<!--
$str=$_GET['str'];
if(!get_magic_quotes_gpc()){
$str=addslashes($str);
}
eval('$str="'.$str.'";');假设我们str=111
这段php代码中,eval部分是否表示为111=111
$str=$_GET['str'];
if(!get_magic_quotes_gpc()){
$str=addslashes($str);
}
eval('$str="'.$str.'";');假设我们str=111
这段php代码中,eval部分是否表示为111=111
相当于 $str = $str; 手册上有个例子$string = 'cup';
$name = 'coffee';
$str = 'This is a $string with my $name in it.';
echo $str. "\n";
eval("\$str = \"$str\";");
echo $str. "\n";
/*
This is a $string with my $name in it.
This is a cup with my coffee in it.
*/
表示为
$str=111;例如:$abc = 111;
eval('$str="'.$abc.'";');
echo $str; // 111