<?php
/**
* function to return and update dynamic checkBoxValue
* @return html checkbox string
*/
function getCheckBox(){
$file = 'checkboxValue.txt';
if (file_exists($file)){
$contents = file($file);
//we're only interested in the first line
list($date, $value) = explode ('~~', $contents[0]);
if ( strtotime('-1 week') > $date){ //check if value more than a week old
$value++; //increment value
file_put_contents($file, time() . '~~' . $value);
}
} else {
$value = 0; //start the ball rolling
file_put_contents($file, time() . '~~' . $value);
}
return <<<HTML
<input type="checkbox" name="checkbBoxName" value="$value" /> $value
HTML;
}
?>
