_replace('#^'.$key.'$#', $val, $uri); + } + + return $this->_set_request(explode('/', $val)); + } + } + + // If we got this far it means we didn't encounter a + // matching route so we'll set the site default route + $this->_set_request($this->uri->segments); + } // -------------------------------------------------------------------- |