php html_entity_decode实例教程
关于html_entity_decode在大多数情况下是与htmlspecialchars htmlentities配合使用的.
html_entity_decode用法:
string html_entity_decode(string $string [,int $quote_style = ENT_COMPAT [, string $charset ]]).
html_entity_decode() 函数把 HTML 实体转换为字符.
html_entity_decode() 是 htmlentities() 的反函数也html_entity_decode() 是 htmlspecialchars() 的反函数.
$str = "A 'quote' is bold"; Outputs: A 'quote' is <b>bold</b> $s = htmlspecialchars($str); echo $s; Outputs: A 'quote' is <b>bold</b> echo html_entity_decode($s); A 'quote' is bold
再看一个实例,代码如下:
$str = "John & 'Adams'"; echo html_entity_decode($str); echo ""; echo html_entity_decode($str, ENT_QUOTES); echo ""; echo html_entity_decode($str, ENT_NOQUOTES); ?> //浏览器输出： John & 'Adams' John & 'Adams' John & 'Adams'
如果在浏览器中查看源代码,会看到这些 HTML:
<html> <body> John & 'Adams'<br /> John & 'Adams'<br /> John & 'Adams' body> html>
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