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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 |
|---|---|
| 5924 | 'baseUrl' => apply_filters( 'emoji_url', 'https://s.w.org/images/core/emoji/14.0.0/72x72/' ), |
| 5925 | |
| 5926 | /** |
| 5927 | * Filters the extension of the emoji png files. |
| 5928 | * |
| 5929 | * @since 4.2.0 |
| 5930 | * |
| 5931 | * @param string $extension The emoji extension for png files. Default .png. |
| 5932 | */ |
| 5933 | 'ext' => apply_filters( 'emoji_ext', '.png' ), |
| 5934 | |
| 5935 | /** |
| 5936 | * Filters the URL where emoji SVG images are hosted. |
| 5937 | * |
| 5938 | * @since 4.6.0 |
| 5939 | * |
| 5940 | * @param string $url The emoji base URL for svg images. |
| 5941 | */ |
| 5942 | 'svgUrl' => apply_filters( 'emoji_svg_url', 'https://s.w.org/images/core/emoji/14.0.0/svg/' ), |
| Line | Code |
| 6031 | |
| 6032 | if ( ! $possible_emoji ) { |
| 6033 | return $text; |
| 6034 | } |
| 6035 | |
| 6036 | /** This filter is documented in wp-includes/formatting.php */ |
| 6037 | $cdn_url = apply_filters( 'emoji_url', 'https://s.w.org/images/core/emoji/14.0.0/72x72/' ); |
| 6038 | |
| 6039 | /** This filter is documented in wp-includes/formatting.php */ |
| 6040 | $ext = apply_filters( 'emoji_ext', '.png' ); |
| 6041 | |
| 6042 | $output = ''; |
| 6043 | /* |
| 6044 | * HTML loop taken from smiley function, which was taken from texturize function. |
| 6045 | * It'll never be consolidated. |
| 6046 | * |
| 6047 | * First, capture the tags as well as in between. |
| 6048 | */ |
| 6049 | $textarr = preg_split( '/(<.*>)/U', $text, -1, PREG_SPLIT_DELIM_CAPTURE ); |