<?php
/**
* Initialisation script
*
* Run everytime the plugin is initialised
*
* @package	simple-embed-code
* @since 	2.2
*/

function ce_initialisation() {

	// Add exerpt filter, if required

	$options = get_option( 'artiss_code_embed' );
	if ( isset( $options[ 'excerpt' ] ) &&  $options[ 'excerpt' ] == 1 ) {
		add_filter( 'the_excerpt', 'ce_filter', 1 );
	}

	// Check if plugin has upgraded and, if so, perform further actions

	$version = get_option( 'code_embed_version' );

	if ( $version != code_embed_version ) {

		// Set up default option values (if not already set)

		$options = get_option( 'artiss_code_embed' );

		// If options don't exist, create an empty array

		if ( !is_array( $options ) ) { $options = array(); }

		// Because of upgrading, check each option - if not set, apply default

		$default_array = array(
						'opening_ident' => '%',
						'keyword_ident' => 'CODE',
						'closing_ident' => '%',
						'debug' => '',
						'excerpts' => '',
						);

		// Merge existing and default options - any missing from existing will take the default settings

		$new_options = array_merge( $default_array, $options );

		// Update the options, if changed, and return the result

		if ( $options != $new_options ) { update_option( 'artiss_code_embed', $new_options ); }

	}

}

add_action( 'init', 'ce_initialisation' );
?>