Custom Coded Instagram API [PHP]

<title>Instagram API</title>

<pre>

+------------------------------------+
+ Open Source.                       +
+------------------------------------+
+ Public Access Token: <b>s37gViTXrc</b>    +
+------------------------------------+
+ Guide                              +
+------------------------------------+
+ <b>Bold</b> = Input a picture by the user +
+ <i>Italic</i> = Input username only       +
+------------------------------------+
+ Functions:                         +
+ &bull; <b>userid</b>                           +
+ &bull; <b>username</b>                         +
+ &bull; <b>media_id</b>                         +
+ &bull; <b>thumbnail</b>                        +
+ &bull; <b>java</b>                             +
+------------------------------------+
+ &bull; <i>username</i>                         +
+ &bull; <i>bio</i>                              +
+ &bull; <i>profile_picture</i>                  +
+------------------------------------+
+ ?<b>access_token</b>&<b>function</b>=&<b>input</b>=     +
+------------------------------------+
</pre>

<?php
//Don't Touch
error_reporting(0);
$access_token = $_GET['access_token']; //API Key
$function     = $_GET['function']; //Function(s)
$input        = $_GET['input']; //Input

//Checks to see if access token is blank
if ($access_token == null) {
    echo '<b>You must enter your access token</b>';
    die();
}

//Checks to see if access token matches
if ($access_token == "s37gViTXrc") {
	if($function == null)
	{
		echo '<b>You must enter a function</b>';
		die();
	}
    if ($function == "userid") {
        $content = file_get_contents($input);
        if ($input == null) {
            echo '<b>No input</b>';
        } else {
            $first_step  = explode('<meta property="instapp:owner_user_id" content="', $content);
            $second_step = explode('"', $first_step[1]);
            echo $second_step[0];
        }
    }

	//Username
    if ($function == "username") {
        $content = file_get_contents($input);
        if ($input == null) {
            echo '<b>No input</b>';
        } else {
            $first_step  = explode('<meta content="See this Instagram photo by ', $content);
            $second_step = explode(' •', $first_step[1]);
            echo $second_step[0];
        }
    }

	//Media ID
    if ($function == "media_id") {
        $content = file_get_contents($input);
        if ($input == null) {
            echo '<b>No input</b>';
        } else {
            $first_step  = explode('<meta property="al:ios:url" content="instagram://media?id=', $content);
            $second_step = explode('"', $first_step[1]);
            echo $second_step[0];

            echo '_';

            $first_step  = explode('<meta property="instapp:owner_user_id" content="', $content);
            $second_step = explode('"', $first_step[1]);
            echo $second_step[0];
        }
    }

	//Thumbnail
    if ($function == "thumbnail") {
        $content = file_get_contents($input);
        if ($input == null) {
            echo '<b>No input</b>';
        } else {
            $first_step  = explode('<meta property="og:image" content="', $content);
            $second_step = explode('"', $first_step[1]);
            echo $second_step[0];
        }
    }

	//Java
    if ($function == "java") {
        $content = file_get_contents($input);
        if ($input == null) {
            echo '<b>No input</b>';
        } else {
            $first_step  = explode('<script type="text/javascript">window._sharedData =', $content);
            $second_step = explode('<', $first_step[1]);
            echo $second_step[0];
        }
    }

	//Name
    if ($function == "name") {
        $content = file_get_contents($input);
        if ($input == null) {
            echo '<b>No input</b>';
        } else {
            $first_step  = explode('<meta property="og:title" content="', $content);
            $second_step = explode('(', $first_step[1]);
            echo $second_step[0];
        }
    }

	//Bio
    if ($function == "bio") {
        $content = file_get_contents($input);
        if ($input == null) {
            echo '<b>No input</b>';
        } else {
            $first_step  = explode('<meta property="og:description" content="', $content);
            $second_step = explode('"', $first_step[1]);
            echo $second_step[0];
        }
    }

	//Profile Pic
    if ($function == "profile_pic") {
        $content = file_get_contents($input);
        if ($input == null) {
            echo '<b>No input</b>';
        } else {
            $first_step  = explode('<meta property="og:image" content="', $content);
            $second_step = explode('"', $first_step[1]);
            echo $second_step[0];
        }
    }



} else {
    echo '<b>Invalid Access Token</b>';
}

?>