PHP实例开发源码—php博客源码 WordPress正式版.zip

<?php /** * Main WordPress Formatting API. * * Handles many functions for formatting output. * * @package WordPress */ /** * Replaces common plain text characters with formatted entities. * * Returns given text with transformations of quotes into smart quotes, apostrophes, * dashes, ellipses, the trademark symbol, and the multiplication symbol. * * As an example, * * 'cause today's effort makes it worth tomorrow's "holiday" ... * * Becomes: * * &#8217;cause today&#8217;s effort makes it worth tomorrow&#8217;s &#8220;holiday&#8221; &#8230; * * Code within certain HTML blocks are skipped. * * Do not use this function before the {@see 'init'} action hook; everything will break. * * @since 0.71 * * @global array $wp_cockneyreplace Array of formatted entities for certain common phrases. * @global array $shortcode_tags * * @param string $text The text to be formatted. * @param bool $reset Set to true for unit testing. Translated patterns will reset. * @return string The string replaced with HTML entities. */ function wptexturize( $text, $reset = false ) { global $wp_cockneyreplace, $shortcode_tags; static $static_characters = null, $static_replacements = null, $dynamic_characters = null, $dynamic_replacements = null, $default_no_texturize_tags = null, $default_no_texturize_shortcodes = null, $run_texturize = true, $apos = null, $prime = null, $double_prime = null, $opening_quote = null, $closing_quote = null, $opening_single_quote = null, $closing_single_quote = null, $open_q_flag = '<!--oq-->', $open_sq_flag = '<!--osq-->', $apos_flag = '<!--apos-->'; // If there's nothing to do, just stop. if ( empty( $text ) || false === $run_texturize ) { return $text; } // Set up static variables. Run once only. if ( $reset || ! isset( $static_characters ) ) { /** * Filters whether to skip running wptexturize(). * * Returning false from the filter will effectively short-circuit wptexturize() * and return the original text passed to the function instead. * * The filter runs only once, the first time wptexturize() is called. * * @since 4.0.0 * * @see wptexturize() * * @param bool $run_texturize Whether to short-circuit wptexturize(). */ $run_texturize = apply_filters( 'run_wptexturize', $run_texturize ); if ( false === $run_texturize ) { return $text; } /* translators: Opening curly double quote. */ $opening_quote = _x( '&#8220;', 'opening curly double quote' ); /* translators: Closing curly double quote. */ $closing_quote = _x( '&#8221;', 'closing curly double quote' ); /* translators: Apostrophe, for example in 'cause or can't. */ $apos = _x( '&#8217;', 'apostrophe' ); /* translators: Prime, for example in 9' (nine feet). */ $prime = _x( '&#8242;', 'prime' ); /* translators: Double prime, for example in 9" (nine inches). */ $double_prime = _x( '&#8243;', 'double prime' ); /* translators: Opening curly single quote. */ $opening_single_quote = _x( '&#8216;', 'opening curly single quote' ); /* translators: Closing curly single quote. */ $closing_single_quote = _x( '&#8217;', 'closing curly single quote' ); /* translators: En dash. */ $en_dash = _x( '&#8211;', 'en dash' ); /* translators: Em dash. */ $em_dash = _x( '&#8212;', 'em dash' ); $default_no_texturize_tags = array( 'pre', 'code', 'kbd', 'style', 'script', 'tt' ); $default_no_texturize_shortcodes = array( 'code' ); // If a plugin has provided an autocorrect array, use it. if ( isset( $wp_cockneyreplace ) ) { $cockney = array_keys( $wp_cockneyreplace ); $cockneyreplace = array_values( $wp_cockneyreplace ); } else { /* * translators: This is a comma-separated list of words that defy the syntax of quotations in normal use, * for example... 