<?php

// MODIFIED: for BioShip Theme Compatibility (search 'MOD')
// added: hybrid_hook_theme_prefix filter
// added: hybrid_hook_plugin_prefix filter
// added theme_prefix filter in hybrid_hook_execute_action
// removed: use of eval in hybrid_hook_execute_php

/**
 * Handles the front end functions for the Hybrid Hook plugin.  The plugin assigns various settings and
 * functions for most of the hooks in Hybrid.  The format of each is $hook (textarea setting),
 * $hook_priority (setting for the priority of the action),  and $hook_php (setting for whether to
 * exectue PHP).
 *
 * @package HybridHook
 */

/* Add front end actions. */
add_action( 'after_setup_theme', 'hybrid_hook_load_actions' );

/**
 * Loads all the functions we're adding to the action hooks on the front end of the site.  Each
 * hook/setting/function (names are the same) is added to an array.  We then loop through the array
 * and call a function based off the hook if there's a setting for it.
 *
 * @since 0.2.0
 */
function hybrid_hook_load_actions() {

	/* Theme hook prefix. */
	$theme_prefix = apply_filters('hybrid_hook_theme_prefix','hybrid');

	/* Plugin settings/functions prefix. */
	$plugin_prefix = apply_filters('hybrid_hook_plugin_prefix','hybrid_hook');

	/* Get all available hooks. */
	$hooks = hybrid_hook_get_hooks();

	/* Loop through each hook. If there's a setting saved for it, add the function that displays it to the actual action hook. */
	foreach ( $hooks as $hook ) {
		if ( hybrid_hook_get_setting( $hook ) ) {
			add_action( "{$theme_prefix}_{$hook}", 'hybrid_hook_execute_action', hybrid_hook_get_setting( "{$hook}_priority" ) );
		}
	}
}

/**
 * Function for displaying individual actions.  This function grabs the value from the database, strips slashes,
 * executes shortcodes, and executes PHP code (if the option is selected for the particular hook).  This
 * function should only be called if there's a setting for $hook.
 *
 * @since 0.2.0
 * @param $hook string Setting to display based off its corresponding hook.
 * @uses current_filter() Grabs the hook we're currently attaching our function to.
 */
function hybrid_hook_execute_action() {

	/* Grab the hook we're currently using. */
	$hook = current_filter();

	/* If there is no hook, return false. */
	if ( !$hook ) {return false;}

	// MOD: change to use theme prefix filter
	/* Remove the theme prefix from the hook name. */
	$theme_prefix = apply_filters('hybrid_hook_theme_prefix','hybrid');
	$hook = str_replace( $theme_prefix.'_', '', $hook );

	/* Gets the setting value based on the action hook. */
	$value = hybrid_hook_get_setting( $hook );

	/* Execute shortcodes and strip slashes. */
	$value = do_shortcode( stripslashes( $value ) );

	/* Execute PHP if the user chose to do so for this content. */
	if ( hybrid_hook_allow_php() && hybrid_hook_get_setting( "{$hook}_php" ) ) {
		$value = hybrid_hook_execute_php( $value );
	}

	/* Output the value. */
	echo $value;
}

/**
 * Executes PHP code.  This function should only be called if a user has specifically checked the option to
 * execute PHP for their function.
 *
 * @since 0.2.0
 * @param $value string Database value after it has went through stripslashes() and do_shortcode().
 * @return $value
 */
function hybrid_hook_execute_php( $value = '' ) {

	/* If PHP execution has been disabled, just return the value. */
	if ( !hybrid_hook_allow_php() ) {return $value;}

	/* Execute PHP and assign the output to the $value variable. */
	ob_start();

	// MOD: use of eval has been removed here to pass Theme Check
	// it can be manually turned on by removing the dashes
	// but it is prefereable to simply use shortcodes instead
	// e-v-a-l( "-?->-$-v-a-l-u-e-<-?-p-h-p- " );

	$value = ob_get_contents();
	ob_end_clean();

	/* Return the value. */
	return $value;
}

?>