Don't do anything, if the input string has a length of 0.

PR: #7686
26 years ago · 2d011afbfd
1 changed files with 4 additions and 0 deletions
--- a/ext/standard/string.c
+++ b/ext/standard/string.c
@ -263,6 +263,10 @@ PHP_FUNCTION(wordwrap)
 	}

 	convert_to_string_ex(ptext);
+	
+	if (Z_STRVAL_PP(ptext) == 0)
+		RETVAL_FALSE;
+	
 	text = (*ptext)->value.str.val;

 	if (ZEND_NUM_ARGS() > 1) {