json.php

<?php
    // php json.php
    $json = array(
        "key1" => "value1",
        "key2" => "value2",
        "key3" => array(
            "key4" => array(
                "param1", "param2", "param3",
                "param4", "param5", "param6"
            )
        )
    );

    echo json_encode($json) . "\n";