ngg_read_image_metadata

This function return the most common metadata, via a filter we can add more Reason : GD manipulation removes that options.

Description

(array|boolean) apply_filters( 'ngg_read_image_metadata', (unknown) $meta ); 

Returns (array|boolean)

Parameters (1)

0. $meta (unknown)
The meta.

Usage

To run the hook, copy the example below.
  1. $meta = apply_filters( 'ngg_read_image_metadata', $meta ); 
  2.  
  3. if ( !empty( $meta ) ) { 
  4.  
  5. // everything has led up to this point... 
  6.  
  7.  
The following example is for adding a hook callback.
  1. // define the ngg_read_image_metadata callback 
  2. function filter_ngg_read_image_metadata( $meta ) { 
  3. // make filter magic happen here... 
  4. return $meta
  5. }; 
  6.  
  7. // add the filter 
  8. add_filter( 'ngg_read_image_metadata', 'filter_ngg_read_image_metadata', 10, 1 ); 
To remove a hook callback, use the example below.
  1. // remove the filter 
  2. remove_filter( 'ngg_read_image_metadata', 'filter_ngg_read_image_metadata', 10, 1 ); 

Defined (1)

The filter is defined in the following location(s).

/lib/meta.php  
  1. $meta = apply_filters( 'ngg_read_image_metadata', $meta );