Answers for "php open json file"

read json file data using php

$filedata = file_get_contents('filename.json');
$details = json_decode($filedata);
print_r($details);

php file get content json

$json = file_get_contents('php://input',true);
$post = json_decode($json,JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES);

php decode json file

$json = json_decode(file_get_contents('/path/to/your/file.json'));