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Editor to share with you how to use the if-else sentence in php, I believe most people do not know much about it, so share this article for your reference, I hope you can learn a lot after reading this article, let's go to know it!

Description

If...else statement: executes one block of code when the condition is established and another block of code when the condition is not.

The syntax is:

If (condition) {code executed when the condition holds;} else {code executed when the condition does not hold;}

Example

For example, if we divide the students' scores into four grades: a, B, C and unqualified, then we just need to judge the grade range according to the scores given.

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