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PHP¿¡¼ ¼¼¼Ç(session) »ç¿ëÇϱâ |
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PHP¿¡¼ ¼¼¼Ç »ç¿ëÇϱâ
PHP ¼¼¼ÇÀº ¸í½ÃÀûÀ¸·Î session_start() ÇÔ¼ö·Î ½ÃÀ۵ǰųª, ÇÔÃàÀûÀ¸·Î session_register()¸¦ »ç¿ëÇØ ¼¼¼Ç º¯¼ö¸¦ µî·ÏÇÔÀ¸·Î½á ½ÃÀ۵ȴÙ. ÀϹÝÀûÀ¸·Î session_start()´Â ÆäÀÌÁöÀÇ ¸Ç À§¿¡¼ È£ÃâµÇ¹Ç·Î ¼¼¼Ç º¯¼ö´Â ½ºÅ©¸³Æ®¿¡¼ »ç¿ëµÉ ¼ö ÀÖ°í, ½ºÅ©¸³Æ®¿¡¼ ¼¼¼Ç¿¡ º¯¼ö¸¦ µî·ÏÇÒ ¼ö ÀÖ´Ù.
¼¼¼ÇÀ» ¾î¶»°Ô ½ÃÀÛÇÏ´ø °£¿¡ ¾Æ·¡ÀÇ ÀýÂ÷°¡ ¹ß»ýÇÑ´Ù.
¡Ý PHP´Â À¯È¿ÇÑ ¼¼¼ÇID°¡ Á¸ÀçÇÏ´Â Áö È®ÀÎÇÑ´Ù.
¡Ý ¼¼¼ÇID°¡ ¾øÀ¸¸é PHP´Â »õ·Î¿î ID¸¦ ¸¸µç´Ù.
¡Ý À¯È¿ÇÑ ¼¼¼Ç ID°¡ ÀÖÀ¸¸é, µ¿°áµÇ¾î ÀÖ´ø ¼¼¼Ç º¯¼ö´Â ÀçÈ°¼ºÈ µÇ°í global namespace¿¡ ´Ù½Ã Àü´ÞµÈ´Ù.
¼¼¼Çº¯¼öÀÇ µî·ÏÀº session_register() ¸í·ÉÀ» ÅëÇØ ÀÌ·ïÁø´Ù.
ÀÌ´Â ¼¼¼ÇÀ» ÅëÇØ ÀúÀåµÇ°í ¼¼¼Çµ¿¾È ÂüÁ¶µÉ ¼ö ÀÖ´Â º¯¼ö¸¦ ¸¸µé ¼ö (ÀúÀåÇÒ ¼ö)ÀÖµµ·Ï Çã¿ëÇÑ´Ù. ÀÌ°ÍÀº ÆäÀÌÁö ¿äû¿¡ µû¸¥ ÀúÀåÇÏ°íÀÚ ÇÏ´Â ¸ðµç º¯¼ö°¡ session_register()¿¡ ÀÇÇØ ¼¼¼Ç ¶óÀ̺귯¸®¿¡ µî·ÏÇÔÀ¸·Î ±¸ÇöµÈ´Ù. À̶§ ÇÔ¼öÀÇ ¸Å°³°ªÀº º¯¼ö ÀÚü°¡ ¾Æ´Ñ º¯¼ö ¸íÀ» Àμö·Î ¹Þ´Â´Ù´Â »ç½ÇÀ» ÁÖÀÇÇÏÀÚ.
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¼¼¼Ç°ü·Ã ÇÔ¼ö
session_start(); - ÇØ´ç ÆÄÀÏ¿¡¼ ¼¼¼ÇÀ» ÃʱâÈÇÑ´Ù. ¹Ýµå½Ã ÇÁ·Î±×·¥ÀÇ ¸Ç óÀ½¿¡ ¿Í¾ßµÈ´Ù.
session_register(¡°º¯¼ö¸í¡±) - ¼¼¼Ç¿¡ º¯¼ö¸¦ µî·ÏÇÑ´Ù. ÁÖÀÇÇÒ°Ç º¯¼öÀÇ À̸§¸¸À» ¸Å°³ÀÎÀÚ·Î ¹Þ´Â´Ù.
session_register(¡°$a¡±)°°Àº Çü½ÄÀÌ ¾Æ´Ï¶ó session_register(¡°a¡±)¿Í °°ÀÌ ±â¼úÇÑ´Ù.
session_unregister(¡°º¯¼ö¸í¡°) - ¼¼¼ÇÀÇ ÁöÁ¤µÈ º¯¼ö¸¦ »èÁ¦ÇÑ´Ù.
session_unset(); - ¼¼¼Ç³»¿¡ ¸ðµç º¯¼ö¸¦ »èÁ¦ÇÑ´Ù.
session_destroy(); - ¼¼¼ÇID¸¦ »èÁ¦ÇÑ´Ù.
¿¹Á¦
a.php ===============================================
<?
session_start();
session_register("name");
session_register("passwd");
$name = '¹®¼º±â';
$passwd='¾ÏÈ£';
echo(" name = $name <br>");
echo(" passwd = $passwd <br>");
echo("<a href='./b.php'>b.php</a>");
?>
====================================================
b.php ===============================================
<?
session_start();
echo(" name = $name <br>");
echo(" passwd = $passwd <br>");
session_unset();
echo(" name = $name <br>");
echo(" passwd = $passwd <br>");
echo("<a href='./c.php'>c.php</a>");
?>
====================================================
c.php ===============================================
<?
session_start();
echo(" name = $name <br>");
echo(" passwd = $passwd <br>");
session_destroy();
echo("<a href='./a.php'>a.php</a>");
?>
====================================================
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