Wordpress Create Custom Theme Options Page

functions.php

<?php

/* *
 *  Created By : TechnoKnol (Nick Name )
 *  Created On : 30th January 2014
 *  Blog	   : http://technoknol.blogspot.com
 * 
 * */
/************************
*
*    Add this code to your theme's function.php file.
*
***************/

/************ Get theme options *************************************/

add_action('admin_menu' , 'add_appearance_menu') ;

function add_appearance_menu() {
		add_theme_page('My Theme Options','Theme_Options',7,'theme_options','theme_page_option');
	}

function theme_page_option() {
	get_template_part('theme_options');   // This name and below file name should be same.
}

?>

theme_options.php

<?php

/* *
 *  Created By : TechnoKnol (Nick Name )
 *  Created On : 30th January 2014
 *  Blog	   : http://technoknol.blogspot.com
 * 
 *  Put this file in your wordpress Theme's directory. ( Wordpress-Install-Dir/wp-content/themes/your-theme-name/)
 *  (Beside functions.php, header.php, footer.php etc...)
 * */

global $theme_options ; 
global $theme_options_defaults;

$theme_options_defaults = array ( 
		'twitter_uid' => '#',
		'facebook_uid' => '#',
		'linkdin_uid' => '#',
		'gplus_uid' => '#',
		
		'foot_copyright' => '2013 Lorem Ipsum Limited',
			
		'contact_num' => 'XXXXXXXXX',
		'contact_mail' => '[email protected]',
	        'contact_fax' => 'XXXXXXXXX',
			
 		'head_con_no' => 'XXXXXXXXX',
 		'name_line_1' => 'Lorem Ipsum',
        	'name_line_2' => 'Dolar Simet',
		'add_line_1' => '5786. 59th Office Box 15',
 		'add_line_2' => 'Lorem CA, 519458',
);
											

if(isset($_POST['submit'])){
	$new_values = array(
 		'twitter_uid' => htmlentities($_POST['twitter_uid'], ENT_QUOTES),
		 'facebook_uid' => htmlentities($_POST['facebook_uid'], ENT_QUOTES),
 		'linkdin_uid' => htmlentities($_POST['linkdin_uid'], ENT_QUOTES),
 		'gplus_uid' => htmlentities($_POST['gplus_uid'], ENT_QUOTES),
 		
 		'foot_copyright' => htmlentities($_POST['foot_copyright'], ENT_QUOTES),
 		
 		'contact_num' => htmlentities($_POST['contact_num'], ENT_QUOTES),
 		'contact_mail' => htmlentities($_POST['contact_mail'], ENT_QUOTES),
 		'contact_fax' => htmlentities($_POST['contact_fax'], ENT_QUOTES),
		
		 'head_con_no' => htmlentities($_POST['head_con_no'], ENT_QUOTES),
		
		'name_line_1' =>  htmlentities($_POST['name_line_1'], ENT_QUOTES),
		'name_line_2' => htmlentities($_POST['name_line_2'], ENT_QUOTES),
	 	
 		'add_line_1' => htmlentities($_POST['add_line_1'], ENT_QUOTES),
 		'add_line_2' => htmlentities($_POST['add_line_2'], ENT_QUOTES),
		
 		'default' => htmlentities($_POST['default'], ENT_QUOTES),
	);
	
if ($new_values['default'] == true ) {
    foreach ($new_values as $key=>$value) {
	if (empty($value) ) {
		  $new_values[$key] =  $theme_options_defaults[$key] ;
			 }
				
	 }
 }

   update_option('theme_options', $new_values);
   $theme_options = $new_values;
}	


if(get_option('theme_options')){
		$theme_options = get_option('theme_options');
}
	
else{
	add_option('theme_options', $theme_options_defaults));
	 $theme_options = get_option('theme_options');
}


?>

<div class="wrap">
<h2>Theme Options</h2><br/>

<form action="" method="post" enctype="multipart/form-data">
<table>
 
		<tr>
			<td><label for="default">Default: </label></td>
			<td><input id="default"  type="checkbox" name="default" value="true" /></td>
			<td><label class="description" for="default"><?php _e('Fill Default values '); ?><small>Empty fields will be filled with Defaults</small></label></td>
		</tr>
		<tr>
			<td><label for="twitter_uid">Twitter: </label></td>
			<td><input id="twitter_uid"  type="text" name="twitter_uid" value="<?php echo $theme_options['twitter_uid']; ?>" /></td>
			<td><label class="description" for="twitter_uid"><?php _e('Enter your Twitter URL'); ?></label></td>
		</tr>
        
