PHP | getimagesize() Function

array getimagesize( $filename, $image_info )

• $filename: It is a mandatory parameter which specifies the image file name.
• $image_info: It is an optional parameter which allows you to extract some extended information from the image file such as the different JPG APP markers as associative array.

• The getimagesize() function returns zero for width and height if the formats which may contain no image or multiple images.
• The imageinfo parameter only supports JFIF files.
• The getimagesize() function will generate an error of level E_WARNING, if accessing the filename image is impossible.
• The getimagesize() will generate an error of level E_NOTICE, if there is any error in reading.

<?php

// Calling getimagesize() function
$image_info = getimagesize("geeks.png");
print_r($image_info);
?>

Array ( [0] => 667 
        [1] => 184 
        [2] => 3 
        [3] => width="667" height="184" 
        [bits] => 8 
        [mime] => image/png )

<?php

// Calling getimagesize() function
list($width, $height, $type, $attr) = getimagesize("geeks.png");
 
// 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;
?>

Width of image : 667
Height of image : 184
Image type :3
Image attribute :width="667" height="184"

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