1. Go to this page and download the library: Download macocci7/php-combination library. Choose the download type require.
2. Extract the ZIP file and open the index.php.
3. Add this code to the index.php.
<?php
require_once('vendor/autoload.php');
/* Start to develop here. Best regards https://php-download.com/ */
ci7\PhpCombination\Combination;
// Create an Instance
$c = new Combination();
// All Items
$items = ['A', 'B', 'C', 'D', 'E', ];
echo sprintf("All Items:\n\t(%s)\n\n", implode(", ", $items));
// Call back
$f = function (array $array): string {
return sprintf("(%s)", implode(', ', $array));
};
// All Combinations
echo sprintf(
"All Combinations:\n\t%s\n\n",
implode("\n\t", array_map($f, $c->all($items)))
);
// All Pairs
echo sprintf(
"All Pairs:\n\t%s\n\n",
implode("\n\t", array_map($f, $c->pairs($items)))
);
// All Combinations of $n elements
$n = 3;
echo sprintf(
"All Combinations of %d elements:\n\t%s\n\n",
$n,
implode("\n\t", array_map($f, $c->ofN($items, $n)))
);
// All Combinations of $a to $b elements
$a = 3;
$b = 4;
echo sprintf(
"All Combinations of %d to %d elements:\n\t%s\n\n",
$a,
$b,
implode("\n\t", array_map($f, $c->ofA2B($items, $a, $b)))
);
// All Combinations of $a1, $a2 and $a3
$a1 = ['A1', 'A2', ];
$a2 = ['B1', 'B2', 'B3', ];
$a3 = ['C1', 'C2', 'C3', 'C4', ];
echo "All Combinations of multiple arrays:\n";
echo sprintf("\tArray1: (%s)\n", implode(', ', $a1));
echo sprintf("\tArray2: (%s)\n", implode(', ', $a2));
echo sprintf("\tArray3: (%s)\n", implode(', ', $a3));
$r = $c->fromArrays([$a1, $a2, $a3, ]);
$count = count($a1) * count($a2) * count($a3);
$n = strlen((string) $count);
echo sprintf("\tThere're %d patterns:\n", $count);
foreach ($r as $i => $e) {
echo sprintf("\t%" . $n . "d: (%s)\n", $i + 1, implode(', ', $e));
}
ci7\PhpCombination\Combination;
// Create an Instance
$c = new Combination();
// All Items
$items = ['A', 'B', 'C', 'D', 'E', ];
echo sprintf("All Items:\n\t(%s)\n\n", implode(", ", $items));
// Set a flag to sort
$sort = true;
// Call back
$f = function (array $array): string {
return sprintf("(%s)", implode(', ', $array));
};
// All Combinations
echo sprintf(
"All Combinations:\n\t%s\n\n",
implode("\n\t", array_map($f, $c->all($items, $sort)))
);
// All Pairs: does not support sorting
echo sprintf(
"All Pairs:\n\t%s\n\n",
implode("\n\t", array_map($f, $c->pairs($items)))
);
// All Combinations of $n elements
$n = 3;
echo sprintf(
"All Combinations of %d elements:\n\t%s\n\n",
$n,
implode("\n\t", array_map($f, $c->ofN($items, $n, $sort)))
);
// All Combinations of $a to $b elements
$a = 3;
$b = 4;
echo sprintf(
"All Combinations of %d to %d elements:\n\t%s\n\n",
$a,
$b,
implode("\n\t", array_map($f, $c->ofA2B($items, $a, $b, $sort)))
);
// All Combinations of $a1, $a2 and $a3: does not support sorting
$a1 = ['A1', 'A2', ];
$a2 = ['B1', 'B2', 'B3', ];
$a3 = ['C1', 'C2', 'C3', 'C4', ];
echo "All Combinations of multiple arrays:\n";
echo sprintf("\tArray1: (%s)\n", implode(', ', $a1));
echo sprintf("\tArray2: (%s)\n", implode(', ', $a2));
echo sprintf("\tArray3: (%s)\n", implode(', ', $a3));
$r = $c->fromArrays([$a1, $a2, $a3, ]);
$count = count($a1) * count($a2) * count($a3);
$n = strlen((string) $count);
