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deg2rad

Converts the number in degrees to the radian equivalent (PHP 4, PHP 5)
float deg2rad ( float number )

This function converts number from degrees to the radian equivalent.

Parameters

number

Angular value in degrees

Return Values

The radian equivalent of number

Examples

Example 1145. deg2rad() example

<?php

echo deg2rad(45); // 0.785398163397
var_dump(deg2rad(45) === M_PI_4); // bool(true)

?>


See Also
rad2deg()