PHP Tutorials

PHP batch removal of file BOM code function, Support folder batch removal. The specific PHP file code is as follows: ': ' Only detect file BOM does not perform removal of BOM operation'; Checkdir ($basedir, $loop), function checkdir ($basedir = ",

Recently in a project about the schedule, give a start time and an end time, you need to list the date in this time period and also determine the number of weeks. After research, the following methods, and everyone sharing, convenient to have the

To add the latest label to the information in the Smarty template, set the new character label to appear after the information title added within 24 hours of the current time: {if $smarty. now-$article. Add_time Lt 86400} [New] {/if} Articles you

The difference between a cookie and a session in PHP: 1. The cookie data is stored on the client's browser and the session data is placed on the server. 2, the cookie is not very safe, others can be stored in the local cookie and cookie spoofing,

How do I use constants defined by define in the Smarty template? The method is: {$smarty. Const. The constant name you defined} Articles you may be interested in Smarty extension for loop in template TD in Smarty template with circular form

Snoopy is a PHP class that simulates some of the simple functions of a browser, such as getting web content, sending forms, and so on. Snoopy the PHP version that requires your server to run correctly is above 4 and supports Pcre (Perl Compatible

PHP randomly generated string can define its own length, in the actual application development, often encountered. Copy the Code code as follows: Randomly generated string function Random ($length) { Srand (Date ("S")); $possible _charactors = "012

Using PHP to generate Word documents, the resulting Word file can be opened with software such as Word,wps. The specific code is as follows: function Word ($data, $fileName = ') {if (empty ($data)) return '; $data = '. $data. '; if (empty

When doing development, the operation session sometimes encounter this problem: Warning:session_start () [Function.session-start] ... PHP Environment:Os:centos Release 5.2 (Final)Apache:Server version:apache/2.2.3Server Built:jan 15 2008

Everyone should know that reasonable use of the cache can effectively reduce the site's server pressure, PHP smarty as a very good PHP template engine, it provides us with a very simple and diverse cache operation, let us learn some smarty cache

Recently began to learn thinkphp this set of framework, for Thinkphp's strong really is to let brother breathtaking, its anti-pressure ability, performance how this is not discussed, the following to share a thinkphp powerful query function, of

Sometimes when you write some scripts on the server, you often have to put them in crontab and run them regularly. Long time, there is a problem, that is, the program repeatedly run consumes too much resources, how to deal with it? Here are two ways

As a PHP programmer must know 40 tips for optimizing PHP code: 1. If a method is static, make a static declaration of it. The rate can be increased to 4 times times. 2.echo is faster than print. 3. Use Echo's multiple parameters (meaning: a comma

There is a parameter Curlopt_returntransfer in curl: Copy CodeThe code is as follows: curl_setopt ($ch, Curlopt_returntransfer, 0); The default is 0 to directly return the text stream of the obtained output, and sometimes it is not good to take the

This article mainly introduces the PHP picture clipping function, while maintaining the image is not deformed, the need for friends can refer to the next In order to complete the image after uploading the automatic cropping, and then in the

First, the following are the configuration files: SOURCE cv{Type=mysqlSql_host=localhostSql_user=rootSql_pass=passwodSql_db=databasesql_query_pre= SET NAMES UTF8Sql_query=\SELECT ID, title, Introtext,unix_timestamp (created) as Addtime \From

1. Executing SQL statements in PHP To get the data from the database, PHP first executes a SQL statement for the table operation, including SELECT, INSERT, UPDATE, or DELETE statements. In general, executing a SELECT statement in PHP will find some

Why use caching technology? The reason is simple: improve efficiency. In the process of development, the main way to obtain information is to query the database, in addition, may be through web services or some other method, either way, in the face

How JavaScript handles PHP's return to JSON-formatted data, as described below in an example! Suppose PHP returns an array of the following: $arr = Array (' name ' = ' Qianyuqianxun ', ' nick ' = ' thousand and Chihiro ', ' Contact ' =>array ('

Now the Internet environment is becoming more and more serious, security, has been a program developer and webmaster of a problem, how to choose an easy-to-use, secure program, how to build a secure server environment, has been the vast number of