exif_imagetype

Function • Params and return types changed in PHP 8.0

Determine the type of an image.

PHP 5
PHP 7
PHP 8.0
Improved
PHP 8.1
PHP 8.2
PHP 8.3
PHP 8.4
PHP 8.5

exif_imagetype Function synopsis

exif_imagetype(string $filename): int|false

Parameters

$filename

Typestring

Return value

Typeint|false

When a correct signature is found, the appropriate constant value will be returned otherwise the return value is false. The return value is the same value that getimagesize returns in index 2 but exif_imagetype is much faster.

The following constants are defined, and represent possible 
[`exif_imagetype`](/codex/exif_imagetype) return values:

 [`exif_imagetype`](/codex/exif_imagetype) will emit an [`E_NOTICE`](/codex/E_NOTICE)
 and return `false` if it is unable to read enough bytes from the file to
 determine the image type.

exif_imagetype returns one of the following constant values:

Changes to the exif_imagetype Function

PHP 8.0

  • Return type added: int|false
  • Parameter name of parameter #1 changed: $imagefile to $filename
  • Parameter type added for parameter #1 ($filename): string
- exif_imagetype($imagefile)
+ exif_imagetype(string $filename): int|false

exif_imagetype Function Availability

PHP VersionAvailability
PHP 8.5Future Release Yes
PHP 8.4Upcoming Release Yes
PHP 8.3Supported (Latest) Yes
PHP 8.2Supported Yes
PHP 8.1Security-Fixes Only Yes
PHP 8.0Unsupported Yes
PHP 7.4Unsupported Yes
PHP 7.3Unsupported Yes
PHP 7.2Unsupported Yes
PHP 7.1Unsupported Yes
PHP 7.0Unsupported Yes
PHP 5.6Unsupported Yes
PHP 5.5Unsupported Yes
PHP 5.4Unsupported Yes
PHP 5.3Unsupported Yes