<?php

    function greet($name, $owner) {
        return $name == $owner ? "Hello boss" : "Hello ${name}";
    }

    function isOrdered($a,$b,$c) {
        return ( ( $a < $b && $b < $c ) || ( $a > $b && $b > $c ) );
    }

    function getDay($day) {

        $dayF = --$day;

        $days = [
            "Lundi",
            "Mardi",
            "Mercredi",
            "Jeudi",
            "Vendredi",
            "Samedi",
            "Dimanche"
        ];

        return isset( $days[$dayF] ) ? $days[$dayF] : "Ce jour n'existe pas";

    }

    function getSeason($month) {

        if ( $month > 12 || $month < 1 )
            die ("This month doesnt exist");

        switch(true) {

            case $month:
                echo "Winter";
                break;
            case 4:
            case 5:
            case 6:
                echo "Printemps";
                break;
            case 7:
            case 8:
            case 9:
                echo "Ete";
                break;
            case 10:
            case 11:
            case 12:
                echo "Automne";
                break;

        }

    }

    //echo greet("robin", "robin");
    //var_dump( isOrdered(3, 6, 1) );
    //echo getDay(1);
    //getSeason( 0 );