PHP imagearc() function
In this chapter you will learn:
- What is PHP imagearc() function
- Syntax for PHP imagearc() function
- Parameter for PHP imagearc() function
- Return value for PHP imagearc() function
- Example - PHP imagearc() function
Description
imagearc() draws an arc of circle centered at the given coordinates.
Syntax
PHP imagearc() function has the following syntax.
bool imagearc(resource $image , int $cx , int $cy , int $width , int $height , int $start , int $end , int $color )
Parameter
PHP imagearc() function has the following parameters.
- image - An image resource, returned by one of the image creation functions, such as imagecreatetruecolor().
- cx - x-coordinate of the center.
- cy - y-coordinate of the center.
- width - The arc width.
- height - The arc height.
- start - The arc start angle, in degrees.
- end - The arc end angle, in degrees. 0? is located at the three-o'clock position, and the arc is drawn clockwise.
- color - A color identifier created with imagecolorallocate().
Return
Returns TRUE on success or FALSE on failure.
Example
Drawing a circle with imagearc()
<?php//from j a v a 2 s . c om
$img = imagecreatetruecolor(200, 200);// create a 200*200 image
$blue = imagecolorallocate($img, 0, 0, 255);// colors
// draw the head
imagearc($img, 140, 75, 50, 50, 0, 360, $blue);
// output image in the browser
header("Content-type: image/png");
imagepng($img);
imagedestroy($img);
?>
Next chapter...
What you will learn in the next chapter:
- What is PHP imagecreate() function
- Syntax for PHP imagecreate() function
- Parameter for PHP imagecreate() function
- Return value for PHP imagecreate() function
- Example - PHP imagecreate() function
- Example - PHP image script as img src
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