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PHP | imagecopymerge() Function

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The imagecopymerge() function is an inbuilt function in PHP that is used to copy and merge the image into a single image. This function returns True on success or False on failure. 

Syntax:

bool imagecopymerge ( $dst_image, $src_image, $dst_x, $dst_y, 
$src_x, $src_y, $src_w, $src_h, $pct )

Parameters: This function accepts nine parameters as mentioned above and described below:

  • $dst_image: This parameter is used to set the destination image link resource.
  • $src_image: This parameter is used to set the source image link resource.
  • $dst_x: This parameter is used to set the x-coordinate of the destination point.
  • $dst_y: This parameter is used to set the y-coordinate of the destination point.
  • $src_x: This parameter is used to set the x-coordinate of the source point.
  • $src_y: This parameter is used to set the x-coordinate of the source point.
  • $src_w: This parameter is used to set source width.
  • $src_h: This parameter is used to set source height.
  • $pct: The two images will be merged with the help of $pct variables. The range of pct is 0 to 100. If $pct = 0, then no action is taken, and when $pct = 100 then this function behaves similarly to imagecopy() function for palette images, except ignoring the alpha components. It implements alpha transparency for true color images.

Return Value: This function returns True on success or False on failure. The below programs illustrate the imagecopymerge() function in PHP.

Program 1: Input Source Image: 

source image

 Input Destination Image: 

destination image 

php




<?php
// Create image instances
$dest = imagecreatefromgif(
$src = imagecreatefromgif(
 
// Copy and merge
imagecopymerge($dest, $src, 10, 10, 0, 0, 500, 200, 75);
 
// Output and free from memory
header('Content-Type: image/gif');
imagegif($dest);
 
imagedestroy($dest);
imagedestroy($src);
?>


Output: 

copy merge image

 Program 2: Input Source Image: 

source image

 Input Destination Image: 

destination image 

php




<?php
// Create image instances
$dest = imagecreatefrompng(
$src = imagecreatefrompng(
 
// Copy and merge
imagecopymerge($dest, $src, 10, 10, 0, 0, 500, 200, 75);
 
// Output and free from memory
header('Content-Type: image/png');
imagegif($dest);
 
imagedestroy($dest);
imagedestroy($src);
?>


Output: 

copy merge image

Related Articles:

Reference: http://php.net/manual/en/function.imagecopymerge.php



Last Updated : 28 Apr, 2023
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