How to output all numbers within 80 that are divisible by 3 in php

In PHP, you can use for loops and if judgment statements to output all numbers within 80 that are divisible by 3. The syntax "for($i=1;$i

The operating environment of this tutorial: windows7 system, PHP7.1 version, DELL G3 computer

php output is within 80 All numbers divisible by 3

Implementation idea:

• Use for loop statement to control the divisibility range (1~80)

• In the loop body, use the if statement to perform integer division judgment, $i%3==0

Implementation code:

<?php
for($i=1;$i<=80;$i++){
	if($i%3==0){
		echo $i."<br>";
	}
}
?>

Output result:

Explanation: % is the remainder operation

If the remainder is 0, it is divisible.

Note: Use % in arithmetic operators to find remainder. If the dividend ($a) is a negative number, the result obtained is also a negative value.

Recommended learning: "PHP Video Tutorial"

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