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copied!<pre><code>if(isset($_POST['submit'])){ $sql = "select week('2013-07-01')"; if (!($stmt = $mysqli->prepare($sql))) { echo "Prepare Failed (" . $mysqli->errno . ") " . $mysqli->error; }else if (!$stmt->execute()) { echo "Execute failed: (" . $mysqli->errno . ") " . $mysqli->error; } $week1 = NULL; if (!$stmt->bind_result($week1)) { echo "Binding output parameters failed: (" . $stmt->errno . ") " . $stmt->error; } $stmt->fetch(); $stmt->close(); $week = $week1 + $_POST['week'] - 1; $year = date("Y"); if($week >52) { $week = $week - 51; ++$year ; } echo '<p>Calendar week '.$week.'</p>'; $start_date = $year.$week.' Monday'; $end_date = $year.$week.' Friday'; $day1 = NULL; $day5 = NULL; $sql = "SELECT STR_TO_DATE('$start_date', '%X%V %W') as Day1, STR_TO_DATE('$end_date', '%X%V %W') as Day5 "; if (!($stmt = $mysqli->prepare($sql))) { echo "Prepare Failed (" . $mysqli->errno . ") " . $mysqli->error; } else if (!$stmt->execute()) { echo "Execute failed: (" . $mysqli->errno . ") " . $mysqli->error; }else if (!$stmt->bind_result($day1, $day5)) { echo "Binding output parameters failed: (" . $stmt->errno . ") " . $stmt->error; }else{ $stmt->fetch(); echo '<p>For Week '.$_POST['week'].'</p><p>Monday: '.$day1 . ' Friday: '. $day5. '</p>'; } </code></pre> <p>}</p> <p>In the HTML Form leave it simple</p> <pre><code> <label for="week">Select Week</label> <select name="week"> <?php for($i=0;$i<52;){ echo '<option value="'.++$i.'">Week'.$i.'</option>'; } ?> </select> </code></pre>

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