PHP | png2wbmp() function

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 = './geeksforgeeks.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 = './geeksforgeeks.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);
?>

Output:

Reference: https://www.php.net/manual/en/function.png2wbmp.php