<?php
/*
 * This file is part of the Brain Monkey package.
 *
 * (c) Giuseppe Mazzapica <giuseppe.mazzapica@gmail.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 *
 * @author  Giuseppe Mazzapica <giuseppe.mazzapica@gmail.com>
 * @license http://opensource.org/licenses/MIT MIT
 * @package BrainMonkey
 *
 * As the functions in this file are a compatibility layer for WordPress, the same
 * function names should be used as are currently used by WordPress.
 * This cannot be changed at this time.
 * @phpcs:disable PHPCompatibility.FunctionNameRestrictions.ReservedFunctionNames.FunctionDoubleUnderscore
 */

if ( ! function_exists('__return_true')) {
    function __return_true()
    {
        return true;
    }
}

if ( ! function_exists('__return_false')) {
    function __return_false()
    {
        return false;
    }
}

if ( ! function_exists('__return_null')) {
    function __return_null()
    {
        return null;
    }
}

if ( ! function_exists('__return_zero')) {
    function __return_zero()
    {
        return 0;
    }
}

if ( ! function_exists('__return_empty_array')) {
    function __return_empty_array()
    {
        return [];
    }
}

if ( ! function_exists('__return_empty_string')) {
    function __return_empty_string()
    {
        return '';
    }
}

if ( ! function_exists('untrailingslashit')) {
    function untrailingslashit($value)
    {
        return rtrim($value, '/\\');
    }
}

if ( ! function_exists('trailingslashit')) {
    function trailingslashit($value)
    {
        return rtrim($value, '/\\').'/';
    }
}

if ( ! function_exists('user_trailingslashit')) {
    function user_trailingslashit($url)
    {
        return trailingslashit($url);
    }
}

if ( ! function_exists('absint')) {
    function absint($maybeint)
    {
        return abs((int)$maybeint);
    }
}

if ( ! function_exists('wp_json_encode')) {
    function wp_json_encode($data, $options = 0, $depth = 512)
    {
        return json_encode($data, $options, $depth);
    }
}

if ( ! function_exists('is_wp_error')) {
    function is_wp_error($thing)
    {
        return $thing instanceof \WP_Error;
    }
}

if ( ! function_exists('wp_validate_boolean')) {
    function wp_validate_boolean($value)
    {
        return (is_string($value) && (strtolower($value) === 'false')) ? false : (bool)$value;
    }
}

if ( ! function_exists('wp_slash')) {
    function wp_slash($value)
    {
        if (is_array($value)) {
            return array_map('wp_slash', $value);
        }
        return is_string($value) ? addslashes($value) : $value;
    }
}