wordpress-make-posts-expire-or-auto-delete functions

<?php
//start  post meta box
$key = "Announcements";
$meta_boxes = array(

"expimo" => array(
"name" => "expimo",
"title" => "Expiration Month",
"description" => "Select a date in the future for this post to expire.  Default date is one month into the future",
"option" => array('01', '02', '03', '04', '05', '06', '07', '08', '09', '10', '11', '12')),

"expida" => array(
"name" => "expida",
"title" => "Expiration Day",
"description" => "Select Day",
"options" => array('-', '01', '02', '03', '04', '05', '06', '07', '08', '09', '10', '11', '12', '13', '14', '15', '16', '17', '18', '19', '20', '21', '22', '23', '24', '25', '26', '27', '28', '29', '30', '31')),

"expiye" => array(
"name" => "expiye",
"title" => "Expiration Year",
"description" => "Select Month",
"options" => array('-', '2013', '2012', '2011', '2010')),

"expiti" => array(
"name" => "expiti",
"title" => "Expiration Time",
"description" => "Select Time",
"options" => array('00:00:00', '01:00:00', '02:00:00', '03:00:00', '04:00:00', '05:00:00', '06:00:00', '07:00:00', '08:00:00', '09:00:00', '10:00:00', '11:00:00', '12:00:00', '13:00:00', '14:00:00', '15:00:00', '16:00:00', '17:00:00', '18:00:00', '19:00:00', '20:00:00', '21:00:00', '22:00:00', '23:00:00')),

"autodelp" => array(
"name" => "autodelp",
"title" => "Delete Post On Expiration",
"description" => "Choose if a post should be deleted after expiration.  Choosing NO will remove the post from the homepage and archive it upon expiration",
"options" => array('no', 'yes')),

);

function create_meta_box() {
global $key;

if( function_exists( 'add_meta_box' ) ) {
add_meta_box( 'new-meta-boxes', ucfirst( $key ) . ' Post Options', 'display_meta_box', 'post', 'normal', 'high' );
}
}

function display_meta_box() {
global $post, $meta_boxes, $key;
?>

<div class="form-wrap">

<?php



wp_nonce_field( plugin_basename( __FILE__ ), $key . '_wpnonce', false, true );





foreach($meta_boxes as $meta_box) {
$data = get_post_meta($post->ID, $key, true);





?>
<?php if($meta_box[ 'name'] != 'expimo' && 
         $meta_box[ 'name'] != 'expida' &&
         $meta_box[ 'name'] != 'expiye' &&
		 $meta_box[ 'name'] != 'autodep' &&
		 $meta_box[ 'name'] != 'expiti' &&
		 $meta_box[ 'name'] != 'autodelp'
) { ?>
<div class="form-field form-required">


<label for="<?php echo $meta_box[ 'name' ]; ?>"><?php echo $meta_box[ 'title' ]; ?></label>

<input type="text" name="<?php echo $meta_box[ 'name' ]; ?>" value="<?php echo htmlspecialchars( $data[ $meta_box[ 'name' ] ] ); ?>" />  

<p><?php echo $meta_box[ 'description' ]; ?></p></div>
<?php } elseif ($meta_box[ 'name'] == 'expimo') {

