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wordpress函数convert_smilies()用法示例

convert_smilies( string $text )

Convert text equivalent of smilies to images.


描述

Will only convert smilies if the option ‘use_smilies’ is true and the global used in the function isn’t empty.


参数

$text

(string)
(Required)
Content to convert smilies from text.


返回值

(string) Converted content with text smilies replaced with images.


源代码

File: wp-includes/formatting.php

function convert_smilies( $text ) {
	global $wp_smiliessearch;
	$output = '';
	if ( get_option( 'use_smilies' ) && ! empty( $wp_smiliessearch ) ) {
		// HTML loop taken from texturize function, could possible be consolidated
		$textarr = preg_split( '/(<.*>)/U', $text, -1, PREG_SPLIT_DELIM_CAPTURE ); // capture the tags as well as in between
		$stop = count( $textarr );// loop stuff

		// Ignore proessing of specific tags
		$tags_to_ignore = 'code|pre|style|script|textarea';
		$ignore_block_element = '';

		for ( $i = 0; $i < $stop; $i++ ) {
			$content = $textarr[$i];

			// If we're in an ignore block, wait until we find its closing tag
			if ( '' == $ignore_block_element && preg_match( '/^<(' . $tags_to_ignore . ')>/', $content, $matches ) )  {
				$ignore_block_element = $matches[1];
			}

			// If it's not a tag and not in ignore block
			if ( '' ==  $ignore_block_element && strlen( $content ) > 0 && '<' != $content[0] ) {
				$content = preg_replace_callback( $wp_smiliessearch, 'translate_smiley', $content );
			}

			// did we exit ignore block
			if ( '' != $ignore_block_element && '</' . $ignore_block_element . '>' == $content )  {
				$ignore_block_element = '';
			}

			$output .= $content;
		}
	} else {
		// return default text.
		$output = $text;
	}
	return $output;
}

更新日志

Version 描述
0.71 Introduced.

相关函数

Uses

  • wp-includes/option.php:
    get_option()

User Contributed Notes

  1. Skip to note content

    You must log in to vote on the helpfulness of this noteVote results for this note: 0You must log in to vote on the helpfulness of this note

    Contributed by Codex

    Displays text with converted smilies

    echo convert_smilies("This smiley is going to show as an image... wordpress函数convert_smilies()用法示例 ");
  2. Make your plugin generated content parse emoticons:

    
    add_filter( "my_plugin_content_handle", "convert_smilies" );
    
    echo apply_filters( "my_plugin_content_handle", "Howdy! wordpress函数convert_smilies()用法示例 Generated with <3 by My Custom Plugin" );
    

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