PHP - file_put_contents example

file_put_contents writes data to the file. The data to write can be either a string, an array or a stream resource

Example 1

    
    $array = [1, 2, 3];
    file_put_contents('file.txt', $array);
    //If file.txt doesn't exist, it will be created.
    //file.txt content will be "123"
    

Example 2

    
    file_put_contents('file.txt', 'a');
    //file.txt content will be "a"
    
    file_put_contents('file.txt', 'b');
    //Deletes the existing content of the file. file.txt content will be "b"
    
    file_put_contents('file.txt', 'c', FILE_APPEND);
    //FILE_APPEND - avoid deleting the existing content of the file
    //file.txt content will be "bc"