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<?php
/*------------------------------*/
/*
Titre : Convertisseur de vitesses
Date édition : 15 Fev 2019
Date mise a jour : 27 Aout 2019
Rapport de la maj:
- fonctionnement du code vérifié
Date mise a jour : 11 Mars 2026
Rapport de la maj:
- amélioration du code
- refactoring du code en PHP 8
*/
/*------------------------------*/
// PHP 5, 7 et 8
function convert_speed($val , $type_val , $type_wanted){
$tab = array("mm/h" => 0.001/3600,
"mm/min" => 0.001/60,
"mm/s" => 0.001,
"cm/h" => 0.01/3600,
"cm/min" => 0.01/60,
"cm/s" => 0.01,
"m/h" => 1/3600,
"m/min" => 1/60,
"m/s" => 1,
"km/h" => 1000/3600,
"km/min" => 1000/60,
"km/s" => 1000,
"noeud" => 1852/3600,
"mach" => 331.622);
return ($val * $tab[$type_val] / $tab[$type_wanted]);
}
// PHP 7 et 8
function convert_speed(float $val, string $type_val, string $type_wanted): float
{
$tab = [
"mm/h" => 0.001 / 3600,
"mm/min" => 0.001 / 60,
"mm/s" => 0.001,
"cm/h" => 0.01 / 3600,
"cm/min" => 0.01 / 60,
"cm/s" => 0.01,
"m/h" => 1 / 3600,
"m/min" => 1 / 60,
"m/s" => 1,
"km/h" => 1000 / 3600,
"km/min" => 1000 / 60,
"km/s" => 1000,
"noeud" => 1852 / 3600,
"mach" => 331.622
];
if (!isset($tab[$type_val]) || !isset($tab[$type_wanted])) {
throw new InvalidArgumentException("Type de vitesse invalide.");
}
return ($val * $tab[$type_val]) / $tab[$type_wanted];
}
?>
<?php
/*------------------------------*/
/*
Titre : Convertisseur de vitesses
Date édition : 15 Fev 2019
Date mise a jour : 27 Aout 2019
Rapport de la maj:
- fonctionnement du code vérifié
Date mise a jour : 11 Mars 2026
Rapport de la maj:
- amélioration du code
- refactoring du code en PHP 8
*/
/*------------------------------*/
// PHP 5, 7 et 8
function convert_speed($val , $type_val , $type_wanted){
$tab = array("mm/h" => 0.001/3600,
"mm/min" => 0.001/60,
"mm/s" => 0.001,
"cm/h" => 0.01/3600,
"cm/min" => 0.01/60,
"cm/s" => 0.01,
"m/h" => 1/3600,
"m/min" => 1/60,
"m/s" => 1,
"km/h" => 1000/3600,
"km/min" => 1000/60,
"km/s" => 1000,
"noeud" => 1852/3600,
"mach" => 331.622);
return ($val * $tab[$type_val] / $tab[$type_wanted]);
}
// PHP 7 et 8
function convert_speed(float $val, string $type_val, string $type_wanted): float
{
$tab = [
"mm/h" => 0.001 / 3600,
"mm/min" => 0.001 / 60,
"mm/s" => 0.001,
"cm/h" => 0.01 / 3600,
"cm/min" => 0.01 / 60,
"cm/s" => 0.01,
"m/h" => 1 / 3600,
"m/min" => 1 / 60,
"m/s" => 1,
"km/h" => 1000 / 3600,
"km/min" => 1000 / 60,
"km/s" => 1000,
"noeud" => 1852 / 3600,
"mach" => 331.622
];
if (!isset($tab[$type_val]) || !isset($tab[$type_wanted])) {
throw new InvalidArgumentException("Type de vitesse invalide.");
}
return ($val * $tab[$type_val]) / $tab[$type_wanted];
}
?>
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