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deg2rad

(PHP 3>= 3.0.4, PHP 4 )

deg2rad -- Converts the number in degrees to the radian equivalent

Description

float deg2rad ( float number)

This function converts number from degrees to the radian equivalent.

Example 1. deg2rad() example
<?php echo deg2rad(45); // 0.785398163397 var_dump(deg2rad(45) === M_PI_4); // bool(true) ?>

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