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wp-content/plugins/bbpress/includes/admin/tools/converter.php

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+<?php
+
+/**
+ * bbPress Converter
+ *
+ * Based on the hard work of Adam Ellis
+ *
+ * @package bbPress
+ * @subpackage Administration
+ */
+
+// Exit if accessed directly
+defined( 'ABSPATH' ) || exit;
+
+/**
+ * Return an array of available converters
+ *
+ * @since 2.6.0 bbPress (r6447)
+ *
+ * @return array
+ */
+function bbp_get_converters() {
+	static $files = array();
+
+	// Only hit the file system one time per page load
+	if ( empty( $files ) ) {
+
+		// Open the converter directory
+		$path   = bbp_setup_converter()->converters_dir;
+		$curdir = opendir( $path );
+
+		// Look for the converter file in the converters directory
+		if ( false !== $curdir ) {
+			while ( $file = readdir( $curdir ) ) {
+				if ( stristr( $file, '.php' ) && stristr( $file, 'index' ) === false ) {
+					$name = preg_replace( '/.php/', '', $file );
+					if ( 'Example' !== $name ) {
+						$files[ $name ] = $path . $file;
+					}
+				}
+			}
+		}
+
+		// Close the directory
+		closedir( $curdir );
+
+		// Sort keys alphabetically, ignoring upper/lower casing
+		if ( ! empty( $files ) ) {
+			natcasesort( $files );
+		}
+	}
+
+	// Filter & return
+	return (array) apply_filters( 'bbp_get_converters', $files );
+}
+
+/**
+ * This is a function that is purposely written to look like a "new" statement.
+ * It is basically a dynamic loader that will load in the platform conversion
+ * of your choice.
+ *
+ * @since 2.0.0
+ *
+ * @param string $platform Name of valid platform class.
+ *
+ * @return mixed Object if converter exists, null if not
+ */
+function bbp_new_converter( $platform = '' ) {
+
+	// Default converter
+	$converter = null;
+
+	// Bail if no platform
+	if ( empty( $platform ) ) {
+		return $converter;
+	}
+
+	// Get the available converters
+	$converters = bbp_get_converters();
+
+	// Get the converter file form converters array
+	$converter_file = isset( $converters[ $platform ] )
+		? $converters[ $platform ]
+		: '';
+
+	// Try to create a new converter object
+	if ( ! empty( $converter_file ) ) {
+
+		// Try to include the converter
+		@include_once $converter_file;
+
+		// Try to instantiate the converter object
+		if ( class_exists( $platform ) ) {
+			$converter = new $platform();
+		}
+	}
+
+	// Filter & return
+	return apply_filters( 'bbp_new_converter', $converter, $platform );
+}