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PHP | imagefilledarc() Function

Last Updated : 11 Jul, 2025
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The imagefilledarc() function is an inbuilt function in PHP which is used to draws a partial arc centered at the specified coordinate in the given image. This function return True on success or False on failure Syntax: 
bool imagefilledarc ( $image, $cx, $cy, $width, $height, $start, 
$end, $color, $style )
Parameters: This function accepts nine parameters as mentioned above and described below:
  • $image: It is returned by one of the image creation functions, such as imagecreatetruecolor(). It is used to create size of image..
  • $cx: This parameter is used to set the x-coordinate of the center.
  • $cy: This parameter is used to set the y-coordinate of the center.
  • $width: This parameter is used to set the arc width.
  • $height: This parameter is used to set 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().
  • $style: Suggest how to fill the image and its values can be any one among the value listed below.
    • IMG_ARC_PIE
    • IMG_ARC_CHORD
    • IMG_ARC_NOFILL
    • IMG_ARC_EDGED
Return Values: This function returns True on success or False on failure. Below programs illustrate the imagefilledarc() function in PHP: Program 1: php 
<?php

define("WIDTH", 300);
define("HEIGHT", 300);
     
// Create image.
$img = imagecreate(WIDTH, HEIGHT);
 
// Allocate colors.
$bg = $white = imagecolorallocate($img, 0xFF, 0xFF, 0xFF);
$green = imagecolorallocate($img, 0, 255, 0);
 
// make pie arc.
$center_x = (int)WIDTH/2;
$center_y = (int)HEIGHT/2;
imagerectangle($img, 0, 0, WIDTH-1, HEIGHT-1, $green);
imagefilledarc($img, $center_x, $center_y, WIDTH/2,
               HEIGHT/2, 0, 220, $green, IMG_ARC_PIE);
 
// Flush image.
header("Content-Type: image/png");
imagepng($img);
?>
Output: Program 2: php 
<?php

// Create image
$image = imagecreatetruecolor(100, 100);

// Allocate some colors
$red      = imagecolorallocate($image, 0xFF, 0x00, 0x00);
$darkred  = imagecolorallocate($image, 0x90, 0x00, 0x00);

// Make the 3D effect
for ($i = 60; $i > 50; $i--) {
   imagefilledarc($image, 50, $i, 100, 50, 75, 360, $darkred, IMG_ARC_PIE);
}
imagefilledarc($image, 50, 50, 100, 50, 75, 360, $red, IMG_ARC_PIE);

// flush image
header('Content-type: image/png');
imagepng($image);
imagedestroy($image);
?>
Output: Reference: https://www.php.net/manual/en/function.imagefilledarc.php

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