gistfile1.txt

<?php

    function arrays_equal($array1,$array2)
    {
        if (!is_array($array1)) {
            $array1 = array($array1);
        }
        if (!is_array($array2)) {
            $array2 = array($array2);
	}
	 
        return !array_diff($array1, $array2) && !array_diff($array2, $array1);
    }

print "TEST1: Array with duplicates\n";
$array1 = [1,1,2,3,4];
$array2 = [1,2,3,4];

$result=arrays_equal($array1, $array2);
print var_dump($result) . "\n";

print "TEST2: Array with changed order\n";
$array1 = [1,2,4,3];
$array2 = [1,2,3,4];

$result=arrays_equal($array1, $array2);
print var_dump($result) . "\n";

print "TEST3: Different arrays\n";
$array1 = [1,2,3,4];
$array2 = [1,2,3,5];

$result=arrays_equal($array1, $array2);
print var_dump($result) . "\n";

print "TEST4: Pusta tablica1\n";
$array1 = [];
$array2 = [1,2,3,5];

$result=arrays_equal($array1, $array2);
print var_dump($result) . "\n";

print "TEST5: Pusta tablica2\n";
$array1 = [1,2,3,5];
$array2 = [];

$result=arrays_equal($array1, $array2);
print var_dump($result) . "\n";

print "TEST6: null tablica1\n";
$array1 = null;
$array2 = [1,2,3,5];

$result=arrays_equal($array1, $array2);
print var_dump($result) . "\n";

print "TEST7: null tablica2\n";
$array1 = [1,2,3,5];
$array2 = null;

$result=arrays_equal($array1, $array2);
print var_dump($result) . "\n";

print "TEST8: null obie tablice\n";
$array1 = null;
$array2 = null;

$result=arrays_equal($array1, $array2);
print var_dump($result) . "\n";


?>