The Gmagick::queryformats() function is an inbuilt function in PHP which is used to get the format supported by Gmagick object.
Syntax:
array Gmagick::queryformats( string $pattern )
Parameters: This function accepts a single parameter $pattern which holds the regex pattern to check if a format is supported or not.
Return Value: This function returns an array value containing the formats.
Exceptions: This function throws GmagickException on error.
Below given programs illustrate the Gmagick::queryformats() function in PHP:
Program 1 (Get all the formats):
<?php   // Create a new Gmagick object $gmagick = new Gmagick();   // Get all formats $formats = $gmagick->queryformats('*');   foreach ($formats as $format) {     echo $format . "<br>"; } ?> |
Output:
3FR 8BIM 8BIMTEXT 8BIMWTEXT APP1 APP1JPEG ART ARW AVS . . .etc
Program 2 (Checking if a format is supported):
<?php   // Create a new Gmagick object $gmagick = new Gmagick();   // Get all formats $formats = $gmagick->queryformats('*');   // Call the checker function checkFormat('JPEG', $formats); checkFormat('xyz', $formats);   // Checker function function checkFormat($format, $formats) {     if (in_array($format, $formats)) {         echo $format . ' is supported<br>';     } else {         echo $format . ' isn\'t supported<br>';     } } ?> |
Output:
JPEG is supported xyz isn't supported
Reference: https://www.php.net/manual/en/gmagick.queryformats.php
