Added new API function 'zend_string* zend_string_tolower(zend_string*)'.

It simplifies code and avoids unnecessary allocation and copying if string is already in lower case.

1 files changed, 1 insertions, 0 deletions

diff --git a/Zend/zend_operators.h b/Zend/zend_operators.h
index 83a70d5c47..1426fe919a 100644
--- a/Zend/zend_operators.h
+++ b/Zend/zend_operators.h
@@ -325,6 +325,7 @@ ZEND_API int string_locale_compare_function(zval *result, zval *op1, zval *op2);
 ZEND_API void zend_str_tolower(char *str, size_t length);
 ZEND_API char *zend_str_tolower_copy(char *dest, const char *source, size_t length);
 ZEND_API char *zend_str_tolower_dup(const char *source, size_t length);
+ZEND_API zend_string *zend_string_tolower(zend_string *str);
 
 ZEND_API int zend_binary_zval_strcmp(zval *s1, zval *s2);
 ZEND_API int zend_binary_zval_strncmp(zval *s1, zval *s2, zval *s3);