摄氏度的html命名实体,将命名的HTML实体转换为数字HTML实体

秒速五厘米 2022-10-06 10:50 239阅读 0赞

您正在寻找一个简单的翻译函数，从命名的HTML实体到它们的数字对应物。

这可以通过使用转换表(即数组)和字符串转换函数(strtr)来完成：

$translated = strtr($string, $HTML401NamedToNumeric);这适用于$string为UTF-8编码或单字节字符集。

下面使用W3C指定的HTML 4.01命名实体的示例数组。它包含252个实体。如果你想支持XHTML，那么还有一个(我把它放在最后)：

$HTML401NamedToNumeric = array(

' ' => ' ', \# no-break space = non-breaking space, U+00A0 ISOnum

'¡' => '¡', \# inverted exclamation mark, U+00A1 ISOnum

'¢' => '¢', \# cent sign, U+00A2 ISOnum

'£' => '£', \# pound sign, U+00A3 ISOnum

'¤' => '¤', \# currency sign, U+00A4 ISOnum

'¥' => '¥', \# yen sign = yuan sign, U+00A5 ISOnum

'¦' => '¦', \# broken bar = broken vertical bar, U+00A6 ISOnum

'§' => '§', \# section sign, U+00A7 ISOnum

'¨' => '¨', \# diaeresis = spacing diaeresis, U+00A8 ISOdia

'©' => '©', \# copyright sign, U+00A9 ISOnum

'ª' => 'ª', \# feminine ordinal indicator, U+00AA ISOnum

'«' => '«', \# left-pointing double angle quotation mark = left pointing guillemet, U+00AB ISOnum

'¬' => '¬', \# not sign, U+00AC ISOnum

'' => '', \# soft hyphen = discretionary hyphen, U+00AD ISOnum

'®' => '®', \# registered sign = registered trade mark sign, U+00AE ISOnum

'¯' => '¯', \# macron = spacing macron = overline = APL overbar, U+00AF ISOdia

'°' => '°', \# degree sign, U+00B0 ISOnum

'±' => '±', \# plus-minus sign = plus-or-minus sign, U+00B1 ISOnum

'²' => '²', \# superscript two = superscript digit two = squared, U+00B2 ISOnum

'³' => '³', \# superscript three = superscript digit three = cubed, U+00B3 ISOnum

'´' => '´', \# acute accent = spacing acute, U+00B4 ISOdia

'µ' => 'µ', \# micro sign, U+00B5 ISOnum

'¶' => '¶', \# pilcrow sign = paragraph sign, U+00B6 ISOnum

'·' => '·', \# middle dot = Georgian comma = Greek middle dot, U+00B7 ISOnum

'¸' => '¸', \# cedilla = spacing cedilla, U+00B8 ISOdia

'¹' => '¹', \# superscript one = superscript digit one, U+00B9 ISOnum

'º' => 'º', \# masculine ordinal indicator, U+00BA ISOnum

'»' => '»', \# right-pointing double angle quotation mark = right pointing guillemet, U+00BB ISOnum

'¼' => '¼', \# vulgar fraction one quarter = fraction one quarter, U+00BC ISOnum

'½' => '½', \# vulgar fraction one half = fraction one half, U+00BD ISOnum

'¾' => '¾', \# vulgar fraction three quarters = fraction three quarters, U+00BE ISOnum

'¿' => '¿', \# inverted question mark = turned question mark, U+00BF ISOnum

'À' => 'À', \# latin capital letter A with grave = latin capital letter A grave, U+00C0 ISOlat1

'Á' => 'Á', \# latin capital letter A with acute, U+00C1 ISOlat1

'Â' => 'Â', \# latin capital letter A with circumflex, U+00C2 ISOlat1

'Ã' => 'Ã', \# latin capital letter A with tilde, U+00C3 ISOlat1

'Ä' => 'Ä', \# latin capital letter A with diaeresis, U+00C4 ISOlat1

'Å' => 'Å', \# latin capital letter A with ring above = latin capital letter A ring, U+00C5 ISOlat1

'Æ' => 'Æ', \# latin capital letter AE = latin capital ligature AE, U+00C6 ISOlat1

