PHP Tutorials

In front of you to explain a multi-choice ElseIf statement, although this statement can make a variety of judgments, but when used, need to write a lot of if statements, to our program readability inconvenience, in order to avoid the IF statement

Submitting get form data is the most commonly used action in a form application, and often requires PHP background to get the various data submitted by the user in the foreground form page from the foreground page. form data is passed in the

Thinkphp is the most popular Chinese PHP development framework in China and the best choice for your Web project. Many PHP beginners are learning this framework, this topic for you summed up 2017 of the latest 10 thinkphp online video tutorials

How to use the GD2 function to add text to a picture (PHP graphic image typical Application tutorial 2) The GD Library in PHP supports Chinese, but it must be passed in UTF-8 encoding format, if you use the imagesstring () function to directly draw

Getting the value submitted by a FORM element is the most basic way to do it in a form application. In this section, the POST () method is defined to submit the data, which is explained in detail in obtaining the values submitted by the form element.

This article mainly introduces the Hibernate mapping basic class mapping and object relational mapping, very practical value, the need for friends can refer to some of us in the absence of learning ssh, when we set up the database table, the first

the reverse of the PHP array In an article, "How to sort php arrays," We introduced sort, asort, and Ksort, all sorted in ascending order, so what if you want to implement the reverse order of the arrays? Here's another set of functions we're going

High-level applications for PHP file processing-remote file access and lock files In PHP, in addition to the basic read and write operation of the file, you can also locate the file pointer, locate, and lock the file being read. The previous

How can I limit the size of uploaded files by configuring PHP files? In the process of website development, in order to ensure the full use of the server space, in the development of the upload function, the upload file must be the size of control.

PHP has become the most popular scripting language for many reasons: flexibility, ease of use, and so on. We usually need a PHP framework instead of the programmer to do the repetitive parts. What is the PHP framework? The PHP Framework provides a

Annotation symbols: Single-line annotations /* */Multiline annotation "single quotation mark, simple string, without any processing directly to get over; " "Double quotes, PHP dynamic processing then output, typically used to process the $

PHP supports callback functions (callback), which is a much more powerful feature than other high-level languages. However, compared with JavaScript, php5.3 's previous callback function is not very flexible, only function Name of the stringand

linux-php5.6 cannot execute EXEC function under CentOS I have removed this function in Disable_functions, no error, but no execution.Online find a lot of said to be safe mode, but 5.6 really no security mode Ah, and the code of operation

thinkphp 3.2 Gets all the function method names, as well as comments, that are fully operational: Getcontroller ($module); foreach ($all _controller as $controller) {$controller _name = $controller; $all _action =

Here I am using the YII framework. 1,phpthumb_ico is the class that generates the ICO icon, the source code is as follows Class Phpthumb_ico {function Phpthumb_ico () {return true; } function gd2icostring (& $gd _image_array) {foreach ($gd

Normal string: Original string: 1,2,3,4,5,6, This string: 1,2,3,4,5,6, toward the last character of the Lost "," Remove the last character "," and the end result is 1,2,3,4,5,6 $str = "1,2,3,4,5,6,"; $newstr = substr ($str, 0,strlen ($STR)-1);

PHP Two ways to get average color values for images: $i =imagecreatefromjpeg ("Jbxue.jpg"), for ($x =0; $x >16) &0xff; $g = ($rgb >>4) &0xff; $b = $rgb &0xff; $rTotal + = $r; $ gtoal+= $g, $bToal + = $b; $total + +;}} $rAverage =round

In the study of PHP language, we can know that PHP4 is unable to achieve multiple inheritance. So what about PHP5? We conducted a test on PHP5 and found that the implementation of PHP5 multiple inheritance was very simple. How to use PHP upload

This article introduces the use of PHP rounding function, PHP data processing, rounding is divided into four parts, the php rounding function is used as follows. 1. Discard the fractional part, preserving the whole number of parts Intval (7/2

Problem: Here are 3 layers of nested comments, parent=0 for a first-level comment, parent=3 to indicate that the parent comment has an ID of 3 $comments = Array ( ' id ' = ' 3 ', ' parent ' = ' 0 ' ), array ( ' id ' = '