Python基于字典的字符串格式化如下：person = {'name':'bruce', 'number':'56778'}
print("%(name)'s phone number is %(number)" % person)使用PHP实现类似功能：function sprintf_array($string, $array)
{
$keys = array_keys($array);
$keysmap = array_flip($keys);
$values = array_values($array);
while (preg_match('/%\(([a-zA-Z0-9_-]+)\)/', $string, $m))
{
if (!isset($keysmap[$m[1]]))
{
echo "No key $m...
