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PHP - Keeping A Value Stored In A Variable After Reloading The Class
Currently, I'm trying to write a contact form, and perhaps I'm overcomplicating it, but I have a public variable called $EquationAnswer that stores the answer to the Captcha method (randomised maths question) and whenever the page reloads, it creates a new instance of the Contact class, which then erases the value that has been stored in that variable.
What I'm trying to achieve is keeping the value stored even after a new instantiation of the class. I remember from a class at University that static was a way to do this, but this was in C#.
<?php
class Contact
{
public $EquationAnswer;
public function CaptchaCreation()
{
$SignArray = array('+', '×', '-');
$NumberOne = rand(1, 9);
$NumberTwo = rand(1, 4);
if($NumberOne < $NumberTwo)
$SignIndex = rand(0, 1);
else
$SignIndex = rand(0, 2);
$Sign = $SignArray[$SignIndex];
$EquationString = $NumberOne." ".$Sign." ".$NumberTwo;
switch($Sign)
{
case "+":
$Answer = $NumberOne + $NumberTwo;
break;
case "-":
$Answer = $NumberOne - $NumberTwo;
break;
case "×":
$Answer = $NumberOne * $NumberTwo;
break;
}
$this->EquationAnswer = $Answer;
return $EquationString;
}
public function EchoContactForm()
{
$CaptchaMessage = $this->CaptchaCreation();
echo "<form method='POST' action=''>\n\n";
echo "\t\t\t\t\t<table>\n\n";
echo "\t\t\t\t\t\t<tr><td>Name: </td><td><input type='text' name='name' /></td></tr>\n";
echo "\t\t\t\t\t\t<tr><td>Email: </td><td><input type='text' name='email' /></td></tr>\n";
echo "\t\t\t\t\t\t<tr><td>Subject: </td><td><input type='text' name='subject' /></td></tr>\n";
echo "\t\t\t\t\t\t<tr><td>Message: </td><td><textarea rows=5 name='message'></textarea></td></tr>\n";
echo "\t\t\t\t\t\t<tr><td>What is: ".$CaptchaMessage."?</td><td><input type='text' name='captcha' /></td><td></td></tr>\n";
echo "\t\t\t\t\t\t<tr><td colspan=2 style='text-align: right'><input type='submit' name='submit' value='Send' /></td></tr>\n\n";
echo "\t\t\t\t\t</table>\n\n";
echo "\t\t\t\t</form>\n";
}
public function ContactFormValidation($Name, $Email, $Subject, $Message, $CaptchaInput, $CaptchaAnswer)
{
echo $CaptchaAnswer;
$ErrorsArray = array();
if(strlen($Name) == 0)
array_push($ErrorsArray, "You must provide a name.");
if(strlen($Email) == 0)
array_push($ErrorsArray, "You must provide an email.");
if(strlen($Message) == 0)
array_push($ErrorsArray, "You must provide a message.");
if(strlen($CaptchaInput) == 0)
array_push($ErrorsArray, "You must provide an answer to the maths question.");
if($CaptchaInput != $CaptchaAnswer)
array_push($ErrorsArray, "Incorrect captcha answer.");
if(count($ErrorsArray) > 0)
{
echo "There are ".count($ErrorsArray)." Errors: <br />";
foreach($ErrorsArray as $E)
echo $E."<br />";
}
else
{
return true;
}
}
}
?>
^ That's the Contact class, and the main function that I want to focus on is the last one, "ContactFormValidation()".
From the contact form page (which is within a template), I want it to send the EquationAnswer variable to that function so that it can compare what the user has input.
<?php
//Instantiate the contact class
include './inc/PHP/classes/ContactClass.php';
$ContactClass = new Contact;
if(!isset($_POST['submit']))
{
$ContactClass->EchoContactForm();
}
else
{
$NameInput = $_POST['name'];
$EmailInput = $_POST['email'];
$SubjectInput = $_POST['subject'];
$MessageInput = $_POST['message'];
$CaptchaInput = $_POST['captcha'];
$CaptchaAnswer = $ContactClass->EquationAnswer;
//Tried echoing out what is in the variable but it produces nothing because the contact class is a new instance.
//echo $CaptchaAnswer;
if($ContactClass->ContactFormValidation($NameInput, $EmailInput, $SubjectInput, $MessageInput, $CaptchaInput, $CaptchaAnswer) == true)
{
//Mail function
}
}
?>
Any help would be appreciated.
Cheers.
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public function totalProcedures($friend_name,$session_id)
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try {
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can someone helpme how to get results. here is the storedprocedu DELIMITER $$ CREATE DEFINER=`root`@`localhost` PROCEDURE `timeline`(IN `friend` VARCHAR(255), IN `session_id` VARCHAR(255), OUT `updates` VARCHAR(62555), OUT `group_posts` VARCHAR(62555)) BEGIN select * FROM updates where author in (friend,session_id) order by time desc limit 5; select * FROM group_posts where author_gp in (friend,session_id) order by pdate desc limit 5; END$$ DELIMITER ; i get the result in php myadmin as follows:
how do i do this inside a php class function.
CALL timeline('shan2batman','aboutthecreator', @updates, @group_posts);
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