Helper::get_mysql_client_version() - Code Metrics - Inspection of "Merge remote-tracking branch 'origin/master'" - voku/simple-mysqli - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( a781c6...24e936 )

by Lars

created 2018-06-03 23:36 UTC

Helper::get_mysql_client_version() A

↳ Parent: Helper

Complexity

Conditions	3
Paths	4

Size

Total Lines	14
Code Lines	7

Duplication

Lines	14
Ratio	100 %

Code Coverage

Tests	6
CRAP Score	3.0261

Importance

Changes

Metric	Value
dl	14
loc	14
ccs	6
cts	7
cp	0.8571
rs	9.4285
c	0
b	0
f	0
cc	3
eloc	7
nc	4
nop	1
crap	3.0261

<?php

declare(strict_types=1);

namespace voku\db;

use voku\cache\Cache;
use voku\helper\Phonetic;

/**
 * Helper: This class can handle extra functions that use the "Simple-MySQLi"-classes.
 *
 * @package   voku\db
 */
class Helper
{
  /**
   * Optimize tables
   *
   * @param array   $tables       database table names
   * @param DB|null $dbConnection <p>Use <strong>null</strong> to get your first singleton instance.</p>
   *
   * @return int
   */
  public static function optimizeTables(array $tables = [], DB $dbConnection = null): int

  {
    if ($dbConnection === null) {
      $dbConnection = DB::getInstance();
    }

    $optimized = 0;
    if (!empty($tables)) {
      foreach ($tables as $table) {
        $optimize = 'OPTIMIZE TABLE ' . $dbConnection->quote_string($table);
        $result = $dbConnection->query($optimize);
        if ($result) {
          $optimized++;
        }
      }
    }

    return $optimized;
  }

  /**
   * Repair tables
   *
   * @param array   $tables       database table names
   * @param DB|null $dbConnection <p>Use <strong>null</strong> to get your first singleton instance.</p>
   *
   * @return int
   */
  public static function repairTables(array $tables = [], DB $dbConnection = null): int

  {
    if ($dbConnection === null) {
      $dbConnection = DB::getInstance();
    }

    $optimized = 0;
    if (!empty($tables)) {
      foreach ($tables as $table) {
        $optimize = 'REPAIR TABLE ' . $dbConnection->quote_string($table);
        $result = $dbConnection->query($optimize);
        if ($result) {
          $optimized++;
        }
      }
    }

    return $optimized;
  }

  /**
   * Check if "mysqlnd"-driver is used.
   *
   * @return bool
   */
  public static function isMysqlndIsUsed(): bool
  {
    static $_mysqlnd_is_used = null;

    if ($_mysqlnd_is_used === null) {
      $_mysqlnd_is_used = (
          \extension_loaded('mysqlnd')
          &&
          \function_exists('mysqli_fetch_all')
      );
    }

    return $_mysqlnd_is_used;
  }

  /**
   * Check if the current environment supports "utf8mb4".
   *
   * @param DB $dbConnection
   *
   * @return bool
   */
  public static function isUtf8mb4Supported(DB $dbConnection = null): bool
  {
    /**
     *  https://make.wordpress.org/core/2015/04/02/the-utf8mb4-upgrade/
     *
     * - You’re currently using the utf8 character set.
     * - Your MySQL server is version 5.5.3 or higher (including all 10.x versions of MariaDB).
     * - Your MySQL client libraries are version 5.5.3 or higher. If you’re using mysqlnd, 5.0.9 or higher.
     *
     * INFO: utf8mb4 is 100% backwards compatible with utf8.
     */

    if ($dbConnection === null) {
      $dbConnection = DB::getInstance();
    }

    $server_version = self::get_mysql_server_version($dbConnection);
    $client_version = self::get_mysql_client_version($dbConnection);

    if (
        $server_version >= 50503
        &&
        (
            (
                self::isMysqlndIsUsed() === true
                &&
                $client_version >= 50009
            )
            ||
            (
                self::isMysqlndIsUsed() === false
                &&
                $client_version >= 50503
            )
        )

