Created
May 24, 2014 13:44
-
-
Save anthonylrivera/d285876de5ea7d89309c to your computer and use it in GitHub Desktop.
Instant Custom Fields WordPress Plugin
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
<?php | |
/* | |
Plugin Name: Instant Custom Fields | |
Description: Allows instant embedding of custom fields in Post & Page Content. Useful for javascript tags (Video Embeds) that get stripped from Post Content. | |
Plugin URI: http://anthonylrivera.net | |
Author: Anthony L. Rivera | |
Author URI: http://anthonylrivera.net | |
Version: 1.0 | |
License: GPL2 | |
*/ | |
/* | |
Copyright (C) 2015 Anthony L. Rivera anthonylrivera@gmail.com | |
This program is free software; you can redistribute it and/or modify | |
it under the terms of the GNU General Public License, version 2, as | |
published by the Free Software Foundation. | |
This program is distributed in the hope that it will be useful, | |
but WITHOUT ANY WARRANTY; without even the implied warranty of | |
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
GNU General Public License for more details. | |
You should have received a copy of the GNU General Public License | |
along with this program; if not, write to the Free Software | |
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
*/ | |
if ( ! array_key_exists( 'instant-custom-fields', $GLOBALS ) ) { | |
if ( !class_exists( 'Instant_Custom_Fields' ) ) { | |
class Instant_Custom_Fields { | |
public function __construct(){ | |
add_filter( 'the_content', array( $this, 'filter_instant_shortcodes'), 1, 1 ); | |
} | |
public function filter_instant_shortcodes( $content ) { | |
global $post; | |
preg_match_all('/{{*?[a-zA-Z0-9-_]*}}/', $content, $cfs ); | |
if ( isset($cfs) && is_array($cfs) ) { | |
foreach ( $cfs[0] as $icf_tag ) { | |
$icf_name = substr($icf_tag, 2, -2); | |
$custom_field_value = get_post_meta( $post->ID, $icf_name, true ); | |
if( ! empty( $custom_field_value ) ) { | |
$content = str_replace( $icf_tag, $custom_field_value, $content ); | |
} | |
} | |
} | |
return $content; | |
} | |
} | |
$GLOBALS['instant-custom-fields'] = new Instant_Custom_Fields(); | |
} | |
} |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment