Found a total of 452 related content
What is the difference between include and require in PHP? What is the difference between Include_once?
Article Introduction:The previous article introduced to you "What are the commonly used system functions for files in PHP?" What is the principle of loading files? ", this article continues to introduce to you what is the difference between include and require in PHP? What is the difference between Include_once? It has certain reference value. Friends in need can refer to it. I hope it will be helpful to everyone.
2021-06-15
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1536
The difference between == and === in php
Article Introduction:The difference between the == and === comparison operators in PHP: Loose comparison (==): Compares the contents of two values, allowing type conversion. Strict comparison (===): Compares the content and type of two values, no type conversion is allowed.
2024-04-27
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400
Introduction to the differences between =, == and === in php
Article Introduction:The difference between =, == and === in PHP is: [===] compares the values and types of two variables; [==] compares the values of two variables, not data types; [= 】Represents assignment operation.
2020-04-25
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2483
What is the difference between PHPCMS and PHP?
Article Introduction:The difference between PHPCMS and PHP: PHPCMS is a complete open source website content management system, while PHP is a computer programming language, and PHPCMS is written in PHP language, so the two are completely different things and cannot be compared.
2020-07-20
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2315
What is the difference between == and = in php
Article Introduction:The difference between == and = in PHP: "==" in PHP is a comparison operator, used to compare whether two values are equal. If the types are different, the types of the two values will be converted and then compared. "=" is the assignment operator, used to assign values to variables.
2020-04-25
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3923
The difference between static and self in PHP
Article Introduction:What is the difference between static and self in PHP? The following article will give you a brief introduction. It has certain reference value. Friends in need can refer to it. I hope it will be helpful to everyone.
2020-04-02
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2012
Talk about the difference between strlen and mb_strlen in PHP
Article Introduction:In PHP, strlen and mb_strlen are functions to find the length of a string, but for some beginners, they may not be clear about the difference without reading the manual. The difference between the two is explained below through examples.
2020-04-10
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1900
What is the difference between Session and Cookie in PHP?
Article Introduction:The difference between Session and Cookie in PHP: 1. Cookie data is stored in the client's browser, and Session data is stored in the server; 2. Session exists according to the browser process, and the cookie's survival time can be set and adjusted; 3. Session must use Cookies.
2020-07-21
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2177
The difference between php and net
Article Introduction:PHP and .NET are both very popular web programming languages. Although both programming languages can develop web applications, they have different features, advantages and disadvantages, and applicable scenarios. This article will discuss the differences between PHP and .NET. First of all, let's clarify that PHP is a language, while .NET is actually a framework. Under the .NET framework, you can use multiple languages such as C# and VB.NET for programming. Therefore, this article will mainly compare the differences between the PHP language and the C# language used under the .NET framework. 1. Language features P
2023-05-07
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446
Talk about the difference between require and include in PHP
Article Introduction:This article will talk to you about the difference between require and include in PHP. It has certain reference value. Friends in need can refer to it. I hope it will be helpful to everyone.
2020-04-12
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3157
The difference between get and post in php
Article Introduction:The difference between get and post in php is: 1. The length limit of submission is different. The amount of data that can be submitted by GET is directly related to the maximum length that the URL can achieve. Post has no limit; 2. The security is different. GET submission can be in the URL. As seen on, clear text transmission, POST is not visible on the URL.
2020-06-19
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1942
Detailed explanation of the difference between const and define in PHP
Article Introduction:This article introduces the difference between const and define in PHP. I hope it will be helpful to students learning PHP. const is used to define class member variables. Once defined, its value cannot be changed; define defines global constants and can be accessed anywhere.
2019-12-18
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5215
The difference between php and phpfpm
Article Introduction:The difference between php and phpfpm: 1. PHP is a scripting language executed on the server side, while phpfpm is a PHPFastCGI manager; 2. For PHP before PHP5.3.3, phpfpm is a patch package; 3. PHP5.3.3 has been Integrated php-fpm and so on.
2021-05-13
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3519
The difference between === and == in php
Article Introduction:The difference between "===" and "==" in PHP: 1. "===" means the three equal signs in PHP are used to compare the values and types of two variables; 2. "==" means PHP The two equal signs are used to compare the values of two variables, but not the data types.
2020-05-17
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3577
The difference between dot and comma in php
Article Introduction:The difference between dot operator (.) and comma operator (,) in PHP is as follows: Dot operator (.) is used to access object properties and methods. The comma operator (,) is used to: split the results of multiple expressions. Create a group of single expressions. Pass multiple parameters.
2024-04-27
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196
An in-depth analysis of the difference between null and empty in PHP
Article Introduction:The difference between null and empty in PHP In PHP, there are two special values: null and empty. While they may look similar, they are actually different. In this article, we will discuss the difference between null and empty. 1. nullnull is a data type used to represent "no value". It is often used to indicate an undefined value returned by a variable or function, or to indicate that it is not known what value a variable should be set to. For example, if you try to access a variable that doesn't exist, you will get a null value. null value is not equal to 0 or empty string
2023-04-03
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421
What is the difference between float and double in php
Article Introduction:In PHP, there is no difference between float and double. Floating point type is also called floating point number float, double precision number double or real number real in PHP. Float, double or real are the same data type and can be defined using the same syntax.
2022-02-17
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1967
The difference between php and .net
Article Introduction:The difference between php and .net: 1. .NET is Microsoft’s contemporary operating platform, while PHP is a cross-platform server-side embedded scripting language; 2. Compared to .net, php is more of an interpreted language type; 3 . The main objects of operation in .net are encapsulated class libraries, while the main objects of operation in php are various functions and so on.
2020-10-30
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2862
What is the difference between && and || in php
Article Introduction:The difference between && and || in php is: && means logical AND, the expression on the right will be executed only when the expression on the left of [&&] is true; || means logical OR, if the expression on the left of [||] If true, the expression on the right is not executed.
2020-04-25
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3266