php运算符和逻辑符的区别是什么意思啊英文

Introduction

PHP is a server-side scripting language that is widely used to develop dynamic web applications. It has many built-in operators and logical operators that are used to perform arithmetic, comparison, and logical operations in PHP. In this article, we will discuss the difference between operators and logical operators in PHP.

Operators in PHP

Operators are symbols that are used to perform mathematical or logical operations on values or variables. PHP has many built-in operators that are used to perform arithmetic operations, such as addition, subtraction, multiplication, division, and modulus.

In addition, PHP also supports comparison operators, such as equal to, not equal to, greater than, greater than or equal to, less than, and less than or equal to. These operators are used to compare values or variables and return a boolean value (true or false) based on the comparison.

PHP also supports logical operators, such as "AND", "OR". "NOT". These operators are used to combine two or more conditions and return a boolean value based on the result of the logical operation.

Logical Operators in PHP

Logical operators are used to combine two or more conditions and return a boolean value based on the result of the logical operation. PHP supports three logical operators: "AND", "OR", and "NOT".

The "AND" logical operator returns "true" if both the conditions are true, and "false" if any one of them is false. The "AND" operator is represented by the symbol "&&".

The "OR" logical operator returns "true" if any one of the conditions is true, and "false" if both the conditions are false. The "OR" operator is represented by the symbol "||".

The "NOT" logical operator is used to negate a condition. It returns "true" if the condition is false, and "false" if the condition is true. The "NOT" operator is represented by the symbol "!".

Difference between PHP Operators and Logical Operators

The main difference between operators and logical operators is that operators are used to perform mathematical or comparison operations, while logical operators are used to combine multiple conditions and return a boolean value based on the logical operation.

Operators evaluate values or expressions and perform arithmetic or comparison operations. They return a value based on the result of the operation. On the other hand, logical operators evaluate conditions and return a boolean value (True or False) based on the logical operation.

In conclusion, operators and logical operators are both essential in PHP programming. While operators are used to perform arithmetic and comparison operations, logical operators are used to combine multiple conditions and return a boolean value based on the logical operation.

本文来自投稿,不代表亲测学习网立场,如若转载,请注明出处:https://www.qince.net/php-4j.html

郑重声明:

本站所有内容均由互联网收集整理、网友上传,并且以计算机技术研究交流为目的,仅供大家参考、学习,不存在任何商业目的与商业用途。 若您需要商业运营或用于其他商业活动,请您购买正版授权并合法使用。

我们不承担任何技术及版权问题,且不对任何资源负法律责任。

如遇到资源无法下载,请点击这里失效报错。失效报错提交后记得查看你的留言信息,24小时之内反馈信息。

如有侵犯您的版权,请给我们私信,我们会尽快处理,并诚恳的向你道歉!

(0)
上一篇 2023年5月3日 上午11:05
下一篇 2023年5月3日 上午11:06

猜你喜欢