ok i did more tests..

getting the source
https://github.com/ianbarber/php-svm/blob/master/tests/002_predict.phpt  modified ..
<?php
$svm = new svmmodel();
//$result = $svm->load(dirname(__FILE__) . '/australian.model');
$result = $svm->load('australian.model');

if($result) {
    $data = array(
        "1" => 1,
        2 => -0.731729,
        3 => -0.886786,
        4 => -1,
        5 => 0.230769,
        "6" => -0.25,
        7 => -0.783509,
        8 => 1,
        9 => 1, 
        10 => "-0.820896",
        11 => -1, 
        13 => -0.92,
        "14" => "-1"
    );
    $result = $svm->predict($data);
    if($result > 0) {
        echo "ok";
        print_r($result);
    } else {
        echo "predict failed: $result";
    }
} else {
    echo "loading failed";
}
?>

with additional https://github.com/ianbarber/php-svm/blob/master/tests/australian.scale dropped inside the test folder where .php file is located i am able after running to get the result:
================================

ok1  

so it's work