What is wrong with this query: "SELECT * FROM table WHERE id = $_POST[ 'id' ]"?
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The use of table keyword it displays error when we execute the query SELECT * FROM table WHERE id = $_POST[ 'id' ]'?
Never use user input directly in queries.
This works:
$_POST['id'] = 27;
$sql = 'SELECT * FROM table WHERE id = $_POST[ 'id' ]'; echo $sql;
l = 'SELECT * FROM table WHERE id = $_POST[ 'id' ]';
echo $sql;