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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 |
---|---|
5766 | 'baseUrl' => apply_filters( 'emoji_url', 'https://s.w.org/images/core/emoji/14.0.0/72x72/' ), |
5767 |
|
5768 | /** |
5769 | * Filters the extension of the emoji png files. |
5770 | * |
5771 | * @since 4.2.0 |
5772 | * |
5773 | * @param string $extension The emoji extension for png files. Default .png. |
5774 | */ |
5775 | 'ext' => apply_filters( 'emoji_ext', '.png' ), |
5776 |
|
5777 | /** |
5778 | * Filters the URL where emoji SVG images are hosted. |
5779 | * |
5780 | * @since 4.6.0 |
5781 | * |
5782 | * @param string $url The emoji base URL for svg images. |
5783 | */ |
5784 | 'svgUrl' => apply_filters( 'emoji_svg_url', 'https://s.w.org/images/core/emoji/14.0.0/svg/' ), |
Line | Code |
5873 |
|
5874 | if ( ! $possible_emoji ) { |
5875 | return $text; |
5876 | } |
5877 |
|
5878 | /** This filter is documented in wp-includes/formatting.php */ |
5879 | $cdn_url = apply_filters( 'emoji_url', 'https://s.w.org/images/core/emoji/14.0.0/72x72/' ); |
5880 |
|
5881 | /** This filter is documented in wp-includes/formatting.php */ |
5882 | $ext = apply_filters( 'emoji_ext', '.png' ); |
5883 |
|
5884 | $output = ''; |
5885 | /* |
5886 | * HTML loop taken from smiley function, which was taken from texturize function. |
5887 | * It'll never be consolidated. |
5888 | * |
5889 | * First, capture the tags as well as in between. |
5890 | */ |
5891 | $textarr = preg_split( '/(<.*>)/U', $text, -1, PREG_SPLIT_DELIM_CAPTURE ); |