@ 2013-10-25T12:50:12Z <?php
// attiveremo la nostra gestione degli errori
error_reporting(0);
// funzione personalizzata di gestione dell'errore
function userErrorHandler($errno, $errmsg, $filename, $linenum, $vars)
{
// orario per la registrazione
// definisce una matrice associativa con i messaggi di errore
// in realtà i soli campi che saranno considerati sono
// E_WARNING, E_NOTICE, E_USER_ERROR,
// E_USER_WARNING and E_USER_NOTICE
$errortype = array (
E_ERROR => "Error",
E_WARNING => "Warning",
E_PARSE => "Parsing Error",
E_NOTICE => "Notice",
E_CORE_ERROR => "Core Error",
E_CORE_WARNING => "Core Warning",
E_COMPILE_ERROR => "Compile Error",
E_COMPILE_WARNING => "Compile Warning",
E_USER_ERROR => "User Error",
E_USER_WARNING => "User Warning",
E_USER_NOTICE => "User Notice",
E_STRICT => "Runtime Notice"
);
// indica gli errori per i quali fare salvare la trace delle variabili
$user_errors = array(E_USER_ERROR, E_USER_WARNING, E_USER_NOTICE);
$err = "<errorentry>\n";
$err .= "\t<datetime>" . $dt . "</datetime>\n";
$err .= "\t<errornum>" . $errno . "</errornum>\n";
$err .= "\t<errortype>" . $errortype[$errno] . "</errortype>\n";
$err .= "\t<errormsg>" . $errmsg . "</errormsg>\n";
$err .= "\t<scriptname>" . $filename . "</scriptname>\n";
$err .= "\t<scriptlinenum>" . $linenum . "</scriptlinenum>\n";
if (in_array($errno, $user_errors)) {
$err .= "\t<vartrace>" . wddx_serialize_value($vars, "Variables") . "</vartrace>\n";
}
$err .= "</errorentry>\n\n";
// for testing
// echo $err;
function distance($vect1, $vect2)
{
if (!is_array($vect1) || !is_array($vect2)) {
trigger_error("Incorrect parameters, arrays expected", E_USER_ERROR);
return NULL;
}
if (count($vect1) != count($vect2)) {
trigger_error("Vectors need to be of the same size", E_USER_ERROR);
return NULL;
}
for ($i=0; $i<count($vect1); $i++) {
$c1 = $vect1[$i]; $c2 = $vect2[$i];
$d = 0.0;
if (!is_numeric($c1)) {
trigger_error("Coordinate $i in vector 1 is not a number, using zero",
E_USER_WARNING);
$c1 = 0.0;
}
if (!is_numeric($c2)) {
trigger_error("Coordinate $i in vector 2 is not a number, using zero",
E_USER_WARNING);
$c2 = 0.0;
}
$d += $c2*$c2 - $c1*$c1;
return sqrt($d);
}
return sqrt($d);
}
$old_error_handler = set_error_handler("userErrorHandler");
// variabile non definita, genera un warning
// definisce dei vettori
$a = array(2, 3, "foo");
$b = array(5.5, 4.3, -1.6);
$c = array(1, -3);
// genera un errore utente
$t1 = distance($c, $b) . "\n";
// un'altro errore utente
$t2 = distance($b, "i am not an array") . "\n";
// genera un warning
$t3 = distance($a, $b) . "\n";
// genera un errore utente
var_dump(distance($c, $b));
// un'altro errore utente
var_dump(distance($b, "i am not an array") );
// genera un warning
var_dump(distance($a, $b));
?>
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Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).
Version System time (s) User time (s) Memory (MiB) 5.4.21 0.013 0.059 12.43 5.4.20 0.014 0.055 12.41 5.4.19 0.014 0.053 12.41 5.4.18 0.027 0.078 12.41 5.4.17 0.012 0.054 12.42 5.4.16 0.013 0.052 12.41 5.4.15 0.014 0.049 12.41 5.4.14 0.014 0.052 12.10 5.4.13 0.014 0.049 12.08 5.4.12 0.010 0.054 12.04 5.4.11 0.012 0.053 12.04 5.4.10 0.012 0.051 12.04 5.4.9 0.015 0.053 12.04 5.4.8 0.013 0.054 12.04 5.4.7 0.012 0.053 12.04 5.4.6 0.008 0.054 12.04 5.4.5 0.015 0.062 12.03 5.4.4 0.016 0.048 12.02 5.4.3 0.015 0.049 12.02 5.4.2 0.015 0.049 12.01 5.4.1 0.013 0.050 12.02 5.4.0 0.021 0.075 11.51 5.3.27 0.016 0.054 12.72 5.3.26 0.023 0.071 12.72 5.3.25 0.015 0.049 12.72 5.3.24 0.016 0.047 12.72 5.3.23 0.016 0.060 12.71 5.3.22 0.015 0.052 12.69 5.3.21 0.015 0.054 12.68 5.3.20 0.012 0.056 12.68 5.3.19 0.017 0.054 12.68 5.3.18 0.015 0.053 12.68 5.3.17 0.017 0.052 12.67 5.3.16 0.016 0.056 12.68 5.3.15 0.011 0.057 12.68 5.3.14 0.014 0.053 12.67 5.3.13 0.013 0.054 12.66 5.3.12 0.013 0.053 12.66 5.3.11 0.012 0.055 12.66 5.3.10 0.014 0.052 12.15 5.3.9 0.012 0.051 12.13 5.3.8 0.012 0.049 12.12 5.3.7 0.016 0.050 12.12 5.3.6 0.024 0.052 12.10 5.3.5 0.019 0.047 12.05 5.3.4 0.018 0.047 12.05 5.3.3 0.019 0.048 12.02 5.3.2 0.019 0.054 11.80 5.3.1 0.023 0.056 11.76 5.3.0 0.018 0.053 11.74
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135.57 ms | 1394 KiB | 7 Q