'Ç' => 'Ç', \# latin capital letter C with cedilla, U+00C7 ISOlat1

'È' => 'È', \# latin capital letter E with grave, U+00C8 ISOlat1

'É' => 'É', \# latin capital letter E with acute, U+00C9 ISOlat1

'Ê' => 'Ê', \# latin capital letter E with circumflex, U+00CA ISOlat1

'Ë' => 'Ë', \# latin capital letter E with diaeresis, U+00CB ISOlat1

'Ì' => 'Ì', \# latin capital letter I with grave, U+00CC ISOlat1

'Í' => 'Í', \# latin capital letter I with acute, U+00CD ISOlat1

'Î' => 'Î', \# latin capital letter I with circumflex, U+00CE ISOlat1

'Ï' => 'Ï', \# latin capital letter I with diaeresis, U+00CF ISOlat1

'Ð' => 'Ð', \# latin capital letter ETH, U+00D0 ISOlat1

'Ñ' => 'Ñ', \# latin capital letter N with tilde, U+00D1 ISOlat1

'Ò' => 'Ò', \# latin capital letter O with grave, U+00D2 ISOlat1

'Ó' => 'Ó', \# latin capital letter O with acute, U+00D3 ISOlat1

'Ô' => 'Ô', \# latin capital letter O with circumflex, U+00D4 ISOlat1

'Õ' => 'Õ', \# latin capital letter O with tilde, U+00D5 ISOlat1

'Ö' => 'Ö', \# latin capital letter O with diaeresis, U+00D6 ISOlat1

'×' => '×', \# multiplication sign, U+00D7 ISOnum

'Ø' => 'Ø', \# latin capital letter O with stroke = latin capital letter O slash, U+00D8 ISOlat1

'Ù' => 'Ù', \# latin capital letter U with grave, U+00D9 ISOlat1

'Ú' => 'Ú', \# latin capital letter U with acute, U+00DA ISOlat1

'Û' => 'Û', \# latin capital letter U with circumflex, U+00DB ISOlat1

'Ü' => 'Ü', \# latin capital letter U with diaeresis, U+00DC ISOlat1

'Ý' => 'Ý', \# latin capital letter Y with acute, U+00DD ISOlat1

'Þ' => 'Þ', \# latin capital letter THORN, U+00DE ISOlat1

'ß' => 'ß', \# latin small letter sharp s = ess-zed, U+00DF ISOlat1

'à' => 'à', \# latin small letter a with grave = latin small letter a grave, U+00E0 ISOlat1

'á' => 'á', \# latin small letter a with acute, U+00E1 ISOlat1

'â' => 'â', \# latin small letter a with circumflex, U+00E2 ISOlat1

'ã' => 'ã', \# latin small letter a with tilde, U+00E3 ISOlat1

'ä' => 'ä', \# latin small letter a with diaeresis, U+00E4 ISOlat1

'å' => 'å', \# latin small letter a with ring above = latin small letter a ring, U+00E5 ISOlat1

'æ' => 'æ', \# latin small letter ae = latin small ligature ae, U+00E6 ISOlat1

'ç' => 'ç', \# latin small letter c with cedilla, U+00E7 ISOlat1

'è' => 'è', \# latin small letter e with grave, U+00E8 ISOlat1

'é' => 'é', \# latin small letter e with acute, U+00E9 ISOlat1

'ê' => 'ê', \# latin small letter e with circumflex, U+00EA ISOlat1

'ë' => 'ë', \# latin small letter e with diaeresis, U+00EB ISOlat1

'ì' => 'ì', \# latin small letter i with grave, U+00EC ISOlat1

'í' => 'í', \# latin small letter i with acute, U+00ED ISOlat1

'î' => 'î', \# latin small letter i with circumflex, U+00EE ISOlat1

'ï' => 'ï', \# latin small letter i with diaeresis, U+00EF ISOlat1

'ð' => 'ð', \# latin small letter eth, U+00F0 ISOlat1

'ñ' => 'ñ', \# latin small letter n with tilde, U+00F1 ISOlat1

'ò' => 'ò', \# latin small letter o with grave, U+00F2 ISOlat1

'ó' => 'ó', \# latin small letter o with acute, U+00F3 ISOlat1

'ô' => 'ô', \# latin small letter o with circumflex, U+00F4 ISOlat1

'õ' => 'õ', \# latin small letter o with tilde, U+00F5 ISOlat1

'ö' => 'ö', \# latin small letter o with diaeresis, U+00F6 ISOlat1

'÷' => '÷', \# division sign, U+00F7 ISOnum

'ø' => 'ø', \# latin small letter o with stroke, = latin small letter o slash, U+00F8 ISOlat1

