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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 |
|---|---|
| 5578 | function _print_emoji_detection_script() { |
| 5579 | $settings = array( |
| 5580 | /** |
| 5581 | * Filters the URL where emoji png images are hosted. |
| 5582 | * |
| 5583 | * @since 4.2.0 |
| 5584 | * |
| 5585 | * @param string The emoji base URL for png images. |
| 5586 | */ |
| 5587 | 'baseUrl' => apply_filters( 'emoji_url', 'https://s.w.org/images/core/emoji/12.0.0-1/72x72/' ), |
| 5588 | |
| 5589 | /** |
| 5590 | * Filters the extension of the emoji png files. |
| 5591 | * |
| 5592 | * @since 4.2.0 |
| 5593 | * |
| 5594 | * @param string The emoji extension for png files. Default .png. |
| 5595 | */ |
| 5596 | 'ext' => apply_filters( 'emoji_ext', '.png' ), |
| Line | Code |
| 5711 | $possible_emoji[ $emojum ] = html_entity_decode( $emojum ); |
| 5712 | } |
| 5713 | } |
| 5714 | |
| 5715 | if ( ! $possible_emoji ) { |
| 5716 | return $text; |
| 5717 | } |
| 5718 | |
| 5719 | /** This filter is documented in wp-includes/formatting.php */ |
| 5720 | $cdn_url = apply_filters( 'emoji_url', 'https://s.w.org/images/core/emoji/12.0.0-1/72x72/' ); |
| 5721 | |
| 5722 | /** This filter is documented in wp-includes/formatting.php */ |
| 5723 | $ext = apply_filters( 'emoji_ext', '.png' ); |
| 5724 | |
| 5725 | $output = ''; |
| 5726 | /* |
| 5727 | * HTML loop taken from smiley function, which was taken from texturize function. |
| 5728 | * It'll never be consolidated. |
| 5729 | * |