string manipulation programs in php

The examples in this article describe the common problems with PHP string manipulation. Share to everyone for your reference, specific as follows: Remember the first time to learn PHP to listen to the words of a cow x is: All procedures are strings,

Regular ExpressionsEdit regular expressions, also known as formal representations, general representations (English: Regular Expression, often abbreviated as regex, RegExp, or re) in code, a concept of computer science. A regular expression uses a

Ext.: http://justcoding.iteye.com/blog/1963463String-related operations are often involved in the shell batch process. There are a lot of command statements, such as: awk,sed can do string various operations. In fact, the shell built a series of

ObjectiveIn any language, a function is the most basic constituent unit. What are the features of PHP functions? How is a function call implemented? What is the performance of PHP functions and what are the suggestions for using them?This paper will

54 ways to improve the efficiency of PHP program operation, 54php program operation efficiency 1. In the case of file_get_contents instead of file, fopen, feof, Fgets and other series of methods, try to use file_get_contents, because he is much

Using single quotes instead of double quotation marks to contain strings can be faster. Because PHP searches for a variable in a string surrounded by double quotes, the single quotation mark does not, note: only echo can do this, it is a "function"

HDK (Baidu)ObjectiveIn any language, a function is the most basic constituent unit. What are the features of PHP functions? How is a function call implemented? What is the performance of PHP functions and what are the suggestions for using them?

About GD LibraryGD refers to the graphic device,php of the GD library is used to process graphics extension library, through the GD Library provides a series of APIs, you can process the image or directly generate new images.In addition to the text

Speaking of PHP's operating mechanism to introduce the PHP module, PHP has a total of three modules: the kernel, Zend engine, as well as the expansion layer, the PHP kernel is used to handle requests, file flow, error handling and other related

In order to you can better learn PHP, this time mainly want to talk about the PHP learning line, carding each stage of the PHP Programmer's technical requirements, according to their own situation to set the learning growth goal. Learning lines and