WordPress at a glance
filter is not described

emoji_ext filter-hook . WP 4.2.0

Filters the extension of the emoji png files.

Usage

add_filter( 'emoji_ext', 'filter_function_name_5968' );
function filter_function_name_5968( $extension ){
	// filter...

	return $extension;
}
$extension(string)
The emoji extension for png files. Default .png.

Changelog

Since 4.2.0 Introduced.

Where the hook is called

_print_emoji_detection_script()
emoji_ext
wp_staticize_emoji()
emoji_ext
wp-includes/formatting.php 5660
'ext'     => apply_filters( 'emoji_ext', '.png' ),
wp-includes/formatting.php 5788
$ext = apply_filters( 'emoji_ext', '.png' );

Where in WP core the hook is used

Usage not found!