How to get the last n characters of a PHP string?

PHP | imagesetthickness() Function

Last Updated : 26 Aug, 2019

The imagesetthickness() function is an inbuilt function in PHP which is used to set the thickness for line drawing.

Syntax:

bool imagesetthickness( $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 
  
// Create an image of given size 
$im = imagecreatetruecolor(400, 300); 
$green = imagecolorallocate($im, 0, 153, 0); 
$white = imagecolorallocate($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 
   
// Create an image of given size 
$im = imagecreatetruecolor(400, 100); 
$green = imagecolorallocate($im, 0, 153, 0); 
$white = imagecolorallocate($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: http://php.net/manual/en/function.imagesetthickness.php

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