mundschenk-at /
php-typography
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| Total Complexity | 52 |
| Total Lines | 426 |
| Duplicated Lines | 0 % |
| Coverage | 100% |
| Changes | 0 | ||
Complex classes like PHP_Typography often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use PHP_Typography, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 46 | class PHP_Typography { |
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| 47 | |||
| 48 | /** |
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| 49 | * A DOM-based HTML5 parser. |
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| 50 | * |
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| 51 | * @var \Masterminds\HTML5 |
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| 52 | */ |
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| 53 | private $html5_parser; |
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| 54 | |||
| 55 | /** |
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| 56 | * The hyphenator cache. |
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| 57 | * |
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| 58 | * @var Hyphenator\Cache |
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| 59 | */ |
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| 60 | protected $hyphenator_cache; |
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| 61 | |||
| 62 | /** |
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| 63 | * The node fixes registry. |
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| 64 | * |
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| 65 | * @var Registry|null; |
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| 66 | */ |
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| 67 | private $registry; |
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| 68 | |||
| 69 | /** |
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| 70 | * Whether the Hyphenator\Cache of the $registry needs to be updated. |
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| 71 | * |
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| 72 | * @var bool |
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| 73 | */ |
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| 74 | private $update_registry_cache; |
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| 75 | |||
| 76 | /** |
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| 77 | * Sets up a new PHP_Typography object. |
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| 78 | * |
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| 79 | * @param Registry|null $registry Optional. A fix registry instance. Default null, |
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| 80 | * meaning the default fixes are used. |
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| 81 | */ |
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| 82 | 1 | public function __construct( Registry $registry = null ) { |
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| 83 | 1 | $this->registry = $registry; |
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| 84 | 1 | $this->update_registry_cache = ! empty( $registry ); |
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| 85 | 1 | } |
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| 86 | |||
| 87 | /** |
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| 88 | * Modifies $html according to the defined settings. |
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| 89 | * |
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| 90 | * @since 6.0.0 Parameter $body_classes added. |
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| 91 | * |
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| 92 | * @param string $html A HTML fragment. |
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| 93 | * @param Settings $settings A settings object. |
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| 94 | * @param bool $is_title Optional. If the HTML fragment is a title. Default false. |
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| 95 | * @param string[] $body_classes Optional. CSS classes added to the virtual |
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| 96 | * <body> element used for processing. Default []. |
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| 97 | * |
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| 98 | * @return string The processed $html. |
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| 99 | */ |
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| 100 | 35 | public function process( $html, Settings $settings, $is_title = false, array $body_classes = [] ) { |
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| 104 | } |
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| 105 | |||
| 106 | /** |
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| 107 | * Modifies $html according to the defined settings, in a way that is appropriate for RSS feeds |
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| 108 | * (i.e. excluding processes that may not display well with limited character set intelligence). |
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| 109 | * |
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| 110 | * @since 6.0.0 Parameter $body_classes added. |
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| 111 | * |
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| 112 | * @param string $html A HTML fragment. |
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| 113 | * @param Settings $settings A settings object. |
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| 114 | * @param bool $is_title Optional. If the HTML fragment is a title. Default false. |
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| 115 | * @param string[] $body_classes Optional. CSS classes added to the virtual |
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| 116 | * <body> element used for processing. Default []. |
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| 117 | * |
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| 118 | * @return string The processed $html. |
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| 119 | */ |
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| 120 | 35 | public function process_feed( $html, Settings $settings, $is_title = false, array $body_classes = [] ) { |
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| 124 | } |
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| 125 | |||
| 126 | /** |
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| 127 | * Applies specific fixes to all textnodes of the HTML fragment. |
