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php´Â ±×·± ¹ø°Å·Î¿òµµ ¿ë³³ÇÏÁú ¾Ê°í str_pad¶ó´Â ÇÔ¼ö·Î Çѹ濡 ó¸®ÇÒ ¼ö ÀÖ°Ô²û ÇØ ÁÝ´Ï´Ù.

¾Æ·¡´Â str_pad ÇÔ¼öÀÇ ¿øÇüÀ¸·Î ¹®ÀÚ¿­ inputÀÌ ÁöÁ¤ÇÑ ±æÀÌ(pad_length) ¸¸Å­ µÇµµ·Ï ¹®ÀÚ¿­À» ¿ÞÂÊ, ¿À¸¥ÂÊ, ¶Ç´Â ¾çÂÊÀ¸·Î ä¿ö ³Ö½À´Ï´Ù. ¾î´ÀÂÊ¿¡ ä¿ö ³ÖÀ» °ÍÀÎÁö´Â ¼±ÅÃÀû ÀÎÀÚÀÎ pad_type¿¡ ÀÇÇؼ­ ÁöÁ¤µÇ¾î¾ß ÇÏ°í, pad_typeÀ» ÁöÁ¤ÇÏÁö ¾ÊÀ¸¸é ¿À¸¥ÂÊ ºÎÅÍ Ã¤¿ö³Ö°Ô µË´Ï´Ù. pad_typeÀº STR_PAD_RIGHT, STR_PAD_LEFT, STR_PAD_BOTH Áß ÇÑ°¡Áö¸¦ »ç¿ëÇÒ ¼ö ÀÖ½À´Ï´Ù. ¶Ç´Ù¸¥ ¼±ÅÃÀû ÀÎÀÚÀÎ pad_stringÀº ä¿ö³ÖÀ» ¹®ÀÚ¸¦ ¶æÇÕ´Ï´Ù. pad_stringÀÌ ÁöÁ¤µÇÁö ¾ÊÀ¸¸é inputÀº °ø¹éÀ¸·Î ä¿öÁö°Ô µË´Ï´Ù.

string str_pad ( string input, int pad_length [, string pad_string [, int pad_type]])



<?php

   $employee_num = "1";
   $employee_num = str_pad($employee_num, 5, "0", STR_PAD_LEFT);
   echo$employee_num."<br>"; //°á°ú´Â "00001"


   $employee_num = "1";
   $employee_num = str_pad($employee_num, 5, "0", STR_PAD_RIGHT);
   echo$employee_num."<br>"; //°á°ú´Â "10000"


   $employee_num = "1";
   $employee_num = str_pad($employee_num, 5, "0", STR_PAD_BOTH);
   echo$employee_num."<br>"; //°á°ú´Â "00100"


   $employee_num = "1";
   $employee_num = str_pad($employee_num, 5);
   echo$employee_num."<br>"; //°á°ú´Â "1     "


?>

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