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[ÇÔ¼ö] foreach È°¿ë ¿¹Á¦
13³â Àü
<?
/* foreach ¿¹Á¦ 1: °ª¸¸ */

$a = array(1, 2, 3, 17);

foreach ($a as $v) {
   echo "\$aÀÇ ÇöÀç °ª: $v.\n";
}

/* foreach ¿¹Á¦ 2: °ª (Å°´Â °¡»óÀ¸·Î Ãâ·Â) */

$a = array(1, 2, 3, 17);

$i = 0; /* °¡»ó ¸ñÀûÀ¸·Î¸¸ »ç¿ë */

foreach ($a as $v) {
   echo "\$a[$i] => $v.\n";
   $i++;
}

/* foreach ¿¹Á¦ 3: Å°¿Í °ª */

$a = array(
   "one" => 1,
   "two" => 2,
   "three" => 3,
   "seventeen" => 17
);

foreach ($a as $k => $v) {
   echo "\$a[$k] => $v.\n";
}

/* foreach ¿¹Á¦ 4: ´ÙÂ÷¿ø ¹è¿­ */

$a[0][0] = "a";
$a[0][1] = "b";
$a[1][0] = "y";
$a[1][1] = "z";

foreach ($a as $v1) {
   foreach ($v1 as $v2) {
       echo "$v2\n";
   }
}

/* foreach ¿¹Á¦ 5: µ¿Àû ¹è¿­ */

foreach (array(1, 2, 3, 4, 5) as $v) {
   echo "$v\n";
}
?>
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