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1 | <?php |
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2 | |||
3 | namespace Kunstmaan\RedirectBundle\Router; |
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4 | |||
5 | use Doctrine\Common\Persistence\ObjectRepository; |
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6 | use Kunstmaan\AdminBundle\Helper\DomainConfigurationInterface; |
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7 | use Kunstmaan\RedirectBundle\Entity\Redirect; |
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8 | use Symfony\Component\Routing\Exception\RouteNotFoundException; |
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9 | use Symfony\Component\Routing\Matcher\UrlMatcher; |
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10 | use Symfony\Component\Routing\RequestContext; |
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11 | use Symfony\Component\Routing\Route; |
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12 | use Symfony\Component\Routing\RouteCollection; |
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13 | use Symfony\Component\Routing\RouterInterface; |
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14 | |||
15 | class RedirectRouter implements RouterInterface |
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16 | { |
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17 | /** @var RequestContext */ |
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18 | private $context; |
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19 | |||
20 | /** @var RouteCollection */ |
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21 | private $routeCollection; |
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22 | |||
23 | /** @var ObjectRepository */ |
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24 | private $redirectRepository; |
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25 | |||
26 | /** @var DomainConfigurationInterface */ |
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27 | private $domainConfiguration; |
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28 | |||
29 | /** |
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30 | * @param ObjectRepository $redirectRepository |
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31 | * @param DomainConfigurationInterface $domainConfiguration |
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32 | */ |
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33 | 5 | public function __construct(ObjectRepository $redirectRepository, DomainConfigurationInterface $domainConfiguration) |
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34 | { |
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35 | 5 | $this->redirectRepository = $redirectRepository; |
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36 | 5 | $this->domainConfiguration = $domainConfiguration; |
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37 | 5 | $this->context = new RequestContext(); |
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38 | 5 | } |
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39 | |||
40 | /** |
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41 | * Generates a URL or path for a specific route based on the given parameters. |
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42 | * |
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43 | * Parameters that reference placeholders in the route pattern will substitute them in the |
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44 | * path or host. Extra params are added as query string to the URL. |
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45 | * |
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46 | * When the passed reference type cannot be generated for the route because it requires a different |
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47 | * host or scheme than the current one, the method will return a more comprehensive reference |
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48 | * that includes the required params. For example, when you call this method with $referenceType = ABSOLUTE_PATH |
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49 | * but the route requires the https scheme whereas the current scheme is http, it will instead return an |
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50 | * ABSOLUTE_URL with the https scheme and the current host. This makes sure the generated URL matches |
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51 | * the route in any case. |
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52 | * |
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53 | * If there is no route with the given name, the generator must throw the RouteNotFoundException. |
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54 | * |
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55 | * @param string $name The name of the route |
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56 | * @param mixed $parameters An array of parameters |
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57 | * @param bool|string $referenceType The type of reference to be generated (one of the constants) |
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58 | * |
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59 | * @return string The generated URL |
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60 | * |
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61 | * @throws \Symfony\Component\Routing\Exception\RouteNotFoundException If the named route doesn't exist |
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62 | * @throws \Symfony\Component\Routing\Exception\MissingMandatoryParametersException When some parameters are missing that are mandatory for the route |
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63 | * @throws \Symfony\Component\Routing\Exception\InvalidParameterException When a parameter value for a placeholder is not correct because |
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64 | * it does not match the requirement |
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65 | * |
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66 | * @api |
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67 | */ |
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68 | 1 | public function generate($name, $parameters = array(), $referenceType = self::ABSOLUTE_PATH) |
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69 | { |
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70 | 1 | throw new RouteNotFoundException('You cannot generate a url from a redirect'); |
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71 | } |
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72 | |||
73 | /** |
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74 | * Tries to match a URL path with a set of routes. |
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75 | * |
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76 | * If the matcher can not find information, it must throw one of the exceptions documented |
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77 | * below. |
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78 | * |
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79 | * @param string $pathinfo The path info to be parsed (raw format, i.e. not urldecoded) |
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80 | * |
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81 | * @return array An array of parameters |
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82 | * |
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83 | * @throws \Symfony\Component\Routing\Exception\ResourceNotFoundException If the resource could not be found |
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84 | * @throws \Symfony\Component\Routing\Exception\MethodNotAllowedException If the resource was found but the request method is not allowed |
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85 | * |
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86 | * @api |
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87 | */ |
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88 | 1 | public function match($pathinfo) |
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89 | { |
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90 | 1 | $urlMatcher = new UrlMatcher($this->getRouteCollection(), $this->getContext()); |
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91 | |||
92 | 1 | return $urlMatcher->match($pathinfo); |
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93 | } |
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94 | |||
95 | /** |
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96 | * Gets the RouteCollection instance associated with this Router. |
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97 | * |
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98 | * @return \Symfony\Component\Routing\RouteCollection A RouteCollection instance |
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99 | */ |
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100 | 3 | public function getRouteCollection() |
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101 | { |
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102 | 3 | if (\is_null($this->routeCollection)) { |
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103 | 3 | $this->routeCollection = new RouteCollection(); |
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104 | 3 | $this->initRoutes(); |
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105 | } |
