qa-breadcrumbs-utils.php

<?php

    /*
        Question2Answer (c) Gideon Greenspan
        Q2A Breadcrumbs (c) Amiya Sahu (developer.amiya@outlook.com)

        http://www.question2answer.org/


        File: qa-plugin/basic-adsense/qa-basic-adsense.php
        Version: See define()s at top of qa-include/qa-base.php
        Description: Widget module class for AdSense widget plugin


        This program is free software; you can redistribute it and/or
        modify it under the terms of the GNU General Public License
        as published by the Free Software Foundation; either version 2
        of the License, or (at your option) any later version.

        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.

        More about this license: http://www.question2answer.org/license.php

    */

    /* don't allow this page to be requested directly from browser */
    if ( !defined( 'QA_VERSION' ) ) {
        header( 'Location: /' );
        exit;
    }

    if ( !function_exists( 'breadcrumb_lang' ) ) {
        /**
         * Returns the language html value as defined in lang file
         *
         * @param      $indentifier
         * @param null $subs
         *
         * @return mixed|string
         */
        function breadcrumb_lang( $indentifier, $subs = null )
        {
            if ( !is_array( $subs ) )
                return empty( $subs ) ? qa_lang_html( 'breadcrumbs/' . $indentifier ) : qa_lang_html_sub( 'breadcrumbs/' . $indentifier, $subs );
            else
                return strtr( qa_lang_html( 'breadcrumbs/' . $indentifier ), $subs );
        }
    }

    if ( !function_exists( 'array_first' ) ) {
        /**
         * Returns the first element in an array.
         *
         * @param  array $array
         * @return mixed
         */

        function array_first( array $array )
        {
            return reset( $array );
        }

    }

    if ( !function_exists( 'array_last' ) ) {
        /**
         * Returns the last element in an array.
         *
         * @param  array $array
         * @return mixed
         */
        function array_last( array $array )
        {
            return end( $array );
        }
    }


    if ( !function_exists( 'array_first_key' ) ) {
        /**
         * Returns the first key in an array.
         *
         * @param  array $array
         * @return int|string
         */
        function array_first_key( array $array )
        {
            reset( $array );

            return key( $array );
        }
    }


    if ( !function_exists( 'array_last_key' ) ) {
        /**
         * Returns the last key in an array.
         *
         * @param  array $array
         * @return int|string
         */
        function array_last_key( array $array )
        {
            end( $array );

            return key( $array );
        }
    }


    if ( !function_exists( 'is_array_first_key' ) ) {
        /**
         * Checks wheather the provided key is the first key of the array
         *
         * @param array $array
         * @param $key
         * @return bool
         */
        function is_array_first_key( array $array, $key )
        {
            return array_first_key( $array ) == $key;
        }
    }


    if ( !function_exists( 'is_array_last_key' ) ) {
        /**
         * Checks wheather the provided key is the first key of the array
         *
         * @param array $array
         * @param $key
         * @return bool
         */
        function is_array_last_key( array $array, $key )
        {
            return array_last_key( $array ) == $key;
        }
    }