在PHP脚本中包含文本文件中的数组

Question

I am making a script that outputs a nested array to a text file in PHP. However I am struggling to get other scripts to use the array when I use include('array.txt');

I have tried several different methods like $var = include('array.txt'); or just the include with the var defined inside the text file to no avail.

It is important to note that this file only ever wants to be generated once and the array should not change after that (hence the method of outputting to a text file)

Here is an example of what the array file looks like.

array(array('2','30','37','43','104','152','166','193'),array('10','60','95','112','116','163','199','240','242'),array('12','44','80','91','128','138','140','231'),array('19','38','102','111','130','134','175','207','210','246'))

What is the correct way to do this?

Answer 1

Use serialization:

file_put_contents ($filename, serialize ($array)); // write to file
$array = unserialize (file_get_contents ($filename)); // retrieve

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Or JSON encoding:

file_put_contents ($filename, json_encode ($array)); // write to file
$array = json_decode (file_get_contents ($filename), true); // retrieve

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Also, it might be a good idea to use gzip encoding to save disk space. (using gzencode() and gzdecode() )

Answer 2

The easiest way would be to change the file extension to .php for the output file. A .php is just a text file with the .php extension. Then you can use the include function to include the php file.