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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 |
|---|---|
| 5756 | 'baseUrl' => apply_filters( 'emoji_url', 'https://s.w.org/images/core/emoji/14.0.0/72x72/' ), |
| 5757 | |
| 5758 | /** |
| 5759 | * Filters the extension of the emoji png files. |
| 5760 | * |
| 5761 | * @since 4.2.0 |
| 5762 | * |
| 5763 | * @param string $extension The emoji extension for png files. Default .png. |
| 5764 | */ |
| 5765 | 'ext' => apply_filters( 'emoji_ext', '.png' ), |
| 5766 | |
| 5767 | /** |
| 5768 | * Filters the URL where emoji SVG images are hosted. |
| 5769 | * |
| 5770 | * @since 4.6.0 |
| 5771 | * |
| 5772 | * @param string $url The emoji base URL for svg images. |
| 5773 | */ |
| 5774 | 'svgUrl' => apply_filters( 'emoji_svg_url', 'https://s.w.org/images/core/emoji/14.0.0/svg/' ), |
| Line | Code |
| 5863 | |
| 5864 | if ( ! $possible_emoji ) { |
| 5865 | return $text; |
| 5866 | } |
| 5867 | |
| 5868 | /** This filter is documented in wp-includes/formatting.php */ |
| 5869 | $cdn_url = apply_filters( 'emoji_url', 'https://s.w.org/images/core/emoji/14.0.0/72x72/' ); |
| 5870 | |
| 5871 | /** This filter is documented in wp-includes/formatting.php */ |
| 5872 | $ext = apply_filters( 'emoji_ext', '.png' ); |
| 5873 | |
| 5874 | $output = ''; |
| 5875 | /* |
| 5876 | * HTML loop taken from smiley function, which was taken from texturize function. |
| 5877 | * It'll never be consolidated. |
| 5878 | * |
| 5879 | * First, capture the tags as well as in between. |
| 5880 | */ |
| 5881 | $textarr = preg_split( '/(<.*>)/U', $text, -1, PREG_SPLIT_DELIM_CAPTURE ); |