add jkit additional funcitons

/**
 * Get version of Jeg Framework. Can be overridden by plugin or theme.
 *
 * @return string
 */
if ( ! function_exists( 'jeg_get_version' ) ) {
    function jeg_get_version() {
        return apply_filters( 'jeg_framework_version', JEG_VERSION );
    }
}

if ( ! function_exists( 'jeg_is_json' ) ) {
    /**
     * Check if string is json
     *
     * @param string $string string to check.
     *
     * @return bool
     */
    function jeg_is_json( $string ) {
        if ( ! is_string( $string ) ) {
            return false;
        }

        json_decode( urldecode( $string ) );

        return ( JSON_ERROR_NONE == json_last_error() );
    }
}

if ( ! function_exists( 'jeg_sanitize_input_field' ) ) {
    /**
     * Recursively Sanitize Input Field
     *
     * @param mixed $values Value to be sanitized.
     *
     * @return mixed
     */
    function jeg_sanitize_input_field( $values ) {

        foreach ( $values as $key => $value ) {
            if ( jeg_is_json( $value ) ) {
                $value = json_decode( urldecode( $value ) );
            }

            if ( is_object( $value ) ) {
                $value = (array) $value;
            }

            if ( is_array( $value ) ) {
                $values[ $key ] = jeg_sanitize_input_field( $value );
            } else {
                $values[ $key ] = sanitize_text_field( $value );
            }
        }

        return $values;
    }
}

/**
 * Get Meta box value
 *
 * @param string $name Metabox Name.
 * @param mixed  $default Default Value for Metabox.
 * @param int    $post_id Post ID.
 *
 * @return mixed
 */
if ( ! function_exists( 'jeg_metabox' ) ) {
    function jeg_metabox( $name, $default = null, $post_id = null ) {
        global $post;

        if ( ! is_null( $post_id ) ) {
            $the_post = get_post( $post_id );
            if ( empty( $the_post ) ) {
                $post_id = null;
            }
        }

        if ( is_null( $post ) && is_null( $post_id ) ) {
            return apply_filters( 'jeg_metabox', $default, $name );
        }

        if ( is_null( $post_id ) ) {
            $post_id = $post->ID;
        }

        $keys = explode( '.', $name );
        $temp = null;

        foreach ( $keys as $index => $key ) {
            if ( 0 === $index ) {
                $meta_values = get_post_meta( $post_id, $key, true );
                if ( ! empty( $meta_values ) ) {
                    $temp = $meta_values;
                } else {
                    return apply_filters( 'jeg_metabox', $default, $name );
                }
            } else {
                if ( is_array( $temp ) ) {
                    if ( isset( $temp[ $key ] ) ) {
                        $temp = $temp[ $key ];
                    } else {
                        $temp = $default;
                    }
                }
            }
        }

        return apply_filters( 'jeg_metabox', $temp, $name );
    }
}

if ( ! function_exists( 'jeg_allowed_protocols' ) ) {

    add_filter( 'kses_allowed_protocols', 'jeg_allowed_protocols' );

    /**
     * Extend Allowed Protocol WP KSES.
     *
     * @param array $allowed_protocols Allowed Protocols.
     *
     * @return array
     */
    function jeg_allowed_protocols( $allowed_protocols ) {
        $allowed_protocols = array_merge( $allowed_protocols, array( 'data' ) );

        return $allowed_protocols;
    }
}

if ( ! function_exists( 'jeg_allowed_html' ) ) {

    add_filter( 'wp_kses_allowed_html', 'jeg_allowed_html' );

    /**
     * Extend Allowed HTML WP KSES.
     *
     * @param array $allowedtags Allowed Tag.
     *
     * @return array
     */
    function jeg_allowed_html( $allowedtags ) {
        $allowedtags['br']   = array_merge( isset( $allowedtags['br'] ) ? $allowedtags['br'] : array(), array() );
        $allowedtags['ul']   = array_merge(
            isset( $allowedtags['ul'] ) ? $allowedtags['ul'] : array(),
            array(
                'class' => true,
                'style' => true,
            )
        );
        $allowedtags['ol']   = array_merge( isset( $allowedtags['ol'] ) ? $allowedtags['ol'] : array(), array() );
        $allowedtags['li']   = array_merge( isset( $allowedtags['li'] ) ? $allowedtags['li'] : array(), array() );
        $allowedtags['a']    = array_merge(
            isset( $allowedtags['a'] ) ? $allowedtags['a'] : array(),
            array(
                'href'   => true,
                'title'  => true,
                'target' => true,
                'class'  => true,
                'style'  => true,
            )
        );
        $allowedtags['span'] = array_merge(
            isset( $allowedtags['span'] ) ? $allowedtags['span'] : array(),
            array(
                'class'       => true,
                'style'       => true,
                'data-*'      => true,
                'aria-hidden' => true,
            )
        );
        $allowedtags['i']    = array_merge(
            isset( $allowedtags['i'] ) ? $allowedtags['i'] : array(),
            array(
                'class' => true,
            )
        );
        $allowedtags['div']  = array_merge(
            isset( $allowedtags['div'] ) ? $allowedtags['div'] : array(),
            array(
                'id'         => true,
                'class'      => true,
                'data-id'    => true,
                'data-video' => true,
                'style'      => true,
            )
        );
        $allowedtags['img']  = array_merge(
            isset( $allowedtags['img'] ) ? $allowedtags['img'] : array(),
            array(
                'class'  => true,
                'src'    => true,
                'alt'    => true,
                'srcset' => true,
                'width'  => true,
                'height' => true,
            )
        );

        return $allowedtags;
    }
}

if ( ! function_exists( 'jeg_check_video_source' ) ) {
    /**
     * Check video source
     */
    function jeg_check_video_source( $url ) {
        $source = '';

        // check if the value contain html tag
        if ( $url != strip_tags( $url ) ) {
            return $source;
        }

        if ( strpos( $url, 'youtube' ) > 0 || strpos( $url, 'youtu.be' ) > 0 ) {
            $source = 'youtube';
        } elseif ( strpos( $url, 'vimeo' ) > 0 ) {
            $source = 'vimeo';
        } else {
            $format = strtolower( pathinfo( $url, PATHINFO_EXTENSION ) );

            if ( 'mp4' === $format ) {
                $source = 'mp4';
            }
        }

        return $source;
    }
}

if ( ! function_exists( 'jeg_get_option' ) ) {
    /**
     * Get Jeg option
     */
    function jeg_get_option( $setting, $default = null ) {
        $options = get_option( 'jeg', array() );
        $value   = $default;
        if ( isset( $options[ $setting ] ) ) {
            $value = $options[ $setting ];
        }

        return $value;
    }
}

if ( ! function_exists( 'jeg_sanitize_array' ) ) {
    /**
     * Sanitizing Array recursively
     *
     * @param array $data The data to be sanitized.
     *
     * @return array sanitized array
     */
    function jeg_sanitize_array( $data ) {
        if ( is_array( $data ) ) {
            foreach ( $data as $key => $value ) {
                $data[ $key ] = jeg_sanitize_array( $value );
            }
            return $data;
        }
        return sanitize_text_field( $data );
    }
}