<?
$res = substr("abcdefg",1);
echo " $res<br> ";
°á°ú = bcdefg
$res = substr("abcdefg",1,3);
echo " $res<br> ";
°á°ú = bcd ==> 1Àº ¾Õ¿¡ ÇÑÀÚ »èÁ¦ 3Àº 3ÀÚ¸®±îÁö¸¸ Ç¥Çö
$res = substr("abcdefg",-3);
echo " $res<br> ";
°á°ú = efg
$res = substr("abcdefg",-3,2);
echo " $res<br> ";
°á°ú = ef
$res = substr("abcdefg",3,-1);
echo " $res<br> ";
°á°ú = def
$res = substr("abcdefg",1,-3);
echo " $res<br> ";
°á°ú = bcd
$res = substr("abcdefg",-6,-1);
echo " $res<br> ";
°á°ú = bcdef
$res = substr("abcdefg",0,-1);
echo " $res<br> ";
°á°ú = abcdef
?>
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