Re-committing Alan's is_a revert/fix for bug #55475

Dmitry had done so earlier, but reverted pending discussion.
It is completely clear that this should never have been changed in the
5.3 branch in the first place giving the number of things that broke
because of it.
This commit is contained in:
Rasmus Lerdorf 2011-09-23 09:52:09 +00:00
parent ce68c06ece
commit 92f68921cf
3 changed files with 14 additions and 8 deletions

View File

@ -816,13 +816,19 @@ static void is_a_impl(INTERNAL_FUNCTION_PARAMETERS, zend_bool only_subclass)
int class_name_len;
zend_class_entry *instance_ce;
zend_class_entry **ce;
zend_bool allow_string = only_subclass;
zend_bool retval;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "zs", &obj, &class_name, &class_name_len) == FAILURE) {
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "zs|b", &obj, &class_name, &class_name_len, &allow_string) == FAILURE) {
return;
}
if (Z_TYPE_P(obj) == IS_STRING) {
/*
allow_string - is_a default is no, is_subclass_of is yes.
if it's allowed, then the autoloader will be called if the class does not exist.
default behaviour is different, as 'is_a' usage is normally to test mixed return values
*/
if (allow_string && Z_TYPE_P(obj) == IS_STRING) {
zend_class_entry **the_ce;
if (zend_lookup_class(Z_STRVAL_P(obj), Z_STRLEN_P(obj), &the_ce TSRMLS_CC) == FAILURE) {
RETURN_FALSE;
@ -848,7 +854,7 @@ static void is_a_impl(INTERNAL_FUNCTION_PARAMETERS, zend_bool only_subclass)
}
/* {{{ proto bool is_subclass_of(object object, string class_name)
/* {{{ proto bool is_subclass_of(mixed object_or_string, string class_name [, bool allow_string=true])
Returns true if the object has this class as one of its parents */
ZEND_FUNCTION(is_subclass_of)
{
@ -857,8 +863,8 @@ ZEND_FUNCTION(is_subclass_of)
/* }}} */
/* {{{ proto bool is_a(object object, string class_name)
Returns true if the object is of this class or has this class as one of its parents */
/* {{{ proto bool is_a(mixed object_or_string, string class_name [, bool allow_string=false])
Returns true if the first argument is an object and is this class or has this class as one of its parents, */
ZEND_FUNCTION(is_a)
{
is_a_impl(INTERNAL_FUNCTION_PARAM_PASSTHRU, 0);

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@ -1,4 +1,4 @@
/* Generated by re2c 0.13.5 on Sun Aug 1 12:07:43 2010 */
/* Generated by re2c 0.13.5 on Fri Aug 26 18:01:17 2011 */
#line 1 "Zend/zend_ini_scanner.l"
/*
+----------------------------------------------------------------------+

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@ -1,4 +1,4 @@
/* Generated by re2c 0.13.5 on Sun Aug 1 12:07:43 2010 */
/* Generated by re2c 0.13.5 on Fri Aug 26 18:01:17 2011 */
#line 3 "Zend/zend_ini_scanner_defs.h"
enum YYCONDTYPE {