请问动态创建变量方法

请教动态创建变量方法

PHP code

Array(    [0] => 65    [1] => 66    [2] => 71    [3] => 73    [65] => Array        (            [$_65] => 0        )    [66] => Array        (            [$_66] => 0        )    [71] => Array        (            [$_71] => 0        )    [73] => Array        (            [$_73] => 1        ))

PHP code

Array(    [0] => 65    [1] => 66    [65] => Array        (            [$_65] => 0        )    [66] => Array        (            [$_66] => 0        ))

PHP code

$ar=Array (     '0' => 65 ,    '1' => 66 ,    '65' => Array ( '$_65' => 0 ) ,    '66' => Array ( '$_66' => 0 ) ) ;foreach($ar as $v){     if(is_array($v)){         foreach($v as $kl=>$vl) eval("$kl=$vl;");     } }var_dump($_65,$_66);  //int(0) int(0)