this function is useful for code storage in the database text field for later calculation.
this kind of requirement is encountered in the current project. If you use eval, what checks are required to ensure maximum security?
$result = [];
$code_from_db = "return function($var1_in_code, $var2_in_code);";
foreach ($datas as $data) {
$var1_in_code = $data->d1;
$var2_in_code = $data->d2;
$result[] = eval($code_from_db);
}
return $result;puts forward the content of string, and then rewrites the manual calculation.
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