    ) {
      return true;
    }

    return false;
  }

  /**
   * A phonetic search algorithms for different languages.
   *
   * INFO: if you need better performance, please save the "voku\helper\Phonetic"-output into the DB and search for it
   *
   * @param string      $searchString
   * @param string      $searchFieldName
   * @param string      $idFieldName
   * @param string      $language     <p>en, de, fr</p>
   * @param string      $table
   * @param array       $whereArray
   * @param DB|null     $dbConnection <p>use <strong>null</strong> if you will use the current database-connection</p>
   * @param null|string $databaseName <p>use <strong>null</strong> if you will use the current database</p>
   * @param bool        $useCache     use cache?
   * @param int         $cacheTTL     cache-ttl in seconds
   *
   * @return array
   */
  public static function phoneticSearch(string $searchString, string $searchFieldName, string $idFieldName = null, string $language = 'de', string $table, array $whereArray = null, DB $dbConnection = null, string $databaseName = null, bool $useCache = false, int $cacheTTL = 3600): array
  {
    // init
    $cacheKey = null;

    if ($dbConnection === null) {
      $dbConnection = DB::getInstance();
    }

    if ($table === '') {
      $debug = new Debug($dbConnection);
      $debug->displayError('Invalid table name, table name in empty.', false);

      return [];
    }

    if ($idFieldName === null) {
      $idFieldName = 'id';
    }

    $whereSQL = $dbConnection->_parseArrayPair($whereArray, 'AND');

    if ($whereSQL) {
      $whereSQL = 'AND ' . $whereSQL;
    }

    if ($databaseName) {
''   == false // true
''   == null  // true
'ab' == false // false
'ab' == null  // false

// It is often better to use strict comparison
'' === false // false
'' === null  // false
      $databaseName = $dbConnection->quote_string(trim($databaseName)) . '.';
    }

    // get the row
    $query = 'SELECT ' . $dbConnection->quote_string($searchFieldName) . ', ' . $dbConnection->quote_string($idFieldName) . ' 
      FROM ' . $databaseName . $dbConnection->quote_string($table) . '
      WHERE 1 = 1
      ' . $whereSQL . '
    ';

    if ($useCache === true) {
      $cache = new Cache(null, null, false, $useCache);
      $cacheKey = 'sql-phonetic-search-' . \md5($query);

      if (
          $cache->getCacheIsReady() === true
          &&
          $cache->existsItem($cacheKey)
      ) {
        return $cache->getItem($cacheKey);
      }

    } else {
      $cache = false;
    }

    $result = $dbConnection->query($query);

    // make sure the row exists
    if ($result->num_rows <= 0) {
      return [];
    }

    $dataToSearchIn = [];
    /** @noinspection LoopWhichDoesNotLoopInspection */
    /** @noinspection PhpAssignmentInConditionInspection */
    while ($tmpArray = $result->fetchArray()) {
      $dataToSearchIn[$tmpArray[$idFieldName]] = $tmpArray[$searchFieldName];
    }

    $phonetic = new Phonetic($language);
    $return = $phonetic->phonetic_matches($searchString, $dataToSearchIn);

    // save into the cache
    if (
        $cacheKey !== null
        &&
        $useCache === true
        &&
        $cache instanceof Cache
        &&
        $cache->getCacheIsReady() === true
    ) {
      $cache->setItem($cacheKey, $return, $cacheTTL);
    }

    return $return;
  }

  /**
   * A string that represents the MySQL client library version.
   *
   * @param DB $dbConnection
   *
   * @return string
   */
  public static function get_mysql_client_version(DB $dbConnection = null): string

  {
    static $_mysqli_client_version = null;

    if ($dbConnection === null) {
      $dbConnection = DB::getInstance();
    }

    if ($_mysqli_client_version === null) {
      $_mysqli_client_version = (string)\mysqli_get_client_version($dbConnection->getLink());
    }

    return $_mysqli_client_version;
  }


  /**
   * Returns a string representing the version of the MySQL server that the MySQLi extension is connected to.
   *
   * @param DB $dbConnection
   *
   * @return string
   */
  public static function get_mysql_server_version(DB $dbConnection = null): string

  {
    static $_mysqli_server_version = null;

    if ($dbConnection === null) {
      $dbConnection = DB::getInstance();
    }

    if ($_mysqli_server_version === null) {
      $_mysqli_server_version = (string)\mysqli_get_server_version($dbConnection->getLink());
    }

    return $_mysqli_server_version;
  }

  /**
   * Return all db-fields from a table.
   *
   * @param string      $table
   * @param bool        $useStaticCache
   * @param DB|null     $dbConnection <p>use <strong>null</strong> if you will use the current database-connection</p>
   * @param null|string $databaseName <p>use <strong>null</strong> if you will use the current database</p>
   *
   * @return array
   */
  public static function getDbFields(string $table, bool $useStaticCache = true, DB $dbConnection = null, string $databaseName = null): array
  {
    static $DB_FIELDS_CACHE = [];

