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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 3 times in this file.
| Line | Code |
|---|---|
| 5721 | 'svgExt' => apply_filters( 'emoji_svg_ext', '.svg' ), |
| 5722 | ); |
| 5723 | |
| 5724 | $version = 'ver=' . get_bloginfo( 'version' ); |
| 5725 | $type_attr = current_theme_supports( 'html5', 'style' ) ? '' : ' type="text/javascript"'; |
| 5726 | |
| 5727 | if ( SCRIPT_DEBUG ) { |
| 5728 | $settings['source'] = array( |
| 5729 | /** This filter is documented in wp-includes/class.wp-scripts.php */ |
| 5730 | 'wpemoji' => apply_filters( 'script_loader_src', includes_url( "js/wp-emoji.js?$version" ), 'wpemoji' ), |
| 5731 | /** This filter is documented in wp-includes/class.wp-scripts.php */ |
| 5732 | 'twemoji' => apply_filters( 'script_loader_src', includes_url( "js/twemoji.js?$version" ), 'twemoji' ), |
| 5733 | ); |
| 5734 | |
| 5735 | ?> |
| 5736 | <script<?php echo $type_attr; ?>> |
| 5737 | window._wpemojiSettings = <?php echo wp_json_encode( $settings ); ?>; |
| 5738 | <?php readfile( ABSPATH . WPINC . '/js/wp-emoji-loader.js' ); ?> |
| 5739 | </script> |
| 5740 | <?php |
| 5741 | } else { |
| 5742 | $settings['source'] = array( |
| 5743 | /** This filter is documented in wp-includes/class.wp-scripts.php */ |
| 5744 | 'concatemoji' => apply_filters( 'script_loader_src', includes_url( "js/wp-emoji-release.min.js?$version" ), 'concatemoji' ), |
| 5745 | ); |
| 5746 | |
| 5747 | /* |
| 5748 | * If you're looking at a src version of this file, you'll see an "include" |
| 5749 | * statement below. This is used by the `npm run build` process to directly |
| 5750 | * include a minified version of wp-emoji-loader.js, instead of using the |
| 5751 | * readfile() method from above. |
| 5752 | * |
| 5753 | * If you're looking at a build version of this file, you'll see a string of |