get [type, color] from choosen algebraic square, example: $chess->get('e4');
example:
<?php
use \Ryanhs\Chess\Chess;
$chess = new Chess();
echo 'FEN => ' . $chess->generateFen() . PHP_EOL;
var_dump($chess->get('e4'), $chess->get('e1'), $chess->get('d8'));
will return
FEN => rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1
NULL
array(2) {
["type"]=>
string(1) "k"
["color"]=>
string(1) "w"
}
array(2) {
["type"]=>
string(1) "q"
["color"]=>
string(1) "b"
}