PHP xml data creation and reading

1. isset function: to determine whether the variable is initialized Description: it does not determine whether the variable is empty, it can be used to determine whether the elements of the array have been defined. Note: When using isset to determine whether an array element has been initialized, it is more efficient than array_key_exists ...

php Extract image addresses from HTML articles class

Add text or image watermarks to images and PDFs using PHP and ImageMagick. Prerequisites PHP (5.6 or higher) ImageMagickghostscript (only for PDF watermarking) PHPImageMagick extension is not required. Installation Add as composer dependency $...

PHP to get the image in the text content

This library allows you to perform webp conversions with PHP. It supports a large number of conversion methods and automatically selects the most capable method available on your system. Installation The Composer library is required as follows: composer require rosell-dk/webp-convert Converts images...

1, check cell phone number /** * Determine whether the phone format is correct * @param $mobile */ function is_mobile($mobile) { return preg_match('/1[3456789]{1}\d{9}$/',$mobile); } /** * Verify the format of the cell phone * @param $utfstr...