@ 2013-10-25T11:59:02Z <?php
// attiveremo la nostra gestione degli errori
error_reporting();
// 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 0.009 0.050 12.43 5.4.20 0.014 0.065 12.41 5.4.19 0.025 0.084 12.41 5.4.18 0.014 0.050 12.41 5.4.17 0.015 0.079 12.42 5.4.16 0.023 0.068 12.41 5.4.15 0.022 0.068 12.41 5.4.14 0.020 0.054 12.10 5.4.13 0.014 0.047 12.08 5.4.12 0.013 0.043 12.05 5.4.11 0.021 0.060 12.04 5.4.10 0.013 0.042 12.04 5.4.9 0.015 0.047 12.04 5.4.8 0.062 0.045 12.04 5.4.7 0.012 0.047 12.04 5.4.6 0.016 0.057 12.04 5.4.5 0.020 0.069 12.04 5.4.4 0.021 0.068 12.03 5.4.3 0.026 0.065 12.02 5.4.2 0.024 0.066 12.02 5.4.1 0.021 0.071 12.02 5.4.0 0.029 0.076 11.52 5.3.27 0.013 0.045 12.72 5.3.26 0.028 0.071 12.72 5.3.25 0.034 0.077 12.72 5.3.24 0.034 0.079 12.72 5.3.23 0.045 0.096 12.71 5.3.22 0.024 0.085 12.69 5.3.21 0.020 0.077 12.69 5.3.20 0.021 0.068 12.68 5.3.19 0.013 0.048 12.68 5.3.18 0.015 0.061 12.68 5.3.17 0.023 0.068 12.68 5.3.16 0.016 0.045 12.68 5.3.15 0.013 0.047 12.68 5.3.14 0.026 0.064 12.67 5.3.13 0.027 0.066 12.66 5.3.12 0.021 0.072 12.66 5.3.11 0.026 0.065 12.66 5.3.10 0.021 0.070 12.15 5.3.9 0.012 0.047 12.13 5.3.8 0.023 0.067 12.11 5.3.7 0.022 0.067 12.12 5.3.6 0.022 0.067 12.10 5.3.5 0.018 0.055 12.05 5.3.4 0.020 0.070 12.05 5.3.3 0.016 0.040 12.01 5.3.2 0.022 0.066 11.79 5.3.1 0.017 0.071 11.76 5.3.0 0.021 0.067 11.74
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142.4 ms | 1386 KiB | 7 Q