fuction fileExtend($filename){
return pathinfo($filename, PATHINFO_EXTENSION);
}
return pathinfo($filename, PATHINFO_EXTENSION);
}
2017-02-09
課后作業:
function getfiletype($filename) {
return pathinfo($filename)["extension"];
}
echo getfiletype('func.php');
function getfiletype($filename) {
return pathinfo($filename)["extension"];
}
echo getfiletype('func.php');
2017-02-08
function str_rand($str,$codeLen){
$rand="";
//生成隨機數
for($i=1;$i<$codeLen;$i++){
$rand.=$str[mt_rand(0, strlen($str)-1)];
}
return $rand;
}
echo str_rand("12345676279381823928141231491",'5');
$rand="";
//生成隨機數
for($i=1;$i<$codeLen;$i++){
$rand.=$str[mt_rand(0, strlen($str)-1)];
}
return $rand;
}
echo str_rand("12345676279381823928141231491",'5');
2017-02-07