R E D

NAME	SIZE	PERMISSION
css	[ DIR ]	dr-xr-xr-x
dir	[ DIR ]	drwxr-xr-x
images	[ DIR ]	drwx---r-x
includes	[ DIR ]	drwx---r-x
js	[ DIR ]	drwx---r-x
maint	[ DIR ]	drwx---r-x
network	[ DIR ]	drwx---r-x
user	[ DIR ]	drwx---r-x
.htaccess	148 B	-r--r--r--
.wp-admin.php	3.61 KB	-rw-r--r--
about.php	21.97 KB	-rw-r--r--
admin-ajax.php	4.54 KB	-rw----r--
admin-footer.php	2.77 KB	-rw----r--
admin-functions.php	406 B	-rw----r--
admin-header.php	8 KB	-rw-r--r--
admin-post.php	1.63 KB	-rw----r--
admin.php	11.82 KB	-rw----r--
async-upload.php	3.71 KB	-rw----r--
comment.php	10.73 KB	-rw----r--
credits.php	4.55 KB	-rw----r--
custom-background.php	416 B	-rw----r--
custom-header.php	426 B	-rw----r--
customize.php	9.4 KB	-rw----r--
edit-comments.php	13.42 KB	-rw----r--
edit-form-advanced.php	28.12 KB	-rw----r--
edit-form-blocks.php	13.73 KB	-rw----r--
edit-form-comment.php	7.92 KB	-rw----r--
edit-link-form.php	6.08 KB	-rw----r--
edit-tag-form.php	9.86 KB	-rw----r--
edit-tags.php	21.39 KB	-rw----r--
edit.php	18.9 KB	-rw----r--
erase-personal-data.php	3.15 KB	-rw----r--
export-personal-data.php	3.13 KB	-rw----r--
export.php	10.69 KB	-rw----r--
freedoms.php	4.5 KB	-rw-r--r--
import.php	7.34 KB	-rw----r--
index.php	5.75 KB	-rw----r--
install-helper.php	5.77 KB	-rw----r--
install.php	16.62 KB	-rw----r--
link-add.php	711 B	-rw----r--
link-manager.php	4.09 KB	-rw----r--
link-parse-opml.php	2.55 KB	-rw----r--
link.php	2.67 KB	-rw----r--
load-scripts.php	1.65 KB	-rw----r--
load-styles.php	2.24 KB	-rw----r--
media-new.php	3.12 KB	-rw-r--r--
media-upload.php	3.28 KB	-rw----r--
media.php	5.47 KB	-rw----r--
menu-header.php	9.52 KB	-rw----r--
menu.php	14.15 KB	-rw----r--
moderation.php	307 B	-rw----r--
ms-admin.php	196 B	-rw----r--
ms-delete-site.php	4.08 KB	-rw----r--
ms-edit.php	216 B	-rw----r--
ms-options.php	223 B	-rw----r--
ms-sites.php	215 B	-rw----r--
ms-themes.php	217 B	-rw----r--
ms-upgrade-network.php	219 B	-rw----r--
ms-users.php	215 B	-rw----r--
my-sites.php	4.53 KB	-rw----r--
nav-menus.php	42.88 KB	-rw----r--
network.php	5.25 KB	-rw----r--
options-discussion.php	14.94 KB	-rw----r--
options-general.php	14.59 KB	-rw----r--
options-head.php	492 B	-rw----r--
options-media.php	6.09 KB	-rw----r--
options-permalink.php	18.76 KB	-rw----r--
options-privacy.php	7.88 KB	-rw----r--
options-reading.php	9.47 KB	-rw----r--
options-writing.php	8.42 KB	-rw----r--
options.php	12.01 KB	-rw----r--
plugin-editor.php	13.05 KB	-rw----r--
plugin-install.php	6.24 KB	-rw----r--
plugins.php	23.79 KB	-rw----r--
post-new.php	2.63 KB	-rw----r--
post.php	9.73 KB	-rw----r--
press-this.php	2.33 KB	-rw----r--
privacy-policy-guide.php	833 B	-rw----r--
privacy.php	2.29 KB	-rw----r--
profile.php	283 B	-rw----r--
revision.php	5.07 KB	-rw----r--
setup-config.php	15.53 KB	-rw----r--
site-health-info.php	5.64 KB	-rw----r--
site-health.php	5.2 KB	-rw----r--
term.php	2.2 KB	-rw----r--
theme-editor.php	14.79 KB	-rw----r--
theme-install.php	14.84 KB	-rw----r--
themes.php	23.07 KB	-rw-r--r--
tools.php	3.37 KB	-rw----r--
update-core.php	33 KB	-rw----r--
update.php	10.32 KB	-rw----r--
upgrade-functions.php	341 B	-rw----r--
upgrade.php	5.52 KB	-rw----r--
upload.php	13.59 KB	-rw----r--
user-edit.php	28.53 KB	-rw----r--
user-new.php	21.81 KB	-rw----r--
users.php	19.43 KB	-rw----r--
widgets.php	19.28 KB	-rw----r--

