PHP5.3.0の仕様?
<?php Class Hoge { const A = 1; const B = 1; public static $piyo = array( 1 => 1, 1 => 2, ); public static $fuga = array( self::A => 1, self::B => 2, ); } var_dump(Hoge::$piyo, Hoge::$fuga); ?>
結果
array(1) { [1]=> int(2) } array(1) { [1]=> int(1) }