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<?php

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/**

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* Plugin functions.

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* @package EntryViews

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* @version 1.0.0

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* @author Justin Tadlock <justin@justintadlock.com>

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* @link http://themehybrid.com/plugins/entry-views

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* @license http://www.gnu.org/licenses/old-licenses/gpl-2.0.html

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/**

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* Returns the meta key used throughout the plugin for getting/setting the post view count, which is

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* saved as post metadata. Developers can also filter this via the `ev_meta_key` hook if they need

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* to alter it to match a meta key that was previously used by another plugin.

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* @since 1.0.0

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* @access public

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* @return string

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function ev_get_meta_key() {

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return apply_filters( 'ev_meta_key', 'Views' );

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}

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/**

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* Sets the post view count of specific post by adding +1 to the total count. This function should only

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* be used if you want to add an addtional +1 to the count.

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* @since 1.0.0

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* @access public

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* @param int $post_id

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* @return void

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function ev_set_post_view_count( $post_id ) {

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/* Get the number of views the post currently has. */

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$old_views = get_post_meta( $post_id, ev_get_meta_key(), true );

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/* Add +1 to the number of current views. */

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$new_views = absint( $old_views ) + 1;

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/* Update the view count with the new view count. */

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update_post_meta( $post_id, ev_get_meta_key(), $new_views, $old_views );

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}

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/**

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* Gets the view count of a specific post.

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* @since 1.0.0

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* @access public

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* @param int $post_id

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* @return int

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function ev_get_post_view_count( $post_id ) {

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/* Get the number of views the post has. */

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$views = get_post_meta( $post_id, ev_get_meta_key(), true );

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/* Return the view count and make sure it's an integer. */

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return !empty( $views ) ? number_format_i18n( absint( $views ) ) : 0;

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}

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