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[PHP] Á¦¾î ±¸Á¶ - foreach ¹è¿­ as º¯¼ö
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foreach´Â PHP4.0 ÀÌ»ó ¹öÀü¿¡¼­¸¸ ÀÛµ¿Çϸç, ÀÌÀü ¹öÀü¿¡¼­ foreach¸¦ ÀÌ¿ëÇÏ¸é ¿À·ù°¡ ³³´Ï´Ù. PHP4.0À¸·Î ¹öÀü¾÷ µÇ¸é¼­ »õ·Î¿î ±â´ÉÀ̶ó°í ÇÒ ¼ö ÀÖ½À´Ï´Ù. Perl À̶ó´Â ¾ð¾î¿¡ foreachÇÔ¼ö°¡ À־ Æí¸®ÇÏ¿´´Âµ¥ ÀÌÁ¦ PHP4.x ¹öÀü¿¡ foreach ±â´ÉÀÌ Áö¿øµÇ¾î ³Ê¹« ±â»Þ´Ï´Ù. <?
    $ab = array("ÀÌÈ£¸²","¿Àº¹¼º","±èö¿µ","Àü°æÃá","ÀÌ°­","¹Ú½Â¿ø","±è¼ºÈÆ","±èÁøÇÊ");
    $cd = array(
              "ÀÌÈ£¸²" => "ÇÁ·Î±×·¡¸Ó",
              "¿Àº¹¼º" => "ȸ»ç¿ø",
              "±èö¿µ" => "ȸ»ç¿ø",
              "Àü°æÃá" => "±ºÀÎ",
              "ÀÌ°­" => "±ºÀÎ",
              "¹Ú½Â¿ø" => "´ëÇлý",
              "±è¼ºÈÆ" => "±ºÀÎ",
              "±èÁøÇÊ" => "±ºÀÎ"
              );

    foreach($ab as $name) {
      echo("$name<br>");
    }

    echo("<p> </p>");


    foreach($cd as $name => $job) {
      echo("\$cd[$name] => $job<br>");
    }

    echo("<br>----------------------------------------------------------------------<br><br>");

    $ab = array("ÀÌÈ£¸²","¿Àº¹¼º","±èö¿µ","Àü°æÃá","ÀÌ°­","¹Ú½Â¿ø","±è¼ºÈÆ","±èÁøÇÊ");
    $cd = array(
              "ÀÌÈ£¸²" => "ÇÁ·Î±×·¡¸Ó",
              "¿Àº¹¼º" => "ȸ»ç¿ø",
              "±èö¿µ" => "ȸ»ç¿ø",
              "Àü°æÃá" => "±ºÀÎ",
              "ÀÌ°­" => "±ºÀÎ",
              "¹Ú½Â¿ø" => "´ëÇлý",
              "±è¼ºÈÆ" => "±ºÀÎ",
              "±èÁøÇÊ" => "±ºÀÎ"
              );

    for($i=0;$i<count($ab);$i++) {
      echo($ab[$i]."<br>");
    }

    echo("<p> </p>");

    for($i=0;$i<count($cd);$i++) {
      list($key, $val) = each($cd);
      echo("\$cd[$key] => $val<br>");
    }
?>


À§ ¿¹¹®Àº ù ¹ø°·Î foreachÇÔ¼ö¸¦ ÀÌ¿ëÇÏ¿© ¹è¿­¿¡ ´ã±ä °ªÀ» Ãâ·ÂÇÏ¿´°í µÎ ¹ø°·Î for, count, list, each ¿©·¯ °¡Áö ÇÔ¼ö¸¦ ÀÌ¿ëÇÏ¿© Ãâ·ÂÇÏ¿´½À´Ï´Ù. ÃʵîÇб³ Çлýµéµµ ù ¹ø°¿Í µÎ ¹ø° ¿¹¹®Áß ¾î¶² ÇÔ¼ö¸¦ ÀÌ¿ëÇÏ¿© Ãâ·ÂÇÒ °Í ÀÌ³Ä°í ¹°¾îº¸¸é ´ç¿¬È÷ ù ¹ø° ¿¹¹®¿¡ ÀÌ¿ëµÇ¿´´ø foreachÇÔ¼ö¸¦ ÀÌ¿ëÇÏ¿© Ãâ·ÂÇÒ °ÍÀ̶ó°í ¸»ÇÒ °ÍÀÔ´Ï´Ù. À§ ù ¹ø° ¿¹¹®°ú °°ÀÌ foreach´Â ³Ê¹«³ªµµ Æí¸®ÇÑ ÇÔ¼öÀÔ´Ï´Ù.
À§ ¿¹¹®À» À¥ºê¶óÀú·Î º¸¸é ¾Æ·¡¿Í °°½À´Ï´Ù.

ÀÌÈ£¸²
¿Àº¹¼º
±èö¿µ
Àü°æÃá
ÀÌ°­
¹Ú½Â¿ø
±è¼ºÈÆ
±èÁøÇÊ



$cd[ÀÌÈ£¸²] => ÇÁ·Î±×·¡¸Ó
$cd[¿Àº¹¼º] => ȸ»ç¿ø
$cd[±èö¿µ] => ȸ»ç¿ø
$cd[Àü°æÃá] => ±ºÀÎ
$cd[ÀÌ°­] => ±ºÀÎ
$cd[¹Ú½Â¿ø] => ´ëÇлý
$cd[±è¼ºÈÆ] => ±ºÀÎ
$cd[±èÁøÇÊ] => ±ºÀÎ

----------------------------------------------------------------------

ÀÌÈ£¸²
¿Àº¹¼º
±èö¿µ
Àü°æÃá
ÀÌ°­
¹Ú½Â¿ø
±è¼ºÈÆ
±èÁøÇÊ



$cd[ÀÌÈ£¸²] => ÇÁ·Î±×·¡¸Ó
$cd[¿Àº¹¼º] => ȸ»ç¿ø
$cd[±èö¿µ] => ȸ»ç¿ø
$cd[Àü°æÃá] => ±ºÀÎ
$cd[ÀÌ°­] => ±ºÀÎ
$cd[¹Ú½Â¿ø] => ´ëÇлý
$cd[±è¼ºÈÆ] => ±ºÀÎ
$cd[±èÁøÇÊ] => ±ºÀΠ 

Á¶¾ð : foreachÇÔ¼ö°¡ Æí¸®ÇÏ´Ù°í list, each ÇÔ¼ö¸¦ ÀÌ¿ëÇÏ¿© Ãâ·ÂÇÏ´Â ¹æ¹ýÀ» ±×³É ³Ñ¾î°¡¸é Àý´ë·Î ¾ÈµË´Ï´Ù. ÇÁ·Î±×·¡¸Ó´Â ¹Ýµå½Ã ¾î·Æ°Ô ±¸ÇöÇÏ´Â °Í°ú ½±°Ô ±¸ÇöÇÏ´Â ¹æ¹ý µÑ´Ù ¾Ë°í ÀÖ¾î¾ß ÇÕ´Ï´Ù.
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