PHP Operator (3) 'Assignment Operator' Example Explanation-PHP Tutorial-php.cn

PHP Operator (3) 'Assignment Operator' Example Explanation

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Release： 2023-03-07 12:14:01

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What is php assignment operator?

The most basic form of the assignment operator is "=". The "=" here does not mean "equal", but means assignment. Its function is simply to assign a value to a variable. For example, $A=10 means assigning 10 to $A, so the value of $A is 10.
Extended knowledge about php operators: 1."php arithmetic operators detailed explanation" 2."php string operator examples explained"

Of course this Just the most basic assignment operator. In addition to the most basic "=" assignment operator, we also have other forms of assignment operators, which we call compound assignment operators, as shown in the following table

Operator	Explanation	Example	is equivalent to	Meaning
=	Assignment	$a=b	$a=b	Assign the value on the right to the left
+=	Add	$a+=b	$a=$a+b	Add the value on the right to the left
-=	minus	$a-=b	$a=$a-b	Subtract the value on the right to the left
*=	Multiply	$a*=b	$a=$a*b	Multiply the value on the right by the value on the left divided by
/=		$a/=b	$a=$a/b	Divide the value on the right by the value on the left
.=	Connection characters	$a.=b	#$a=$a.b	Add the characters on the right to the left
%	Get the remainder	$a%=b	$a=$a+%b	Take the remainder of the value on the left to the right

php assignment operator example

The code is as follows

<?php
$a=20;
echo $a."<br/>"; // 输出 20

$y=20;
$y += 80;
echo $y."<br/>"; // 输出 100

$z=50;
$z -= 25;
echo $z."<br/>"; // 输出 25

$i=5;
$i *= 5;
echo $i."<br/>"; // 输出 25

$j=10;
$j /= 5;
echo $j."<br/>"; // 输出 2

$k=15;
$k %= 4;
echo $k."<br/>"; // 输出 3
?>

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PHP Operator (3) Assignment Operator Example Explanation

The above example is a basic application of the assignment operator. I hope you can further develop and apply it based on the basics. In the next chapter we will explain the "bit operator" in PHP operators.

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