(转)PHP正则提取图片img标记中的随意属性修改
(转)PHP正则提取图片img标记中的任意属性修改
/*PHP正则提取图片img标记中的任意属性*/
$str?=?'

PHP正则提取或更改图片img标记中的任意属性
//1、取整个图片代码
preg_match('/]*?src\s*=\s*(\'|\")(.*?)\\1[^>]*?\/?\s*>/i',$str,$match);
echo?$match[0];
//2、取width
preg_match('/

echo?$match[1];
//3、取height
preg_match('/

echo?$match[1];
//4、取src
preg_match('/

echo?$match[1];
/*PHP正则替换图片img标记中的任意属性*/
//1、将替换为)
print?preg_replace('/(

echo?"
";
//2、将替换为,并省去宽和高
print?preg_replace('/(

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Methods to open img files include using virtual optical drive software, using compression software, and using special tools. Detailed introduction: 1. Use virtual optical drive software to open, download and install a virtual optical drive software, right-click the img file, select "Open with" or "Associated Program", select the installed virtual optical drive software in the pop-up dialog box, virtual The optical drive software will automatically load the img file and use it as a disc image in the virtual optical drive. Double-click the disc icon in the virtual optical drive to open the img file and access its contents, etc.

src and href are respectively, 1. src is the abbreviation of source, which is used to specify the path of external resources. It is usually used to embed external files, such as pictures, audios, videos, etc. The src attribute is generally used on img, script, iframe and other tags. ; 2. href is the abbreviation of hypertext reference, which is used to specify the path of the target resource of the hyperlink. It is usually used to link to external documents or other pages. The href attribute is generally used on tags such as a and link.

How to open the img file: 1. Confirm the img file path; 2. Use the img file opener; 3. Select the opening method; 4. View the picture; 5. Save the picture. The img file is a commonly used image file format, usually used to store picture data.

img is a file compression format, mainly used to create image files of floppy disks. It can be used to compress the contents of an entire floppy disk or an entire CD; files with the extension ".IMG" are created using this file format. ; The img file includes 3 basic nodes, namely "Ehfa_HeaderTag", "Ehfa_File" and "Ehfa_Entry".

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The src attribute and href attribute are commonly used attributes in HTML and are used to load external resources. Although they have similar purposes, there are some differences in usage and purpose. src attribute: The src attribute is used to specify external resources to be embedded in the document. It is mainly used to introduce external script files and media files into HTML documents. It can be used in the following situations: Introduce external JavaScript files: Link external JavaScript files to HTML pages through the src attribute.

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