PHP Tutorials

Another important feature of the scope of variables in PHP is the static variable (the statics variable). Static variables exist only in the local function domain and are initialized only once, and when the program executes away from this scope, its

PHP: Can a constructor return a value? Class a{ function construct () { return ' abc '; }} May I? Looks like it's not going to work. 、、、 forgot, no idea. You can write that, but new will still be the object of this class.

PHP and JS Communication usually use JSON, but the array passed in JSON is not a standard array, but a stdClass type. Then we can refer to the following several methods for conversion. Method One: PHP StdClass object to array function Object_array

What is a mutable variable? PHP provides one of the other types of variables-mutable variables. mutable variables allow us to dynamically change the name of a variable. As you can see, PHP has a lot of latitude in this respect-all languages are

Variable variable, variable name of a variable can be set and used dynamically. Grammar form is the special syntax of PHP, other languages are rare, this article to share PHP variable learning Summary, the knowledge of PHP variables interested in

There are three common ways to iterate through an array in PHP: First, iterate through the array using the For statement;Second, use the foreach statement to iterate through the array;Third, the union uses the list (), each () and the while loop

1. foreach () foreach () is the simplest and most efficient way to iterate through the data in an array. #example1: ";}? > Show Results: Like red?Do you like blue?Do you like green?Do you like yellow? 2. while () while () is usually used in

Closure, an anonymous function, is php5.3 when introduced, also known as anonymous functions. The literal meaning is that there is no function to define the name. For example, the following code (filename is do.php) The A () here is never used as

PHP autoload Mechanism detailed (1) AutoLoad mechanism overviewWhen developing a system using the PHP OO model, it is often customary to store the implementation of each class in a separate file, which makes it easy to reuse the classes and

The output buffer handler function is a bit like the C stack, which is temporarily placed in a storage space to process the content. The output buffer functions are: Ob_start ()- open output control buffer Ob_get_length ()-Returns the

In PHP, the implode () function combines array elements into a string, and the explode function is exactly what it is, and here are some examples of implode functions. Grammar Implode (Separator,array)//array, separator is a separator. Example Link

Most of us have been dynamic, we must all know the dynamic, reply to comments, delete the whole process of dynamic, then how this function is implemented? The following small series to bring you the example code, the PHP imitation QQ space or a

Object-oriented Programming (OOP) is a computer programming architecture. One of the basic tenets of OOP is that a computer program is composed of a single unit or object that can act as a subroutine. OOP achieves the three main goals of software

There are two ways to use foreach (): foreach (Array_Name as $value) {statement;} The array_name here is the name of the array you want to traverse, each time the value of the current element of the Array_Name array is assigned to $value, and the

This article mainly introduces the advanced features of PHP object-oriented programming, and analyzes the concepts and usage techniques involved in PHP object-oriented programming, such as static attributes, constant attributes, interfaces,

1. PHP comparison Operators $a = = $b equals TRUE If the $a equals $b.$a = = = $b congruent TRUE if $a equals $b, and they are of the same type. (introduced in PHP 4)$a! = $b unequal to TRUE if $a is not equal to $b.$a <> $b Not equal to TRUE if $a

The foreach and while loops in PHP, so what's the difference between the foreach and while loops, and that performance is better, let me show you the foreach and while loop differences and performance comparisons. In the while loop, Perl reads a

Introduced In Laravel, the implementation of login and authorization based on traditional forms has been very simple, but how to meet the licensing requirements of the API scenario? In the API scenario, the user authorization is usually implemented

we often see a lot of strange in the template of WordPress kind of blog programPHP syntax , such as: Empty For a lot of PHP enthusiasts have never seen Ah, what are these things? Are those blog developers doing their own php-like template

I. Classification of Operators 1, by Operation number classification 1.!true//Unary operators2. $a + $b//two-dollar operator3.true? 1:0//ternary operator 2, according to the function classification (1) Arithmetic operators1.+ 、-、 x,/,% (take more) (