Question

ent2ncr( string $text )

Converts named entities into numbered entities.

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description

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参数

$text

(string) (Required) The text within which entities will be converted.

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返回值

(string) Text with converted entities.

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源代码

File: wp-includes/formatting.php

function ent2ncr( $text ) {

	/**
	 * Filters text before named entities are converted into numbered entities.
	 *
	 * A non-null string must be returned for the filter to be evaluated.
	 *
	 * @since 3.3.0
	 *
	 * @param null   $converted_text The text to be converted. Default null.
	 * @param string $text           The text prior to entity conversion.
	 */
	$filtered = apply_filters( 'pre_ent2ncr', null, $text );
	if ( null !== $filtered )
		return $filtered;

	$to_ncr = array(
		'"' => '"',
		'&' => '&',
		'&lt;' => '<',
		'&gt;' => '>',
		'|' => '|',
		'&nbsp;' => ' ',
		'&iexcl;' => '¡',
		'&cent;' => '¢',
		'&pound;' => '£',
		'&curren;' => '¤',
		'&yen;' => '¥',
		'&brvbar;' => '¦',
		'&brkbar;' => '¦',
		'&sect;' => '§',
		'&uml;' => '¨',
		'&die;' => '¨',
		'&copy;' => '©',
		'&ordf;' => 'ª',
		'&laquo;' => '«',
		'&not;' => '¬',
		'&shy;' => '­',
		'&reg;' => '®',
		'&macr;' => '¯',
		'&hibar;' => '¯',
		'&deg;' => '°',
		'&plusmn;' => '±',
		'&sup2;' => '²',
		'&sup3;' => '³',
		'&acute;' => '´',
		'&micro;' => 'µ',
		'&para;' => '¶',
		'&middot;' => '·',
		'&cedil;' => '¸',
		'&sup1;' => '¹',
		'&ordm;' => 'º',
		'&raquo;' => '»',
		'&frac14;' => '¼',
		'&frac12;' => '½',
		'&frac34;' => '¾',
		'&iquest;' => '¿',
		'&Agrave;' => 'À',
		'&Aacute;' => 'Á',
		'&Acirc;' => 'Â',
		'&Atilde;' => 'Ã',
		'&Auml;' => 'Ä',
		'&Aring;' => 'Å',
		'&AElig;' => 'Æ',
		'&Ccedil;' => 'Ç',
		'&Egrave;' => 'È',
		'&Eacute;' => 'É',
		'&Ecirc;' => 'Ê',
		'&Euml;' => 'Ë',
		'&Igrave;' => 'Ì',
		'&Iacute;' => 'Í',
		'&Icirc;' => 'Î',
		'&Iuml;' => 'Ï',
		'&ETH;' => 'Ð',
		'&Ntilde;' => 'Ñ',
		'&Ograve;' => 'Ò',
		'&Oacute;' => 'Ó',
		'&Ocirc;' => 'Ô',
		'&Otilde;' => 'Õ',
		'&Ouml;' => 'Ö',
		'&times;' => '×',
		'&Oslash;' => 'Ø',
		'&Ugrave;' => 'Ù',
		'&Uacute;' => 'Ú',
		'&Ucirc;' => 'Û',
		'&Uuml;' => 'Ü',
		'&Yacute;' => 'Ý',
		'&THORN;' => 'Þ',
		'&szlig;' => 'ß',
		'&agrave;' => 'à',
		'&aacute;' => 'á',
		'&acirc;' => 'â',
		'&atilde;' => 'ã',
		'&auml;' => 'ä',
		'&aring;' => 'å',
		'&aelig;' => 'æ',
		'&ccedil;' => 'ç',
		'&egrave;' => 'è',
		'&eacute;' => 'é',
		'&ecirc;' => 'ê',
		'&euml;' => 'ë',
		'&igrave;' => 'ì',
		'&iacute;' => 'í',
		'&icirc;' => 'î',
		'&iuml;' => 'ï',
		'&eth;' => 'ð',
		'&ntilde;' => 'ñ',
		'&ograve;' => 'ò',
		'&oacute;' => 'ó',
		'&ocirc;' => 'ô',
		'&otilde;' => 'õ',
		'&ouml;' => 'ö',
		'&divide;' => '÷',
		'&oslash;' => 'ø',
		'&ugrave;' => 'ù',
		'&uacute;' => 'ú',
		'&ucirc;' => 'û',
		'&uuml;' => 'ü',
		'&yacute;' => 'ý',
		'&thorn;' => 'þ',
		'&yuml;' => 'ÿ',
		'&OElig;' => 'Œ',
		'&oelig;' => 'œ',
		'&Scaron;' => 'Š',
		'&scaron;' => 'š',
		'&Yuml;' => 'Ÿ',
		'&fnof;' => 'ƒ',
		'&circ;' => 'ˆ',
		'&tilde;' => '˜',
		'&Alpha;' => 'Α',
		'&Beta;' => 'Β',
		'&Gamma;' => 'Γ',
		'&Delta;' => 'Δ',
		'&Epsilon;' => 'Ε',
