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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 |
|---|---|
| 5942 | 'baseUrl' => apply_filters( 'emoji_url', 'https://s.w.org/images/core/emoji/17.0.2/72x72/' ), |
| 5943 | |
| 5944 | /** |
| 5945 | * Filters the extension of the emoji png files. |
| 5946 | * |
| 5947 | * @since 4.2.0 |
| 5948 | * |
| 5949 | * @param string $extension The emoji extension for png files. Default .png. |
| 5950 | */ |
| 5951 | 'ext' => apply_filters( 'emoji_ext', '.png' ), |
| 5952 | |
| 5953 | /** |
| 5954 | * Filters the URL where emoji SVG images are hosted. |
| 5955 | * |
| 5956 | * @since 4.6.0 |
| 5957 | * |
| 5958 | * @param string $url The emoji base URL for svg images. |
| 5959 | */ |
| 5960 | 'svgUrl' => apply_filters( 'emoji_svg_url', 'https://s.w.org/images/core/emoji/17.0.2/svg/' ), |
| Line | Code |
| 6061 | |
| 6062 | if ( ! $possible_emoji ) { |
| 6063 | return $text; |
| 6064 | } |
| 6065 | |
| 6066 | /** This filter is documented in wp-includes/formatting.php */ |
| 6067 | $cdn_url = apply_filters( 'emoji_url', 'https://s.w.org/images/core/emoji/17.0.2/72x72/' ); |
| 6068 | |
| 6069 | /** This filter is documented in wp-includes/formatting.php */ |
| 6070 | $ext = apply_filters( 'emoji_ext', '.png' ); |
| 6071 | |
| 6072 | $output = ''; |
| 6073 | /* |
| 6074 | * HTML loop taken from smiley function, which was taken from texturize function. |
| 6075 | * It'll never be consolidated. |
| 6076 | * |
| 6077 | * First, capture the tags as well as in between. |
| 6078 | */ |
| 6079 | $textarr = preg_split( '/(<.*>)/U', $text, -1, PREG_SPLIT_DELIM_CAPTURE ); |