PHP file_get_contents是否有限制? [英] Is there a limit on PHP file_get_contents?

问题描述

我正在尝试使用php file_get_contents读取一个大文件(10M)

I am trying to read a large file (10M) using php file_get_contents

$file = 'http://www.remoteserver.com/test.txt';
$data = file_get_contents( $file );
var_dump ( $data );

它转回了

string(32720)

，然后仅显示文件一部分的输出. file_get_contents的某个地方有限制吗?我尝试做ini_set('memory_limit'，'512M')，但这没用.

and then the output with only showing part of the file. Is there a limit somewhere of file_get_contents? I tried doing ini_set('memory_limit', '512M'), but that did not work.

** 忘记提及 **这是一个远程文件.

** forgot to mention ** it's a remote file.

已解决的问题 ::硬盘空间不足.解决了该问题，现在一切正常.

PROBLEM RESOLVED:: Out of HDD space. Fixed that and now everything works.

推荐答案

假设您要加载的文件的内容在逻辑上由换行符分隔(例如，不是二进制文件)，那么您可能最好不读行按行.

Assuming the contents of the file you want to load are logically separated by line breaks (eg: not a binary file), then you might be better off reading line by line.

$fp = fopen($path_to_file, "r");  
$fileLines = array();
while (!feof($fp)){
  array_push(fgets($fp),$fileContents);
} 
fclose($$fp);

如果您确实需要将文件打包成一个块"，则可以始终implode()(选择换行符)将数组恢复为单个字符串.

You could always implode() (with your choice of line break character) the array back to a single string if you really need the file in one "chunk".

参考-

• fgets()
• implode()

这篇关于PHP file_get_contents是否有限制?的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！