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PHP html_entity_decode() 实例
Home Backend Development PHP Tutorial html_entity_decode() converts HTML entities into character prototypes_PHP tutorial

html_entity_decode() converts HTML entities into character prototypes_PHP tutorial

Jul 13, 2016 am 10:39 AM
aspnet software programming

 

 

PHP html_entity_decode() 适用于PHP 4.3.0+,将HTML 实体转成字符。

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html_entity_decode(包含HTML 实体的字符串, 可选如何解码引号, 可选字符编码集)

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如果字符串中包含无法被识别的字符集将被忽略,并由 ISO-8859-1 代替。您可以使用 PHP htmlentities() 将HTML标签、引号及ASCII字符集外的其他字符串转换成HTML 实体。

如何解码引号:

ENT_COMPAT - 默认。仅解码双引号。

ENT_QUOTES - 解码双引号和单引号。

ENT_NOQUOTES - 不解码任何引号。

字符编码集:

ISO-8859-1 - 默认。西欧。

ISO-8859-15 - 西欧 (增加 Euro 符号以及法语、芬兰语字母)。

UTF-8 - ASCII 兼容多字节 8 比特 Unicode

cp866 - DOS 专用 Cyrillic 字符集

cp1251 - Windows 专用 Cyrillic 字符集

cp1252 - Windows 专用西欧字符集

KOI8-R - 俄语

GB2312 - 简体中文,国家标准字符集

BIG5 - 繁体中文

BIG5-HKSCS - Big5 香港扩展

Shift_JIS - 日语

EUC-JP - 日语

PHP htmlspecialchars() 把 & ' " < 和 > 转换成HTML 实体

PHP htmlspecialchars_decode() 把 & ' " < 和 > HTML 实体反转成字符

PHP htmlentities() 把HTML标签字符转换为 HTML 实体

PHP html_entity_decode() 将所有HTML 实体转成字符原型

PHP html_entity_decode() 实例

虽然使用PHP htmlentities() 只能对HTML标签字符串进行HTML 实体化,但是您可以使用PHP html_entity_decode() 对所有HTML 实体化的字符进行转换成字符。

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<?<span php

</span><span function</span> showCode(<span $s</span>){<span return</span> <span str_replace</span>('&', '&amp;', <span $s</span><span );}

</span><span //</span><span  由于转成HTML实体后,输出依旧是原字符,所以这里对 & 替换成 &amp; 可以输出源代码格式,如果不用这个替换,您可以通过查看输出的 $html 源代码,能够看到一样的结果。</span>

 

<span $weigeti</span> = '-->"E.V-Get.com"<--'<span ;

 

</span><span $html</span> = <span htmlentities</span>(<span $weigeti</span>,<span  ENT_QUOTES);

 

</span><span echo</span> showCode(<span $html</span><span );

</span><span //</span><span  输出【--&gt;&quot;E.V-Get.com&quot;&lt;--】</span>

 

<span $entity</span> = <span html_entity_decode</span>(<span $html</span><span );

</span><span echo</span> showCode(<span $entity</span><span );

</span><span //</span><span  输出【-->"E.V-Get.com"<--】</span>

 

<span $entity_noquotes</span>=<span html_entity_decode</span>(<span $html</span>,<span  ENT_NOQUOTES);

</span><span echo</span> showCode(<span $entity_noquotes</span><span );

</span><span //</span><span  输出【-->&quot;E.V-Get.com&quot;<--】</span>

?>

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原文:http://e.v-get.com/w3c/PHP_html_entity_decode.html

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