(PHP Extension) Append New Item to JSON Array

Demonstrates the notations that can be used in a JSON array index to append to the end of an array.

Chilkat PHP Downloads PHP Extension for Windows, Linux, MacOS, Alpine Linux, Solaris

<?php

// The version number (9_5_0) should match version of the Chilkat extension used, omitting the micro-version number.
// For example, if using Chilkat v9.5.0.48, then include as shown here:
include("chilkat_9_5_0.php");

// Starting in Chilkat v9.5.0.77, the following notations are possible to specify that the value
// should be appended to the end of the array. (In other words, if the array currenty has N elements, then "-1", "", or "*" 
// indicate an index of N+1.

$json = new CkJsonObject();

$json->UpdateInt('lanes[-1]',0);
$json->UpdateInt('lanes[]',1);
$json->UpdateInt('lanes[*]',2);
$json->UpdateInt('lanes[-1]',3);

print $json->emit() . "\n";

// Output is:  {"lanes":[0,1,2,3]}

?>