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1 | <?php |
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2 | |||
3 | namespace Kunstmaan\SeoBundle\Twig; |
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4 | |||
5 | use Doctrine\ORM\EntityManager; |
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6 | use Kunstmaan\AdminBundle\Entity\AbstractEntity; |
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7 | use Kunstmaan\NodeBundle\Entity\AbstractPage; |
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8 | use Kunstmaan\SeoBundle\Entity\Seo; |
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9 | use Psr\Cache\CacheItemPoolInterface; |
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10 | use Twig\Environment; |
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11 | use Twig\Extension\AbstractExtension; |
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12 | use Twig\TwigFunction; |
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13 | |||
14 | /** |
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15 | * Twig extensions for Seo |
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16 | * |
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17 | * @final since 5.4 |
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18 | */ |
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19 | class SeoTwigExtension extends AbstractExtension |
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20 | { |
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21 | /** |
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22 | * @var EntityManager |
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23 | */ |
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24 | protected $em; |
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25 | |||
26 | /** |
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27 | * Website title defined in your parameters |
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28 | * |
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29 | * @var string |
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30 | */ |
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31 | private $websiteTitle; |
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32 | |||
33 | /** |
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34 | * Saves querying the db multiple times, if you happen to use any of the defined |
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35 | * functions more than once in your templates |
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36 | * |
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37 | * @var array |
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38 | */ |
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39 | private $seoCache = []; |
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40 | |||
41 | /** |
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42 | * @var CacheItemPoolInterface |
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43 | */ |
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44 | private $requestCache; |
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45 | |||
46 | public function __construct(EntityManager $em) |
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47 | { |
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48 | $this->em = $em; |
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49 | } |
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50 | |||
51 | /** |
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52 | * Returns a list of functions to add to the existing list. |
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53 | * |
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54 | * @return array An array of functions |
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55 | */ |
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56 | public function getFunctions() |
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57 | { |
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58 | return [ |
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59 | new TwigFunction('render_seo_metadata_for', [$this, 'renderSeoMetadataFor'], ['is_safe' => ['html'], 'needs_environment' => true]), |
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60 | new TwigFunction('get_seo_for', [$this, 'getSeoFor']), |
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61 | new TwigFunction('get_title_for', [$this, 'getTitleFor']), |
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62 | new TwigFunction('get_title_for_page_or_default', [$this, 'getTitleForPageOrDefault']), |
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63 | new TwigFunction('get_absolute_url', [$this, 'getAbsoluteUrl']), |
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64 | new TwigFunction('get_image_dimensions', [$this, 'getImageDimensions']), |
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65 | ]; |
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66 | } |
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67 | |||
68 | /** |
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69 | * Validates the $url value as URL (according to » http://www.faqs.org/rfcs/rfc2396), optionally with required components. |
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70 | * It will just return the url if it's valid. If it starts with '/', the $host will be prepended. |
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71 | * |
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72 | * @param string $url |
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73 | * @param string $host |
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0 ignored issues
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74 | * |
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75 | * @return string |
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0 ignored issues
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76 | */ |
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77 | public function getAbsoluteUrl($url, $host = null) |
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78 | { |
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79 | $validUrl = filter_var($url, FILTER_VALIDATE_URL); |
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80 | $host = rtrim($host, '/'); |
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81 | |||
82 | if (!$validUrl === false) { |
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83 | // The url is valid |
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84 | return $url; |
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85 | } |
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86 | |||
87 | // Prepend with $host if $url starts with "/" |
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88 | if (strpos($url, '/') === 0) { |
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89 | return $url = $host . $url; |
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0 ignored issues
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$url is not used, you could remove the assignment.
