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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )apply_filters( "hook_name", "what_to_filter" ).Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
This hook occurs 2 times in this file.
| Line | Code |
|---|---|
| 5685 | function _print_emoji_detection_script() { |
| 5686 | $settings = array( |
| 5687 | /** |
| 5688 | * Filters the URL where emoji png images are hosted. |
| 5689 | * |
| 5690 | * @since 4.2.0 |
| 5691 | * |
| 5692 | * @param string $url The emoji base URL for png images. |
| 5693 | */ |
| 5694 | 'baseUrl' => apply_filters( 'emoji_url', 'https://s.w.org/images/core/emoji/13.0.0/72x72/' ), |
| 5695 | |
| 5696 | /** |
| 5697 | * Filters the extension of the emoji png files. |
| 5698 | * |
| 5699 | * @since 4.2.0 |
| 5700 | * |
| 5701 | * @param string $extension The emoji extension for png files. Default .png. |
| 5702 | */ |
| 5703 | 'ext' => apply_filters( 'emoji_ext', '.png' ), |
| Line | Code |
| 5818 | $possible_emoji[ $emojum ] = html_entity_decode( $emojum ); |
| 5819 | } |
| 5820 | } |
| 5821 | |
| 5822 | if ( ! $possible_emoji ) { |
| 5823 | return $text; |
| 5824 | } |
| 5825 | |
| 5826 | /** This filter is documented in wp-includes/formatting.php */ |
| 5827 | $cdn_url = apply_filters( 'emoji_url', 'https://s.w.org/images/core/emoji/13.0.0/72x72/' ); |
| 5828 | |
| 5829 | /** This filter is documented in wp-includes/formatting.php */ |
| 5830 | $ext = apply_filters( 'emoji_ext', '.png' ); |
| 5831 | |
| 5832 | $output = ''; |
| 5833 | /* |
| 5834 | * HTML loop taken from smiley function, which was taken from texturize function. |
| 5835 | * It'll never be consolidated. |
| 5836 | * |