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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 |
|---|---|
| 4138 | */ |
| 4139 | 'ext' => apply_filters( 'emoji_ext', '.png' ), |
| 4140 | ); |
| 4141 | |
| 4142 | $version = 'ver=' . $wp_version; |
| 4143 | |
| 4144 | if ( SCRIPT_DEBUG ) { |
| 4145 | $settings['source'] = array( |
| 4146 | /** This filter is documented in wp-includes/class.wp-scripts.php */ |
| 4147 | 'wpemoji' => apply_filters( 'script_loader_src', includes_url( "js/wp-emoji.js?$version" ), 'wpemoji' ), |
| 4148 | /** This filter is documented in wp-includes/class.wp-scripts.php */ |
| 4149 | 'twemoji' => apply_filters( 'script_loader_src', includes_url( "js/twemoji.js?$version" ), 'twemoji' ), |
| 4150 | ); |
| 4151 | |
| 4152 | ?> |
| 4153 | <script type="text/javascript"> |
| 4154 | window._wpemojiSettings = <?php echo wp_json_encode( $settings ); ?>; |
| 4155 | <?php readfile( ABSPATH . WPINC . "/js/wp-emoji-loader.js" ); ?> |
| 4156 | </script> |
| 4157 | <?php |
| 4158 | } else { |
| 4159 | $settings['source'] = array( |
| 4160 | /** This filter is documented in wp-includes/class.wp-scripts.php */ |
| 4161 | 'concatemoji' => apply_filters( 'script_loader_src', includes_url( "js/wp-emoji-release.min.js?$version" ), 'concatemoji' ), |
| 4162 | ); |
| 4163 | |
| 4164 | /* |
| 4165 | * If you're looking at a src version of this file, you'll see an "include" |
| 4166 | * statement below. This is used by the `grunt build` process to directly |
| 4167 | * include a minified version of wp-emoji-loader.js, instead of using the |
| 4168 | * readfile() method from above. |
| 4169 | * |
| 4170 | * If you're looking at a build version of this file, you'll see a string of |