        <tr>
			<td><label for="facebook_uid">Facebook: </label></td>
			<td><input id="facebook_uid"  type="text" name="facebook_uid" value="<?php echo $theme_options['facebook_uid']; ?>" /></td>
			<td><label class="description" for="facebook_uid"><?php _e('Enter Your Facebook URL'); ?></label></td>
		</tr>
               
        <tr>
			<td><label for="linkdin_uid">Linked In: </label></td>
			<td><input id="linkdin_uid"  type="text" name="linkdin_uid" value="<?php echo $theme_options['linkdin_uid']; ?>" /></td>
			<td><label class="description" for="linkdin_uid"><?php _e('Enter LinkedIn URL'); ?></label></td>
		</tr>
               
               
        <tr>
			<td><label for="gplus_uid">Google+ : https://plus.google.com/</label></td>
			<td><input id="gplus_uid"  type="text" name="gplus_uid" value="<?php echo $theme_options['gplus_uid']; ?>" /></td>
			<td><label class="description" for="gplus_uid"><?php _e('Enter google+ Profile URL'); ?></label></td>
		</tr>
               
               
        <tr>
			<td><label for="foot_copyright">Copyright Text: </label></td>
			<td><input id="foot_copyright"  type="text" name="foot_copyright" value="<?php echo $theme_options['foot_copyright']; ?>" /></td>
			<td><label class="description" for="foot_copyright"><?php _e('Footer Copyright Text'); ?></label></td>
		</tr>
               
               
        <tr>
			<td><label for="contact_num">Footer Contact Number: </label></td>
			<td><input id="contact_num"  type="text" name="contact_num" value="<?php echo $theme_options['contact_num']; ?>" /></td>
			<td><label class="description" for="contact_num"><?php _e('Footer Contact Numnber'); ?></label></td>
		</tr>
               
               
        <tr>
			<td><label for="contact_mail"> Email: </label></td>
			<td><input id="contact_mail"  type="text" name="contact_mail" value="<?php echo $theme_options['contact_mail']; ?>" /></td>
			<td><label class="description" for="contact_mail"><?php _e('Email Address'); ?></label></td>
		</tr>
               
               
        <tr>
			<td><label for="contact_fax">Fax: </label></td>
			<td><input id="contact_fax"  type="text" name="contact_fax" value="<?php echo $theme_options['contact_fax']; ?>" /></td>
			<td><label class="description" for="contact_fax"><?php _e('Fax'); ?></label></td>
		</tr>
               
               
        <tr>
			<td><label for="head_con_no">Header Contact No: </label></td>
			<td><input id="head_con_no"  type="text" name="head_con_no" value="<?php echo $theme_options['head_con_no']; ?>" /></td>
			<td><label class="description" for="head_con_no"><?php _e('Header Contact no'); ?></label></td>
		</tr>
               
               
        <tr>
			<td><label for="name_line_1">Name Line 1 : </label></td>
			<td><input id="name_line_1"  type="text" name="name_line_1" value="<?php echo $theme_options['name_line_1']; ?>" /></td>
			<td><label class="description" for="name_line_1"><?php _e('Name Line 1 '); ?></label></td>
		</tr>
               
               
        <tr>
			<td><label for="name_line_2">Name Line 2: </label></td>
			<td><input id="name_line_2"  type="text" name="name_line_2" value="<?php echo $theme_options['name_line_2']; ?>" /></td>
			<td><label class="description" for="name_line_2"><?php _e('name_line_2'); ?></label></td>
		</tr>
               
		<tr>
			<td><label for="add_line_1">Address Line 1: </label></td>
			<td><input id="add_line_1"  type="text" name="twi" value="<?php echo $theme_options['add_line_1']; ?>" /></td>
			<td><label class="description" for="add_line_1"><?php _e('Address Line 1'); ?></label></td>
		</tr>
        
		<tr>
			<td><label for="add_line_2">Address Line 2: </label></td>
			<td><input id="add_line_2"  type="text" name="add_line_2" value="<?php echo $theme_options['add_line_2']; ?>" /></td>
			<td><label class="description" for="add_line_2"><?php _e('Enter your Facebook URL'); ?></label></td>
		</tr>
        
		<tr>
			<td colspan="2"><br/><input type="submit" value="Update Options" class="button-primary save"name="submit" />
			</td>
		</tr>
</table>
</form>
</div>