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php ¸í·É¾î ¸ðÀ½
13³â Àü
¾Õ¿¡ ¹®ÀÚ¸¦ °Ë»öÇϼ¼¿ä.
-- strcmp µÎ ¹®ÀÚ¿­ÀÇ °°°í ´Ù¸§À» ºñ±³
-- strncpy ¹®ÀÚ¿­À» ¸î¹ø° ¹®ÀÚºÎÅÍ n°³¸¸Å­ º¹»ç
-- strncat ¹®ÀÚ¿­À» n°³¸¸Å­ º¹»ç
-- chunk_split — ¹®ÀÚ¿­À» ÀÛÀº Á¶°¢À¸·Î ³ª´¯´Ï´Ù.
-- strlen ÀÌ ÇÔ¼ö´Â ¹®ÀÚ¿­ ±æÀ̸¦ µ¹·ÁÁÖ´Â ÇÔ¼öÀÌ´Ù.
<?
$a="ddong";
echo strlen($a);
?>
ÀÌ°ÍÀ» ½ÇÇàÇغ»´Ù¸é °á°ú°ªÀº 5ÀÌ´Ù.
Àú ±æÀÌ°¡ 5À̱⶧¹®ÀÌ´Ù.
ÇÑ´Ü°è´õ³ª¾Æ°¡¼­ ÀÌ·±½Äµµ¼¼¿ï¼öÀÖ´Ù.

<?

$a="function";

$b=strlen($a);

echo $b;

?>
ÀÌ °ªÀº 8ÀÌ´Ù.
Çؼ®À»Çغ¸ÀÚ¸é

<? //php½ÃÀÛ

$a="function"; //$aº¯¼ö¿¡ "function"À» ´ëÀÔÇÑ´Ù.

$b=strlen($a); //$bº¯¼ö¿¡ $a(function)ÀÇ ±æÀ̸¦ ´ëÀÔÇÑ´Ù.

echo $b; //$bº¯¼ö¸¦ ³ªÅ¸³½´Ù

?> //php³¡¸ÎÀ½

-- chunk_split — ¹®ÀÚ¿­À» ÀÛÀº Á¶°¢À¸·Î ³ª´¯´Ï´Ù.
ex)
<?
$content = "12345678901234567890";
$content = chunk_split ($content,3,"<br>");
echo $content;

/*
Ãâ·Â :
123
456
789
012
345
678
90
*/
-- strcmp µÎ ¹®ÀÚ¿­ÀÇ °°°í ´Ù¸§À» ºñ±³
/* µÎ ¹®ÀÚ¿­ÀÇ °°°í ´Ù¸§À» ºñ±³ÇÒ¶§´Â strcmp()ÇÔ¼ö¸¦
      ¾¹´Ï´Ù. strcmp()ÇÔ¼ö°¡ 0À» ¸®ÅÏÇß´Ù¸é µÎ ¹®ÀÚ¿­Àº
      °°´Ù´Â °á°úÀÔ´Ï´Ù. */
   if (strcmp(str1,str2)==0) printf("str1°ú str2´Â °°½À´Ï´Ù.\n");
                        else printf("str1°ú str2´Â ´Ù¸¨´Ï´Ù.\n");

-- strncpy ¹®ÀÚ¿­À» ¸î¹ø° ¹®ÀÚºÎÅÍ n°³¸¸Å­ º¹»ç

  /* ¹®ÀÚ¿­À» ¸î¹ø° ¹®ÀÚºÎÅÍ n°³¸¸Å­ º¹»ç ÇÒ¶§ strncpy()ÇÔ¼ö¸¦ ¾¹´Ï´Ù.
      str1ÀÇ 8¹ø° ºÎÅÍ 4°³¸¦ buf¿¡ º¹»çÇÕ´Ï´Ù. */
   strncpy (buf,str1+7,4);

-- strncat ¹®ÀÚ¿­À» n°³¸¸Å­ º¹»ç

  /* ¹®ÀÚ¿­À» n°³¸¸Å­ º¹»ç ÇÒ¶§ strncat()ÇÔ¼ö¸¦ ¾¹´Ï´Ù.
      str1ÀÇ 2¹ø° ºÎÅÍ 5°³¸¦ buf¿¡ µ¡ºÙÀÔ´Ï´Ù. */
   strncat (buf,str1+2,5);
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