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106 | |||
107 | 3 | return $this->routeCollection; |
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108 | } |
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109 | |||
110 | 3 | private function initRoutes() |
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111 | { |
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112 | 3 | $redirects = $this->redirectRepository->findAll(); |
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113 | 3 | $domain = $this->domainConfiguration->getHost(); |
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114 | |||
115 | /** @var Redirect $redirect */ |
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116 | 3 | foreach ($redirects as $redirect) { |
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117 | // Check for wildcard routing and adjust as required |
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118 | 3 | if ($this->isWildcardRedirect($redirect)) { |
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119 | $route = $this->createWildcardRoute($redirect); |
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120 | } else { |
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121 | 3 | $route = $this->createRoute($redirect); |
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122 | } |
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123 | |||
124 | // Only add the route when the domain matches or the domain is empty |
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125 | 3 | if ($redirect->getDomain() == $domain || !$redirect->getDomain()) { |
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126 | 3 | $this->routeCollection->add( |
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127 | 3 | '_redirect_route_' . $redirect->getId(), |
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128 | $route |
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129 | ); |
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130 | } |
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131 | } |
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132 | 3 | } |
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133 | |||
134 | /** |
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135 | * @param Redirect $redirect |
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136 | * |
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137 | * @return bool |
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138 | */ |
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139 | 3 | private function isWildcardRedirect(Redirect $redirect) |
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140 | { |
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141 | 3 | $origin = $redirect->getOrigin(); |
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142 | 3 | $matchSegment = substr($origin, 0, -1); |
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143 | 3 | if (substr($origin, -2) == '/*') { |
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144 | return $this->isPathInfoWildcardMatch($matchSegment); |
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145 | } |
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146 | |||
147 | 3 | return false; |
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148 | } |
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149 | |||
150 | private function isPathInfoWildcardMatch($matchSegment) |
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151 | { |
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152 | $path = $this->context->getPathInfo(); |
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153 | |||
154 | return strstr($path, $matchSegment); |
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155 | } |
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156 | |||
157 | /** |
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158 | * @param Redirect $redirect |
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159 | * |
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160 | * @return Route |
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161 | */ |
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162 | 3 | private function createRoute(Redirect $redirect) |
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163 | { |
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164 | 3 | $needsUtf8 = false; |
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165 | 3 | foreach ([$redirect->getOrigin(), $redirect->getTarget()] as $item) { |
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166 | 3 | if (preg_match('/[\x80-\xFF]/', $item)) { |
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167 | 3 | $needsUtf8 = true; |
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168 | |||
169 | 3 | break; |
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170 | } |
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171 | } |
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172 | |||
173 | 3 | return new Route( |
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174 | 3 | $redirect->getOrigin(), [ |
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175 | 3 | '_controller' => 'FrameworkBundle:Redirect:urlRedirect', |
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176 | 3 | 'path' => $redirect->getTarget(), |
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177 | 3 | 'permanent' => $redirect->isPermanent(), |
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178 | 3 | ], [], ['utf8' => $needsUtf8]); |
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179 | } |
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180 | |||
181 | /** |
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182 | * @param Redirect $redirect |
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183 | * |
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184 | * @return Route |
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185 | */ |
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186 | private function createWildcardRoute(Redirect $redirect) |
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187 | { |
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188 | $origin = $redirect->getOrigin(); |
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189 | $target = $redirect->getTarget(); |
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190 | $url = $this->context->getPathInfo(); |
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191 | $needsUtf8 = preg_match('/[\x80-\xFF]/', $redirect->getTarget()); |
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192 | |||
193 | $origin = substr($origin, 0, -1); |
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194 | $target = substr($target, 0, -1); |
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195 | $pathInfo = str_replace($origin, $target, $url); |
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196 | |||
197 | $this->context->setPathInfo($pathInfo); |
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198 | |||
199 | return new Route($url, [ |
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200 | '_controller' => 'FrameworkBundle:Redirect:urlRedirect', |
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201 | 'path' => $url, |
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202 | 'permanent' => $redirect->isPermanent(), |
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203 | ], [], ['utf8' => $needsUtf8]); |
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204 | } |
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205 | |||
206 | /** |
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207 | * Gets the request context. |
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208 | * |
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209 | * @return \Symfony\Component\Routing\RequestContext The context |
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210 | * |
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211 | * @api |
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212 | */ |
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213 | 2 | public function getContext() |
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214 | { |
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215 | 2 | return $this->context; |
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216 | } |
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217 | |||
218 | /** |
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219 | * Sets the request context. |
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220 | * |
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221 | * @param RequestContext $context The context |
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222 | * |
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223 | * @api |
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224 | */ |
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225 | 1 | public function setContext(RequestContext $context) |
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226 | { |
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227 | 1 | $this->context = $context; |
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228 | 1 | } |
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229 | } |
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230 |
In PHP, under loose comparison (like
==
, or!=
, orswitch
conditions), values of different types might be equal.For
string
values, the empty string''
is a special case, in particular the following results might be unexpected: