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base64 encode - base64 decode
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1. base64_decode

base64_decode — MIME base64 ÀÎÄÚµå µ¥ÀÌÅ͸¦ µðÄÚµåÇÕ´Ï´Ù

base64_decode()´Â encoded_data ¸¦ µðÄÚµåÇÏ°í ¿ø µ¥ÀÌÅ͸¦ ¹ÝȯÇϰųª, ½ÇÆнÿ¡ FALSE¸¦ ¹ÝȯÇÕ´Ï´Ù. ¹Ýȯ µ¥ÀÌÅÍ´Â ¹ÙÀ̳ʸ®ÀÏ ¼ö ÀÖ½À´Ï´Ù.


string base64_decode ( string $encoded_data )

2. base64_encode


base64_encode — µ¥ÀÌÅ͸¦ MIME base64·Î ÀÎÄÚµåÇÕ´Ï´Ù.



base64_encode()´Â base64·Î ÀÎÄÚµåÇÑ data ¸¦ ¹ÝȯÇÕ´Ï´Ù.
ÀÌ ÀÎÄÚµùÀº ¸ÞÀÏ º»¹®°ú °°ÀÌ 8ºñÆ®¸¦ »ç¿ëÇÒ ¼ö ¾ø´Â Àü¼ÛÃþ¿¡¼­ ¹ÙÀ̳ʸ® µ¥ÀÌÅ͸¦ ¾ÈÀüÇÏ°Ô Àü¼ÛÇϱâ À§ÇØ ¼³°èµÇ¾ú½À´Ï´Ù.
Base64 ÀÎÄÚµå µ¥ÀÌÅÍ´Â ¿ø µ¥ÀÌÅͺ¸´Ù ¾à 33% ¸¹Àº °ø°£À» Â÷ÁöÇÕ´Ï´Ù.

string base64_encode ( string $data )



http://docs.php.net/manual/kr/function.base64-decode.php
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¹øÈ£ Á¦¸ñ
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sprintf — Çü½ÄÈ­ÇÑ ¹®ÀÚ¿­À» ¹Ýȯ
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array_merge — Çϳª ÀÌ»óÀÇ ¹è¿­À» º´ÇÕ
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checkdate — ±×·¹°í¸®·Â ³¯Â¥¸¦ È®ÀÎÇÕ´Ï´Ù
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file_get_contents
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mysql_insert_id
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implode — ¹®ÀÚ¿­·Î ¹è¿­ ¿ø¼Ò¸¦ °áÇÕ
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stripcslashes — addcslashes()·Î ÀοëÇÑ ¹®ÀÚ¿­À» µÇµ¹¸²
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stripslashes — µû¿ÈÇ¥ ó¸®ÇÑ ¹®ÀÚ¿­À» DZ´Ï´Ù
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mysql_fetch_assoc - ¿¬°ü ¹è¿­·Î °á°ú ÇàÀ» ¹Ýȯ
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array_pop — ¹è¿­ÀÇ ¸¶Áö¸· ¿ø¼Ò »©³»±â
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in_array — °ªÀÌ ¹è¿­ ¾È¿¡ Á¸ÀçÇÏ´ÂÁö È®ÀÎ
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ÆÄÀÏ È®ÀåÀÚ ºñ±³
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À̹ÌÁö ¿¡·¯½Ã ´ëüÀ̹ÌÁö Ç¥Çö
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ÇÁ·ÒÇÁÆ® ·Î±×ÀÎó¸®
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explode - ¹®ÀÚ¿­ ³ª´®
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base64_encode / base64_decode
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iconv - ¿øÇÏ´Â ¹®ÀÚ ÀÎÄÚµùÀ¸·Î º¯È¯ÇÑ´Ù
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Á¤±ÔÇ¥Çö½Ä ¸ÅÄ¡¸¦ ¼öÇà (preg_match)
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Á¤±Ô Ç¥Çö½Ä °Ë»ö°ú ġȯ (preg_replace)
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$_FILES
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´ë¼Ò¹®ÀÚ ¹Ù²Ù±â (strtoupper, strtolower)
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¹®ÀÚ¿­ µÚÁý±â (strrev)
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¹®ÀÚ¿­ÀÇ ±æÀÌ (strlen)
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µÎ°³ÀÇ ¹®ÀÚ¿­À» ºñ±³ (strcmp)
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ASCII ÄÚµå °ü·Ã ÇÔ¼ö (chr, ord)
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À̽ºÄÉÀÌÇÁ ÇÔ¼ö (htmlentities)
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Á¤±ÔÇ¥Çö½Ä °Ë»ç µµ±¸ (ereg, eregi)
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