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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 |
|---|---|
| 5037 | 'baseUrl' => apply_filters( 'emoji_url', 'https://s.w.org/images/core/emoji/11/72x72/' ), |
| 5038 | |
| 5039 | /** |
| 5040 | * Filters the extension of the emoji png files. |
| 5041 | * |
| 5042 | * @since 4.2.0 |
| 5043 | * |
| 5044 | * @param string The emoji extension for png files. Default .png. |
| 5045 | */ |
| 5046 | 'ext' => apply_filters( 'emoji_ext', '.png' ), |
| 5047 | |
| 5048 | /** |
| 5049 | * Filters the URL where emoji SVG images are hosted. |
| 5050 | * |
| 5051 | * @since 4.6.0 |
| 5052 | * |
| 5053 | * @param string The emoji base URL for svg images. |
| 5054 | */ |
| 5055 | 'svgUrl' => apply_filters( 'emoji_svg_url', 'https://s.w.org/images/core/emoji/11/svg/' ), |
| Line | Code |
| 5171 | |
| 5172 | if ( ! $possible_emoji ) { |
| 5173 | return $text; |
| 5174 | } |
| 5175 | |
| 5176 | /** This filter is documented in wp-includes/formatting.php */ |
| 5177 | $cdn_url = apply_filters( 'emoji_url', 'https://s.w.org/images/core/emoji/11/72x72/' ); |
| 5178 | |
| 5179 | /** This filter is documented in wp-includes/formatting.php */ |
| 5180 | $ext = apply_filters( 'emoji_ext', '.png' ); |
| 5181 | |
| 5182 | $output = ''; |
| 5183 | /* |
| 5184 | * HTML loop taken from smiley function, which was taken from texturize function. |
| 5185 | * It'll never be consolidated. |
| 5186 | * |
| 5187 | * First, capture the tags as well as in between. |
| 5188 | */ |
| 5189 | $textarr = preg_split( '/(<.*>)/U', $text, -1, PREG_SPLIT_DELIM_CAPTURE ); |