PHP LTrim (), RTrim () and trim () delete character spaces case _php tips

This article describes the method of LTrim (), RTrim () and trim () deletion of the word spaces in PHP. Share to everyone for your reference. The specific analysis is as follows: The trim function in PHP can not be the same as the ASP, the

PHP string comparison functions strcmp () and strcasecmp () using summary _php Tips

Comparing strings is one of the most important features of string processing in any programming language. In addition to using comparison notation (= =, ) in PHP, a series of comparison functions are provided to enable PHP to perform more complex

How PHP uses fopen to create UTF8 encoded files _php tips

This example describes how PHP uses fopen to create UTF8 encoded files. Share to everyone for your reference. The implementation methods are as follows: In general, if we use fopen directly to create a file encoding that is not uft-8, then we need

10 Practical PHP Regular expression Rollup _php tips

This article describes 10 practical PHP regular Expression summary, share for everyone to reference. Specifically as follows: Regular expressions are an important element in program development, which provides strings for describing or matching

Introduction to PHP performance optimization _php Tips

PHP Optimization for PHP optimization is mainly related to the main parameters of php.ini adjustment and settings, the following we will look at some of the php.ini in the performance of the larger parameters should be set. # Vi/etc/php.ini(1) PHP

Array and class using PHP variable variable names requires attention to the problem _php tips

Sometimes mutable variable names can be a great convenience for programming. This means that variable names can be dynamically named and used. Usually variables are named by the following statements: $a = ' hello ';Variable variable name refers to

Security analysis of PHP temporary files _php Tips

First, Introductiontemporary files, as the name implies, are temporarily generated files, and the life cycle of the file is very short. However, the operation of many applications can not be separated from temporary files, temporary files on our

PHP uses the Glob function to implement a word delete all files under a directory _php tips

Collected from the Internet: Copy Code code as follows: Array_map (' unlink ', glob (' * ')); A lot of friends may not know glob this function. See the Manual for more usage. PHP Glob () function Definitions and usage The

The use of PHP MAGIC_QUOTES_GPC based on the detailed _php skills

PHP MAGIC_QUOTES_GPC is mainly in the Web customer service, its role time from the request, and then we will specifically explain how it is used.AD:Today we are going to introduce you to the specific use of PHP MAGIC_QUOTES_GPC. We all know that in

PHP Filter English punctuation and filter Chinese punctuation code _php Tips

PHP filter English punctuation marks to filter Chinese punctuation code Copy Code code as follows: function Filter_mark ($text) { if (Trim ($text) = = ') return '; $text =preg_replace ("/[[:p unct:]\s]/", "", $text); $text

PHP regular fetch any attribute in the IMG tag (regular substitution removes or alters any attribute in the image img tag) _php tips

Because there is a project press release system, the database content field is stored in the original image of the path (and of course, there are other text content, the content of the illustrations, save the picture path), but the front desk want

PHP reference count and variable reference

 Each php5.5 variable is stored in a variable container called Zval.   A Zval variable container that contains two bytes of extra information in addition to the type and value of the variable:   1, the first is "Is_ref", and is a bool that

PHP Learning notes: PHP network traffic statistics System

Description: Code Source "PHP and MySQL Web application Development" book, there is some of the code is modified, after my test all can be used.   This IP address shown in the normal, my computer is supported IPv6.       Database scripts for this

How to add an FTP user online with PHP in FreeBSD

Recently, the leader asked me to plan a web design contest and Flash creation contest, required to achieve online registration and upload works. I realized the requirement through FREEBSD+APACHE+PHP+MYSQL+FTP. The idea of online registration and

Search and integrate Google + activity flow with PHP applications

Brief introduction Google + is a new product of the social networking industry, the latest attempt to build a social network that allows users to easily share news and files with their friends and interact with them. It seemed to succeed in

PHP code optimization and PHP related issues summary

1, in a function, it is more efficient to use return than to use global when passing an array, for example: function userloginfo($usertemp){ $detail=explode("|",$usertemp); return $detail; } $login=userloginfo($userdb); Than function userloginfo($

PHP Development Framework Summary

Collect and organize some major PHP development framework and CMS platform, here to make a summary, perhaps later will be supplemented. Development framework Wact http://wact.sourceforge.net/ The old PHP programming framework, the implementation

PHP constructs Semantic Web crud operations

Create, read, update, and delete (Create/read/update/delete,crud) operations are the most basic database operations, but they are also the most important operations. CRUD operations are usually done using the Structured Query Language (structured

Yii global function usage example, yii global example

Yii global function usage example, yii global example This example describes how to use Yii global functions. We will share this with you for your reference. The details are as follows: YII is committed to perfectly integrating third-party libraries

5 typical php curl examples and phpcurl classic examples

5 typical php curl examples and phpcurl classic examples I use php and curl mainly captures data. Of course we can use other methods to capture data, such as fsockopen and file_get_contents. However, you can only capture those pages that can be

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