echo sprintf("\tThere're %d patterns:\n", $count);
foreach ($r as $i => $e) {
echo sprintf("\t%" . $n . "d: (%s)\n", $i + 1, implode(', ', $e));
}
ci7\PhpCombination\CombinationGenerator;
// Create an Instance
$c = new CombinationGenerator();
// All Items
$items = ['A', 'B', 'C', 'D', 'E', ];
echo sprintf("All Items:\n\t(%s)\n\n", implode(", ", $items));
// Common Format
$fmt = "\t(%s)\n";
// All Combinations
echo "All Combinations:\n";
foreach ($c->all($items) as $e) {
echo sprintf($fmt, implode(', ', $e));
}
echo "\n";
// All Pairs
echo "All Pairs:\n";
foreach ($c->pairs($items) as $e) {
echo sprintf($fmt, implode(', ', $e));
}
echo "\n";
// All Combinations of $n elements
$n = 3;
echo sprintf("All Combinations of %d elements:\n", $n);
foreach ($c->ofN($items, $n) as $e) {
echo sprintf($fmt, implode(', ', $e));
}
echo "\n";
// All Combinations of $a to $b elements
$a = 3;
$b = 4;
echo sprintf(
"All Combinations of %d to %d elements:\n",
$a,
$b,
);
foreach ($c->ofA2B($items, $a, $b) as $e) {
echo sprintf($fmt, implode(', ', $e));
}
echo "\n";
// All Combinations of $a1, $a2 and $a3
$a1 = [ 'A1', 'A2', ];
$a2 = [ 'B1', 'B2', 'B3', ];
$a3 = [ 'C1', 'C2', 'C3', 'C4', ];
echo "All Combinations of multiple arrays:\n";
echo sprintf("\tArray1: (%s)\n", implode(', ', $a1));
echo sprintf("\tArray2: (%s)\n", implode(', ', $a2));
echo sprintf("\tArray3: (%s)\n", implode(', ', $a3));
$r = $c->fromArrays([$a1, $a2, $a3, ]);
$count = count($a1) * count($a2) * count($a3);
$n = strlen((string) $count);
echo sprintf("\tThere're %d patterns:\n", $count);
foreach ($r as $i => $e) {
echo sprintf("\t%" . $n . "d: (%s)\n", $i + 1, implode(', ', $e));
}
namespace Macocci7\PhpCombination\Examples;
use Monolog\Level;
use Monolog\Logger;
use Monolog\Handler\StreamHandler;
class UseInPhpUnit
{
private Logger $log;
public function __construct()
{
$this->log = new Logger('UseInPhpUnit');
$this->log->pushHandler(
new StreamHandler(__DIR__ . '/UseInPhpUnit.log', Level::Debug)
);
}
public function order(
int $productId,
string $size,
string $color,
int $amount
) {
$this->log->info('Adding a new order', [
'productId' => $productId,
'size' => $size,
'color' => $color,
'amount' => $amount,
]);
return true;
}
}
declare(strict_types=1);
namespace Macocci7\PhpCombination;
ributes\DataProvider;
use PHPUnit\Framework\TestCase;
use Macocci7\PhpCombination\Examples\UseInPhpUnit;
use Macocci7\PhpCombination\Combination;
final class UseInPhpUnitTest extends TestCase
{
public static function provide_order_can_order_correctly(): array
{
$products = [ 1101, 1102, ];
$sizes = [ 'S', 'M', 'L', ];
$colors = [ 'White', 'Black', ];
$amount = [ 1, 2, ];
$c = new Combination();
$data = [];
foreach (
$c->fromArrays([$products, $sizes, $colors, $amount]) as $e
) {
$data[implode(', ', $e)] = $e;
}
return $data;
}
/**
* PHPDoc for PHPUnit 9.x
* @dataProvider provide_order_can_order_correctly
*/
// Attribute for PHPUnit 10.x or later
#[DataProvider('provide_order_can_order_correctly')]
public function test_order_can_order_correctly(
int $productId,
string $size,
string $color,
int $amount
): void {
$u = new UseInPhpUnit();
$this->assertTrue($u->order(
$productId,
$size,
$color,
$amount
));
}
}
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