Perl

Append New Item to JSON Array

See more JSON Examples

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

use chilkat();

# 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 = chilkat::CkJsonObject->new();

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

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

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