HTMLPurifier_VarParser_Native Class Reference

This variable parser uses PHP's internal code engine. More...

Inheritance diagram for HTMLPurifier_VarParser_Native:

Collaboration diagram for HTMLPurifier_VarParser_Native:

Protected Member Functions
	parseImplementation ($var, $type, $allow_null)
	evalExpression ($expr)
Protected Member Functions inherited from HTMLPurifier_VarParser
	parseImplementation ($var, $type, $allow_null)
	Actually implements the parsing. More...
	error ($msg)
	Throws an exception. More...
	errorInconsistent ($class, $type)
	Throws an inconsistency exception. More...
	errorGeneric ($var, $type)
	Generic error for if a type didn't work. More...

Additional Inherited Members
Public Member Functions inherited from HTMLPurifier_VarParser
	parse ($var, $type, $allow_null=false)
	Validate a variable according to type. More...
Static Public Member Functions inherited from HTMLPurifier_VarParser
static	getTypeName ($type)
Data Fields inherited from HTMLPurifier_VarParser
const	C_STRING = 1
const	ISTRING = 2
const	TEXT = 3
const	ITEXT = 4
const	C_INT = 5
const	C_FLOAT = 6
const	C_BOOL = 7
const	LOOKUP = 8
const	ALIST = 9
const	HASH = 10
const	C_MIXED = 11
Static Public Attributes inherited from HTMLPurifier_VarParser
static	$types
	Lookup table of allowed types. More...
static	$stringTypes
	Lookup table of types that are string, and can have aliases or allowed value lists. More...

Detailed Description

This variable parser uses PHP's internal code engine.

Because it does this, it can represent all inputs; however, it is dangerous and cannot be used by users.

Definition at line 8 of file Native.php.

Member Function Documentation

evalExpression()

HTMLPurifier_VarParser_Native::evalExpression (   $expr )

protected

Parameters

string

$expr

Returns

mixed

Exceptions

HTMLPurifier_VarParserException

Definition at line 27 of file Native.php.

    {
        $var = null;
        $result = eval("\$var = $expr;");
        if ($result === false) {
            throw new HTMLPurifier_VarParserException("Fatal error in evaluated code");
        }
        return $var;
    }

References $result.

Referenced by parseImplementation().

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parseImplementation()

HTMLPurifier_VarParser_Native::parseImplementation (   $var,   $type,   $allow_null  )

protected

Parameters

mixed	$var
int	$type
bool	$allow_null

Returns

null|string

Reimplemented from HTMLPurifier_VarParser.

Definition at line 17 of file Native.php.

    {
        return $this->evalExpression($var);
    }

References evalExpression().

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The documentation for this class was generated from the following file:

• libs/composer/vendor/ezyang/htmlpurifier/library/HTMLPurifier/VarParser/Native.php