aristath/kirki

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packages/kirki-framework/util/src/Helper.php

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<?php
/**
 * Helper methods
 *
 * @package     Kirki
 * @category    Core
 * @author      Ari Stathopoulos (@aristath)
 * @copyright   Copyright (c) 2019, Ari Stathopoulos (@aristath)
 * @license     https://opensource.org/licenses/MIT
 * @since       1.0
 */

namespace Kirki\Util;

// Exit if accessed directly.
if ( ! defined( 'ABSPATH' ) ) {
    exit;
}

/**
 * A simple object containing static methods.
 */
class Helper {

    /**
     * Recursive replace in arrays.
     *
     * @static
     * @access public
     * @param array $array The first array.
     * @param array $array1 The second array.
     * @return mixed
     */
    public static function array_replace_recursive( $array, $array1 ) {
        if ( function_exists( 'array_replace_recursive' ) ) {
            return array_replace_recursive( $array, $array1 );
        }

        /**
         * Handle the arguments, merge one by one.
         *
         * In PHP 7 func_get_args() changed the way it behaves but this doesn't mean anything in this case
         * since this method is only used when the array_replace_recursive() function doesn't exist
         * and that was introduced in PHP v5.3.
         *
         * Once WordPress-Core raises its minimum requirements we'll be able to remove this fallback completely.
         */
        $args  = func_get_args(); // phpcs:ignore PHPCompatibility.FunctionUse.ArgumentFunctionsReportCurrentValue
        $array = $args[0];
        if ( ! is_array( $array ) ) {
            return $array;
        }
        $count = count( $args );
        for ( $i = 1; $i < $count; $i++ ) {
            if ( is_array( $args[ $i ] ) ) {
                $array = self::recurse( $array, $args[ $i ] );
            }
        }
        return $array;
    }

    /**
     * Helper method to be used from the array_replace_recursive method.
     *
     * @static
     * @access public
     * @param array $array The first array.
     * @param array $array1 The second array.
     * @return array
     */
    public static function recurse( $array, $array1 ) {
        foreach ( $array1 as $key => $value ) {

            // Create new key in $array, if it is empty or not an array.
            if ( ! isset( $array[ $key ] ) || ( isset( $array[ $key ] ) && ! is_array( $array[ $key ] ) ) ) {
                $array[ $key ] = [];
            }

            // Overwrite the value in the base array.
            if ( is_array( $value ) ) {
                $value = self::recurse( $array[ $key ], $value );
            }
            $array[ $key ] = $value;
        }
        return $array;
    }

    /**
     * Initialize the WP_Filesystem.
     *
     * @static
     * @access public
     * @return object WP_Filesystem
     */
    public static function init_filesystem() {
        $credentials = [];

        if ( ! defined( 'FS_METHOD' ) ) {
            define( 'FS_METHOD', 'direct' );
        }

        $method = defined( 'FS_METHOD' ) ? FS_METHOD : false;

        if ( 'ftpext' === $method ) {
            // If defined, set it to that, Else, set to NULL.
            $credentials['hostname'] = defined( 'FTP_HOST' ) ? preg_replace( '|\w+://|', '', FTP_HOST ) : null;
            $credentials['username'] = defined( 'FTP_USER' ) ? FTP_USER : null;
            $credentials['password'] = defined( 'FTP_PASS' ) ? FTP_PASS : null;

            // Set FTP port.
            if ( strpos( $credentials['hostname'], ':' ) && null !== $credentials['hostname'] ) {
                list( $credentials['hostname'], $credentials['port'] ) = explode( ':', $credentials['hostname'], 2 );
                if ( ! is_numeric( $credentials['port'] ) ) {
                    unset( $credentials['port'] );
                }
            } else {
                unset( $credentials['port'] );
            }

            // Set connection type.
            if ( ( defined( 'FTP_SSL' ) && FTP_SSL ) && 'ftpext' === $method ) {
                $credentials['connection_type'] = 'ftps';
            } elseif ( ! array_filter( $credentials ) ) {
                $credentials['connection_type'] = null;
            } else {
                $credentials['connection_type'] = 'ftp';
            }
        }

        // The WordPress filesystem.
        global $wp_filesystem;

        if ( empty( $wp_filesystem ) ) {
            require_once wp_normalize_path( ABSPATH . '/wp-admin/includes/file.php' ); // phpcs:ignore WPThemeReview.CoreFunctionality.FileInclude
            WP_Filesystem( $credentials );
        }

        return $wp_filesystem;
    }

    /**
     * Returns the attachment object.
     *
     * @static
     * @access public
     * @see https://pippinsplugins.com/retrieve-attachment-id-from-image-url/
     * @param string $url URL to the image.
     * @return int|string Numeric ID of the attachement.
     */
    public static function get_image_id( $url ) {
        global $wpdb;
        if ( empty( $url ) ) {
            return 0;
        }

        $attachment = wp_cache_get( 'kirki_image_id_' . md5( $url ), null );
        if ( false === $attachment ) {
            $attachment = $wpdb->get_col( $wpdb->prepare( "SELECT ID FROM $wpdb->posts WHERE guid = %s;", $url ) ); // phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery
            wp_cache_add( 'kirki_image_id_' . md5( $url ), $attachment, null );
        }

        if ( ! empty( $attachment ) ) {
            return $attachment[0];
        }
        return 0;
    }

    /**
     * Returns an array of the attachment's properties.
     *
     * @param string $url URL to the image.
     * @return array
     */
    public static function get_image_from_url( $url ) {
        $image_id = self::get_image_id( $url );
        $image    = wp_get_attachment_image_src( $image_id, 'full' );

        return [
            'url'       => $image[0],
            'width'     => $image[1],
            'height'    => $image[2],
            'thumbnail' => $image[3],
        ];
    }

