@ 2013-10-25T11:58:29Z <?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
$dt = date("Y-m-d H:i:s (T)");
// 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 $err;
// salva nell'errorlog e invia un e-mail se vi sono errori critici
// error_log($err, 3, "/usr/local/php4/error.log");
// // if ($errno == E_USER_ERROR) {
// mail("phpdev@example.com", "Critical User Error", $err);
// }
// }
function distance($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);
}
$old_error_handler = set_error_handler("userErrorHandler");
// variabile non definita, genera un warning
$t = I_AM_NOT_DEFINED;
// 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, $b) . "\n";
print_r($t1);
var_dump($t1);
print_r($t2);
var_dump($t2);
print_r($t3);
?>
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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 0.008 0.051 12.43 5.4.20 0.018 0.057 12.41 5.4.19 0.015 0.047 12.41 5.4.18 0.027 0.064 12.41 5.4.17 0.021 0.068 12.42 5.4.16 0.025 0.068 12.42 5.4.15 0.013 0.047 12.41 5.4.14 0.023 0.065 12.10 5.4.13 0.019 0.069 12.08 5.4.12 0.018 0.071 12.05 5.4.11 0.013 0.045 12.04 5.4.10 0.016 0.065 12.04 5.4.9 0.011 0.047 12.04 5.4.8 0.014 0.040 12.04 5.4.7 0.025 0.057 12.04 5.4.6 0.022 0.060 12.04 5.4.5 0.013 0.047 12.04 5.4.4 0.012 0.039 12.03 5.4.3 0.017 0.037 12.03 5.4.2 0.020 0.065 12.02 5.4.1 0.025 0.056 12.02 5.4.0 0.019 0.062 11.51 5.3.27 0.013 0.044 12.73 5.3.26 0.041 0.046 12.72 5.3.25 0.012 0.043 12.72 5.3.24 0.012 0.043 12.72 5.3.23 0.020 0.068 12.71 5.3.22 0.024 0.059 12.69 5.3.21 0.021 0.066 12.69 5.3.20 0.012 0.043 12.69 5.3.19 0.016 0.041 12.68 5.3.18 0.021 0.067 12.68 5.3.17 0.018 0.067 12.68 5.3.16 0.018 0.070 12.68 5.3.15 0.021 0.067 12.68 5.3.14 0.025 0.061 12.67 5.3.13 0.018 0.052 12.67 5.3.12 0.023 0.071 12.66 5.3.11 0.013 0.049 12.66 5.3.10 0.021 0.069 12.15 5.3.9 0.027 0.065 12.13 5.3.8 0.025 0.064 12.12 5.3.7 0.018 0.070 12.11 5.3.6 0.021 0.067 12.10 5.3.5 0.019 0.070 12.05 5.3.4 0.018 0.072 12.05 5.3.3 0.023 0.065 12.01 5.3.2 0.014 0.043 11.79 5.3.1 0.018 0.054 11.76 5.3.0 0.015 0.046 11.74
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140.45 ms | 1398 KiB | 7 Q