Read form .json with php

Question

I have some problems with how to read from external json file in php.

I tried this solution:

$data = json_decode(file_get_contents('/data/usersdata.json'),TRUE);
print_r ($data);

In the usersdata.json now is:

{"name":"admin","password":"admin","permission":"admin"}

My problem is, I can't see anything on the screen, I want to put data from my json file to an $data array, or something to be usable.

use `print_r($data)` and check, it is decode properly or not. — er.irfankhan11, Apr 30 '16 at 14:32
Assuming `/data/usersdata.json` exists, your code _should_ work. — John Weisz, Apr 30 '16 at 14:33
If it does exists, check the permissions. If you're running it from a web server, the user trying to access it might be `apache` or `nginx` or something. — toster-cx, Apr 30 '16 at 14:36
Try `data/usersdata.json` I think data is not your root directory. — Thamilhan, Apr 30 '16 at 14:36
Possible duplicate of [I can't read from .json file to append it](http://stackoverflow.com/questions/36953579/i-cant-read-from-json-file-to-append-it) — fusion3k, Apr 30 '16 at 14:36
You've already asked [this question](http://stackoverflow.com/questions/36953579/i-cant-read-from-json-file-to-append-it). You have to use absolute or relative path. “/data/usersdata.json” is invalid path for your OS. If you activate error reporting, you will see the error. — fusion3k, Apr 30 '16 at 14:41
Sorry, but no, that's an another thing, because here I want to read from json, and there I got an answer which use "file_put_contents" but that not make an valid json... and that's a different problem. At this problem, i don't see anything on the screen, and in the code of page the body is empty... — gabor aron, Apr 30 '16 at 14:48
It is the exact question, and the answer is the same. Activate error reporting (`error_reporting( E_ALL ); ini_set( 'display_errors', 1 );` at top of your script). You will se *PHP Warning: file_get_contents(/data/usersdata.json): failed to open stream: No such file or directory* — fusion3k, Apr 30 '16 at 14:57
Ok, but how can I concatenate these things, or how can I put in file to be an valid json after append? — gabor aron, Apr 30 '16 at 15:07

score 1 · Accepted Answer · edited May 23 '17 at 12:31

Tested on PHP 5.6 (MAMP)

I replicated your example and everything works as expected

try {
    $fileData = file_get_contents('src/data.json');
    $data = json_decode($fileData, true);

    print_r($data);
    
} catch(Exception $e) {
    echo $e->getMessage();
}

Output:

Array ( [name] => admin [password] => admin [permission] => admin )

Start using try/catch statements to catch any non-fatal errors
Make sure error_reporting is set to E_ALL
In development mode/stage avoid nesting functions as it makes debugging difficult and less readable. With few lines of code saving a line here and there will not impact your performance.

Read form .json with php

1 Answers1