prevent sql injection in php 3f

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María Paula
22 Feb 2016
1//Connect
2$unsafe_variable = $_POST["user-input"];
3$safe_variable = mysql_real_escape_string($unsafe_variable);
4
5mysql_query("INSERT INTO table (column) VALUES ('" . $safe_variable . "')");
6//Disconnect
source
Greta
16 Jan 2017
1$str = "<script>alert('Hacked')</script>";
2echo htmlentities($str);
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