print_emoji_styles()
概述
print_emoji_styles() 是一个已弃用的 WordPress 函数，用于输出与表情符号相关的重要样式。自 WordPress 6.4.0 起，建议使用 wp_enqueue_emoji_styles() 替代。
关键要点
- 函数 print_emoji_styles() 已被弃用，从 WordPress 6.4.0 开始，应改用 wp_enqueue_emoji_styles()。
- 该函数检查当前主题是否支持 HTML5 样式，并输出相应的样式标签。
- 函数内部使用 static 变量确保样式只被输出一次，避免重复。
注意事项
- 在开发新代码时，避免使用此函数，以遵循 WordPress 最佳实践和兼容性。
- 如果维护旧代码，应考虑迁移到 wp_enqueue_emoji_styles() 以保持更新。
Prints the important emoji-related styles.
Source
function print_emoji_styles() {
_deprecated_function( __FUNCTION__, '6.4.0', 'wp_enqueue_emoji_styles' );
static $printed = false;
if ( $printed ) {
return;
}
$printed = true;
$type_attr = current_theme_supports( 'html5', 'style' ) ? '' : ' type="text/css"';
?>
<style<?php echo $type_attr; ?>>
img.wp-smiley,
img.emoji {
display: inline !important;
border: none !important;
box-shadow: none !important;
height: 1em !important;
width: 1em !important;
margin: 0 0.07em !important;
vertical-align: -0.1em !important;
background: none !important;
padding: 0 !important;
}
</style>
</pre><p class="wporg-dot-link-list"><a href="https://developer.wordpress.org/reference/files/wp-includes/deprecated.php/">View all references</a> <a href="https://core.trac.wordpress.org/browser/tags/6.9.4/src/wp-includes/deprecated.php#L5915">View on Trac</a> <a href="https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-includes/deprecated.php#L5915-L5942">View on GitHub</a></p></section>
<section class="wp-block-wporg-code-reference-related" data-nosnippet="true"><h2 id="related" class="is-toc-heading wp-block-heading has-heading-5-font-size" tabindex="-1" ><a href="#related">Related</a></h2> <section style="margin-top:var(--wp--preset--spacing--20)" class="wp-block-wporg-code-table" id="uses"><figure class="wp-block-table "><table><thead><tr><th scope="col">Uses</th><th scope="col">Description</th></tr></thead><tbody><tr class=""><td><a href="https://developer.wordpress.org/reference/functions/current_theme_supports/">current_theme_supports()</a><code>wp-includes/theme.php
Checks a theme’s support for a given feature.
_deprecated_function()wp-includes/functions.php
Marks a function as deprecated and inform when it has been used.
Changelog
| Version | Description |
|---|---|
| 6.4.0 | Deprecated. Use wp_enqueue_emoji_styles() instead. |
| 4.2.0 | Introduced. |