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PHP 读取TXT文本有关问题

WBOY
WBOYOriginal
2016-06-13 12:52:08765browse

PHP 读取TXT文本问题
我想读取a.txt中第二个$,到第三个$之间的数据怎么弄谢谢了!!! 


------解决方案--------------------
$fp = fopen('filename', 'r');<br />
$num = 0;<br />
$s = '';<br />
while($ch = fgetc($fp)) {<br />
  if($ch == '$') {<br />
    $num++;<br />
    if($num > 2) break;<br />
  }elseif($num == 2) $s .= $ch;<br />
}<br />
echo $s;
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