'We do not have enough words yet'... is a typical quoted phrase. But when we write * lines of code 'til we have enough of 'em, then we need to insert apostrophes instead of quotes. */ $cockney = explode( ',', _x( "'tain't,'twere,'twas,'tis,'twill,'til,'bout,'nuff,'round,'cause,'em", 'Comma-separated list of words to texturize in your language' ) ); $cockneyreplace = explode( ',', _x( '&#8217;tain&#8217;t,&#8217;twere,&#8217;twas,&#8217;tis,&#8217;twill,&#8217;til,&#8217;bout,&#8217;nuff,&#8217;round,&#8217;cause,&#8217;em', 'Comma-separated list of replacement words in your language' ) ); } $static_characters = array_merge( array( '...', '``', '\'\'', ' (tm)' ), $cockney ); $static_replacements = array_merge( array( '&#8230;', $opening_quote, $closing_quote, ' &#8482;' ), $cockneyreplace ); // Pattern-based replacements of characters. // Sort the remaining patterns into several arrays for performance tuning. $dynamic_characters = array( 'apos' => array(), 'quote' => array(), 'dash' => array(), ); $dynamic_replacements = array( 'apos' => array(), 'quote' => array(), 'dash' => array(), ); $dynamic = array(); $spaces = wp_spaces_regexp(); // '99' and '99" are ambiguous among other patterns; assume it's an abbreviated year at the end of a quotation. if ( "'" !== $apos || "'" !== $closing_single_quote ) { $dynamic[ '/\'(\d\d)\'(?=\Z|[.,:;!?)}\-\]]|&gt;|' . $spaces . ')/' ] = $apos_flag . '$1' . $closing_single_quote; } if ( "'" !== $apos || '"' !== $closing_quote ) { $dynamic[ '/\'(\d\d)"(?=\Z|[.,:;!?)}\-\]]|&gt;|' . $spaces . ')/' ] = $apos_flag . '$1' . $closing_quote; } // '99 '99s '99's (apostrophe) But never '9 or '99% or '999 or '99.0. if ( "'" !== $apos ) { $dynamic['/\'(?=\d\d(?:\Z|(?![%\d]|[.,]\d)))/'] = $apos_flag; } // Quoted numbers like '0.42'. if ( "'" !== $opening_single_quote && "'" !== $closing_single_quote ) { $dynamic[ '/(?<=\A|' . $spaces . ')\'(\d[.,\d]*)\'/' ] = $open_sq_flag . '$1' . $closing_single_quote; } // Single quote at start, or preceded by (, {, <, [, ", -, or spaces. if ( "'" !== $opening_single_quote ) { $dynamic[ '/(?<=\A|[([{"\-]|&lt;|' . $spaces . ')\'/' ] = $open_sq_flag; } // Apostrophe in a word. No spaces, double apostrophes, or other punctuation. if ( "'" !== $apos ) { $dynamic[ '/(?<!' . $spaces . ')\'(?!\Z|[.,:;!?"\'(){}[\]\-]|&[lg]t;|' . $spaces . ')/' ] = $apos_flag; } $dynamic_characters['apos'] = array_keys( $dynamic ); $dynamic_replacements['apos'] = array_values( $dynamic ); $dynamic = array(); // Quoted numbers like "42". if ( '"' !== $opening_quote && '"' !== $closing_quote ) { $dynamic[ '/(?<=\A|' . $spaces . ')"(\d[.,\d]*)"/' ] = $open_q_flag . '$1' . $closing_quote; } // Double quote at start, or preceded by (, {, <, [, -, or spaces, and not followed by spaces. if ( '"' !== $opening_quote ) { $dynamic[ '/(?<=\A|[([{\-]|&lt;|' . $spaces . ')"(?!' . $spaces . ')/' ] = $open_q_flag; } $dynamic_characters['quote'] = array_keys( $dynamic ); $dynamic_replacements['quote'] = array_values( $dynamic ); $dynamic = array(); // Dashes and spaces. $dynamic['/---/'] = $em_dash; $dynamic[ '/(?<=^|' . $spaces . ')--(?=$|' . $spaces . ')/' ] = $em_dash; $dynamic['/(?<!xn)--/'] = $en_dash; $dynamic[ '/(?<=^|' . $spaces . ')-(?=$|' . $spaces . ')/' ] = $en_dash; $dynamic_characters['dash'] = array_keys( $dynamic ); $dynamic_replacements['dash'] = array_values( $dynamic ); } // Must do this every time in case plugins use these filters in a context sensitive manner. /** * Filters the list of HTML elements not to texturize. * * @since 2.8.