imageMeta Class Reference

Image metadata. More...

Public Member Functions
	getMeta ()
	loadFile ($filename)

Static Public Member Functions
static	readMeta ($filename)

Protected Member Functions
	readXMP ($filename)
	readIPTC ($filename)
	readEXIF ($filename)

Protected Attributes
	$xmp = []
	$iptc = []
	$exif = []
	$properties
	$xmp_reg
	$iptc_ref
	$iptc_to_property
	$exif_to_property

Detailed Description

Image metadata.

This class reads EXIF, IPTC and XMP metadata from a JPEG file.

• Contributor: Mathieu Lecarme.

Member Function Documentation

readMeta()

static readMeta (   $filename )

static

Read metadata

Returns all image metadata in an array as defined in $properties.

Parameters

string

$filename

Image file path

Returns

array

Referenced by dcMedia\imageMetaCreate().

getMeta()

getMeta

(

)

Get metadata

Returns all image metadata in an array as defined in $properties. Should call loadFile() before.

Returns

array

References $properties.

loadFile()

loadFile

(

$filename

)

Load file

Loads a file and read its metadata.

Parameters

string

$filename

Image file path

References readIPTC(), and readXMP().

readXMP()

readXMP (   $filename )

protected

Read XMP

Reads XML metadata and assigns values to $xmp.

Parameters

string

$filename

Image file path

References $code, and $xmp.

Referenced by loadFile().

readIPTC()

readIPTC (   $filename )

protected

Read IPTC

Reads IPTC metadata and assigns values to $iptc.

Parameters

string

$filename

Image file path

References $iptc.

Referenced by loadFile().

readEXIF()

readEXIF (   $filename )

protected

Read EXIF

Reads EXIF metadata and assigns values to $exif.

Parameters

string

$filename

Image file path

Field Documentation

$xmp

$xmp = []

protected

Referenced by readXMP().

$iptc

$iptc = []

protected

Referenced by readIPTC().

$exif

$exif = []

protected

$properties

$properties

protected

Initial value:

= [
        'Title'             => null,
        'Description'       => null,
        'Creator'           => null,
        'Rights'            => null,
        'Make'              => null,
        'Model'             => null,
        'Exposure'          => null,
        'FNumber'           => null,
        'MaxApertureValue'  => null,
        'ExposureProgram'   => null,
        'ISOSpeedRatings'   => null,
        'DateTimeOriginal'  => null,
        'ExposureBiasValue' => null,
        'MeteringMode'      => null,
        'FocalLength'       => null,
        'Lens'              => null,
        'CountryCode'       => null,
        'Country'           => null,
        'State'             => null,
        'City'              => null,
        'Keywords'          => null,
    ]

array $properties Final properties array

Referenced by getMeta().

$xmp_reg

$xmp_reg

protected

$iptc_ref

$iptc_ref

protected

Initial value:

= [
        '1#090' => 'Iptc.Envelope.CharacterSet', 
        '2#005' => 'Iptc.ObjectName',            
        '2#015' => 'Iptc.Category',              
        '2#020' => 'Iptc.Supplementals',         
        '2#025' => 'Iptc.Keywords',              
        '2#040' => 'Iptc.SpecialsInstructions',  
        '2#055' => 'Iptc.DateCreated',           
        '2#060' => 'Iptc.TimeCreated',           
        '2#062' => 'Iptc.DigitalCreationDate',   
        '2#063' => 'Iptc.DigitalCreationTime',   
        '2#080' => 'Iptc.ByLine',                
        '2#085' => 'Iptc.ByLineTitle',           
        '2#090' => 'Iptc.City',                  
        '2#092' => 'Iptc.Sublocation',           
        '2#095' => 'Iptc.ProvinceState',         
        '2#100' => 'Iptc.CountryCode',           
        '2#101' => 'Iptc.CountryName',           
        '2#105' => 'Iptc.Headline',              
        '2#110' => 'Iptc.Credits',               
        '2#115' => 'Iptc.Source',                
        '2#116' => 'Iptc.Copyright',             
        '2#118' => 'Iptc.Contact',               
        '2#120' => 'Iptc.Caption',               
        '2#122' => 'Iptc.CaptionWriter',         
    ]

$iptc_to_property

$iptc_to_property

protected

Initial value:

= [
        'Iptc.ObjectName'    => 'Title',
        'Iptc.Caption'       => 'Description',
        'Iptc.ByLine'        => 'Creator',
        'Iptc.Copyright'     => 'Rights',
        'Iptc.CountryCode'   => 'CountryCode',
        'Iptc.CountryName'   => 'Country',
        'Iptc.ProvinceState' => 'State',
        'Iptc.City'          => 'City',
        'Iptc.Keywords'      => 'Keywords',
    ]

$exif_to_property

$exif_to_property

protected

Initial value:

= [
        
        'ImageDescription'  => 'Description',
        'Artist'            => 'Creator',
        'Copyright'         => 'Rights',
        'Make'              => 'Make',
        'Model'             => 'Model',
        'ExposureTime'      => 'Exposure',
        'FNumber'           => 'FNumber',
        'MaxApertureValue'  => 'MaxApertureValue',
        'ExposureProgram'   => 'ExposureProgram',
        'ISOSpeedRatings'   => 'ISOSpeedRatings',
        'DateTimeOriginal'  => 'DateTimeOriginal',
        'ExposureBiasValue' => 'ExposureBiasValue',
        'MeteringMode'      => 'MeteringMode',
        'FocalLength'       => 'FocalLength',
        
        
        
        
        
        
    ]

---

The documentation for this class was generated from the following file:

• inc/helper/image/class.image.meta.php