PHP | png2wbmp() function

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The png2wbmp() function is an inbuilt function in PHP which is used to convert PNG image file to WBMP image file.

Syntax:

bool png2wbmp( string $pngname, 
int $wbmpname, int $dest_height, 
int $dest_width, int $threshold )

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

$pngname: It specifies the path to PNG file.
$wbmpname: It specifies the path to destination WBMP file.
$dest_height: It specifies the destination image height.
$dest_width: It specifies the destination image width.
$threshold: It specifies the threshold value.

Return Value: This function returns TRUE on success or FALSE on failure.

Below given programs illustrate the png2wbmp() function in PHP:
Program 1:

<?php 
// Path to the PNG image which 
// is to be converted 
$path = './zambiatek.png'; 
  
// Get the image sizes which includes 
// the height and width 
$image = getimagesize($path); 
$height = $image[1]; 
$width = $image[0]; 
  
// Convert image the image and save as test.wbmp 
png2wbmp($path, './converted.wbmp', $height, $width, 5); 
echo 'PNG converted into WBMP successfully.'; 
?> 

Output:

This will save the WBMP version of PNG in the same folder.

Program 2:

<?php 
// Path to the PNG image which 
// is to be converted 
$path = './zambiatek.jpg'; 
  
// Get the image sizes which includes 
// the height and width 
$image = getimagesize($path); 
$height = $image[1]; 
$width = $image[0]; 
  
// Convert image the image and save as test.wbmp 
png2wbmp($path, './converted.wbmp', $height, $width, 3); 
  
$im = imagecreatefromwbmp('./converted.wbmp'); 
  
header('Content-type: image/png'); 
imagepng($im); 
?> 