'ù' => 'ù', \# latin small letter u with grave, U+00F9 ISOlat1

'ú' => 'ú', \# latin small letter u with acute, U+00FA ISOlat1

'û' => 'û', \# latin small letter u with circumflex, U+00FB ISOlat1

'ü' => 'ü', \# latin small letter u with diaeresis, U+00FC ISOlat1

'ý' => 'ý', \# latin small letter y with acute, U+00FD ISOlat1

'þ' => 'þ', \# latin small letter thorn, U+00FE ISOlat1

'ÿ' => 'ÿ', \# latin small letter y with diaeresis, U+00FF ISOlat1

'ƒ' => 'ƒ', \# latin small f with hook = function = florin, U+0192 ISOtech

'Α' => 'Α', \# greek capital letter alpha, U+0391

'Β' => 'Β', \# greek capital letter beta, U+0392

'Γ' => 'Γ', \# greek capital letter gamma, U+0393 ISOgrk3

'Δ' => 'Δ', \# greek capital letter delta, U+0394 ISOgrk3

'Ε' => 'Ε', \# greek capital letter epsilon, U+0395

'Ζ' => 'Ζ', \# greek capital letter zeta, U+0396

'Η' => 'Η', \# greek capital letter eta, U+0397

'Θ' => 'Θ', \# greek capital letter theta, U+0398 ISOgrk3

'Ι' => 'Ι', \# greek capital letter iota, U+0399

'Κ' => 'Κ', \# greek capital letter kappa, U+039A

'Λ' => 'Λ', \# greek capital letter lambda, U+039B ISOgrk3

'Μ' => 'Μ', \# greek capital letter mu, U+039C

'Ν' => 'Ν', \# greek capital letter nu, U+039D

'Ξ' => 'Ξ', \# greek capital letter xi, U+039E ISOgrk3

'Ο' => 'Ο', \# greek capital letter omicron, U+039F

'Π' => 'Π', \# greek capital letter pi, U+03A0 ISOgrk3

'Ρ' => 'Ρ', \# greek capital letter rho, U+03A1

'Σ' => 'Σ', \# greek capital letter sigma, U+03A3 ISOgrk3

'Τ' => 'Τ', \# greek capital letter tau, U+03A4

'Υ' => 'Υ', \# greek capital letter upsilon, U+03A5 ISOgrk3

'Φ' => 'Φ', \# greek capital letter phi, U+03A6 ISOgrk3

'Χ' => 'Χ', \# greek capital letter chi, U+03A7

'Ψ' => 'Ψ', \# greek capital letter psi, U+03A8 ISOgrk3

'Ω' => 'Ω', \# greek capital letter omega, U+03A9 ISOgrk3

'α' => 'α', \# greek small letter alpha, U+03B1 ISOgrk3

'β' => 'β', \# greek small letter beta, U+03B2 ISOgrk3

'γ' => 'γ', \# greek small letter gamma, U+03B3 ISOgrk3

'δ' => 'δ', \# greek small letter delta, U+03B4 ISOgrk3

'ε' => 'ε', \# greek small letter epsilon, U+03B5 ISOgrk3

'ζ' => 'ζ', \# greek small letter zeta, U+03B6 ISOgrk3

'η' => 'η', \# greek small letter eta, U+03B7 ISOgrk3

'θ' => 'θ', \# greek small letter theta, U+03B8 ISOgrk3

'ι' => 'ι', \# greek small letter iota, U+03B9 ISOgrk3

'κ' => 'κ', \# greek small letter kappa, U+03BA ISOgrk3

'λ' => 'λ', \# greek small letter lambda, U+03BB ISOgrk3

'μ' => 'μ', \# greek small letter mu, U+03BC ISOgrk3

'ν' => 'ν', \# greek small letter nu, U+03BD ISOgrk3

'ξ' => 'ξ', \# greek small letter xi, U+03BE ISOgrk3

'ο' => 'ο', \# greek small letter omicron, U+03BF NEW

'π' => 'π', \# greek small letter pi, U+03C0 ISOgrk3

'ρ' => 'ρ', \# greek small letter rho, U+03C1 ISOgrk3

'ς' => 'ς', \# greek small letter final sigma, U+03C2 ISOgrk3

'σ' => 'σ', \# greek small letter sigma, U+03C3 ISOgrk3

'τ' => 'τ', \# greek small letter tau, U+03C4 ISOgrk3

'υ' => 'υ', \# greek small letter upsilon, U+03C5 ISOgrk3

'φ' => 'φ', \# greek small letter phi, U+03C6 ISOgrk3

'χ' => 'χ', \# greek small letter chi, U+03C7 ISOgrk3

'ψ' => 'ψ', \# greek small letter psi, U+03C8 ISOgrk3

'ω' => 'ω', \# greek small letter omega, U+03C9 ISOgrk3

'ϑ' => 'ϑ', \# greek small letter theta symbol, U+03D1 NEW

'ϒ' => 'ϒ', \# greek upsilon with hook symbol, U+03D2 NEW

'ϖ' => 'ϖ', \# greek pi symbol, U+03D6 ISOgrk3

'•' => '•', \# bullet = black small circle, U+2022 ISOpub

'…' => '…', \# horizontal ellipsis = three dot leader, U+2026 ISOpub

'′' => '′', \# prime = minutes = feet, U+2032 ISOtech

'″' => '″', \# double prime = seconds = inches, U+2033 ISOtech

'‾' => '‾', \# overline = spacing overscore, U+203E NEW

'⁄' => '⁄', \# fraction slash, U+2044 NEW

'℘' => '℘', \# script capital P = power set = Weierstrass p, U+2118 ISOamso

'ℑ' => 'ℑ', \# blackletter capital I = imaginary part, U+2111 ISOamso

'ℜ' => 'ℜ', \# blackletter capital R = real part symbol, U+211C ISOamso

'™' => '™', \# trade mark sign, U+2122 ISOnum

'ℵ' => 'ℵ', \# alef symbol = first transfinite cardinal, U+2135 NEW

'←' => '←', \# leftwards arrow, U+2190 ISOnum

'↑' => '↑', \# upwards arrow, U+2191 ISOnum

'→' => '→', \# rightwards arrow, U+2192 ISOnum

'↓' => '↓', \# downwards arrow, U+2193 ISOnum

'↔' => '↔', \# left right arrow, U+2194 ISOamsa

'↵' => '↵', \# downwards arrow with corner leftwards = carriage return, U+21B5 NEW