    // use the static cache
    if (
        $useStaticCache === true
        &&
        isset($DB_FIELDS_CACHE[$table])
    ) {
      return $DB_FIELDS_CACHE[$table];
    }

    // init
    $dbFields = [];

    if ($dbConnection === null) {
      $dbConnection = DB::getInstance();
    }

    if ($table === '') {
      $debug = new Debug($dbConnection);
      $debug->displayError('Invalid table name, table name in empty.', false);

      return [];
    }

    if ($databaseName) {
''   == false // true
''   == null  // true
'ab' == false // false
'ab' == null  // false

// It is often better to use strict comparison
'' === false // false
'' === null  // false
      $databaseName = $dbConnection->quote_string(trim($databaseName)) . '.';
    }

    $sql = 'SHOW COLUMNS FROM ' . $databaseName . $dbConnection->escape($table);
    $result = $dbConnection->query($sql);

    if ($result && $result->num_rows > 0) {
      foreach ($result->fetchAllArray() as $tmpResult) {
        $dbFields[] = $tmpResult['Field'];
      }
    }

    // add to static cache
    $DB_FIELDS_CACHE[$table] = $dbFields;

    return $dbFields;
  }

  /**
   * Copy row within a DB table and making updates to the columns.
   *
   * @param string      $table
   * @param array       $whereArray
   * @param array       $updateArray
   * @param array       $ignoreArray
   * @param DB|null     $dbConnection <p>Use <strong>null</strong> to get your first singleton instance.</p>
   * @param null|string $databaseName <p>use <strong>null</strong> if you will use the current database</p>
   *
   * @return bool|int "int" (insert_id) by "<b>INSERT / REPLACE</b>"-queries<br />
   *                   "false" on error
   */
  public static function copyTableRow($table, array $whereArray, array $updateArray = [], array $ignoreArray = [], DB $dbConnection = null, $databaseName = null)
  {
    // init
    $table = trim($table);

    if ($dbConnection === null) {
      $dbConnection = DB::getInstance();
    }

    if ($table === '') {
      $debug = new Debug($dbConnection);
      $debug->displayError('Invalid table name, table name in empty.', false);

      return false;
    }

    $whereSQL = $dbConnection->_parseArrayPair($whereArray, 'AND');
    if ($whereSQL) {
      $whereSQL = 'AND ' . $whereSQL;
    }

    if ($databaseName) {
''   == false // true
''   == null  // true
'ab' == false // false
'ab' == null  // false

// It is often better to use strict comparison
'' === false // false
'' === null  // false
      $databaseName = $dbConnection->quote_string(trim($databaseName)) . '.';
    }

    // get the row
    $query = 'SELECT * FROM ' . $databaseName . $dbConnection->quote_string($table) . '
      WHERE 1 = 1
      ' . $whereSQL . '
    ';
    $result = $dbConnection->query($query);

    // make sure the row exists
    if ($result->num_rows > 0) {

      /** @noinspection LoopWhichDoesNotLoopInspection */
      /** @noinspection PhpAssignmentInConditionInspection */
      while ($tmpArray = $result->fetchArray()) {

        // re-build a new DB query and ignore some field-names
        $bindings = [];
        $insert_keys = '';
        $insert_values = '';

        foreach ($tmpArray as $fieldName => $value) {

          if (!\in_array($fieldName, $ignoreArray, true)) {
            if (\array_key_exists($fieldName, $updateArray)) {
              $insert_keys .= ',' . $fieldName;
              $insert_values .= ',?';
              $bindings[] = $updateArray[$fieldName]; // INFO: do not escape non selected data
            } else {
              $insert_keys .= ',' . $fieldName;
              $insert_values .= ',?';
              $bindings[] = $value; // INFO: do not escape non selected data
            }
          }
        }

        $insert_keys = ltrim($insert_keys, ',');
        $insert_values = ltrim($insert_values, ',');

