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deg2rad
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deg2rad

Name

deg2rad — Converts a value in degrees to its radian value.

Synopsis

float deg2rad(degrees); float degrees: Degrees to convert

Returns

Radian value of the given degrees

Description

Calculates the equivalent value of radians based on the specified argument, in degrees.

Version

PHP 3 since 3.0.4, PHP 4

Example

Example 672. Calculate the radians for a given value in degrees

$deg = 180.0;
$rad = deg2rad($deg);
echo "1/2 of a circle is $deg degrees or also $rad radians\n";

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