for ($i = 0; $i < count($jobs); $i++) {
if (isset($_POST["job{$i}"])) {
if ($isLogined === "false") {
break;
}
$file_pointer = openFile("usr_cart/usr_{$usn}.txt", 'a+');
if (isJobExisted($file_pointer, $jobs[$i])) {
print "<p>The job has already existed.</p>";
} else {
$file_pointer = openFile("usr_cart/usr_{$usn}.txt", 'a+');
$line = implode("\t", $jobs[$i]);
$line = "\n" . $line;
writeFileAtEnd($file_pointer, $line);
}
$file_pointer = openFile("usr_cart/usr_{$usn}.txt", 'r');
$lines = readFileFromData($file_pointer);
drawTableWithoutAdd($lines);
break;
}
}
if ($isLogined === "true") {
echo "<script> document.getElementById('welcome').innerHTML = 'Welcome, {$usn}'; </script>";
} else {
echo "<script> document.getElementById('welcome').innerHTML = 'You are currently a guest. Please login or register ASAP.'; </script>";
}
//print("<p>No Login</p>");
?>
</tbody>
</table>
</span><br><br>
<br>
<button type="submit" name="search" value="search" style="margin-left:372px; width:100px">
<span style="font:status-bar; font-size:20px">Search</span>
</button>
</div>
</form>
<?php
if (isset($_POST["search"])) {
if ($_POST["jobName"] != "" || $_POST["jobID"] != "" || $_POST["location"] != "") {
/* open file to search */
$file_pointer = openFile("data.txt", "r");
/* read info */
$jobs = readFileFromData($file_pointer);
/* initialize search requirements */
$jobName = $_POST["jobName"] != "" ? $_POST["jobName"] : "";
$jobID = $_POST["jobID"] != "" ? $_POST["jobID"] : "";
$location = $_POST["location"] != "" ? $_POST["location"] : "";
$jobName = htmlentities($jobName);
$jobID = htmlentities($jobID);
$jobID = str_pad($jobID, 6, '0', STR_PAD_LEFT);
$location = htmlentities($location);
if (!is_string($jobName) || !preg_match("/[0-9]*/", $jobID) || strlen($jobID) > 6 || !is_string($location)) {
print "<p>Invalid input!</p>";
exit;
}
if ($jobName != "" && strlen($jobName) > 15) {
print "<p>Invalid input!</p>";
exit;