PHP Process Control, PHP process _php Tutorial

PHP Process Control, PHP process

Php-if statements

The IF statement is used to execute code only when the specified condition is true .

Grammar

if (condition) {The code to execute when the condition is established;}

If the current time is less than 20, the following instance will output "a good day!" ：

Instance

Run

Php-if...else statements

Execute a piece of code when the condition is established, and execute another piece of code when the condition is not established , using the If....else statement.

Grammar

if (condition) {code executed when the condition is established;} Code executed when the else{condition is not established;}

If the current time is less than 20, the following instance outputs "a good day!", otherwise the output "has a good night!" ：

Php-if...else if....else Statements

To execute a block of code when one of several conditions is established , use the If....else if...else statement:

Grammar

if (condition) {The code executed when the condition is established;} else if (condition) {ElseIf code executed when the condition is established;} Code executed when the else{condition is not established;}

If the current time is less than 10, the following instance will output "a good morning!", if the current time is not less than 10 and less than 20, the output "has a good day!", otherwise the output "has a good night!" ：

　　

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http://www.bkjia.com/PHPjc/1131138.html www.bkjia.com true http://www.bkjia.com/PHPjc/1131138.html techarticle PHP Process Control, PHP flow php-if statement If statement is used to execute code only when the specified condition is true. Syntax if (condition) {The code to execute when the condition is set;} If the current time is less than ...

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