hegland/combinatorics

Get array / write file / iterate through all combinations of passed characters with defined length.

dev-master 2016-11-06 18:07 UTC

Requires

• php: >=7.0

Requires (Dev)

• phpunit/phpunit: ~5.3.0

Apache License 2.0

• Roger Hegland

• combinatorics
• combination
• permutation
• variation

README

Get array / write file / iterate through all combinations of passed characters with defined length.

Permutation

With repetition

// coming soon

Without repetition

// coming soon

Variation

With repetition

// coming soon

Without repetition

// coming soon

Combination

With repetition

$combination = new Combination();
$combination->setCharacters('ab')->setSize(2);

$combinations = $combination->get();
// = $combinations = [ 'aa', 'ab', 'ba', 'bb' ]


$combinations = [];
while (( $combination = $combination->next() ) !== false) {
	$combinations[] = $combination;
}
// = $combinations = [ 'aa', 'ab', 'ba', 'bb' ]


$combination->write('combinations.txt', PHP_EOL);
/*
file "combinations.txt" with the following content:
aa
ab
ba
bb
*/

Without repetition

// coming soon