PHP built-in function gets the picture type-exif_imagetype

Get the picture type in PHP can use Exif_imagetype in PHP built-in functions

Pre-defined constants
The following constants are defined and represent the possible return values of Exif_imagetype ():

Image type constant Value constant
1 imagetype_gif
2 Imagetype_jpeg
3 Imagetype_png
4 imagetype_swf
5 IMAGETYPE_PSD
6 imagetype_bmp
7 Imagetype_tiff_ii (Intel byte order)
8 imagetype_tiff_mm (Motorola byte order)
9 IMAGETYPE_JPC
Ten IMAGETYPE_JP2
Imagetype_jpx
Imagetype_jb2
Imagetype_swc
Imagetype_iff
Imagetype_wbmp
Imagetype_xbm

#1 exif_imagetype () Example

<?php

if (exif_imagetype("image.gif") != IMAGETYPE_GIF) {
    echo "The picture is not a gif";
}

?>

PHP built-in function gets the picture type-exif_imagetype