批量设置图片尺寸
ycc
5 years ago
parent
0ad7109294
commit
c0e5d62b5f
@ -0,0 +1,74 @@
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<?php
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if (!defined('BASEPATH'))
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exit('No direct script access allowed');
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/*
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* HTML的优化处理的类库
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*/
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class html_optimize_lib
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{
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var $CI;
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public function __construct()
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{
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$this->CI = &get_instance();
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$this->CI->load->model('Information_model');
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$this->CI->load->model('InfoMetas_model');
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$this->CI->load->library('simple_html_dom_lib');
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}
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//获取图片尺寸
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public function set_image_size($html)
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{
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$html_object = str_get_html($html);
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//拼接图片链接，获取尺寸
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$request_size = array();
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foreach ($html_object->find('img') as $image) {
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$img_src = $image->src;
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if (!empty($image->originalsrc)) {
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$img_src = $image->originalsrc;
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}
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if (strpos($img_src, '//data.') !== false || strpos($img_src, '//images.') !== false) {//以data或者images开头的域名才能获取尺寸
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$img_src_urls = parse_url($img_src);
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$request_size[$img_src_urls['host']][] = $img_src_urls['path'];
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}
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}
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//请求图片尺寸
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$image_sizes = array();
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foreach ($request_size as $host => $path) {
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$parse_url = "https://{$host}/imagesize.php?photo=" . implode(',', $path);
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$size_data = GET_HTTP($parse_url);
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if (!empty($size_data)) {
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$size_data = json_decode($size_data);
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foreach ($size_data as $size_item) {
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$size_item->photo = "https://{$host}" . $size_item->photo;
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$image_sizes[$size_item->photo] = $size_item;
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}
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}
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}
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//把尺寸写入html内容中
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foreach ($html_object->find('img') as $image) {
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$img_src = $image->src;
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if (!empty($image->originalsrc)) {
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$img_src = $image->originalsrc;
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}
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if(!empty($image_sizes[$img_src])){
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$image->width=$image_sizes[$img_src]->width;
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$image->height=$image_sizes[$img_src]->height;
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}
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}
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return $html_object;
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//print_r($request_size);
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//print_r($image_sizes);
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}
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}
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