		'&Zeta;' => 'Ζ',
		'&Eta;' => 'Η',
		'&Theta;' => 'Θ',
		'&Iota;' => 'Ι',
		'&Kappa;' => 'Κ',
		'&Lambda;' => 'Λ',
		'&Mu;' => 'Μ',
		'&Nu;' => 'Ν',
		'&Xi;' => 'Ξ',
		'&Omicron;' => 'Ο',
		'&Pi;' => 'Π',
		'&Rho;' => 'Ρ',
		'&Sigma;' => 'Σ',
		'&Tau;' => 'Τ',
		'&Upsilon;' => 'Υ',
		'&Phi;' => 'Φ',
		'&Chi;' => 'Χ',
		'&Psi;' => 'Ψ',
		'&Omega;' => 'Ω',
		'&alpha;' => 'α',
		'&beta;' => 'β',
		'&gamma;' => 'γ',
		'&delta;' => 'δ',
		'&epsilon;' => 'ε',
		'&zeta;' => 'ζ',
		'&eta;' => 'η',
		'&theta;' => 'θ',
		'&iota;' => 'ι',
		'&kappa;' => 'κ',
		'&lambda;' => 'λ',
		'&mu;' => 'μ',
		'&nu;' => 'ν',
		'&xi;' => 'ξ',
		'&omicron;' => 'ο',
		'&pi;' => 'π',
		'&rho;' => 'ρ',
		'&sigmaf;' => 'ς',
		'&sigma;' => 'σ',
		'&tau;' => 'τ',
		'&upsilon;' => 'υ',
		'&phi;' => 'φ',
		'&chi;' => 'χ',
		'&psi;' => 'ψ',
		'&omega;' => 'ω',
		'&thetasym;' => 'ϑ',
		'&upsih;' => 'ϒ',
		'&piv;' => 'ϖ',
		'&ensp;' => ' ',
		'&emsp;' => ' ',
		'&thinsp;' => ' ',
		'&zwnj;' => '‌',
		'&zwj;' => '‍',
		'&lrm;' => '‎',
		'&rlm;' => '‏',
		'&ndash;' => '–',
		'&mdash;' => '—',
		'&lsquo;' => '‘',
		'&rsquo;' => '’',
		'&sbquo;' => '‚',
		'&ldquo;' => '“',
		'&rdquo;' => '”',
		'&bdquo;' => '„',
		'&dagger;' => '†',
		'&Dagger;' => '‡',
		'&bull;' => '•',
		'&hellip;' => '…',
		'&permil;' => '‰',
		'&prime;' => '′',
		'&Prime;' => '″',
		'&lsaquo;' => '‹',
		'&rsaquo;' => '›',
		'&oline;' => '‾',
		'&frasl;' => '⁄',
		'&euro;' => '€',
		'&image;' => 'ℑ',
		'&weierp;' => '℘',
		'&real;' => 'ℜ',
		'&trade;' => '™',
		'&alefsym;' => 'ℵ',
		'&crarr;' => '↵',
		'&lArr;' => '⇐',
		'&uArr;' => '⇑',
		'&rArr;' => '⇒',
		'&dArr;' => '⇓',
		'&hArr;' => '⇔',
		'&forall;' => '∀',
		'&part;' => '∂',
		'&exist;' => '∃',
		'&empty;' => '∅',
		'&nabla;' => '∇',
		'&isin;' => '∈',
		'&notin;' => '∉',
		'&ni;' => '∋',
		'&prod;' => '∏',
		'&sum;' => '∑',
		'&minus;' => '−',
		'&lowast;' => '∗',
		'&radic;' => '√',
		'&prop;' => '∝',
		'&infin;' => '∞',
		'&ang;' => '∠',
		'&and;' => '∧',
		'&or;' => '∨',
		'&cap;' => '∩',
		'&cup;' => '∪',
		'&int;' => '∫',
		'&there4;' => '∴',
		'&sim;' => '∼',
		'&cong;' => '≅',
		'&asymp;' => '≈',
		'&ne;' => '≠',
		'&equiv;' => '≡',
		'&le;' => '≤',
		'&ge;' => '≥',
		'&sub;' => '⊂',
		'&sup;' => '⊃',
		'&nsub;' => '⊄',
		'&sube;' => '⊆',
		'&supe;' => '⊇',
		'&oplus;' => '⊕',
		'&otimes;' => '⊗',
		'&perp;' => '⊥',
		'&sdot;' => '⋅',
		'&lceil;' => '⌈',
		'&rceil;' => '⌉',
		'&lfloor;' => '⌊',
		'&rfloor;' => '⌋',
		'&lang;' => '〈',
		'&rang;' => '〉',
		'&larr;' => '←',
		'&uarr;' => '↑',
		'&rarr;' => '→',
		'&darr;' => '↓',
		'&harr;' => '↔',
		'&loz;' => '◊',
		'&spades;' => '♠',
		'&clubs;' => '♣',
		'&hearts;' => '♥',
		'&diams;' => '♦'
	);

	return str_replace( array_keys($to_ncr), array_values($to_ncr), $text );
}

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更新日志

Version	description
1.5.1	Introduced.

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相关函数

Uses

• wp-includes/formatting.php: pre_ent2ncr
• wp-includes/plugin.php: apply_filters()

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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

   Example

   
   echo ent2ncr( 'C’est la fête!' );
   // this will output: C’est la fête!
   

   And you will see:

   
   C'est la fête!