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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 |
|---|---|
| 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' ), |
| 5704 | |
| 5705 | /** |
| 5706 | * Filters the URL where emoji SVG images are hosted. |
| 5707 | * |
| 5708 | * @since 4.6.0 |
| 5709 | * |
| 5710 | * @param string $url The emoji base URL for svg images. |
| 5711 | */ |
| 5712 | 'svgUrl' => apply_filters( 'emoji_svg_url', 'https://s.w.org/images/core/emoji/13.0.0/svg/' ), |
| Line | Code |
| 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 | * |
| 5837 | * First, capture the tags as well as in between. |
| 5838 | */ |
| 5839 | $textarr = preg_split( '/(<.*>)/U', $text, -1, PREG_SPLIT_DELIM_CAPTURE ); |