mirror of
https://github.com/pierre42100/comunic
synced 2024-09-29 03:22:49 +00:00
49 lines
1.8 KiB
PHP
49 lines
1.8 KiB
PHP
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<?php
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//This file extract the title, the description and the image of a webpage, which are indicated in <meta og: markups
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function analyse_source_page($source)
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{
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//Préparation de l'analyse
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$page_title = null;
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$page_description = null;
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$page_image = null;
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//Analysing datas
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preg_match_all('#<meta (.*?)>#is', $source, $result,PREG_PATTERN_ORDER);
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//Fetching
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$liste_types = array(
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array('title' => 'page_title', 'pattern' => '<property="og:title">', 'begining' => 'content="', 'ending' => '"'),
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array('title' => 'page_title', 'pattern' => "<property='og:title'>", 'begining' => "content='", 'ending' => "'"),
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array('title' => 'page_description', 'pattern' => "<property='og:description'>", 'begining' => "content='", 'ending' => "'"),
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array('title' => 'page_description', 'pattern' => '<property="og:description">', 'begining' => 'content="', 'ending' => '"'),
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array('title' => 'page_image', 'pattern' => '<property="og:image">', 'begining' => 'content="', 'ending' => '"'),
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array('title' => 'page_image', 'pattern' => "<property='og:image'>", 'begining' => "content='", 'ending' => "'"),
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);
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//Analysing list
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foreach($result[1] as $fetching)
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{
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//Parcours des types de traitement
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foreach($liste_types as $fetching_infos)
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{
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//Preparing
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$fetching = str_replace(' =', '=', $fetching);
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//Vérification de la présence des informations
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if(preg_match($fetching_infos['pattern'], $fetching))
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{
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$begining = $fetching_infos['begining'];
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$ending = $fetching_infos['ending'];
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$title = $fetching_infos['title'];
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$content = strstr($fetching, $begining);
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$content = str_replace($begining, '', $content);
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$content = strstr($content, $ending, true);
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${$title} = $content;
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}
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}
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}
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//Sending result
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return array('title' => $page_title, 'description' => $page_description, 'image' => $page_image);
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}
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