    /**
     * Get an array of posts.
     *
     * @static
     * @access public
     * @param array $args Define arguments for the get_posts function.
     * @return array
     */
    public static function get_posts( $args ) {
        if ( is_string( $args ) ) {
            $args = add_query_arg(
                [
                    'suppress_filters' => false,
                ]
            );
        } elseif ( is_array( $args ) && ! isset( $args['suppress_filters'] ) ) {
            $args['suppress_filters'] = false;
        }

        // Get the posts.
        // TODO: WordPress.VIP.RestrictedFunctions.get_posts_get_posts.
        $posts = get_posts( $args );

        // Properly format the array.
        $items = [];
        foreach ( $posts as $post ) {
            $items[ $post->ID ] = $post->post_title;
        }
        wp_reset_postdata();

        return $items;
    }

    /**
     * Get an array of publicly-querable taxonomies.
     *
     * @static
     * @access public
     * @return array
     */
    public static function get_taxonomies() {
        $items = [];

        // Get the taxonomies.
        $taxonomies = get_taxonomies(
            [
                'public' => true,
            ]
        );

        // Build the array.
        foreach ( $taxonomies as $taxonomy ) {
            $id           = $taxonomy;
            $taxonomy     = get_taxonomy( $taxonomy );
            $items[ $id ] = $taxonomy->labels->name;
        }

        return $items;
    }

    /**
     * Get an array of publicly-querable post-types.
     *
     * @static
     * @access public
     * @return array
     */
    public static function get_post_types() {
        $items = [];

        // Get the post types.
        $post_types = get_post_types(
            [
                'public' => true,
            ],
            'objects'
        );

        // Build the array.
        foreach ( $post_types as $post_type ) {
            $items[ $post_type->name ] = $post_type->labels->name;
        }

        return $items;
    }

    /**
     * Get an array of terms from a taxonomy.
     *
     * @static
     * @access public
     * @param string|array $taxonomies See https://developer.wordpress.org/reference/functions/get_terms/ for details.
     * @return array
     */
    public static function get_terms( $taxonomies ) {
        $items = [];

        // Get the post types.
        $terms = get_terms( $taxonomies );

        // Build the array.
        foreach ( $terms as $term ) {
            $items[ $term->term_id ] = $term->name;
        }

        return $items;
    }

    /**
     * Returns an array of navigation menus.
     *
     * @access public
     * @param string $value_field The value to be stored in options. Accepted values: id|slug.
     * @return array
     */
    public static function get_nav_menus( $value_field = 'id' ) {
        $choices   = [];
        $nav_menus = wp_get_nav_menus();

        foreach ( $nav_menus as $term ) {
            $choices[ 'slug' === $value_field ? $term->slug : $term->term_id ] = $term->name;
        }

        return $choices;
    }

    /**
     * Gets an array of material-design colors.
     *
     * @static
     * @access public
     * @param string $context Allows us to get subsets of the palette.
     * @return array
     */
    public static function get_material_design_colors( $context = 'primary' ) {
        return \Kirki\Util\MaterialColors::get_colors( $context );
    }

    /**
     * Get an array of all available dashicons.
     *
     * @static
     * @access public
     * @return array
     */
    public static function get_dashicons() {
        if ( class_exists( '\Kirki\Util\Dashicons' ) ) {
            return \Kirki\Util\Dashicons::get_icons();
        }
        return [];
    }

    /**
     * Compares the 2 values given the condition
     *
     * @param mixed  $value1   The 1st value in the comparison.
     * @param mixed  $value2   The 2nd value in the comparison.
     * @param string $operator The operator we'll use for the comparison.
     * @return boolean whether The comparison has succeded (true) or failed (false).
     */
    public static function compare_values( $value1, $value2, $operator ) {
        if ( '===' === $operator ) {
            return $value1 === $value2;
        }
        if ( '!==' === $operator ) {
            return $value1 !== $value2;
        }
        if ( ( '!=' === $operator || 'not equal' === $operator ) ) {
            return $value1 != $value2; // phpcs:ignore WordPress.PHP.StrictComparisons
        }
        if ( ( '>=' === $operator || 'greater or equal' === $operator || 'equal or greater' === $operator ) ) {
            return $value2 >= $value1;
        }
        if ( ( '<=' === $operator || 'smaller or equal' === $operator || 'equal or smaller' === $operator ) ) {
            return $value2 <= $value1;
        }
        if ( ( '>' === $operator || 'greater' === $operator ) ) {
            return $value2 > $value1;
        }
        if ( ( '<' === $operator || 'smaller' === $operator ) ) {
            return $value2 < $value1;
        }
        if ( 'contains' === $operator || 'in' === $operator ) {
            if ( is_array( $value1 ) && is_array( $value2 ) ) {
                foreach ( $value2 as $val ) {
                    if ( in_array( $val, $value1 ) ) { // phpcs:ignore WordPress.PHP.StrictInArray
                        return true;
                    }
                }
                return false;
            }
            if ( is_array( $value1 ) && ! is_array( $value2 ) ) {
                return in_array( $value2, $value1 ); // phpcs:ignore WordPress.PHP.StrictInArray
            }
            if ( is_array( $value2 ) && ! is_array( $value1 ) ) {
                return in_array( $value1, $value2 ); // phpcs:ignore WordPress.PHP.StrictInArray
            }
            return ( false !== strrpos( $value1, $value2 ) || false !== strpos( $value2, $value1 ) );
        }
        if ( 'does not contain' === $operator || 'not in' === $operator ) {
            return ! self::compare_values( $value1, $value2, $operator );
        }
        return $value1 == $value2; // phpcs:ignore WordPress.PHP.StrictComparisons
    }
}