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Remove some unnecessary pass-by-reference.

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Signed-off-by: Edward Z. Yang <ezyang@mit.edu>
This commit is contained in:
Edward Z. Yang 2013-10-16 18:55:23 -07:00
parent 804a06f01e
commit d6fbd7df22
1 changed files with 4 additions and 8 deletions
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12
library/HTMLPurifier/AttrValidator.php
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@ -9,17 +9,13 @@ class HTMLPurifier_AttrValidator
{ {
/** /**
* Validates the attributes of a token, returning a modified token * Validates the attributes of a token, mutating it as necessary.
* that has valid tokens * that has valid tokens
* @param HTMLPurifier_Token $token Reference to token to validate. We require a reference * @param HTMLPurifier_Token $token Token to validate.
* because the operation this class performs on the token are
* not atomic, so the context CurrentToken to be updated
* throughout
* @param HTMLPurifier_Config $config Instance of HTMLPurifier_Config * @param HTMLPurifier_Config $config Instance of HTMLPurifier_Config
* @param HTMLPurifier_Context $context Instance of HTMLPurifier_Context * @param HTMLPurifier_Context $context Instance of HTMLPurifier_Context
* @return HTMLPurifier_Token
*/ */
public function validateToken(&$token, &$config, $context) public function validateToken($token, $config, $context)
{ {
$definition = $config->getHTMLDefinition(); $definition = $config->getHTMLDefinition();
$e =& $context->get('ErrorCollector', true); $e =& $context->get('ErrorCollector', true);
@ -40,7 +36,7 @@ class HTMLPurifier_AttrValidator
if (!$token instanceof HTMLPurifier_Token_Start && if (!$token instanceof HTMLPurifier_Token_Start &&
!$token instanceof HTMLPurifier_Token_Empty !$token instanceof HTMLPurifier_Token_Empty
) { ) {
return $token; return;
} }
// create alias to global definition array, see also $defs // create alias to global definition array, see also $defs