'⇐' => '⇐', \# leftwards double arrow, U+21D0 ISOtech

'⇑' => '⇑', \# upwards double arrow, U+21D1 ISOamsa

'⇒' => '⇒', \# rightwards double arrow, U+21D2 ISOtech

'⇓' => '⇓', \# downwards double arrow, U+21D3 ISOamsa

'⇔' => '⇔', \# left right double arrow, U+21D4 ISOamsa

'∀' => '∀', \# for all, U+2200 ISOtech

'∂' => '∂', \# partial differential, U+2202 ISOtech

'∃' => '∃', \# there exists, U+2203 ISOtech

'∅' => '∅', \# empty set = null set = diameter, U+2205 ISOamso

'∇' => '∇', \# nabla = backward difference, U+2207 ISOtech

'∈' => '∈', \# element of, U+2208 ISOtech

'∉' => '∉', \# not an element of, U+2209 ISOtech

'∋' => '∋', \# contains as member, U+220B ISOtech

'∏' => '∏', \# n-ary product = product sign, U+220F ISOamsb

'∑' => '∑', \# n-ary sumation, U+2211 ISOamsb

'−' => '−', \# minus sign, U+2212 ISOtech

'∗' => '∗', \# asterisk operator, U+2217 ISOtech

'√' => '√', \# square root = radical sign, U+221A ISOtech

'∝' => '∝', \# proportional to, U+221D ISOtech

'∞' => '∞', \# infinity, U+221E ISOtech

'∠' => '∠', \# angle, U+2220 ISOamso

'∧' => '∧', \# logical and = wedge, U+2227 ISOtech

'∨' => '∨', \# logical or = vee, U+2228 ISOtech

'∩' => '∩', \# intersection = cap, U+2229 ISOtech

'∪' => '∪', \# union = cup, U+222A ISOtech

'∫' => '∫', \# integral, U+222B ISOtech

'∴' => '∴', \# therefore, U+2234 ISOtech

'∼' => '∼', \# tilde operator = varies with = similar to, U+223C ISOtech

'≅' => '≅', \# approximately equal to, U+2245 ISOtech

'≈' => '≈', \# almost equal to = asymptotic to, U+2248 ISOamsr

'≠' => '≠', \# not equal to, U+2260 ISOtech

'≡' => '≡', \# identical to, U+2261 ISOtech

'≤' => '≤', \# less-than or equal to, U+2264 ISOtech

'≥' => '≥', \# greater-than or equal to, U+2265 ISOtech

'⊂' => '⊂', \# subset of, U+2282 ISOtech

'⊃' => '⊃', \# superset of, U+2283 ISOtech

'⊄' => '⊄', \# not a subset of, U+2284 ISOamsn

'⊆' => '⊆', \# subset of or equal to, U+2286 ISOtech

'⊇' => '⊇', \# superset of or equal to, U+2287 ISOtech

'⊕' => '⊕', \# circled plus = direct sum, U+2295 ISOamsb

'⊗' => '⊗', \# circled times = vector product, U+2297 ISOamsb

'⊥' => '⊥', \# up tack = orthogonal to = perpendicular, U+22A5 ISOtech

'⋅' => '⋅', \# dot operator, U+22C5 ISOamsb

'⌈' => '⌈', \# left ceiling = apl upstile, U+2308 ISOamsc

'⌉' => '⌉', \# right ceiling, U+2309 ISOamsc

