How to use post_mime_types filter in WordPress

post_mime_types filter

Filters the default list of post mime types.

apply_filters( 'post_mime_types', array $post_mime_types )

Description

This is a filter hook used to filter the default list of post mime types. It’s utilized by the get_post_mime_types() hook to get default post mime types.

Parameters

• $post_mime_types: (array) Default list of post mime types.

Live Examples

Example 1: Basic Hook Usage

To run the hook, copy the example below.

$post_mime_types = apply_filters( 'post_mime_types', $post_mime_types ); 
                         
if ( !empty( $post_mime_types ) ) { 
    // everything has led up to this point... 
} 

Example 2: Adding a Hook Callback

The following example is for adding a hook callback.

// define the post_mime_types callback 
function weplugins_filter_post_mime_types( $post_mime_types ) { 
    // make filter magic happen here... 
    return $post_mime_types; 
}; 
         
// add the filter 
add_filter( 'post_mime_types', 'weplugins_filter_post_mime_types', 10, 1 ); 

Example 3: Removing a Hook Callback

To remove a hook callback, use the example below.

// remove the filter 
remove_filter( 'post_mime_types', 'weplugins_filter_post_mime_types', 10, 1 ); 

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