จะวนลูปชื่อตัวแปร PHP แล้วนำตัวแปรที่วนลูปมาตั้งเป็นชื่อตัวแปรน่ะครับ ไม่ทราบว่าทำอย่างไรครับ ปล.มีโค๊ดอยู่ด้านในครับ ^_^

$data[1][1] = "test1";
$data[1][2] = "test2";
$data[1][3] = "test3";

$data[2][1] = "test1";
$data[2][2] = "test2";
$data[2][3] = "test3";

foreach($data as $i => $item){
  foreach($item as $j => $items){
    echo $items.'<br>';
  }
}

$value_11 = "test1";
$i=1; $j=1;
$var = 'value_'.$i.$j;

echo $var . '=' . $$var;

$Array1 = array(
		$ArrayA = array(
			'txt1' => '1',
			'txt2' => '2',
			'txt3' => '3'
		),
		$ArrayB = array(
			'txt1' => '1',
			'txt2' => '2',
			'txt3' => '3'
		),
		$ArrayC = array(
			'txt1' => '1',
			'txt2' => '2',
			'txt3' => '3'
		)
);

foreach($Array1 as $RS){
	echo $RS[txt1].'<br>';
	echo $RS[txt2].'<br>';
	echo $RS[txt3].'<br>';
	echo "---------- <br>";

}

$value_11 = "test1";
$value_12 = "test2";
$value_13 = "test3";

$value_21 = "test1";
$value_22 = "test2";
$value_23 = "test3";

for($i=1;$i<=2;$i++)
{
    for($j=1;$j<=3;$j++)
    {
        $get_value = ${'value_'.$i.$j};
        echo $get_value;
        echo "<br>";
    }
}

test1
test2
test3
test1
test2
test3