作用是把$time的值按照后边的规则截取后赋给list中的三个变量,%d的意思同C中的规则(代表数字),最后得到的结果是:$time = "12:11:10";
list( $hour, $min, $sec ) = sscanf($time, "%d:%d:%d")
echo $hour."<br>".$min."<br>".$sec;12
11
10
list( $hour, $min, $sec ) = sscanf($time, "%d:%d:%d")
echo $hour."<br>".$min."<br>".$sec;12
11
10
$s = "123abcd";
print_r(sscanf($s,"%d%s"));