        // insert the "copied" row
        $new_query = 'INSERT INTO ' . $databaseName . $dbConnection->quote_string($table) . ' 
          (' . $insert_keys . ')
          VALUES 
          (' . $insert_values . ')
        ';

        return $dbConnection->query($new_query, $bindings);
      }
    }

    return false;
  }
}


1			<?php
2
3			declare(strict_types=1);
4
5			namespace voku\db;
6
7			use voku\cache\Cache;
8			use voku\helper\Phonetic;
9
10			/**
11			* Helper: This class can handle extra functions that use the "Simple-MySQLi"-classes.
12			*
13			* @package voku\db
14			*/
15			class Helper
16			{
17			/**
18			* Optimize tables
19			*
20			* @param array $tables database table names
21			* @param DB\|null $dbConnection <p>Use <strong>null</strong> to get your first singleton instance.</p>
22			*
23			* @return int
24			*/
25	1	View Code Duplication	public static function optimizeTables(array $tables = [], DB $dbConnection = null): int
			0 ignored issues – show Duplication introduced 2017-09-02 21:09 UTC by Report Bug Copy Issue Report This method seems to be duplicated in your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
26			{
27	1		if ($dbConnection === null) {
28	1		$dbConnection = DB::getInstance();
29			}
30
31	1		$optimized = 0;
32	1		if (!empty($tables)) {
33	1		foreach ($tables as $table) {
34	1		$optimize = 'OPTIMIZE TABLE ' . $dbConnection->quote_string($table);
35	1		$result = $dbConnection->query($optimize);
36	1		if ($result) {
37	1		$optimized++;
38			}
39			}
40			}
41
42	1		return $optimized;
43			}
44
45			/**
46			* Repair tables
47			*
48			* @param array $tables database table names
49			* @param DB\|null $dbConnection <p>Use <strong>null</strong> to get your first singleton instance.</p>
50			*
51			* @return int
52			*/
53	1	View Code Duplication	public static function repairTables(array $tables = [], DB $dbConnection = null): int
			0 ignored issues – show Duplication introduced 2017-09-02 21:09 UTC by Report Bug Copy Issue Report This method seems to be duplicated in your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
54			{
55	1		if ($dbConnection === null) {
56	1		$dbConnection = DB::getInstance();
57			}
58
59	1		$optimized = 0;
60	1		if (!empty($tables)) {
61	1		foreach ($tables as $table) {
62	1		$optimize = 'REPAIR TABLE ' . $dbConnection->quote_string($table);
63	1		$result = $dbConnection->query($optimize);
64	1		if ($result) {
65	1		$optimized++;
66			}
67			}
68			}
69
70	1		return $optimized;
71			}
72
73			/**
74			* Check if "mysqlnd"-driver is used.
75			*
76			* @return bool
77			*/
78	111		public static function isMysqlndIsUsed(): bool
79			{
80	111		static $_mysqlnd_is_used = null;
81
82	111		if ($_mysqlnd_is_used === null) {
83			$_mysqlnd_is_used = (
84	1		\extension_loaded('mysqlnd')
85			&&
86	1		\function_exists('mysqli_fetch_all')
87			);
88			}
89
90	111		return $_mysqlnd_is_used;
91			}
92
93			/**
94			* Check if the current environment supports "utf8mb4".
95			*
96			* @param DB $dbConnection
97			*
98			* @return bool
99			*/
100	60		public static function isUtf8mb4Supported(DB $dbConnection = null): bool
101			{
102			/**
103			* https://make.wordpress.org/core/2015/04/02/the-utf8mb4-upgrade/
104			*
105			* - You’re currently using the utf8 character set.
106			* - Your MySQL server is version 5.5.3 or higher (including all 10.x versions of MariaDB).
107			* - Your MySQL client libraries are version 5.5.3 or higher. If you’re using mysqlnd, 5.0.9 or higher.
108			*
109			* INFO: utf8mb4 is 100% backwards compatible with utf8.
110			*/
111
112	60		if ($dbConnection === null) {
113			$dbConnection = DB::getInstance();
114			}
115
116	60		$server_version = self::get_mysql_server_version($dbConnection);
117	60		$client_version = self::get_mysql_client_version($dbConnection);
118
119			if (
120	60		$server_version >= 50503
121			&&
122			(
123			(
124	60		self::isMysqlndIsUsed() === true
125			&&
126	60		$client_version >= 50009
127			)
128			\|\|
129			(
130			self::isMysqlndIsUsed() === false
131			&&
132	60		$client_version >= 50503
133			)
134			)
135
136			) {
137	60		return true;
138			}
139
140			return false;
