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: php array_udiff_uassoc 函数实例
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priv_member = $val; } static function comp_func_cr($a, $b) { if ($a->priv_member === $b->priv_member) return 0; return ($a->priv_member > $b->priv_member) ? 1 : -1; } static function comp_func_key($a, $b) { if ($a === $b) return 0; return ($a > $b) ? 1 : -1; } } $a = array( "0.1" => new cr(9) , "0.5" => new cr(12) , 0 => new cr(23) , 1 => new cr(4) , 2 => new cr(-15) , ); $b = array( "0.2" => new cr(9) , "0.5" => new cr(22) , 0 => new cr(3) , 1 => new cr(4) , 2 => new cr(-15) , ); $result = array_udiff_uassoc($a, $b, array( "cr", "comp_func_cr" ) , array( "cr", "comp_func_key" )); print_r($result); ?>
结果: