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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 |
|---|---|
| 5463 | 'baseUrl' => apply_filters( 'emoji_url', 'https://s.w.org/images/core/emoji/12.0.0-1/72x72/' ), |
| 5464 | |
| 5465 | /** |
| 5466 | * Filters the extension of the emoji png files. |
| 5467 | * |
| 5468 | * @since 4.2.0 |
| 5469 | * |
| 5470 | * @param string The emoji extension for png files. Default .png. |
| 5471 | */ |
| 5472 | 'ext' => apply_filters( 'emoji_ext', '.png' ), |
| 5473 | |
| 5474 | /** |
| 5475 | * Filters the URL where emoji SVG images are hosted. |
| 5476 | * |
| 5477 | * @since 4.6.0 |
| 5478 | * |
| 5479 | * @param string The emoji base URL for svg images. |
| 5480 | */ |
| 5481 | 'svgUrl' => apply_filters( 'emoji_svg_url', 'https://s.w.org/images/core/emoji/12.0.0-1/svg/' ), |
| Line | Code |
| 5599 | |
| 5600 | if ( ! $possible_emoji ) { |
| 5601 | return $text; |
| 5602 | } |
| 5603 | |
| 5604 | /** This filter is documented in wp-includes/formatting.php */ |
| 5605 | $cdn_url = apply_filters( 'emoji_url', 'https://s.w.org/images/core/emoji/12.0.0-1/72x72/' ); |
| 5606 | |
| 5607 | /** This filter is documented in wp-includes/formatting.php */ |
| 5608 | $ext = apply_filters( 'emoji_ext', '.png' ); |
| 5609 | |
| 5610 | $output = ''; |
| 5611 | /* |
| 5612 | * HTML loop taken from smiley function, which was taken from texturize function. |
| 5613 | * It'll never be consolidated. |
| 5614 | * |
| 5615 | * First, capture the tags as well as in between. |
| 5616 | */ |
| 5617 | $textarr = preg_split( '/(<.*>)/U', $text, -1, PREG_SPLIT_DELIM_CAPTURE ); |