Tic-Tac-Toe Checker

TicTacToeChecker.php

<?php


$arr = array(
    array( 1, 0, 0 ),
    array( 2, 0, 0 ),
    array( 1, 0, 0 ),
);

function is_solved( $arr ) {

    for ( $i = 0; $i < 3; $i ++ ) {
        if ( $arr[ 0 ][ $i ] == $arr[ 1 ][ $i ] && $arr[ 0 ][ $i ] == $arr[ 2 ][ $i ] && $arr[ 0 ][ $i ] != 0 ) {
            return $arr[ 0 ][ $i ];
        }

        if ( $arr[ $i ][ 0 ] == $arr[ $i ][ 1 ] && $arr[ $i ][ 0 ] == $arr[ $i ][ 2 ] && $arr[ $i ][ 0 ] != 0 ) {
            return $arr[ $i ][ 0 ];
        }
    }

    if ( $arr[ 0 ][ 0 ] == $arr[ 1 ][ 1 ] && $arr[ 0 ][ 0 ] == $arr[ 2 ][ 2 ] && $arr[ 0 ][ 0 ] != 0 ) {
        return $arr[ 0 ][ 0 ];
    }

    if ( $arr[ 0 ][ 2 ] == $arr[ 1 ][ 1 ] && $arr[ 0 ][ 2 ] == $arr[ 2 ][ 0 ] && $arr[ 0 ][ 2 ] != 0 ) {
        return $arr[ 0 ][ 2 ];
    }

    return - 1;
}

$res = is_solved( $arr );

highlight_string( "<?php\n\$data =\n" . var_export( $res, TRUE ) . ";\n?>" );