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[php] ¹®ÀÚ¿­À» ³ª´©°Å³ª ÇÕÄ¡´Â explode, implode ÇÔ¼ö
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array explode ( string $delimiter , string $string [, int $limit ] ) (PHP 4, PHP 5)

explodeÇÔ¼ö´Â ÀÚÁÖ »ç¿ëµÇ´Â ÇÔ¼ö·Î ¾Ë¾Æ µÑ Çʿ䰡 ÀÖ½À´Ï´Ù. delimiter ¹®ÀÚ¿­À» °æ°è·Î ³ª´©¾îÁø string¹®ÀÚ¿­À» ¹è¿­·Î ¹ÝȯÇÕ´Ï´Ù.
¿©±â¼­ limit¸¦ ÁöÁ¤Çϸé, limit ¼ö ¸¸Å­ ¹è¿­À» ³ª´©¾î ³ª¸ÓÁö ¿ø¼Ò´Â stringÀ¸·Î ¹ÝȯÇÕ´Ï´Ù. limit Àμö°¡ À½¼öÀ̸é, ¸¶Áö¸· ¹è¿­¸¦ Á¦¿ÜÇÑ ¹®ÀÚ¿­¸¦ ¹ÝȯÇÕ´Ï´Ù.

¿¹Á¦ (ex# 1
<?php
// °ø¹éÀ» ±âÁØÀ¸·Î ¹®ÀÚ¿­À» ³ª´¯´Ï´Ù.
$pizza  = "piece1 piece2 piece3 piece4 piece5 piece6";
$pieces = explode (" ", $pizza);

print_r($pieces);
/*
°á°ú:
Array
(
    [0] => piece1
    [1] => piece2
    [2] => piece3
    [3] => piece4
    [4] => piece5
    [5] => piece6
)
*/


// :¸¦ ±âÁØÀ¸·Î ¹®ÀÚ¿­À» ³ª´¯´Ï´Ù.
$data = "foo:*:1023:1000::/home/foo:/bin/sh";
$str = explode(":", $data);
print_r($str);
/*
°á°ú:
Array
(
    [0] => foo
    [1] => *
    [2] => 1023
    [3] => 1000
    [4] =>  
    [5] => /home/foo
    [6] => /bin/sh
)
*/
?>


´ÙÀ½Àº limitÀÎÀÚ·Î ¹®ÀÚ¿­À» ³ª´©´Â ¿¹Á¦ÀÔ´Ï´Ù.

¿¹Á¦ (ex# 2
<?php
// ¾ç¼ö limit ¼ö ¸¸Å­ ¹®ÀÚ¿­À» ³ª´¯´Ï´Ù.
$str = 'one|two|three|four';
print_r(explode('|', $str, 2));
/*
°á°ú:
Array
(
    [0] => one
    [1] => two|three|four
)
*/

// À½¼ö limit (PHP 5.1ºÎÅÍ) ¸¶Áö¸· ¹®ÀÚ¿­À» Á¦¿ÜÇÑ ¹è¿­·Î ¹ÝȯÇÕ´Ï´Ù.
$str = 'one|two|three|four';
print_r(explode('|', $str, -1));
/*
°á°ú:
Array
(
    [0] => one
    [1] => two
    [2] => three
)
*/


$str = '/one/two/three/four/';
print_r(explode('/', $str, -1));
/*
°á°ú:
Array
(
    [0] =>
    [1] => one
    [2] => two
    [3] => three
    [4] => four
)  
*/
?>

¹è¿­ ¿ø¼Ò¸¦ ¹®ÀÚ¿­·Î °áÇÕÇÏ´Â implode ÇÔ¼ö

string implode ( string $glue , array $pieces ) (PHP 4, PHP 5)
¹è¿­ ¿ø¼Ò¸¦ glue ¹®ÀÚ¿­·Î °áÇÕ½ÃÄÑ ÁÖ¸ç, ºó ¹®ÀÚ¿­ glue¸¦ Çã¿ëÇÕ´Ï´Ù.

¿¹Á¦ (ex# 3
<?php
// ,·Î ¹®ÀÚ¿­À» °áÇÕ½Ãŵ´Ï´Ù.
$array = array('lastname', 'email', 'phone');
$comma_separated = implode(",", $array);

echo $comma_separated; // °á°ú: lastname,email,phone


// |·Î ¹®ÀÚ¿­ °áÇÕÀÔ´Ï´Ù.
$path = array('one','two','three','four');
$comma_separated = implode("|", $array);

echo $comma_separated; // °á°ú:  one|two|three|four


// glue ÀÎÀÚ¸¦ »ý·«ÇÑ ¹®ÀÚ¿­ °áÇÕÀÔ´Ï´Ù.
// ÀÌ´Â ±¸ºÐ ÀÎÀÚ¾øÀÌ ¹®ÀÚ¿­À» °áÇÕ½Ãŵ´Ï´Ù.
$array = array('lastname', 'email', 'phone');
$comma_separated = implode($array);

echo $comma_separated; // °á°ú: lastnameemailphone


// glue ÀÎÀÚ¸¦ ºñ¿öµµ °°Àº È¿°ú¸¦ °¡Áú ¼ö ÀÖ½À´Ï´Ù.  
$array = array('lastname', 'email', 'phone');
$comma_separated = implode("", $array);

echo $comma_separated; // °á°ú: lastnameemailphone
?>
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