<?php
$file_path = "test.txt";
if(file_exists($file_path)){
$fp = fopen($file_path,"r");
$str = fread($fp,filesize($file_path));//指定读取大小，这里把整个文件内容读取出来
echo $str = str_replace("\r\n","<br />",$str);
fclose($fp);
}

	?>



	





	





	
<?php
$file_path = "test.txt";
if(file_exists($file_path)){
$str = file_get_contents($file_path);//将整个文件内容读入到一个字符串中
$str = str_replace("\r\n","<br />",$str);
echo $str;
}
?>


	



	



	



<?php
$file_path = "test.txt";
if(file_exists($file_path)){
$fp = fopen($file_path,"r");
$str = "";
$buffer = 1024;//每次读取 1024 字节
while(!feof($fp)){//循环读取，直至读取完整个文件
$str .= fread($fp,$buffer);
} 
$str = str_replace("\r\n","<br />",$str);
echo $str;
fclose($fp);
}
?>


	



	



<?php
$file_path = "test.txt";
if(file_exists($file_path)){
$file_arr = file($file_path);
for($i=0;$i<count($file_arr);$i++){//逐行读取文件内容
echo $file_arr[$i]."<br />";
fclose($file_arr);
}
/*
foreach($file_arr as $value){
echo $value."<br />";
}*/
}
?>


	



	



<?php
$file_path = "test.txt";
if(file_exists($file_path)){
$fp = fopen($file_path,"r");
$str ="";
while(!feof($fp)){
$str .= fgets($fp);//逐行读取。如果fgets不写length参数，默认是读取1k。
}
$str = str_replace("\r\n","<br />",$str);
echo $str;
fclose($fp);
}
?>

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