Mathematical Operations in PHP

PHP supports mathematical operations as other languages do. It support addition, subtraction, division, multiplication, increment, decrement etc.

Example 1:

$a=25;

$b=5;

$c=$a+$b;

echo "<br/> Addition of $a and $b is=$c";

$c=$a-$b;

echo "<br/> Subtraction of $a and $b is=$c";

$c=$a*$b;

echo "<br/> Multiplication of $a and $b is=$c";

$c=$a/$b;

echo "<br/> Division of $a and $b is=$c";

echo "<br/> Before Increment value of \$a is=$a";

$a++;

echo "<br/> After Increment value of \$a is=$a";

echo "<br/> Before Decrement value of \$b is=$b";

$b--;

echo "<br/> After Decrement value of \$b is=$b";

Output:

Addition of 25 and 5 is=30
Subtraction of 25 and 5 is=20
Multiplication of 25 and 5 is=125
Division of 25 and 5 is=5
Before Increment value of $a is=25
After Increment value of $a is=26
Before Decrement value of $b is=5
After Decrement value of $b is=4

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