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<?php function get_tumbail($imgSrc,$placeholder_image){ $imgPattern = "/(http\:\/\/ww\d+\.sinaimg\.cn\/)(\w+)(\/\S+\.(jpg|gif))/i"; $matches = null; $result = preg_match($imgPattern, $imgSrc, $matches); if (!$result) { return $placeholder_image; } return $matches[1] . 'thumbnail' . $matches[3]; } $placeholder_image = 'images/transparent.gif'; $imgStr = '<img src="http://ww2.sinaimg.cn/bmiddle/a3d444e3jw1ez79amvdi1j20l50s8gpl.jpg"/>'; $imgStr = preg_replace_callback('#<img([^>]+?)src=[\'"]?([^\'"\s>]+)[\'"]?([^>]*)>#',function($match) { var_dump($match); return sprintf('<img${1}src="%s" data-original="${2}" class="lazy"${3}><noscript><img${1}src="${2}"${3}></noscript>', get_tumbail($match[2],$placeholder_image)); },$imgStr); var_dump($imgStr);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
array(4) { [0]=> string(79) "<img src="http://ww2.sinaimg.cn/bmiddle/a3d444e3jw1ez79amvdi1j20l50s8gpl.jpg"/>" [1]=> string(1) " " [2]=> string(66) "http://ww2.sinaimg.cn/bmiddle/a3d444e3jw1ez79amvdi1j20l50s8gpl.jpg" [3]=> string(1) "/" } Warning: Undefined variable $placeholder_image in /in/u41cd on line 15 string(165) "<img${1}src="http://ww2.sinaimg.cn/thumbnail/a3d444e3jw1ez79amvdi1j20l50s8gpl.jpg" data-original="${2}" class="lazy"${3}><noscript><img${1}src="${2}"${3}></noscript>"
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
array(4) { [0]=> string(79) "<img src="http://ww2.sinaimg.cn/bmiddle/a3d444e3jw1ez79amvdi1j20l50s8gpl.jpg"/>" [1]=> string(1) " " [2]=> string(66) "http://ww2.sinaimg.cn/bmiddle/a3d444e3jw1ez79amvdi1j20l50s8gpl.jpg" [3]=> string(1) "/" } Notice: Undefined variable: placeholder_image in /in/u41cd on line 15 string(165) "<img${1}src="http://ww2.sinaimg.cn/thumbnail/a3d444e3jw1ez79amvdi1j20l50s8gpl.jpg" data-original="${2}" class="lazy"${3}><noscript><img${1}src="${2}"${3}></noscript>"
Output for 7.3.32 - 7.3.33
array(4) { [0]=> string(79) "<img src="http://ww2.sinaimg.cn/bmiddle/a3d444e3jw1ez79amvdi1j20l50s8gpl.jpg"/>" [1]=> string(1) " " [2]=> string(66) "http://ww2.sinaimg.cn/bmiddle/a3d444e3jw1ez79amvdi1j20l50s8gpl.jpg" [3]=> string(1) "/" } string(165) "<img${1}src="http://ww2.sinaimg.cn/thumbnail/a3d444e3jw1ez79amvdi1j20l50s8gpl.jpg" data-original="${2}" class="lazy"${3}><noscript><img${1}src="${2}"${3}></noscript>"
preferences:
143.8 ms | 402 KiB | 197 Q