strtovariable：将字符串转换为变量

将字符串转换为变量 例子 <?php require_once './strtovar.php'; $myvar = new stdClass; $myvar->username = 'John'; $myvar->subvar = Array(Array('a','b','c'), Array(width=>100,height=>200)); $yourvar = Array(Array(w=>30,h=>50),'y','z'); $var1 = '$myvar->username'; $var2 = '$myvar->subvar[0][1]'; $var3 = '$myvar->subvar[1][width]'; $var4 = '$yourvar[0][w]'; echo strtovar($var1); //-> 'John' echo strtovar($var2);