PHP | imagesetthickness() Function (original) (raw)
Last Updated : 11 Jul, 2025
The imagesetthickness() function is an inbuilt function in PHP which is used to set the thickness for line drawing.Syntax:
bool imagesetthickness( image,image, image,thickness )
Parameters: This function accepts two 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.
- $thickness: This parameter is used to set the thickness in pixel.
Return Value: This function returns True on success or False on failure. Below programs illustrate the imagesetthickness() function in PHP:Program 1:
php `
green=imagecolorallocate(green = imagecolorallocate(green=imagecolorallocate(im, 0, 153, 0); white=imagecolorallocate(white = imagecolorallocate(white=imagecolorallocate(im, 0xff, 0xff, 0xff); // Set the background to be white imagefilledrectangle($im, 0, 0, 400, 300, $green); // Set the line thickness to 5 imagesetthickness($im, 5); // Draw the rectangle imagerectangle($im, 50, 50, 350, 250, $white); // Output image to the browser header('Content-Type: image/png'); imagepng($im); imagedestroy($im); ?>`
Output: 
Program 2:
php `
green=imagecolorallocate(green = imagecolorallocate(green=imagecolorallocate(im, 0, 153, 0); white=imagecolorallocate(white = imagecolorallocate(white=imagecolorallocate(im, 0xff, 0xff, 0xff); // Set the background to be white imagefilledrectangle($im, 0, 0, 400, 300, $green); // Set the line thickness to 15 imagesetthickness($im, 15); // Draw the line imageline($im, 50, 50, 350, 50, $white); // Output image to the browser header('Content-Type: image/png'); imagepng($im); imagedestroy($im); ?>`
Output: 
Reference: https://www.php.net/manual/en/function.imagesetthickness.php