Post variables are those which are created when a form is submitted. Typically, they have a name and a value. When the form is submitted, the names of each $_POST name is stored into an array or $_POST variables. The example demonstrates how the the three post variables $_POST[‘submit’], $_POST[‘myname’] and $_POST[‘req’] are stored and output.
<?php foreach($_POST as $key => $value){ echo $key."-".$value."<br/>"; } echo "<hr>"; if($_POST['req'] == 'myrequest'){ echo "Here is the value of the post variable: ".$_POST['req']."<br/>"; } if($_POST['myname'] == true){ echo "Here is the value of the post variable: ".$_POST['myname']."<br/>"; } ?> <br/> <form method ="post" action="<?php echo $_SERVER['PHP_SELF'];?> " > <input type="text" name = "myname" value = "Johnny" /> <input type="hidden" name = "req" value = "myrequest" /> <input type = "submit" name ="submit" value = "submit" /> </form>
© 2018 ALL Rights Reserved | Sitemap
Vancouver | North Vancouver | Burnaby | Richmond | Coquitlam | Port Coquitlam | Surrey | Langley | Maple Ridge | Mission | Abbotsford | Kamloops | Kelowna | Victoria | Squamish | Whistler | Pemberton