Get variables are variables which are passed into a url. The url will have a name and a value. With this simple example, the link is get.php?variable=5. The key is variable and the value is 5. In simplicity, $_GET[‘variable’] = 5.
<?php foreach($_GET as $key => $value){ echo $key."-".$value."<br/>"; } if($_GET['variable'] == '5'){ echo "Here is the value of the get variable: ".$_GET['variable']."<br/>"; } ?> <br/> <a href="get.php?variable=5">Get Variable</a>
This example shows more two get variables in a url. The second variable is separated with the ‘&’ sign. If a third variable is added, it would be separated with a ‘&’ sign too.
<?php foreach($_GET as $key => $value){ echo $key."-".$value."<br/>"; } if($_GET['variable'] == '5'){ echo "Here is the value of the get variable: ".$_GET['variable']."<br/>"; } if($_GET['secondvariable'] == true){ echo "Here is the value of the second get variable: ".$_GET['secondvariable']."<br/>"; } ?> <br/> <a href="get2.php?variable=5&secondvariable=6">Get Two Variables</a>
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