Code Editor : install-helper.php

<?php
/**
 * Plugins may load this file to gain access to special helper functions for
 * plugin installation. This file is not included by WordPress and it is
 * recommended, to prevent fatal errors, that this file is included using
 * require_once.
 *
 * These functions are not optimized for speed, but they should only be used
 * once in a while, so speed shouldn't be a concern. If it is and you are
 * needing to use these functions a lot, you might experience time outs. If you
 * do, then it is advised to just write the SQL code yourself.
 *
 *     check_column( 'wp_links', 'link_description', 'mediumtext' );
 *     if ( check_column( $wpdb->comments, 'comment_author', 'tinytext' ) ) {
 *         echo "ok\n";
 *     }
 *
 *     $error_count = 0;
 *     $tablename = $wpdb->links;
 *     // Check the column.
 *     if ( ! check_column( $wpdb->links, 'link_description', 'varchar( 255 )' ) ) {
 *         $ddl = "ALTER TABLE $wpdb->links MODIFY COLUMN link_description varchar(255) NOT NULL DEFAULT '' ";
 *         $q = $wpdb->query( $ddl );
 *     }
 *
 *     if ( check_column( $wpdb->links, 'link_description', 'varchar( 255 )' ) ) {
 *         $res .= $tablename . ' - ok <br />';
 *     } else {
 *         $res .= 'There was a problem with ' . $tablename . '<br />';
 *         ++$error_count;
 *     }
 *
 * @package WordPress
 * @subpackage Plugin
 */

/** Load WordPress Bootstrap */
require_once dirname( __DIR__ ) . '/wp-load.php';

if ( ! function_exists( 'maybe_create_table' ) ) :
	/**
	 * Create database table, if it doesn't already exist.
	 *
	 * @since 1.0.0
	 *
	 * @global wpdb $wpdb WordPress database abstraction object.
	 *
	 * @param string $table_name Database table name.
	 * @param string $create_ddl Create database table SQL.
	 * @return bool False on error, true if already exists or success.
	 */
	function maybe_create_table( $table_name, $create_ddl ) {
		global $wpdb;
		foreach ( $wpdb->get_col( 'SHOW TABLES', 0 ) as $table ) {
			if ( $table == $table_name ) {
				return true;
			}
		}
		// Didn't find it, so try to create it.
		$wpdb->query( $create_ddl );

// We cannot directly tell that whether this succeeded!
		foreach ( $wpdb->get_col( 'SHOW TABLES', 0 ) as $table ) {
			if ( $table == $table_name ) {
				return true;
			}
		}
		return false;
	}
endif;

if ( ! function_exists( 'maybe_add_column' ) ) :
	/**
	 * Add column to database table, if column doesn't already exist in table.
	 *
	 * @since 1.0.0
	 *
	 * @global wpdb $wpdb WordPress database abstraction object.
	 *
	 * @param string $table_name Database table name
	 * @param string $column_name Table column name
	 * @param string $create_ddl SQL to add column to table.
	 * @return bool False on failure. True, if already exists or was successful.
	 */
	function maybe_add_column( $table_name, $column_name, $create_ddl ) {
		global $wpdb;
		foreach ( $wpdb->get_col( "DESC $table_name", 0 ) as $column ) {

if ( $column == $column_name ) {
				return true;
			}
		}

// Didn't find it, so try to create it.
		$wpdb->query( $create_ddl );

// We cannot directly tell that whether this succeeded!
		foreach ( $wpdb->get_col( "DESC $table_name", 0 ) as $column ) {
			if ( $column == $column_name ) {
				return true;
			}
		}
		return false;
	}
endif;

/**
 * Drop column from database table, if it exists.
 *
 * @since 1.0.0
 *
 * @global wpdb $wpdb WordPress database abstraction object.
 *
 * @param string $table_name Table name
 * @param string $column_name Column name
 * @param string $drop_ddl SQL statement to drop column.
 * @return bool True on success or if the column doesn't exist, false on failure.
 */
function maybe_drop_column( $table_name, $column_name, $drop_ddl ) {
	global $wpdb;
	foreach ( $wpdb->get_col( "DESC $table_name", 0 ) as $column ) {
		if ( $column == $column_name ) {

// Found it, so try to drop it.
			$wpdb->query( $drop_ddl );

// We cannot directly tell that whether this succeeded!
			foreach ( $wpdb->get_col( "DESC $table_name", 0 ) as $column ) {
				if ( $column == $column_name ) {
					return false;
				}
			}
		}
	}
	// Else didn't find it.
	return true;
}

/**
 * Check column matches criteria.
 *
 * Uses the SQL DESC for retrieving the table info for the column. It will help
 * understand the parameters, if you do more research on what column information
 * is returned by the SQL statement. Pass in null to skip checking that
 * criteria.
 *
 * Column names returned from DESC table are case sensitive and are listed:
 *      Field
 *      Type
 *      Null
 *      Key
 *      Default
 *      Extra
 *
 * @since 1.0.0
 *
 * @global wpdb $wpdb WordPress database abstraction object.
 *
 * @param string $table_name Table name
 * @param string $col_name   Column name
 * @param string $col_type   Column type
 * @param bool   $is_null    Optional. Check is null.
 * @param mixed  $key        Optional. Key info.
 * @param mixed  $default    Optional. Default value.
 * @param mixed  $extra      Optional. Extra value.
 * @return bool True, if matches. False, if not matching.
 */
function check_column( $table_name, $col_name, $col_type, $is_null = null, $key = null, $default = null, $extra = null ) {
	global $wpdb;
	$diffs   = 0;
	$results = $wpdb->get_results( "DESC $table_name" );

foreach ( $results as $row ) {

if ( $row->Field == $col_name ) {

// Got our column, check the params.
			if ( ( null != $col_type ) && ( $row->Type != $col_type ) ) {
				++$diffs;
			}
			if ( ( null != $is_null ) && ( $row->Null != $is_null ) ) {
				++$diffs;
			}
			if ( ( null != $key ) && ( $row->Key != $key ) ) {
				++$diffs;
			}
			if ( ( null != $default ) && ( $row->Default != $default ) ) {
				++$diffs;
			}
			if ( ( null != $extra ) && ( $row->Extra != $extra ) ) {
				++$diffs;
			}
			if ( $diffs > 0 ) {
				return false;
			}
			return true;
		} // End if found our column.
	}
	return false;
}

${this.title}

Code Editor : install-helper.php