'⌊' => '⌊', \# left floor = apl downstile, U+230A ISOamsc

'⌋' => '⌋', \# right floor, U+230B ISOamsc

'〈' => '〈', \# left-pointing angle bracket = bra, U+2329 ISOtech

'〉' => '〉', \# right-pointing angle bracket = ket, U+232A ISOtech

'◊' => '◊', \# lozenge, U+25CA ISOpub

'♠' => '♠', \# black spade suit, U+2660 ISOpub

'♣' => '♣', \# black club suit = shamrock, U+2663 ISOpub

'♥' => '♥', \# black heart suit = valentine, U+2665 ISOpub

'♦' => '♦', \# black diamond suit, U+2666 ISOpub

'"' => '"', \# quotation mark = APL quote, U+0022 ISOnum

'&' => '&', \# ampersand, U+0026 ISOnum

'<' => '<', \# less-than sign, U+003C ISOnum

'>' => '>', \# greater-than sign, U+003E ISOnum

'Œ' => 'Œ', \# latin capital ligature OE, U+0152 ISOlat2

'œ' => 'œ', \# latin small ligature oe, U+0153 ISOlat2

'Š' => 'Š', \# latin capital letter S with caron, U+0160 ISOlat2

'š' => 'š', \# latin small letter s with caron, U+0161 ISOlat2

'Ÿ' => 'Ÿ', \# latin capital letter Y with diaeresis, U+0178 ISOlat2

'ˆ' => 'ˆ', \# modifier letter circumflex accent, U+02C6 ISOpub

'˜' => '˜', \# small tilde, U+02DC ISOdia

' ' => ' ', \# en space, U+2002 ISOpub

' ' => ' ', \# em space, U+2003 ISOpub

' ' => ' ', \# thin space, U+2009 ISOpub

'‌' => '‌', \# zero width non-joiner, U+200C NEW RFC 2070

'‍' => '‍', \# zero width joiner, U+200D NEW RFC 2070

'‎' => '‎', \# left-to-right mark, U+200E NEW RFC 2070

'‏' => '‏', \# right-to-left mark, U+200F NEW RFC 2070

'–' => '–', \# en dash, U+2013 ISOpub

'—' => '—', \# em dash, U+2014 ISOpub

'‘' => '‘', \# left single quotation mark, U+2018 ISOnum

'’' => '’', \# right single quotation mark, U+2019 ISOnum

'‚' => '‚', \# single low-9 quotation mark, U+201A NEW

'“' => '“', \# left double quotation mark, U+201C ISOnum

'”' => '”', \# right double quotation mark, U+201D ISOnum

'„' => '„', \# double low-9 quotation mark, U+201E NEW

'†' => '†', \# dagger, U+2020 ISOpub

'‡' => '‡', \# double dagger, U+2021 ISOpub

'‰' => '‰', \# per mille sign, U+2030 ISOtech

'‹' => '‹', \# single left-pointing angle quotation mark, U+2039 ISO proposed

'›' => '›', \# single right-pointing angle quotation mark, U+203A ISO proposed

'€' => '€', \# euro sign, U+20AC NEW

);而XHTML的那个：

''' => ''', \# apostrophe = APL quote, U+0027 ISOnum

摄氏度的html命名实体,将命名的HTML实体转换为数字HTML实体

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