rad2deg
  (PHP 4, PHP 5)
rad2deg — 
   Converts the radian number to the equivalent number in degrees
  
  
 
  Description
   
    float rad2deg
     ( float $number
    )
  
  
 
  Parameters
  
   
    - 
     number
     
- 
      
       A radian value
       
 
 
  Return Values
  
   The equivalent of number
 in degrees
  
  
 
  Examples
  
   
    Example #1 rad2deg() example
    
<?php
echo rad2deg(M_PI_4); // 45
?>