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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 |
|---|---|
| 5674 | 'baseUrl' => apply_filters( 'emoji_url', 'https://s.w.org/images/core/emoji/13.0.1/72x72/' ), |
| 5675 | |
| 5676 | /** |
| 5677 | * Filters the extension of the emoji png files. |
| 5678 | * |
| 5679 | * @since 4.2.0 |
| 5680 | * |
| 5681 | * @param string $extension The emoji extension for png files. Default .png. |
| 5682 | */ |
| 5683 | 'ext' => apply_filters( 'emoji_ext', '.png' ), |
| 5684 | |
| 5685 | /** |
| 5686 | * Filters the URL where emoji SVG images are hosted. |
| 5687 | * |
| 5688 | * @since 4.6.0 |
| 5689 | * |
| 5690 | * @param string $url The emoji base URL for svg images. |
| 5691 | */ |
| 5692 | 'svgUrl' => apply_filters( 'emoji_svg_url', 'https://s.w.org/images/core/emoji/13.0.1/svg/' ), |
| Line | Code |
| 5801 | |
| 5802 | if ( ! $possible_emoji ) { |
| 5803 | return $text; |
| 5804 | } |
| 5805 | |
| 5806 | /** This filter is documented in wp-includes/formatting.php */ |
| 5807 | $cdn_url = apply_filters( 'emoji_url', 'https://s.w.org/images/core/emoji/13.0.1/72x72/' ); |
| 5808 | |
| 5809 | /** This filter is documented in wp-includes/formatting.php */ |
| 5810 | $ext = apply_filters( 'emoji_ext', '.png' ); |
| 5811 | |
| 5812 | $output = ''; |
| 5813 | /* |
| 5814 | * HTML loop taken from smiley function, which was taken from texturize function. |
| 5815 | * It'll never be consolidated. |
| 5816 | * |
| 5817 | * First, capture the tags as well as in between. |
| 5818 | */ |
| 5819 | $textarr = preg_split( '/(<.*>)/U', $text, -1, PREG_SPLIT_DELIM_CAPTURE ); |