141			}
142
143			/**
144			* A phonetic search algorithms for different languages.
145			*
146			* INFO: if you need better performance, please save the "voku\helper\Phonetic"-output into the DB and search for it
147			*
148			* @param string $searchString
149			* @param string $searchFieldName
150			* @param string $idFieldName
151			* @param string $language <p>en, de, fr</p>
152			* @param string $table
153			* @param array $whereArray
154			* @param DB\|null $dbConnection <p>use <strong>null</strong> if you will use the current database-connection</p>
155			* @param null\|string $databaseName <p>use <strong>null</strong> if you will use the current database</p>
156			* @param bool $useCache use cache?
157			* @param int $cacheTTL cache-ttl in seconds
158			*
159			* @return array
160			*/
161	2		public static function phoneticSearch(string $searchString, string $searchFieldName, string $idFieldName = null, string $language = 'de', string $table, array $whereArray = null, DB $dbConnection = null, string $databaseName = null, bool $useCache = false, int $cacheTTL = 3600): array
162			{
163			// init
164	2		$cacheKey = null;
165
166	2		if ($dbConnection === null) {
167	2		$dbConnection = DB::getInstance();
168			}
169
170	2	View Code Duplication	if ($table === '') {
171			$debug = new Debug($dbConnection);
172			$debug->displayError('Invalid table name, table name in empty.', false);
173
174			return [];
175			}
176
177	2		if ($idFieldName === null) {
178			$idFieldName = 'id';
179			}
180
181	2		$whereSQL = $dbConnection->_parseArrayPair($whereArray, 'AND');
			0 ignored issues – show Bug introduced 2017-04-05 04:06 UTC by Report Bug Copy Issue Report It seems like `$whereArray` defined by parameter `$whereArray` on line 161 can also be of type `null`; however, `voku\db\DB::_parseArrayPair()` does only seem to accept `array`, maybe add an additional type check? This check looks at variables that have been passed in as parameters and are passed out again to other methods. If the outgoing method call has stricter type requirements than the method itself, an issue is raised. An additional type check may prevent trouble. Loading history...
182	2		if ($whereSQL) {
183	2		$whereSQL = 'AND ' . $whereSQL;
184			}
185
186	2		if ($databaseName) {
			0 ignored issues – show Bug Best Practice introduced 2017-04-05 04:06 UTC by Report Bug Copy Issue Report The expression `$databaseName` of type `null\|string` is loosely compared to `true`; this is ambiguous if the string can be empty. You might want to explicitly use `!== null` instead. In PHP, under loose comparison (like `==`, or `!=`, or `switch` conditions), values of different types might be equal. For `string` values, the empty string `''` is a special case, in particular the following results might be unexpected: '' == false // true '' == null // true 'ab' == false // false 'ab' == null // false // It is often better to use strict comparison '' === false // false '' === null // false Loading history...
187			$databaseName = $dbConnection->quote_string(trim($databaseName)) . '.';
188			}
189
190			// get the row
191	2		$query = 'SELECT ' . $dbConnection->quote_string($searchFieldName) . ', ' . $dbConnection->quote_string($idFieldName) . '
192	2		FROM ' . $databaseName . $dbConnection->quote_string($table) . '
193			WHERE 1 = 1
194	2		' . $whereSQL . '
195			';
196
197	2	View Code Duplication	if ($useCache === true) {
198	1		$cache = new Cache(null, null, false, $useCache);
199	1		$cacheKey = 'sql-phonetic-search-' . \md5($query);
200
201			if (
202	1		$cache->getCacheIsReady() === true
203			&&
204	1		$cache->existsItem($cacheKey)
205			) {
206	1		return $cache->getItem($cacheKey);
207			}
208
209			} else {
210	1		$cache = false;
211			}
212
213	2		$result = $dbConnection->query($query);
214
215			// make sure the row exists
216	2		if ($result->num_rows <= 0) {
217			return [];
218			}
219
220	2		$dataToSearchIn = [];
221			/** @noinspection LoopWhichDoesNotLoopInspection */
222			/** @noinspection PhpAssignmentInConditionInspection */
223	2		while ($tmpArray = $result->fetchArray()) {
224	2		$dataToSearchIn[$tmpArray[$idFieldName]] = $tmpArray[$searchFieldName];
