PHP deg2rad() Function

PHP deg2rad is predefining function, which is used to convert the number in degrees to the radian equipment.

Syntax:

The given above function convert from degrees to the radiant equipment.

Parameter	Description	Required/Optional
number	Specify the degree to convert	Required

Example 1

<?php
$degree=15;
echo "Your degree number is : ".$degree."<br>";	
echo "By using 'deg2rad()' function, your radian equivalent is :".deg2rad($degree);
?>

Output:

Your degree number is : 15
By using 'deg2rad()' function, your radian equivalent is :0.26179938779915

Example 2

<?php
$degree=45;
echo "Your Degree number is : ".$degree."<br>";	
echo "By using 'deg2rad()' function, your radian equivalent is :".deg2rad($degree);
?>

Output:

Your Degree number is : 45
By using 'deg2rad()' function, your radian equivalent is :0.78539816339745

Example 3

<?php
$degree=45;
echo "Your Degree number is : ".$degree."<br>";	
echo var_dump(deg2rad($degree) === M_PI_4); // Return true
?>

Output:

Your Degree number is : 45
bool(true)

Example 4

<?php
$degree=180;
echo "Your degree number is : ".$degree."<br>";	
$rad = deg2rad($degree);
echo "$degree degrees is equal to $rad radians.";
?>

Output:

Your degree number is : 180
180 degrees is equal to 3.1415926535898 radians.

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PHP deg2rad() Function

Syntax:

Example 1

Example 2

Example 3

Example 4

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