This check looks for variable assignements that are either overwritten by other assignments or where the variable is not used subsequently. $myVar = 'Value';
$higher = false;
if (rand(1, 6) > 3) {
$higher = true;
} else {
$higher = false;
}
Both the
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90 | } |
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91 | |||
92 | return false; |
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93 | } |
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94 | |||
95 | /** |
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96 | * @return Seo |
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97 | */ |
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98 | public function getSeoFor(AbstractPage $entity) |
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99 | { |
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100 | $key = md5(\get_class($entity) . $entity->getId()); |
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101 | |||
102 | if (!\array_key_exists($key, $this->seoCache)) { |
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103 | $seo = $this->em->getRepository(Seo::class)->findOrCreateFor($entity); |
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104 | $this->seoCache[$key] = $seo; |
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105 | } |
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106 | |||
107 | return $this->seoCache[$key]; |
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108 | } |
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109 | |||
110 | /** |
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111 | * The first value that is not null or empty will be returned. |
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112 | * |
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113 | * @param AbstractPage $entity the entity for which you want the page title |
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114 | * |
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115 | * @return string The page title. Will look in the SEO meta first, then the NodeTranslation, then the page. |
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116 | */ |
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117 | public function getTitleFor(AbstractPage $entity) |
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118 | { |
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119 | $arr = []; |
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120 | |||
121 | $arr[] = $this->getSeoTitle($entity); |
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122 | |||
123 | $arr[] = $entity->getTitle(); |
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124 | |||
125 | return $this->getPreferredValue($arr); |
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126 | } |
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127 | |||
128 | /** |
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129 | * @param AbstractPage $entity |
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130 | * @param string|null $default if given we'll return this text if no SEO title was found |
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131 | * |
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132 | * @return string |
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133 | */ |
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134 | public function getTitleForPageOrDefault(AbstractPage $entity = null, $default = null) |
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135 | { |
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136 | if (\is_null($entity)) { |
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137 | return $default; |
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138 | } |
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139 | |||
140 | $arr = []; |
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141 | |||
142 | $arr[] = $this->getSeoTitle($entity); |
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143 | |||
144 | $arr[] = $default; |
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145 | |||
146 | $arr[] = $entity->getTitle(); |
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147 | |||
148 | return $this->getPreferredValue($arr); |
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149 | } |
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150 | |||
151 | /** |
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152 | * @param AbstractEntity $entity The entity |
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153 | * @param mixed $currentNode The current node |
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154 | * @param string $template The template |
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155 | * |
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156 | * @return string |
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157 | */ |
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158 | public function renderSeoMetadataFor(Environment $environment, AbstractEntity $entity, $currentNode = null, $template = '@KunstmaanSeo/SeoTwigExtension/metadata.html.twig') |
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159 | { |
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160 | $seo = $this->getSeoFor($entity); |
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161 | $template = $environment->load($template); |
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162 | |||
163 | return $template->render( |
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164 | [ |
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165 | 'seo' => $seo, |
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166 | 'entity' => $entity, |
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167 | 'currentNode' => $currentNode, |
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168 | ] |
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169 | ); |
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170 | } |
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171 | |||
172 | /** |
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173 | * @return string |
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174 | */ |
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175 | protected function getPreferredValue(array $values) |
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176 | { |
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177 | foreach ($values as $v) { |
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178 | if (!\is_null($v) && !empty($v)) { |
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179 | return $v; |
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180 | } |
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181 | } |
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182 | |||
183 | return ''; |
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184 | } |
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185 | |||
186 | /** |
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187 | * @param AbstractPage $entity |
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188 | * |
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189 | * @return string|null |
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190 | */ |
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191 | private function getSeoTitle(AbstractPage $entity = null) |
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192 | { |
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193 | if (\is_null($entity)) { |
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194 | return null; |
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195 | } |
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196 | |||
197 | $seo = $this->getSeoFor($entity); |
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198 | if (!\is_null($seo)) { |
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199 | $title = $seo->getMetaTitle(); |
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200 | if (!empty($title)) { |
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201 | return str_replace('%websitetitle%', $this->getWebsiteTitle(), $title); |
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202 | } |
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203 | } |
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204 | |||
205 | return null; |
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206 | } |
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207 | |||
208 | /** |
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209 | * Gets the Website title defined in your parameters. |
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210 | * |
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211 | * @return string |
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212 | */ |
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213 | public function getWebsiteTitle() |
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214 | { |
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215 | return $this->websiteTitle; |
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216 | } |
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217 | |||
218 | /** |
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219 | * Sets the Website title defined in your parameters. |
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220 | * |
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221 | * @param string $websiteTitle the website title |
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222 | * |
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223 | * @return self |
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224 | */ |
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225 | public function setWebsiteTitle($websiteTitle) |
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226 | { |
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227 | $this->websiteTitle = $websiteTitle; |
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228 | |||
229 | return $this; |
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230 | } |
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231 | |||
232 | /** |
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233 | * @param $src |
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234 | * |
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235 | * @return array |
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236 | */ |
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237 | public function getImageDimensions($src) |
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238 | { |
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239 | list($width, $height) = $this->getImageSize($src); |
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240 | |||
241 | return ['width' => $width, 'height' => $height]; |
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242 | } |
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243 | |||
244 | public function setRequestCache(CacheItemPoolInterface $cacheService) |
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245 | { |
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246 | $this->requestCache = $cacheService; |
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247 | } |
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248 | |||
249 | /** |
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250 | * @return CacheItemPoolInterface |
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251 | */ |
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252 | public function getRequestCache() |
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253 | { |
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254 | return $this->requestCache; |
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255 | } |
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256 | |||
257 | private function getImageSize($src) |
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258 | { |
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259 | try { |
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260 | $cache = $this->getRequestCache(); |
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261 | if (null === $cache) { |
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262 | return getimagesize($src); |
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263 | } |
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264 | |||
265 | $cachedImageSizes = $cache->getItem(md5($src)); |
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266 | if (!$cachedImageSizes->isHit()) { |
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267 | $sizes = getimagesize($src); |
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268 | |||
269 | $cachedImageSizes->set($sizes); |
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270 | $cache->save($cachedImageSizes); |
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271 | } |
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272 | |||
273 | return $cachedImageSizes->get(); |
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274 | } catch (\Exception $e) { |
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275 | return [null, null]; |
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276 | } |
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277 | } |
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278 | } |
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279 |
This check looks for
@param
annotations where the type inferred by our type inference engine differs from the declared type.It makes a suggestion as to what type it considers more descriptive.
Most often this is a case of a parameter that can be null in addition to its declared types.