225			}
226
227	2		$phonetic = new Phonetic($language);
228	2		$return = $phonetic->phonetic_matches($searchString, $dataToSearchIn);
229
230			// save into the cache
231		View Code Duplication	if (
232	2		$cacheKey !== null
233			&&
234	2		$useCache === true
235			&&
236	2		$cache instanceof Cache
237			&&
238	2		$cache->getCacheIsReady() === true
239			) {
240	1		$cache->setItem($cacheKey, $return, $cacheTTL);
241			}
242
243	2		return $return;
244			}
245
246			/**
247			* A string that represents the MySQL client library version.
248			*
249			* @param DB $dbConnection
250			*
251			* @return string
252			*/
253	60	View Code Duplication	public static function get_mysql_client_version(DB $dbConnection = null): string
			0 ignored issues – show Duplication introduced 2017-04-05 04:06 UTC by Report Bug Copy Issue Report This method seems to be duplicated in your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
254			{
255	60		static $_mysqli_client_version = null;
256
257	60		if ($dbConnection === null) {
258			$dbConnection = DB::getInstance();
259			}
260
261	60		if ($_mysqli_client_version === null) {
262	1		$_mysqli_client_version = (string)\mysqli_get_client_version($dbConnection->getLink());
263			}
264
265	60		return $_mysqli_client_version;
266			}
267
268
269			/**
270			* Returns a string representing the version of the MySQL server that the MySQLi extension is connected to.
271			*
272			* @param DB $dbConnection
273			*
274			* @return string
275			*/
276	60	View Code Duplication	public static function get_mysql_server_version(DB $dbConnection = null): string
			0 ignored issues – show Duplication introduced 2017-04-05 04:06 UTC by Report Bug Copy Issue Report This method seems to be duplicated in your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
277			{
278	60		static $_mysqli_server_version = null;
279
280	60		if ($dbConnection === null) {
281			$dbConnection = DB::getInstance();
282			}
283
284	60		if ($_mysqli_server_version === null) {
285	1		$_mysqli_server_version = (string)\mysqli_get_server_version($dbConnection->getLink());
286			}
287
288	60		return $_mysqli_server_version;
289			}
290
291			/**
292			* Return all db-fields from a table.
293			*
294			* @param string $table
295			* @param bool $useStaticCache
296			* @param DB\|null $dbConnection <p>use <strong>null</strong> if you will use the current database-connection</p>
297			* @param null\|string $databaseName <p>use <strong>null</strong> if you will use the current database</p>
298			*
299			* @return array
300			*/
301	1		public static function getDbFields(string $table, bool $useStaticCache = true, DB $dbConnection = null, string $databaseName = null): array
302			{
303	1		static $DB_FIELDS_CACHE = [];
304
305			// use the static cache
306			if (
307	1		$useStaticCache === true
308			&&
309	1		isset($DB_FIELDS_CACHE[$table])
310			) {
311	1		return $DB_FIELDS_CACHE[$table];
312			}
313
314			// init
315	1		$dbFields = [];
316
317	1		if ($dbConnection === null) {
318	1		$dbConnection = DB::getInstance();
319			}
320
321	1	View Code Duplication	if ($table === '') {
322			$debug = new Debug($dbConnection);
323			$debug->displayError('Invalid table name, table name in empty.', false);
324
325			return [];
326			}
327
328	1		if ($databaseName) {
			0 ignored issues – show Bug Best Practice introduced 2017-04-03 14:44 UTC by Report Bug Copy Issue Report The expression `$databaseName` of type `null\|string` is loosely compared to `true`; this is ambiguous if the string can be empty. You might want to explicitly use `!== null` instead. In PHP, under loose comparison (like `==`, or `!=`, or `switch` conditions), values of different types might be equal. For `string` values, the empty string `''` is a special case, in particular the following results might be unexpected: '' == false // true '' == null // true 'ab' == false // false 'ab' == null // false // It is often better to use strict comparison '' === false // false '' === null // false Loading history...
329			$databaseName = $dbConnection->quote_string(trim($databaseName)) . '.';
330			}
331
332	1		$sql = 'SHOW COLUMNS FROM ' . $databaseName . $dbConnection->escape($table);
