php stores a piece of data in an txt file and displays its contents

The data here can be basic data types, arrays, objects, etc.

serialize can be used for serialization when storing, but unserialize should be used for deserialization when fetching.

<?php
  $data = array(" Shanghai "," Xi'an "," Beijing ");

  // Saves the array to the specified text In a file 
  file_put_contents("E:/data.txt",serialize($data));
  // Get data 
  $datas = unserialize(file_get_contents("E:/data.txt"));
  print_r($datas);
?>

Of course, you can also use json_encode, where arrays can be accessed as key-value pairs and escaped with json_decode.

<?php
  $data = array(" Modern "=>" Shanghai "," Culture "=>" Xi'an "," Capital "=>" Beijing ");

  // Saves the array to the specified text In a file 
  file_put_contents("E:/data.txt",json_encode($data));
  // Get data 
  $datas = json_decode(file_get_contents("E:/data.txt"));
  print_r($datas);
?>