php_char_to_str   139 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  4222 ext/standard/string.c 		php_char_to_str(broken_str, str_len,'\n', "<br />\n", 7, return_value);