PHO j - プログラム倉庫

<?php
 
$x[1]=2;
$y[1]="anf";
 
$output = array();
$output[0]=array("a"=>$y[1],"b"=>$x[1]);
$output[1]=array("a"=>$y[1],"b"=>$x[1]);
$output[2]=array("a"=>$y[1],"b"=>$x[1]);
 
header( 'Content-Type: text/javascript; charset=utf-8' );
echo 'callback' . "(" . json_encode($output). ")";
 
?>