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Return Values ¶ A string with the extension corresponding to the given image type, or false on failure.
- Getimagesize
Caution This function expects filename to be a valid image...
- Imagecreatefromjpeg
imagecreatefromjpeg () returns an image identifier...
- Imagepng
Parameters ¶ image A GdImage object, returned by one of the...
- Imagejpeg
When displaying an image using imagepng or imagejpeg, you...
- Imagewebp
Parameters ¶ image A GdImage object, returned by one of the...
- Imagettftext
Writes the given text into the image using TrueType fonts....
- Imagecreatefromstring
imagecreatefromstring () returns an image identifier...
- Imagecreatefrompng
imagecreatefrompng () returns an image identifier...
- Getimagesize
May 26, 2023 · The image_type_to_extension () function is an inbuilt function in PHP which is used to get the file extension for an image type. This function can be found in any PHP version similar or greater than 5.2.0.
Jan 14, 2026 · PHP already gives you that mapping, and it’s one of those tiny helpers that pays for itself every time you handle files at scale: imagetypeto_extension(). If you work with media uploads, thumbnails, or any kind of file normalization, this function is the glue between raw image type data and clean, consistent file names.
Feb 7, 2013 · I want get uploaded image extension. As I know, best way is getimagesize() function. but this function's mime, returns image/jpeg when image has .jpg or also .JPEG extension. How can get exac...
image_type_to_extension — Returns the extension for the specified image type.
image_type_to_extension Function • Params and return types changed in PHP 8.0 Get file extension for image type.
Parameters imagetype One of the IMAGETYPE_XXX constant. include_dot Whether to prepend a dot to the extension or not. Default to true. Return Values A string with the extension corresponding to the given image type.
