PHP Class Horde_Image_Exif, horde

Works equally well with either the built in php exif functions (if PHP compiled with exif support), the Exiftool package (more complete but slower), or the bundled exif library. Copyright 2003-2014 Horde LLC (http://www.horde.org/)

Author: Michael J. Rubinsky ([email protected])

Author: Chuck Hagenbuch ([email protected])

Show file Open project: horde/horde Class Usage Examples

Protected Properties

Property	Type	Description
$_descriptionFields
$_titleFields

Public Methods

Method	Description
factory ( string $driver = null, array $params = [] ) : Horde_Image_Exif	Factory method for instantiating a Horde_Image_Exif object.
getCategories ( ) : array	Obtains an array of supported meta data fields.
getDescriptionFields ( mixed $driver = null ) : array	Returns a list of metadata fields that can by used for image descriptions.
getFields ( mixed $driver = null, boolean $description_only = false ) : array	Returns a flattened array of supported metadata fields.
getHumanReadable ( string $field, string $data ) : string	Converts an exif field into human-readable form.
getTitleFields ( mixed $driver = null ) : array	Returns a list of metadata fields that can by used for image titles.
intel2Moto ( string $intel ) : string	Converts from Intel to Motorola endien.

Protected Methods

Method	Description
_convertToFraction ( $v, &$n, &$d )	Converts a floating point number into a fraction.
_formatExposure ( $data )	More human friendly exposure formatting.

Method Details

_convertToFraction() protected static method

Many thanks to Matthieu Froment for this code. (Ported from the Exifer library).

protected static _convertToFraction ( $v, &$n, &$d )

_formatExposure() protected static method

More human friendly exposure formatting.

protected static _formatExposure ( $data )

factory() public static method

Factory method for instantiating a Horde_Image_Exif object.

public static factory ( string $driver = null, array $params = [] ) : Horde_Image_Exif
$driver	string
$params	array
return	Horde_Image_Exif

getCategories() public static method

Obtains an array of supported meta data fields.

public static getCategories ( ) : array
return	array

getDescriptionFields() public static method

Returns a list of metadata fields that can by used for image descriptions.

Since: 2.1.0

public static getDescriptionFields ( mixed $driver = null ) : array
$driver	mixed	A Horde_Image_Exif_Base instance or a string specifying the driver in use.
return	array	An array of metadata field hashes.

getFields() public static method

Returns a flattened array of supported metadata fields.

public static getFields ( mixed $driver = null, boolean $description_only = false ) : array
$driver	mixed	A Horde_Image_Exif_Base instance or a string specifying the driver in use.
$description_only	boolean	Only return the field descriptions.
return	array

getHumanReadable() public static method

Some of these cases are ported from the Exifer library, others were changed from their implementation where the EXIF standard dictated different behaviour.

public static getHumanReadable ( string $field, string $data ) : string
$field	string	The name of the field to translate.
$data	string	The data value to translate.
return	string	The converted data.

getTitleFields() public static method

Returns a list of metadata fields that can by used for image titles.

Since: 2.1.0

public static getTitleFields ( mixed $driver = null ) : array
$driver	mixed	A Horde_Image_Exif_Base instance or a string specifying the driver in use.
return	array	An array of metadata field name hashes.

intel2Moto() public static method

Just reverses the bytes (assumes hex is passed in)

public static intel2Moto ( string $intel ) : string
$intel	string
return	string

Property Details

$_descriptionFields protected static property

protected static $_descriptionFields

$_titleFields protected static property

protected static $_titleFields