标签: css

WordPress首页获取缩略图并控制尺寸

首先,首页获取缩略图代码:

function catch_that_image() {
global $post, $posts;
$first_img ="";
ob_start();
ob_end_clean();
$output = preg_match_all('/<img.+src=[\'"]([^\'"]+)[\'"].*>/i', $post->post_content, $matches);
$first_img = $matches [1] [0];
if(empty($first_img)){ //Defines a default image
$first_img = "http://127.0.0.1/default.jpg";
}
return $first_img;
}

index.php文件中调用:

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