php replace empty space

A blank line, which may include, line breaks, &nbsp, and spaces. When processing a string, it is unavoidable to encounter a blank line processing.1, replace blank lines, blank lines can include spaces, ,\t,\f,\n $s = preg_replace ('/(^ (\s|) *$)/M '

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Php programming notes-three methods for obtaining POST data from small_123 php Php image watermarking source code Php + ajax + json is the simplest example. Php Chinese character to pinyin source code Php traverses the Directory, generates the md5

Three ways to get post data from PHP PHP image plus watermark source code One of the simplest examples of Php+ajax+json PHP Chinese Pinyin Source code PHP iterates through directories, generates MD5 values for each file in the directory, and writes

The number of PHP components and frameworks is incredibly large. There are mega-frameworks like Symfony and Laravel, as well as miniature frameworks like Silex and slim. There are even traditional frameworks that have existed long before modern PHP

Compiling the source package requires./configure then compile a. so fileOne less error packetInstall packageNormal displayThe LS directory has a./configure fileQuerying module LocationsEditing a configuration fileEditing a configuration fileIncrease

Summary of PHP-based programming considerations. 1. php implicit ternary operators (? :) Priority problem: Example 1: Copy the code as follows: $ person $ whoor $ personlaruence; is actually equivalent to: $ personempty ($ who )? La 1. php implicit

About PHP, we have a lot of misunderstanding, but in fact, modern PHP is a no matter the development efficiency or execution efficiency are quite high programming language. About the various aspects of modern PHP features, you can refer to the

PHP Delete the left and right side of the space method, PHP remove Blank Space This article explains how PHP removes the left and right spaces. Share to everyone for your reference. Here's how: In PHP to delete the function is more specific than JS,

Use Memcached to implement the session mechanism in php to replace native session support in PHP. Use Memcached to implement the session mechanism in php to replace native session support in PHP. Method File Session implementation file: