php_char_to_str   137 ext/standard/php_string.h PHPAPI int php_char_to_str(char *str, uint len, char from, char *to, int to_len, zval *result);
php_char_to_str  3963 ext/standard/string.c 		php_char_to_str(broken_str, Z_STRLEN_PP(str),'\n', "<br />\n", 7, return_value);