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| 128 | * |
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| 129 | * @since 6.0.0 Parameter $body_classes added. |
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| 130 | * |
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| 131 | * @param string $html A HTML fragment. |
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| 132 | * @param callable $fixer A callback that applies typography fixes to a single textnode. |
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| 133 | * @param Settings $settings A settings object. |
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| 134 | * @param bool $is_title Optional. If the HTML fragment is a title. Default false. |
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| 135 | * @param string[] $body_classes Optional. CSS classes added to the virtual |
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| 136 | * <body> element used for processing. Default []. |
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| 137 | * |
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| 138 | * @return string The processed $html. |
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| 139 | */ |
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| 140 | 68 | public function process_textnodes( $html, callable $fixer, Settings $settings, $is_title = false, array $body_classes = [] ) { |
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| 141 | 68 | if ( isset( $settings['ignoreTags'] ) && $is_title && ( \in_array( 'h1', /** Array. @scrutinizer ignore-type */ $settings['ignoreTags'], true ) || \in_array( 'h2', /** Array. @scrutinizer ignore-type */ $settings['ignoreTags'], true ) ) ) { |
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| 142 | 33 | return $html; |
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| 143 | } |
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| 144 | |||
| 145 | // Lazy-load our parser (the text parser is not needed for feeds). |
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| 146 | 35 | $html5_parser = $this->get_html5_parser(); |
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| 147 | |||
| 148 | // Parse the HTML. |
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| 149 | 35 | $dom = $this->parse_html( $html5_parser, $html, $settings, $body_classes ); |
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| 150 | |||
| 151 | // Abort if there were parsing errors. |
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| 152 | 35 | if ( empty( $dom ) ) { |
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| 153 | 2 | return $html; |
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| 154 | } |
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| 155 | |||
| 156 | // Query some nodes in the DOM. |
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| 157 | 33 | $xpath = new \DOMXPath( $dom ); |
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| 158 | 33 | $body_node = $xpath->query( '/html/body' )->item( 0 ); |
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| 159 | 33 | $tags_to_ignore = $this->query_tags_to_ignore( $xpath, $body_node, $settings ); |
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| 160 | |||
| 161 | // Start processing. |
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| 162 | 33 | foreach ( $xpath->query( '//text()', $body_node ) as $textnode ) { |
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| 163 | if ( |
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| 164 | // One of the ancestors should be ignored. |
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| 165 | 30 | self::arrays_intersect( DOM::get_ancestors( $textnode ), $tags_to_ignore ) || |
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| 166 | // The node contains only whitespace. |
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| 167 | 30 | $textnode->isWhitespaceInElementContent() |
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| 168 | ) { |
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| 169 | 3 | continue; |
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| 170 | } |
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| 171 | |||
| 172 | // Store original content. |
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| 173 | 27 | $original = $textnode->data; |
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| 174 | |||
| 175 | // Apply fixes. |
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| 176 | 27 | $fixer( $textnode, $settings, $is_title ); |
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| 177 | |||
| 178 | // Until now, we've only been working on a textnode: HTMLify result. |
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| 179 | 27 | $new = $textnode->data; |
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| 180 | |||
| 181 | // Replace original node (if anthing was changed). |
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| 182 | 27 | if ( $new !== $original ) { |
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| 183 | 27 | $this->replace_node_with_html( $textnode, $new ); |
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| 184 | } |
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| 185 | } |
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| 186 | |||
| 187 | 33 | return $html5_parser->saveHTML( $body_node->childNodes ); |
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| 188 | } |
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| 189 | |||
| 190 | /** |
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| 191 | * Determines whether two object arrays intersect. The second array is expected |
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| 192 | * to use the spl_object_hash for its keys. |
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| 193 | * |
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| 194 | * @param array $array1 The keys are ignored. |
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| 195 | * @param array $array2 This array has to be in the form ( $spl_object_hash => $object ). |
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| 196 | * |
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| 197 | * @return boolean |
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| 198 | */ |
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| 199 | 4 | protected static function arrays_intersect( array $array1, array $array2 ) { |
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| 200 | 4 | foreach ( $array1 as $value ) { |
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| 201 | 2 | if ( isset( $array2[ \spl_object_hash( $value ) ] ) ) { |
