我收到此错误消息：
注意：未定义的变量：第 126 行 /home/students/accounts///www/htdocs/jobassign1b/jobsprocess.php 中的 location1
错误信息，如果你看下面的 php 代码，它就在这一行
if (fwrite($jobTxt, $positionID . " " . $title . " " . $description . " " . $positionButton . " " . $contractButton . " " . $location1 . " " . $date . " " . $application . "\n"))
我已经为位置创建了一个选择字段，并且在 php 上，我需要验证并确保当用户提交表单时，数据会转到文件目录。
我真的被这个困住了，我已经尝试了一切。任何帮助将不胜感激。
这是选择字段的代码
<label for="location">Location:</label>
<select name="location" form="locationform">
<option value="---">---</option>
<option value="act">ACT</option>
<option value="nsw">NSW</option>
<option value="nt">NT</option>
<option value="qld">QLD</option>
<option value="sa">SA</option>
<option value="tas">TAS</option>
<option value="vic">VIC</option>
<option value="wa">WA</option>
</select>
这是 php 中位置部分的代码
<?php
//Opening, and creating a path for diretories to create
$newdir = "../../data/jobs2";
umask(0007);
$errors = array(); //sets an error array, this will append to an error string
$applicationArray = (isset($_POST['applicationby']) ? $_POST['applicationby'] : null);
if (isset($_POST["positionid"]))
{
$positionID = $_POST["positionid"];
$patternID = "/^P[0-9]{4}$/"; //This regex ensure that the first letter is start with P following number 0-9 in length of 4.
if (preg_match($patternID, $positionID)) //check if the statuscode is matches with the regex
{
$ans = "";
$length = strlen($positionID);
echo $positionID . "<br />";
}
}
else
{
array_push($errors, "Please fill in Position ID as they are mandatory field"); //To ensure and detect if there is any error
}
if (isset ($_POST["title"]))
{
$title = $_POST["title"];
$pattern = "/^[a-zA-Z\s\.,!]{0, 20}*$/"; //This regex ensure that alphanumeric character, space, comma, period, and exclamation mark, other symbols or characters are not allowed and maximum of 20 alphanumeric characters.
if (preg_match($pattern, $title)) //Check that the status if matches with the regex
{
echo $title . "<br />";
}
}
else
{
array_push($errors, "<b>Error:</b> Please fill in Status as they are mandatory field!");
}
if (isset ($_POST["description"]))
{
$description = $_POST["description"];
$patternDescription = "^[a-zA-Z0-9._ \t]{1,260}$"; //This regex ensure that the description is set to maximum character is up to 260
if (preg_match('/' . $patternDescription . '/', $description)) //Check that the description is matches with the regex
{
echo $description . "<br />";
}
}
else
{
array_push($errors, "<b>Error:</b> Please fill in Description as they are mandatory field!");
}
if (isset ($_POST["position"]))
{
$positionButton = $_POST["position"];
echo $positionButton . "<br />";
}
else
{
//Not possible unless in exceptional circumstances
array_push($errors, "Please choose the position");
}
if (isset ($_POST["contract"]))
{
$contractButton = $_POST["contract"];
echo $contractButton . "<br />";
}
else
{
//Not possible unless in exceptional circumstances
array_push($errors, "Please choose the contract");
}
if (isset($_POST['location']))
{
$location1 = $_POST['location'];
echo $location1 . "<br />";
}
else
{
array_push($errors, "please choose the location");
}
if (isset($_POST["date"]))
{
// writing the date format
$date = date("d/m/y");
echo $date . "<br />";
} else {
//$date = $_POST["date"];
}
if (isset($applicationArray))
{
//Display no "array" name, by creating a new variable name
foreach($applicationArray as $application)
{
echo $application . "<br />";
}
}
//check if file exist
if(!file_exists($newdir)){
//create a directory
mkdir($newdir, 02770);
}
$jobTxt = fopen($newdir. "/jobs2.txt", "a+");
// This is to ensure that the file is
if (is_writeable($newdir. "/jobs2.txt")) {
//write the following variable
if (fwrite($jobTxt, $positionID . " " . $title . " " . $description . " " . $positionButton . " " . $contractButton . " " . $location1 . " " . $date . " " . $application . "\n"))
{
}
echo "<p>Your form has succesfully been submit!</p>";
}
fclose($jobTxt);
if(isset($positionID, $title))
{
//Validation Check
//Check if characters length is less or more than 5 characters
if (0 === strlen($positionID > 5 || $positionID < 5))
{
array_push($errors, "<b>Error:</b> Your characters length is either less or more than 5 characters<br/>");
}
//Check if characters length is less or more than 20 characters
if (0 === strlen($title > 20))
{
array_push($errors, "<b>Error:</b> Your characters length is more than 20 characters, the maximum number is 20 alphanumeric characters!<br/>");
}
//Check if Position ID is left not blank
if (0 === preg_match("/\S+/", $positionID))
{
array_push($errors, "<b>Error:</b> You forgot to fill in the Position ID!<br />");
}
//Check if Title is left not blank
if (0 === preg_match("/\S+/", $title))
{
array_push($errors, "<b>Error:</b> You forgot to fill in the Title! <br />");
}
//Check if user made a mistake with typo
if (0 === preg_match($patternID, $positionID))
{
array_push($errors, "<b>Error:</b> please make sure that the first letter in Status Code is uppercase 'P' following by 4 numbers. <br />");
}
//Remind user to avoid the unnecessary symbol
if (0 === preg_match($pattern, $title))
{
array_push($errors, "<b>Error:</b> Please make sure to avoid symbols other than \",.!\" <br />");
}
}
if (isset($errors))
{
//Display no array name by changing the variable
foreach ($errors as $error)
{
echo '<strong>', $error, '</strong>';
}
}
//provide back to form page link
echo '<a href="jobpostform.php">Back to Form page.</a> <br />';
//provide back to home page link
echo '<a href="index.php">Back to Home page.</a>';
?>