PHP 5.3 strlen

README.md

http://www.christophermanning.org/writing/internal-type-juggling-in-php-5-2-vs-php-5-3/

PHP 5.3 strlen.patch

@@ -303,13 +300,14 @@
    Get string length */
 ZEND_NAMED_FUNCTION(zend_if_strlen)
 {
-	zval **str;
+	char *s1;
+	int s1_len;
 
-	if (ZEND_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &str) == FAILURE) {
-		ZEND_WRONG_PARAM_COUNT();
+	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &s1, &s1_len) == FAILURE) {
+		return;
 	}
-	convert_to_string_ex(str);
-	RETVAL_LONG(Z_STRLEN_PP(str));
+
+	RETVAL_LONG(s1_len);
 }