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This article is about how to use if Else statements in PHP. The editor thinks it is very practical, so share it with you as a reference and follow the editor to have a look.

Conditional statement

When you write code, you often need to perform different actions for different judgments.

You can use conditional statements in your code to accomplish this task.

If...else statement

Execute one block of code when the condition is established, and another block when the condition is not true

Elseif statement

Used in conjunction with if...else to execute a code block If...Else statement when one of several conditions is true

If you want to execute some code when a condition is established and other code when a condition is not, use the if....else statement.

Grammar

If (condition)

Code to be executed if condition is true

Else

Code to be executed if condition is false

Example

If the current date is Friday, the following code outputs "Have a nice weekend!", otherwise it outputs "Have a nice day!":

The copy code is as follows:

If you need to execute multiple lines of code when the condition is established or not, you should include these lines of code in curly braces:

The copy code is as follows:

ElseIf statement

If you want to execute the code when one of the conditions is established, use the elseif statement:

Grammar

The copy code is as follows:

If (condition)

Code to be executed if condition is true

Elseif (condition)

Code to be executed if condition is true

Else

Code to be executed if condition is false

Example

If the current date is Friday, the following example outputs "Have a nice weekend!", if it is Sunday, "Have a nice Sunday!", otherwise "Have a nice day!":

The code is as follows:

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