Question

PHP怎么调用函数内部数组变量

class createHistoryList{

function creatList(){

$sql="select * from `ection`.`record` ORDER BY `record`.`realtytime` DESC ";
$query=mysql_query($sql);
$rows=mysql_num_rows($query);

for ($r=1;$r<=$rows;$r++){

$td_array=mysql_fetch_array($query);
$tr_array[$r]=$td_array;

}
}

}
我现在想在外部调用$tr_array。该怎么写?

Answer 1

如你要调用function的运行结果，首先function要有返回值。你只需这样写：
function creatList(){
....//你的代码
return $tr_array;//再末尾加上这句，就可以在外部获取运行结果
}

具体调用：
$test = new createHistoryList();
$arr =$test->creatList();//这不就获得$tr_array数组的值了么
print_r($arr);//打印$arr

Answer 2

class createHistoryList{

function creatList(){

$sql="select * from `ection`.`record` ORDER BY `record`.`realtytime` DESC ";
$query=mysql_query($sql);
$rows=mysql_num_rows($query);

for ($r=1;$r<=$rows;$r++){

$td_array=mysql_fetch_array($query);
$tr_array[$r]=$td_array;

}
return $tr_array;
}

}
$st=new createHistoryList();

使用：$st->creatList();

Answer 3

class createHistoryList{

function creatList(){

$sql="select * from `ection`.`record` ORDER BY `record`.`realtytime` DESC ";
$query=mysql_query($sql);
$rows=mysql_num_rows($query);

for ($r=1;$r<=$rows;$r++){

$td_array=mysql_fetch_array($query);
$tr_array[$r]=$td_array;

}
return $tr_array;
}

}
$st=new createHistoryList();

使用：$st->creatList();