| Dir : /home/trave494/eastfin/wp-content/plugins/search-and-replace/inc/Database/ |
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| Dir : //home/trave494/eastfin/wp-content/plugins/search-and-replace/inc/Database/Manager.php |
<?php
/** @noinspection SqlDialectInspection */
/** @noinspection SqlNoDataSourceInspection */
namespace Inpsyde\SearchReplace\Database;
/**
* Class Manager
*
* @package Inpsyde\SearchReplace\Database
*/
class Manager {
/**
* @var \wpdb
* WordPress Database Class.
* some functions adapted from :
* https://github.com/ExpandedFronts/Better-Search-Replace/blob/master/includes/class-bsr-db.php
*/
private $wpdb;
/**
* DatabaseManager constructor.
*
* @param \wpdb $wpdb
*/
public function __construct( \wpdb $wpdb ) {
$this->wpdb = $wpdb;
}
/**
* Returns an array of tables in the database.
* if multisite && mainsite: all tables of the site
* if multisite && subsite: all tables of current blog
* if single site : all tabkes of the site
*
* @access public
* @return array
*/
public function get_tables() {
if ( function_exists( 'is_multisite' ) && is_multisite() ) {
if ( is_main_site() ) {
$tables = $this->wpdb->get_col( "SHOW TABLES LIKE'" . $this->wpdb->base_prefix . "%'" );
} else {
$blog_id = get_current_blog_id();
$tables = $this->wpdb->get_col(
"SHOW TABLES LIKE '" . $this->wpdb->base_prefix . absint( $blog_id ) . "\_%'"
);
}
} else {
$tables = $this->wpdb->get_col( "SHOW TABLES LIKE'" . $this->wpdb->base_prefix . "%'" );
}
return $tables;
}
/**
* Returns an array containing the size of each database table.
*
* @access public
* @return array Table => Table Size in KB
*/
public function get_sizes() {
$sizes = array();
$tables = $this->wpdb->get_results( 'SHOW TABLE STATUS', ARRAY_A );
if ( is_array( $tables ) && ! empty( $tables ) ) {
foreach ( $tables as $table ) {
$size = round( $table[ 'Data_length' ] / 1024, 2 );
// Translators: %s is the value of the size in kByte.
$sizes[ $table[ 'Name' ] ] = sprintf( __( '(%s KB)', 'search-and-replace' ), $size );
}
}
return $sizes;
}
/**
* Returns the number of rows in a table.
*
* @access public
*
* @param array|string $table
*
* @return int
*/
public function get_rows( $table ) {
$table = esc_sql( $table );
return $this->wpdb->get_var( "SELECT COUNT(*) FROM $table" );
}
/**
* Gets the columns in a table.
*
* @access public
*
* @param string $table The table to check.
*
* @return array 1st Element: Primary Key, 2nd Element All Columns
*/
public function get_columns( $table ) {
$primary_key = null;
$columns = array();
$fields = $this->wpdb->get_results( 'DESCRIBE ' . $table );
if ( is_array( $fields ) ) {
foreach ( $fields as $column ) {
$columns[] = $column->Field;
if ( 'PRI' === $column->Key ) {
$primary_key = $column->Field;
}
}
}
return array( $primary_key, $columns );
}
/**
* @param string $table The Table Name.
* @param integer $start The start row.
* @param integer $end Int Number of Rows to be fetched.
*
* @return array|null|object
*/
public function get_table_content( $table, $start, $end ) {
$data = $this->wpdb->get_results( "SELECT * FROM $table LIMIT $start, $end", ARRAY_A );
return $data;
}
/**
* Update table.
*
* @param string $table
* @param array $update_sql
* @param array $where_sql
*
* @return false|int
*/
public function update( $table, $update_sql, $where_sql ) {
$sql = 'UPDATE ' . $table . ' SET ' . implode( ', ', $update_sql ) .
' WHERE ' . implode( ' AND ', array_filter( $where_sql ) );
return $this->wpdb->query( $sql );
}
/**
* Get table structure.
*
* @param string $table
*
* @return array|null|object
*/
public function get_table_structure( $table ) {
return $this->wpdb->get_results( "DESCRIBE $table" );
}
/**
* Returns a SQL CREATE TABLE Statement for the table provided in $table.
*
* @param string $table String The Name of the table we want to create the statement for.
*
* @return string
*/
public function get_create_table_statement( $table ) {
return $this->wpdb->get_results( "SHOW CREATE TABLE $table", ARRAY_N );
}
/**
* Flush table.
*/
public function flush() {
$this->wpdb->flush();
}
/**
* Get base prefix.
*
* @return string
*/
public function get_base_prefix() {
return $this->wpdb->base_prefix;
}
}