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 textarea.php
 ½Æ»s¥N½X<html><head>
<title>¦h¦æ¤å¦r¿é¤J¤¸¥ó¨Ï¥Î</title>
</head><body>
<form action="textarea_ans.php" method="Post">
½Ð¿é¤J¯d¨¥:<Br>
<Textarea name="content" cols="35" rows="5">
</Textarea><Br>
<input type="Submit">
</form>
</body></html>
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| ¦³®ÉÔ¡A§Ú̪º¿é¤Jª©±»P¸ê®Æ¿é¤Jª©±ªº°t¸m¤£¦P¡A¦pªG¨Ìì©l¸ê®Æ®æ¦¡¨Ó¿é¥X¡A¥i¯à³y¦¨§Ú̺ô¶±Æª©ªº°ÝÃD¡A¦]¦¹¡A¥ç¥i¥H¨Ï¥Î¡uwordwrap()¡v¨ç¼Æ¨Ó«ü©w¨C¤@¦æ¸ê®Æªº¿é¥Xªø«×¡G wordwrap()¨ç¼Æ®æ¦¡
 ½d¨Òtextarea_2_ans.php°õ¦æ«á¡A¦p¤U¹Ï¡A½Ð°t¦Xtextarea_2.phpªí³æ¿é¤Jºô¶¡G½Æ»s¥N½Xstring wordwrap ( string str [, int width [, string break [, boolean cut]]])
     ¹Ï5-25  ¤å¦r§é¦æ¡C
 textarea_2_ans.php
 ½Æ»s¥N½X<html><head>
<title>¦h¦æ¤å¦r¿é¤J¤¸¥ó¨Ï¥Î</title>
</head><body>
<?
$mycontent=$_REQUEST["content"];
?>
ì©l¸ê®Æ(¥¼´«¦æ):<Br>
<?=$mycontent?>
<P>
ì©l¸ê®Æ(¤w´«¦æ):<Br>
<?
$newword=wordwrap($mycontent,40,"<br>",1);
echo "$newword";
?>
</body></html>
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| §Ú̱`¦b¯d¨¥ªO©Î°Q½×°Ï¤¤¨£¨ì¦³¨Çºô¤Í«Ü³ßÅw½|ż¸Ü¡An¸Ñ¨M¥X²{¤£¶®¦r¥yªº¿ìªk¡A´N¬O±Nż¸Ü¹LÂo±¼¡A§â¥¦´«¦¨¤å¦r©Î°®¯Ü®ø°£¥¦¡AYn¸m´«±¼¦r¦ê¤¤ªº¬Y¨Ç¦r¥y¥i¨Ï¥Î¡ustr_replace()¡v¨ç¼Æ¡G str_replace()¨ç¼Æ®æ¦¡
 ¨Ò¦p¡G½d¨Òex5_14.php½Æ»s¥N½Xmixed str_replace ( mixed search, mixed replace, mixed subject [, int &count])
½Æ»s¥N½X<?
$testword="§A¯u¬OÓÃa³J";
$newword=str_replace("Ãa³J","bad man",$testword);
echo $newword; //¿é¥X'§A¯u¬OÓbad man'
?>
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