echo '<div class="form-field form-required"><label for="Post Expiration Date">Post Expiration Date</label>';
echo '<select name="expimo" id="expimo">';
	foreach ($meta_boxes['expimo']['option'] as $option) {
	if ($option == '01') {$optionez = 'January';
} elseif ($option == '02') {$optionez = 'February';
} elseif ($option == '03') {$optionez = 'March';
} elseif ($option == '04') {$optionez = 'April';
} elseif ($option == '05') {$optionez = 'May';
} elseif ($option == '06') {$optionez = 'June';
} elseif ($option == '07') {$optionez = 'July';
} elseif ($option == '08') {$optionez = 'August';
} elseif ($option == '09') {$optionez = 'September';
} elseif ($option == '10') {$optionez = 'August';
} elseif ($option == '11') {$optionez = 'November';
} else {$optionez = 'December';}
		echo '<option', ' value="', $option, '"', $data[ 'expimo' ] == $option ? ' selected="selected"' : '', '>', $optionez, '</option>';
                }
                echo '</select>';
echo '<select name="expida" id="expida">';
	foreach ($meta_boxes['expida']['options'] as $option) {
		echo '<option', ' value="', $option, '"', $data[ 'expida' ] == $option ? ' selected="selected"' : '', '>', $option, '</option>';
                }
                echo '</select>';
echo '<select name="expiye" id="expiye">';
	foreach ($meta_boxes['expiye']['options'] as $option) {
		echo '<option', $data[ 'expiye' ] == $option ? ' selected="selected"' : '', '>', $option, '</option>';
                }
                echo '</select>';
echo '<select name="expiti" id="expiti">';
	foreach ($meta_boxes['expiti']['options'] as $option) {
if ($option == '00:00:00') {$optionez = '12MN';
} elseif ($option == '01:00:00') {$optionez = '1AM';
} elseif ($option == '02:00:00') {$optionez = '2AM';
} elseif ($option == '03:00:00') {$optionez = '3AM';
} elseif ($option == '04:00:00') {$optionez = '4AM';
} elseif ($option == '05:00:00') {$optionez = '5AM';
} elseif ($option == '06:00:00') {$optionez = '6AM';
} elseif ($option == '07:00:00') {$optionez = '7AM';
} elseif ($option == '08:00:00') {$optionez = '8AM';
} elseif ($option == '09:00:00') {$optionez = '9AM';
} elseif ($option == '10:00:00') {$optionez = '10AM';
} elseif ($option == '11:00:00') {$optionez = '11AM';
} elseif ($option == '12:00:00') {$optionez = '12NN';
} elseif ($option == '13:00:00') {$optionez = '1PM';
} elseif ($option == '14:00:00') {$optionez = '2PM';
} elseif ($option == '15:00:00') {$optionez = '3PM';
} elseif ($option == '16:00:00') {$optionez = '4PM';
} elseif ($option == '17:00:00') {$optionez = '5PM';
} elseif ($option == '18:00:00') {$optionez = '6PM';
} elseif ($option == '19:00:00') {$optionez = '7PM';
} elseif ($option == '20:00:00') {$optionez = '8PM';
} elseif ($option == '21:00:00') {$optionez = '9PM';
} elseif ($option == '22:00:00') {$optionez = '10PM';
} else {$optionez = '11PM';}
		echo '<option', ' value="', $option, '"',$data[ 'expiti' ] == $option ? ' selected="selected"' : '', '>', $optionez, '</option>';
                }
                echo '</select>';
echo '<p>Select a date in the future for this post to expire.  Default date is one month into the future</p></div>';
} elseif ($meta_box[ 'name'] == 'autodelp') {
echo '<label for="Auto Delete">Auto Delete?</label>';
echo '<select name="autodelp" id="autodelp">';
                foreach ($meta_boxes['autodelp']['options'] as $option) {
                    echo '<option', $data[ 'autodelp' ] == $option ? ' selected="selected"' : '', '>', $option, '</option>';
                }
                echo '</select><p>', $meta_box[ 'description' ], '</p></div>';
} else {} 
?>

<?php 
}; ?>


<?php 
if (get_the_time('m') == 12) {$mononet = 1;
} else {$mononet = 1 + get_the_time('m');}
$slashhh = '/';
      $spaceeee = ' ';
if ( $data[ 'expida'] == '-') {$datarr = $mononet.$slashhh.get_the_time('d/Y').$spaceeee.$data[ 'expiti' ];
} else {$datarr = $data[ 'expimo' ].$slashhh.$data[ 'expida' ].$slashhh.$data[ 'expiye' ].$spaceeee.$data[ 'expiti' ];} ?>
<?php update_post_meta($post->ID, 'expiration', $datarr); ?> 
</div>
<?php
}
function save_meta_box( $post_id ) {
global $post, $meta_boxes, $key;

foreach( $meta_boxes as $meta_box ) {
$data[ $meta_box[ 'name' ] ] = $_POST[ $meta_box[ 'name' ] ];
}

if ( !wp_verify_nonce( $_POST[ $key . '_wpnonce' ], plugin_basename(__FILE__) ) )
return $post_id;

if ( !current_user_can( 'edit_post', $post_id ))
return $post_id;

update_post_meta( $post_id, $key, $data );
}

add_action( 'admin_menu', 'create_meta_box' );
add_action( 'save_post', 'save_meta_box' );
//end  post meta box
?>