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| 202 | 2 | return true; |
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| 203 | } |
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| 204 | } |
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| 205 | |||
| 206 | 3 | return false; |
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| 207 | } |
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| 208 | |||
| 209 | /** |
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| 210 | * Parse HTML5 fragment while ignoring certain warnings for invalid HTML code (e.g. duplicate IDs). |
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| 211 | * |
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| 212 | * @since 6.0.0 Parameter $body_classes added. |
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| 213 | * |
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| 214 | * @param \Masterminds\HTML5 $parser An intialized parser object. |
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| 215 | * @param string $html The HTML fragment to parse (not a complete document). |
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| 216 | * @param Settings $settings The settings to apply. |
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| 217 | * @param string[] $body_classes Optional. CSS classes added to the virtual |
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| 218 | * <body> element used for processing. Default []. |
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| 219 | * |
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| 220 | * @return \DOMDocument|null The encoding has already been set to UTF-8. Returns null if there were parsing errors. |
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| 221 | */ |
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| 222 | 69 | public function parse_html( \Masterminds\HTML5 $parser, $html, Settings $settings, array $body_classes = [] ) { |
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| 223 | // Silence some parsing errors for invalid HTML. |
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| 224 | 69 | \set_error_handler( [ $this, 'handle_parsing_errors' ] ); // @codingStandardsIgnoreLine |
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| 225 | 69 | $xml_error_handling = \libxml_use_internal_errors( true ); |
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| 226 | |||
| 227 | // Inject <body> classes. |
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| 228 | 69 | $body = empty( $body_classes ) ? 'body' : 'body class="' . \implode( ' ', $body_classes ) . '"'; |
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| 229 | |||
| 230 | // Do the actual parsing. |
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| 231 | 69 | $dom = $parser->loadHTML( "<!DOCTYPE html><html><{$body}>{$html}</body></html>" ); |
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| 232 | 69 | $dom->encoding = 'UTF-8'; |
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| 233 | |||
| 234 | // Restore original error handling. |
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| 235 | 69 | \libxml_clear_errors(); |
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| 236 | 69 | \libxml_use_internal_errors( $xml_error_handling ); |
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| 237 | 69 | \restore_error_handler(); |
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| 238 | |||
| 239 | // Handle any parser errors. |
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| 240 | 69 | $errors = $parser->getErrors(); |
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| 241 | 69 | if ( ! empty( $settings['parserErrorsHandler'] ) && ! empty( $errors ) ) { |
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| 242 | 2 | $errors = $settings['parserErrorsHandler']( $errors ); |
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| 243 | } |
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| 244 | |||
| 245 | // Return null if there are still unhandled parsing errors. |
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| 246 | 69 | if ( ! empty( $errors ) && ! $settings['parserErrorsIgnore'] ) { |
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| 247 | 2 | $dom = null; |
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| 248 | } |
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| 249 | |||
| 250 | 69 | return $dom; |
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| 251 | } |
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| 252 | |||
| 253 | /** |
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| 254 | * Silently handle certain HTML parsing errors. |
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| 255 | * |
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| 256 | * @since 6.0.0 Unused parameters $errline and $errcontext removed. |
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| 257 | * |
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| 258 | * @param int $errno Error number. |
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| 259 | * @param string $errstr Error message. |
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| 260 | * @param string $errfile The file in which the error occurred. |
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| 261 | * |
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| 262 | * @return boolean Returns true if the error was handled, false otherwise. |
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| 263 | */ |
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| 264 | 4 | public function handle_parsing_errors( $errno, $errstr, $errfile ) { |
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| 265 | 4 | if ( ! ( \error_reporting() & $errno ) ) { // @codingStandardsIgnoreLine. |
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| 266 | 4 | return true; // not interesting. |
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| 267 | } |
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| 268 | |||
| 269 | // Ignore warnings from parser & let PHP handle the rest. |
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| 270 | 4 | return $errno & E_USER_WARNING && 0 === \substr_compare( $errfile, 'DOMTreeBuilder.php', -18 ); |
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| 271 | } |
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| 272 | |||
| 273 | /** |
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| 274 | * Retrieves an array of nodes that should be skipped during processing. |
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| 275 | * |
