Reverted Gopal's patch that allowed plugable interned string check

1. It introduced a significant slowdown
2. It didn't fix the real problem in APC (I'm goint to commit the fix) 


git-svn-id: http://svn.php.net/repository/php/php-src/trunk@313844 c90b9560-bf6c-de11-be94-00142212c4b1

Author: dmitry

Zend/zend_string.c

@@ -30,12 +30,10 @@
 #endif
 
 ZEND_API const char *(*zend_new_interned_string)(const char *str, int len, int free_src TSRMLS_DC);
-ZEND_API zend_bool (*zend_is_interned_string)(const char *str TSRMLS_DC);
 ZEND_API void (*zend_interned_strings_snapshot)(TSRMLS_D);
 ZEND_API void (*zend_interned_strings_restore)(TSRMLS_D);
 
 static const char *zend_new_interned_string_int(const char *str, int len, int free_src TSRMLS_DC);
-static zend_bool zend_is_interned_string_int(const char *str TSRMLS_DC);
 static void zend_interned_strings_snapshot_int(TSRMLS_D);
 static void zend_interned_strings_restore_int(TSRMLS_D);
 
@@ -66,7 +64,6 @@ void zend_interned_strings_init(TSRMLS_D)
 #endif
 
 	zend_new_interned_string = zend_new_interned_string_int;
-	zend_is_interned_string = zend_is_interned_string_int;
 	zend_interned_strings_snapshot = zend_interned_strings_snapshot_int;
 	zend_interned_strings_restore = zend_interned_strings_restore_int;
 }
@@ -180,11 +177,6 @@ static const char *zend_new_interned_string_int(const char *arKey, int nKeyLengt
 #endif
 }
 
-static zend_bool zend_is_interned_string_int(const char *s TSRMLS_DC)
-{
-	return (((s) >= CG(interned_strings_start)) && ((s) < CG(interned_strings_end)));
-}
-
 static void zend_interned_strings_snapshot_int(TSRMLS_D)
 {
 	CG(interned_strings_snapshot_top) = CG(interned_strings_top);

Zend/zend_string.h

@@ -24,7 +24,6 @@
 #include "zend.h"
 
 ZEND_API extern const char *(*zend_new_interned_string)(const char *str, int len, int free_src TSRMLS_DC);
-ZEND_API extern zend_bool (*zend_is_interned_string)(const char *str TSRMLS_DC);
 ZEND_API extern void (*zend_interned_strings_snapshot)(TSRMLS_D);
 ZEND_API extern void (*zend_interned_strings_restore)(TSRMLS_D);
 
@@ -34,7 +33,7 @@ void zend_interned_strings_dtor(TSRMLS_D);
 #ifndef ZTS
 
 #define IS_INTERNED(s) \
-	(zend_is_interned_string ? zend_is_interned_string((s) TSRMLS_CC) : 0)
+	(((s) >= CG(interned_strings_start)) && ((s) < CG(interned_strings_end)))
 
 #else