php读取整个文件各函数比较
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2022-07-02 14:50:31
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一 代码
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>使用readfile()函数、file()函数和file_get_contents()函数分别读取文件count.txt的内容</title>
<style type="text/css">
<!--
.STYLE2 {
font-size: 16px;
font-weight: bold;
font-family: "华文琥珀";
color: #FFFFFF;
}
.STYLE3 {font-size: 12px}
.STYLE4 {color: #999999}
.STYLE5 {
font-size: 12px;
font-weight: bold;
color: #999999;
}
-->
</style>
</head>
<body>
<table width="592" height="260" border="0" cellpadding="0" cellspacing="0" background="images/bg.JPG">
<tr>
<td width="134" align="right" valign="middle" scope="col"> </td>
<td width="35" rowspan="2" align="right" valign="middle" scope="col"> </td>
<td height="40" colspan="2" align="center" valign="middle" scope="col">
<p>
<span class="STYLE5">使用readfile()、file()和file_get_contents()读取count.txt</span></p> </td>
</tr>
<tr>
<td width="134" align="right" valign="middle" scope="col"><span class="STYLE2">readfile函数：</span></td>
<td width="398" align="left" valign="middle" scope="col"><span class="STYLE3">
<!-- 使用readfile()函数读取count.txt文件的内容 -->
<?php readfile('count.txt'); ?>
</span></td>
<td width="25" align="center" valign="middle" scope="col"> </td>
</tr>
<tr>
<td align="right" valign="middle" class="STYLE2">file函数：</td>
<td rowspan="3" align="right" valign="middle" class="STYLE2"> </td>
<td align="left" valign="bottom" class="STYLE3 STYLE4"> <!-- 使用file()函数读取count.txt文件的内容 -->
<?php
$f_arr = file('count.txt');
foreach($f_arr as $cont){
echo $cont."<br>";
}
?></td>
<td width="25" rowspan="3" align="center" valign="middle"> </td>
</tr>
<tr>
<td align="center" valign="middle" class="STYLE2"><p>file_get</p>
<p>_contents函数：</p></td>
<td align="left" valign="middle" class="STYLE3">
<!-- 使用file_get_contents()函数读取count.txt文件的内容 -->
<?php
$f_chr = file_get_contents('count.txt');
echo $f_chr;
?> </td>
</tr>
<tr>
<td align="right" valign="top" class="STYLE2"> </td>
<td height="20" align="center" valign="middle"> </td>
</tr>
</table>
</body>
</html>
二 运行结果
