Core Function HTMLSpecialCharsDecode
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HTMLSpecialCharsDecode( <string>, <flags> )
Contents |
Description
Convert special HTML entities back to characters.
Parameters
string
The string being converted.
flags
A bitmask of one or more of the following flags, which specify how to handle quotes, invalid code unit sequences and the used document type.
The default is @ENT_COMPAT.
Available flags constants
Constant Name Description
@ENT_COMPAT Will convert double-quotes and leave single-quotes alone.
@ENT_QUOTES Will convert both double and single quotes.
@ENT_NOQUOTES Will leave both double and single quotes unconverted.
@ENT_IGNORE Silently discard invalid code unit sequences instead of
returning an empty string. Using this flag is discouraged
as it ยป may have security implications.
@ENT_SUBSTITUTE Replace invalid code unit sequences with a Unicode Replacement
Character U+FFFD (UTF-8) or &#FFFD; (otherwise) instead of
returning an empty string.
@ENT_DISALLOWED Replace invalid code points for the given document type with
a Unicode Replacement Character U+FFFD (UTF-8) or &#FFFD; (otherwise)
instead of leaving them as is. This may be useful, for instance, to
ensure the well-formedness of XML documents with embedded external content.
@ENT_HTML401 Handle code as HTML 4.01.
@ENT_XML1 Handle code as XML 1.
@ENT_XHTML Handle code as XHTML.
@ENT_HTML5 Handle code as HTML 5.
Return Value
Returns the decoded string.
Remarks
None.
Example
$new = htmlspecialchars("<a href='test'>Test</a>", @ENT_QUOTES); echo "$new\n"; // <a href='test'>Test</a> $back = htmlspecialcharsdecode("$new", @ENT_QUOTES); echo "$back\n"; // <a href='test'>Test</a>"
