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substr replace
13³â Àü
(PHP 4 , PHP 5)

substr_replace -- ¹®ÀÚ¿­ÀÇ ÀϺθ¦ ġȯÇÑ´Ù.
¼³¸í
string substr_replace ( string string, string replacement, int start [, int length])


substr_replace() ´Â stringÀÇ start ¿Í (¼±ÅÃÀûÀ¸·Î) length·Î Á¤ÇØÁø ±¸°£¿¡ ÇØ´çÇÏ´Â ºÎºÐÀ» replacement·Î ġȯÇÏ°í ±× °á°ú¸¦ ¹ÝȯÇÑ´Ù.

start°¡ ¾ç¼ö¶ó¸é stringÀÇ start¹ø° ġȯÀÌ ÀϾ´Ù.

start°¡ À½¼ö¶ó¸é, stringÀÇ ³¡¿¡¼­ ºÎÅÍ start¹ø° ¹®ÀÚ±îÁöÀÇ ¹®ÀÚ¿­À» ġȯÇÑ´Ù.

lengthÀÌ ¾ç¼ö¶ó¸é, À̴ ġȯ µÉ stringÀÇ ÀϺκÐÀÇ ±æÀ̸¦ ³ªÅ¸³½´Ù. ¸¸¾à À½¼ö¶ó¸é, stringÀÇ ³¡¿¡¼­ ºÎÅÍÀÇ ¹®ÀÚÀÇ ¼ö¸¦ ³ªÅ¸³½´Ù. ¸¸¾à ÁÖ¾îÁöÁö ¾Ê´Â´Ù¸é ±âº» °ªÀ¸·Î strlen(string) Áï, stringÀÇ ³¡¿¡¼­ ġȯÀÌ ³¡³²À» ÀǹÌÇÑ´Ù.

¿¹ 1. substr_replace() ¿¹

<?php

$var = 'ABCDEFGH:/MNRPQR/';

echo "Original: $var<hr>\n";



/* ´ÙÀ½ µÎ°¡Áö ¿¹´Â $varÀÇ ¸ðµç ¹®ÀÚ¿­À»  'bob'À¸·Î ġȯÇÑ´Ù. */

echo substr_replace ($var, 'bob', 0) . "<br>\n";

echo substr_replace ($var, 'bob', 0, strlen ($var)) . "<br>\n";



/* $varÀÇ Ã¹ºÎºÐ¿¡ 'bob' À» »ðÀÔÇÑ´Ù. */

echo substr_replace ($var, 'bob', 0, 0) . "<br>\n";



/* ´ÙÀ½ µÎ ¿¡´Â $var ³»ÀÇ 'MNRPQR' À»  'bob'À¸·Î ġȯÇÑ´Ù. */

echo substr_replace ($var, 'bob', 10, -1) . "<br>\n";

echo substr_replace ($var, 'bob', -7, -1) . "<br>\n";



/* $var·Î ºÎÅÍ'MNRPQR' À» Áö¿î´Ù. */

echo substr_replace ($var, '', 10, -1) . "<br>\n";

?>  



str_replace() ±×¸®°í substr()À» Âü°íÇ϶ó.

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