{"id":645797,"date":"2012-12-03T02:27:07","date_gmt":"2012-12-03T02:27:07","guid":{"rendered":"http:\/\/www.xptt.com\/?p=645797"},"modified":"2014-11-03T21:00:08","modified_gmt":"2014-11-03T13:00:08","slug":"the-wordpress-free-plug-thumbnail-support-outside-the-chain-figure","status":"publish","type":"post","link":"https:\/\/xptt.com\/645797.html","title":{"rendered":"wordpress\u514d\u63d2\u4ef6\u7f29\u7565\u56fe\u652f\u6301\u5916\u94fe\u56fe"},"content":{"rendered":"

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<?php
\nfunction catch_that_image() {
\nglobal $post, $posts;
\n$first_img = '';
\nob_start();
\nob_end_clean();
\n$output = preg_match_all('\/<img.+src=[\\'\"]([^\\'\"]+)[\\'\"].*>\/i', $post->post_content, $matches);
\n$first_img = $matches [1] [0];
\nif(empty($first_img)){ \/\/Defines a default image
\n$first_img = \"\/images\/default.jpg\";}return $first_img;}<\/p>\n

?><\/p><\/blockquote>\n

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\n\u800c\u4e0d\u662fhost\/images\/default.jpg\uff0c\u53e6\u5916\u6211\u60f3\u5b9e\u73b0\u9ed8\u8ba4\u56fe\u7247\u4e3a\u6307\u5b9a\u76ee\u5f55\u4e0b\u7684\u968f\u673a\u56fe\u7247\uff0c\u800c\u4e0d\u662f\u5168\u90fd\u4e00\u6837\u7684\uff0c\u5e94\u8be5\u5982\u4f55\u5b9e\u73b0\u4e86\uff1f<\/p>\n

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\u7f51\u4e0a\u65b9\u6cd5\u5982\u4e0b\uff1a<\/p>\n

<?php
\nfunction catch_that_image() {
\n$tu=rand(1,10);
\nglobal $post, $posts;
\n$first_img = '';
\nob_start();
\nob_end_clean();
\n$output = preg_match_all('\/<img.+src=[\\'\"]([^\\'\"]+)[\\'\"].*>\/i', $post->post_content, $matches);
\n$first_img = bloginfo('template_url').$matches [1] [0];
\nif ($matches[1][0]=='') {
\n$first_img = '\/images\/rand\/'.$tu.'.jpg'; \/\/\u5982\u679c\u6587\u7ae0\u6ca1\u6709\u56fe\u7247\u5219\u968f\u673a\u8c03\u7528\u9ed8\u8ba4\u56fe\u7247
\n}
\nreturn $first_img;}<\/p>\n

?><\/p><\/blockquote>\n

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function catch_that_image() {
\n$tu=rand(1,10);
\nglobal $post, $posts;
\n$first_img = '';
\nob_start();
\nob_end_clean();
\n$output = preg_match_all('\/<img.+src=[\\'\"]([^\\'\"]+)[\\'\"].*>\/i', $post->post_content, $matches);
\n$first_img = $matches [1] [0];
\nif(empty($first_img)){ \/\/Defines a default image
\n$first_img = bloginfo('template_url').\"\/images\/rand\/\".$tu.\".jpg\";}<\/p>\n

return $first_img;}<\/p><\/blockquote>\n

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