333	1		$result = $dbConnection->query($sql);
334
335	1		if ($result && $result->num_rows > 0) {
336	1		foreach ($result->fetchAllArray() as $tmpResult) {
337	1		$dbFields[] = $tmpResult['Field'];
338			}
339			}
340
341			// add to static cache
342	1		$DB_FIELDS_CACHE[$table] = $dbFields;
343
344	1		return $dbFields;
345			}
346
347			/**
348			* Copy row within a DB table and making updates to the columns.
349			*
350			* @param string $table
351			* @param array $whereArray
352			* @param array $updateArray
353			* @param array $ignoreArray
354			* @param DB\|null $dbConnection <p>Use <strong>null</strong> to get your first singleton instance.</p>
355			* @param null\|string $databaseName <p>use <strong>null</strong> if you will use the current database</p>
356			*
357			* @return bool\|int "int" (insert_id) by "<b>INSERT / REPLACE</b>"-queries<br />
358			* "false" on error
359			*/
360	1		public static function copyTableRow($table, array $whereArray, array $updateArray = [], array $ignoreArray = [], DB $dbConnection = null, $databaseName = null)
361			{
362			// init
363	1		$table = trim($table);
364
365	1		if ($dbConnection === null) {
366	1		$dbConnection = DB::getInstance();
367			}
368
369	1	View Code Duplication	if ($table === '') {
370			$debug = new Debug($dbConnection);
371			$debug->displayError('Invalid table name, table name in empty.', false);
372
373			return false;
374			}
375
376	1		$whereSQL = $dbConnection->_parseArrayPair($whereArray, 'AND');
377	1		if ($whereSQL) {
378	1		$whereSQL = 'AND ' . $whereSQL;
379			}
380
381	1		if ($databaseName) {
			0 ignored issues – show Bug Best Practice introduced 2017-04-03 14:44 UTC by Report Bug Copy Issue Report The expression `$databaseName` of type `null\|string` is loosely compared to `true`; this is ambiguous if the string can be empty. You might want to explicitly use `!== null` instead. In PHP, under loose comparison (like `==`, or `!=`, or `switch` conditions), values of different types might be equal. For `string` values, the empty string `''` is a special case, in particular the following results might be unexpected: '' == false // true '' == null // true 'ab' == false // false 'ab' == null // false // It is often better to use strict comparison '' === false // false '' === null // false Loading history...
382			$databaseName = $dbConnection->quote_string(trim($databaseName)) . '.';
383			}
384
385			// get the row
386	1		$query = 'SELECT * FROM ' . $databaseName . $dbConnection->quote_string($table) . '
387			WHERE 1 = 1
388	1		' . $whereSQL . '
389			';
390	1		$result = $dbConnection->query($query);
391
392			// make sure the row exists
393	1		if ($result->num_rows > 0) {
394
395			/** @noinspection LoopWhichDoesNotLoopInspection */
396			/** @noinspection PhpAssignmentInConditionInspection */
397	1		while ($tmpArray = $result->fetchArray()) {
398
399			// re-build a new DB query and ignore some field-names
400	1		$bindings = [];
401	1		$insert_keys = '';
402	1		$insert_values = '';
403
404	1		foreach ($tmpArray as $fieldName => $value) {
405
406	1		if (!\in_array($fieldName, $ignoreArray, true)) {
407	1		if (\array_key_exists($fieldName, $updateArray)) {
408	1		$insert_keys .= ',' . $fieldName;
409	1		$insert_values .= ',?';
410	1		$bindings[] = $updateArray[$fieldName]; // INFO: do not escape non selected data
411			} else {
412	1		$insert_keys .= ',' . $fieldName;
413	1		$insert_values .= ',?';
414	1		$bindings[] = $value; // INFO: do not escape non selected data
415			}
416			}
417			}
418
419	1		$insert_keys = ltrim($insert_keys, ',');
420	1		$insert_values = ltrim($insert_values, ',');
421
422			// insert the "copied" row
423	1		$new_query = 'INSERT INTO ' . $databaseName . $dbConnection->quote_string($table) . '
424	1		(' . $insert_keys . ')
425			VALUES
426	1		(' . $insert_values . ')
427			';
428
429	1		return $dbConnection->query($new_query, $bindings);
430			}
431			}
432
433			return false;
434			}
435			}
436

voku / simple-mysqli

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Helper::get_mysql_client_version() A

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