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| 276 | * @param \DOMXPath $xpath A valid XPath instance for the DOM to be queried. |
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| 277 | * @param \DOMNode $initial_node The starting node of the XPath query. |
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| 278 | * @param Settings $settings The settings to apply. |
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| 279 | * |
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| 280 | * @return \DOMNode[] An array of \DOMNode (can be empty). |
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| 281 | */ |
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| 282 | 1 | public function query_tags_to_ignore( \DOMXPath $xpath, \DOMNode $initial_node, Settings $settings ) { |
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| 283 | 1 | $elements = []; |
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| 284 | 1 | $query_parts = []; |
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| 285 | 1 | if ( ! empty( $settings['ignoreTags'] ) ) { |
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| 286 | 1 | $query_parts[] = '//' . \implode( ' | //', /** Array. @scrutinizer ignore-type */ $settings['ignoreTags'] ); |
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| 287 | } |
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| 288 | 1 | if ( ! empty( $settings['ignoreClasses'] ) ) { |
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| 289 | 1 | $query_parts[] = "//*[contains(concat(' ', @class, ' '), ' " . \implode( " ') or contains(concat(' ', @class, ' '), ' ", /** Array. @scrutinizer ignore-type */ $settings['ignoreClasses'] ) . " ')]"; |
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| 290 | } |
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| 291 | 1 | if ( ! empty( $settings['ignoreIDs'] ) ) { |
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| 292 | 1 | $query_parts[] = '//*[@id=\'' . \implode( '\' or @id=\'', /** Array. @scrutinizer ignore-type */ $settings['ignoreIDs'] ) . '\']'; |
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| 293 | } |
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| 294 | |||
| 295 | 1 | if ( ! empty( $query_parts ) ) { |
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| 296 | 1 | $ignore_query = \implode( ' | ', $query_parts ); |
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| 297 | |||
| 298 | 1 | $nodelist = $xpath->query( $ignore_query, $initial_node ); |
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| 299 | 1 | if ( false !== $nodelist ) { |
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| 300 | 1 | $elements = DOM::nodelist_to_array( $nodelist ); |
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| 301 | } |
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| 302 | } |
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| 303 | |||
| 304 | 1 | return $elements; |
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| 305 | } |
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| 306 | |||
| 307 | /** |
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| 308 | * Replaces the given node with HTML content. Uses the HTML5 parser. |
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| 309 | * |
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| 310 | * @param \DOMNode $node The node to replace. |
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| 311 | * @param string $content The HTML fragment used to replace the node. |
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| 312 | * |
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| 313 | * @return \DOMNode|array An array of \DOMNode containing the new nodes or the old \DOMNode if the replacement failed. |
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| 314 | */ |
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| 315 | 2 | public function replace_node_with_html( \DOMNode $node, $content ) { |
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| 347 | } |
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| 348 | |||
| 349 | /** |
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| 350 | * Retrieves the fix registry. |
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| 351 | * |
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| 352 | * @return Registry |
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| 353 | */ |
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| 354 | 2 | public function get_registry() { |
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| 355 | 2 | if ( ! isset( $this->registry ) ) { |
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| 356 | 1 | $this->registry = new Default_Registry( $this->get_hyphenator_cache() ); |
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| 357 | 1 | } elseif ( $this->update_registry_cache ) { |
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| 358 | 1 | $this->registry->update_hyphenator_cache( $this->get_hyphenator_cache() ); |
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| 359 | 1 | $this->update_registry_cache = false; |
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| 360 | } |
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| 361 | |||
| 362 | 2 | return $this->registry; |
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| 363 | } |
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| 364 | |||
| 365 | /** |
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| 366 | * Retrieves the HTML5 parser instance. |
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| 367 | * |
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| 368 | * @return \Masterminds\HTML5 |
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| 369 | */ |
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| 370 | 1 | public function get_html5_parser() { |
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| 379 | } |
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| 380 | |||
| 381 | /** |
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| 382 | * Retrieves the hyphenator cache. |
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| 383 | * |
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| 384 | * @return Hyphenator\Cache |
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| 385 | */ |
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| 386 | 1 | public function get_hyphenator_cache() { |
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| 387 | 1 | if ( ! isset( $this->hyphenator_cache ) ) { |
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| 388 | 1 | $this->hyphenator_cache = new Hyphenator\Cache(); |
