imagearc

(PHP 4, PHP 5, PHP 7, PHP 8)

imagearcDraws an arc

Description

imagearc(
    GdImage $image,
    int $center_x,
    int $center_y,
    int $width,
    int $height,
    int $start_angle,
    int $end_angle,
    int $color
): bool

imagearc() draws an arc of circle centered at the given coordinates.

Parameters

image

A GdImage object, returned by one of the image creation functions, such as imagecreatetruecolor().

center_x

x-coordinate of the center.

center_y

y-coordinate of the center.

width

The arc width.

height

The arc height.

start_angle

The arc start angle, in degrees.

end_angle

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 Values

Returns true on success or false on failure.

Changelog

Version Description
8.0.0 image expects a GdImage instance now; previously, a resource was expected.

Examples

Example #1 Drawing a circle with imagearc()

<?php

// create a 200*200 image
$img imagecreatetruecolor(200200);

// allocate some colors
$white imagecolorallocate($img255255255);
$red   imagecolorallocate($img255,   0,   0);
$green imagecolorallocate($img,   0255,   0);
$blue  imagecolorallocate($img,   0,   0255);

// draw the head
imagearc($img100100200200,  0360$white);
// mouth
imagearc($img10010015015025155$red);
// left and then the right eye
imagearc($img,  60,  75,  50,  50,  0360$green);
imagearc($img140,  75,  50,  50,  0360$blue);

// output image in the browser
header("Content-type: image/png");
imagepng($img);

// free memory
imagedestroy($img);

?>

The above example will output something similar to:

Output of example : Drawing a circle with imagearc()

See Also

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