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PHP Operators: Assignment Operators Table

PHP Operators Step By Step Tutorial - Part 4: Assignment operator Table:

Operator	Info	Example
=	Placing right side to left side	$r = 87
+=	Enhancing right side to left side	$r += 42
-=	Tapering down right side to left side	$r -= 10
*=	Multiply right side to left side	$r *= 2
/=	Allot right side to left side	$r /= 7
%=	Putting down the result of modulus between left side variable value with right side value in left	$r %= 1 or $r : = $r % 2
&=	Putting down the result of operation the "AND" operator to the left side variable value with right side value in left.	$x &= $y or $x :=$x & $y
\|=	Putting down the result of operation the "OR" operator to the left side variable value with right side value in left	$x \|= $y or $x : = $x \| $y
^=	Putting down the result of operation the "XOR" operator to the left side variable value with right side value in left	$x ^= $y or $x : = $x ^ $y
.=	Putting down the result of operation the "CONCAT" operator to the left side variable value with right side value in left	>$x .= "more text" or $x : = $x."more text"

Pay attention to the example of using assignment operator at script as following:

File name: assignmentoperator1.php

<html>
<head>
<title>Using Assignment Operator</title>
</head>

<body>
<h1>Operator Assignment</h1>
<?
	$x = 15;
	echo ("\$x = $x <br>");
	$x += 1 ;
	echo ("\$x += 1 = $x <br><br>");
	$x = 7;
	echo ("\$x = $x <br>");
	$x = $x + 2;
	echo ("\$x = \$x + 2 = $x <br><br>");
	$x = 87;
	echo ("\$x = $x <br>");
	$y = &$x;
	echo ("\$y = &\$x = $x <br><br>");
	$greeting = "good";
	echo ("\$greeting = $greeting <br><br>");
	$greeting .="night";
	echo ("\$greeting .= good = $greeting");
?>
</body>
</html>

The result of executing assignment operator.php:

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