Tips for using the PHP color matching function

Definition

Match Color.

Syntax:

Int imagecolorallocate (int im, int red, int green, int blue );

Return Value:

Integer

Function types:

Graphic Processing

Description of the PHP color matching function:

This function is used to match the color of the image for other drawing functions. The parameter im represents the handle of the image. The red, green, and blue parameters are the three primary colors of color. The value ranges from 0 to 255.

Example of PHP color matching function:

 
 


  
  
<?

  
  
$ White = imagecolorallocate
($ Instant, 255,255,255 );

  
  
$ Black = imagecolorallocate
($ Im, 0, 0 );

  
  
?>