Syntax error when accessing an array [closed] - php

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I have a problem. I've created a class 'Game', and in this class I have an array named 'ShadowField'. This Field contains objects ('Fields'):
class Game extends Gameboard
{
public $ShadowField = array();
public $GameField = array();
public $Home = array();
function __construct($c,$h,$w,$m,$fc){
parent::__construct($c,$h,$w);
$counter = 1;
for($index_h=0; $index_h<11; $index_h++){
for($index_w=0; $index_w<11; $index_w++){
array_push($this->ShadowField, new Field(parent::$this, $m, "FF8000", ($h/11.1)*$index_h, ($w/11.15)*$index_w, true, $counter, $index_h, $index_w));
$counter++;
}
}
$PlayerRed = new PlayerHome($this, $m, "FF0000", 0);
}
}
Then, in my next class, I tried to use this array, but then I got an error:
for($i=0;$i<4;$i++){
parent::__construct($game,$m,$c,$game->ShadowField[$FieldID[$i]]->Top,ShadowField[$FieldID[$i]]->Left);
}
Error:
Parse error: syntax error, unexpected '[' in C:\XAMPP\xampp\htdocs\ot\madn\Game.class.php on line 63
I don't understand it because it's an array, and I am calling it like an array, so what is the problem?
The "FieldID" is an array, too:
class PlayerHome extends Field
{
public $Color;
public $Player;
public $FieldID = array();
function __construct(Game $game, $m, $c, $p){
switch($p){
case 0: array_push($FieldID,1,2,12,13);
case 1: array_push($FieldID,10,11,21,22);
case 2: array_push($FieldID,100,101,111,112);
case 3: array_push($FieldID,109,110,120,121);
default:echo "Player_$p existiert nicht, bitte eine SpielerID zwischen 0-3 wählen.";
}
for($i=0;$i<4;$i++){
parent::__construct($game,$m,$c,$game->ShadowField[$FieldID[$i]]->Top,ShadowField[$FieldID[$i]]->Left);
}
}
}
(p.s.: Sorry for bad english)

Answer 1

You use it correctly the first time:
$game->ShadowField[$FieldID[$i]]->Top
However the second time you call ShadowField by itself without referencing the object:
ShadowField[$FieldID[$i]]->Left
Replace the line in the loop with this (formatted for visibility):
parent::__construct($game,
$m,
$c,
$game->ShadowField[$FieldID[$i]]->Top,
$game->ShadowField[$FieldID[$i]]->Left);