PHP | getimagesizefromstring() Function Last Updated : 26 Aug, 2019 Comments Improve Suggest changes Like Article Like Report The getimagesizefromstring() function is an inbuilt function in PHP which is used to get the size of an image from a string. This function accepts the image data as a string parameter and determines the image size and returns the dimensions with the file type and height/width of the image. Syntax: array getimagesizefromstring( $imagedata, &$imageinfo ) Parameters: This function accepts two parameters as mentioned above and described below: $filename: It is a mandatory parameter which accepts image data as a string. $imageinfo: It is an optional parameter which allows to extract some extended information from the image file such as the different JPG APP markers as associative array. Return Value: This function returns the dimensions along with the file type and the height/width text string. Below programs illustrate the getimagesizefromstring() function in PHP: Image: Example 1 : php <?php $img = 'https://media.geeksforgeeks.org/wp-content/uploads/geeksforgeeks-25.png'; // Open image as a string $data = file_get_contents($img); // getimagesizefromstring function accepts image data as string $info = getimagesizefromstring($data); // Display the image content var_dump($info); ?> Output: array(6) { [0]=> int(667) [1]=> int(184) [2]=> int(3) [3]=> string(24) "width="667" height="184"" ["bits"]=> int(8) ["mime"]=> string(9) "image/png" } Example 2: php <?php $img = 'https://media.geeksforgeeks.org/wp-content/uploads/geeksforgeeks-25.png'; // Open image as a string $data = file_get_contents($img); // getimagesizefromstring function accepts image data as string list($width, $height, $type, $attr) = getimagesizefromstring($data); // Displaying dimensions of the image echo "Width of image: " . $width . "<br>"; echo "Height of image: " . $height . "<br>"; echo "Image type: " . $type . "<br>"; echo "Image attribute: " . $attr; ?> Output: Width of image: 667 Height of image: 184 Image type: 3 Image attribute: width="667" height="184" Reference: http://php.net/manual/en/function.getimagesizefromstring.php Comment More infoAdvertise with us Next Article PHP | getimagesizefromstring() Function sarthak_ishu11 Follow Improve Article Tags : Technical Scripter Web Technologies PHP Image-Processing PHP-function +1 More Similar Reads JavaScript Tutorial JavaScript is a programming language used to create dynamic content for websites. It is a lightweight, cross-platform, and single-threaded programming language. 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