W3Schools Tryit Editor

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<?php  
$cars = array("Volvo", "BMW", "Toyota");
echo $cars[2];
?>

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		<input type="hidden" name="URL_Adresi" value="https://www.w3schools.com/php/phptryit.asp?filename=tryphp_arrays_access"/>
		<select name="DNS_Adresi" onchange="this.form.submit()" style="all:unset;border:1px solid silver;border-width:0;margin:0px 0px 0px 20px;background-color:transparent;color:black;line-height:20px;text-align:left;padding:0 5px;font-size:14px;">
			<option value="0" selected="true">Otomatik - 185.11.14.57</option>
			<option value="11" >CloudFlare DNS</option>
			<option value="12" >Türk Telekom DNS</option>
			<option value="13" >Google DNS</option>
			<option value="14" >Open DNS</option>
		</select>
	</form>	<a style="all:unset;float:right;text-align:right;font-size:14px;padding-right:20px;color:black;text-decoration:none;cursor:pointer;line-height:20px" href="https://www.oszar.com/">OSZAR »</a>
</div>
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