<?php
if (!extension_loaded('java')) {
if (!(require_once("http://127.0.0.1:8080/JavaBridge/java/Java.inc"))) {
echo "java extension not installed.";
exit(2);
}
}
$system = new java("java.lang.System");
$t1=$system->currentTimeMillis();
$here=getcwd();
// load scheme interpreter
// try to load local kawa.jar, otherwise load it from sf.net
try { java_require("$here/../../unsupported/kawa.jar"); } catch (JavaException $e) {
java_require("http://php-java-bridge.sourceforge.net/kawa.jar");
}
$s = new java("kawa.standard.Scheme");
for($i=0; $i<100; $i++) {
$res=java_cast($s->eval("
(letrec
((f (lambda(v)
(if
(= v 0)
1
(*
(f
(- v 1))
v)))))
(f $i))
"), "D");
if($ex=java_last_exception_get()) $res=$ex->toString();
java_last_exception_clear();
echo "fact($i) ==> $res\n";
}
$t2=$system->currentTimeMillis();
$delta=($t2-$t1)/1000.0;
$now=new java("java.sql.Timestamp",$system->currentTimeMillis());
echo "Evaluation took $delta s -- at: ".java_cast($now, "S") . "\n";
?>