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| 389 | } |
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| 390 | |||
| 391 | 1 | return $this->hyphenator_cache; |
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| 392 | } |
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| 393 | |||
| 394 | /** |
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| 395 | * Injects an existing Hyphenator\Cache (to facilitate persistent language caching). |
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| 396 | * |
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| 397 | * @param Hyphenator\Cache $cache A hyphenator cache instance. |
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| 398 | */ |
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| 399 | 2 | public function set_hyphenator_cache( Hyphenator\Cache $cache ) { |
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| 405 | } |
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| 406 | 2 | } |
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| 407 | |||
| 408 | /** |
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| 409 | * Retrieves the list of valid language plugins in the given directory. |
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| 410 | * |
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| 411 | * @param string $path The path in which to look for language plugin files. |
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| 412 | * |
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| 413 | * @return string[] An array in the form ( $language_code => $language_name ). |
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| 414 | */ |
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| 415 | 3 | private static function get_language_plugin_list( $path ) { |
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| 416 | 3 | $languages = []; |
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| 417 | |||
| 418 | // Try to open the given directory. |
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| 419 | 3 | $handle = \opendir( $path ); |
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| 420 | 2 | if ( false === $handle ) { |
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| 421 | // Abort. |
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| 422 | return $languages; // @codeCoverageIgnore |
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| 423 | } |
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| 424 | |||
| 425 | // Read all files in directory. |
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| 426 | 2 | $file = \readdir( $handle ); |
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| 427 | 2 | while ( $file ) { |
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| 428 | // We only want the JSON files. |
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| 429 | 2 | if ( '.json' === \substr( $file, -5 ) ) { |
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| 430 | 2 | $file_content = \file_get_contents( $path . $file ); |
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| 431 | 2 | if ( \preg_match( '/"language"\s*:\s*((".+")|(\'.+\'))\s*,/', $file_content, $matches ) ) { |
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| 432 | 2 | $language_name = \substr( $matches[1], 1, -1 ); |
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| 433 | 2 | $language_code = \substr( $file, 0, -5 ); |
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| 434 | |||
| 435 | 2 | $languages[ $language_code ] = $language_name; |
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| 436 | } |
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| 437 | } |
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| 438 | |||
| 439 | // Read next file. |
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| 440 | 2 | $file = \readdir( $handle ); |
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| 441 | } |
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| 442 | 2 | \closedir( $handle ); |
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| 443 | |||
| 444 | // Sort translated language names according to current locale. |
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| 445 | 2 | \asort( $languages ); |
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| 446 | |||
| 447 | 2 | return $languages; |
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| 448 | } |
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| 449 | |||
| 450 | /** |
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| 451 | * Retrieves the list of valid hyphenation languages. |
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| 452 | * |
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| 453 | * Note that this method reads all the language files on disc, so you should |
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| 454 | * cache the results if possible. |
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| 455 | * |
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| 456 | * @return string[] An array in the form of ( LANG_CODE => LANGUAGE ). |
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| 457 | */ |
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| 458 | 1 | public static function get_hyphenation_languages() { |
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| 460 | } |
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| 461 | |||
| 462 | /** |
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| 463 | * Retrieves the list of valid diacritic replacement languages. |
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| 464 | * |
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| 465 | * Note that this method reads all the language files on disc, so you should |
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| 466 | * cache the results if possible. |
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| 467 | * |
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| 468 | * @return string[] An array in the form of ( LANG_CODE => LANGUAGE ). |
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| 469 | */ |
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| 470 | 1 | public static function get_diacritic_languages() { |
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| 472 | } |
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| 473 | } |
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| 474 |
This check looks for calls to methods that do not seem to exist on a given type. It looks for the method on the type itself as well as in inherited classes or implemented interfaces.
This is most likely a typographical error or the method has been renamed.