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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 |
|---|---|
| 4527 | 'baseUrl' => apply_filters( 'emoji_url', set_url_scheme( '//s.w.org/images/core/emoji/72x72/' ) ), |
| 4528 | |
| 4529 | /** |
| 4530 | * Filter the extension of the emoji files. |
| 4531 | * |
| 4532 | * @since 4.2.0 |
| 4533 | * |
| 4534 | * @param string The emoji extension. Default .png. |
| 4535 | */ |
| 4536 | 'ext' => apply_filters( 'emoji_ext', '.png' ), |
| 4537 | ); |
| 4538 | |
| 4539 | $version = 'ver=' . $wp_version; |
| 4540 | |
| 4541 | if ( SCRIPT_DEBUG ) { |
| 4542 | $settings['source'] = array( |
| 4543 | /** This filter is documented in wp-includes/class.wp-scripts.php */ |
| 4544 | 'wpemoji' => apply_filters( 'script_loader_src', includes_url( "js/wp-emoji.js?$version" ), 'wpemoji' ), |
| 4545 | /** This filter is documented in wp-includes/class.wp-scripts.php */ |
| Line | Code |
| 4633 | * @return string The encoded content. |
| 4634 | */ |
| 4635 | function wp_staticize_emoji( $text ) { |
| 4636 | $text = wp_encode_emoji( $text ); |
| 4637 | |
| 4638 | /** This filter is documented in wp-includes/formatting.php */ |
| 4639 | $cdn_url = apply_filters( 'emoji_url', set_url_scheme( '//s.w.org/images/core/emoji/72x72/' ) ); |
| 4640 | |
| 4641 | /** This filter is documented in wp-includes/formatting.php */ |
| 4642 | $ext = apply_filters( 'emoji_ext', '.png' ); |
| 4643 | |
| 4644 | $output = ''; |
| 4645 | /* |
| 4646 | * HTML loop taken from smiley function, which was taken from texturize function. |
| 4647 | * It'll never be consolidated. |
| 4648 | * |
| 4649 | * First, capture the tags as well as in between. |
| 4650 | */ |
| 4651 | $textarr = preg_split( '/(<.*>)/U', $text, -1, PREG_SPLIT_DELIM_CAPTURE ); |