MySQLi::q_internal() - Code Metrics - Inspection of "Allow to specify more parameters than needed for p..." - nazar-pc/CleverStyle-Framework - Measure and Improve Code Quality continuously with Scrutinizer

Completed

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by Nazar

created 2016-08-16 22:45 UTC

MySQLi::q_internal() C

↳ Parent: MySQLi

Complexity

Conditions	7
Paths	6

Size

Total Lines	30
Code Lines	20

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	17
CRAP Score	9.49

Importance

Changes

Metric	Value
cc	7
eloc	20
nc	6
nop	2
dl	0
loc	30
ccs	17
cts	27
cp	0.6296
crap	9.49
rs	6.7272
c	0
b	0
f	0

<?php
/**
 * @package   CleverStyle Framework
 * @author    Nazar Mokrynskyi <[email protected]>
 * @copyright Copyright (c) 2011-2016, Nazar Mokrynskyi
 * @license   MIT License, see license.txt
 */
namespace cs\DB;
use
	mysqli_result;

class MySQLi extends _Abstract {
	/**
	 * @var \MySQLi Instance of DB connection
	 */
	protected $instance;
	/**
	 * @inheritdoc
	 */
	public function __construct ($database, $user = '', $password = '', $host = 'localhost', $prefix = '') {
		$start = microtime(true);
		/**
		 * Parsing of $host variable, detecting port and persistent connection
		 */
		list($host, $port) = $this->get_host_and_port($host);
		$this->instance = new \MySQLi($host, $user, $password, $database, $port);
		if (!is_object($this->instance) || $this->instance->connect_errno) {
			return;
		}
		$this->database = $database;
		/**
		 * Changing DB charset if necessary
		 */
		if ($this->instance->character_set_name() != 'utf8mb4') {
			$this->instance->set_charset('utf8mb4');
		}
		$this->connected       = true;
		$this->connecting_time = microtime(true) - $start;
		$this->db_type         = 'mysql';
		$this->prefix          = $prefix;
	}
	/**
	 * Parse host string into host and port separately
	 *
	 * Understands `p:` prefix for persistent connections
	 *
	 * @param string $host_string
	 *
	 * @return array
	 */
	protected function get_host_and_port ($host_string) {
		$host = explode(':', $host_string);
		$port = ini_get('mysqli.default_port') ?: 3306;
		switch (count($host)) {
			case 1:
				$host = $host[0];
				break;
			case 2:
				if ($host[0] == 'p') {
					$host = "$host[0]:$host[1]";
				} else {
					list($host, $port) = $host;
				}
				break;
			case 3:
				$port = $host[2];
				$host = "$host[0]:$host[1]";
		}
		return [$host, $port];
	}
	/**
	 * @inheritdoc
	 *
	 * @return false|mysqli_result
	 */
	protected function q_internal ($query, $parameters = []) {
		if (!$query) {
			return false;
		}
		for ($i = 0; $i < 2; ++$i) {
			if ($parameters) {
				$stmt = $this->instance->prepare($query);
				// Allows to provide more parameters for prepared statements than needed
				$local_parameters = array_slice($parameters, 0, substr_count($query, '?'));
				$stmt->bind_param(
					str_repeat('s', count($local_parameters)),
					...$local_parameters
				);
				$stmt->execute();
				$result = $stmt->get_result();
			} else {
				$result = $this->instance->query($query);
			}
			// In case of MySQL Client error - try to fix everything, but only once
			if (
				$result ||
				$this->instance->errno < 2000 ||
				!$this->instance->ping()
			) {
				break;
			}
		}
		/** @noinspection PhpUndefinedVariableInspection */
		return $result;
	}
	/**
	 * @inheritdoc
	 *
	 * @param false|mysqli_result $query_result
	 */
	public function f ($query_result, $single_column = false, $array = false, $indexed = false) {
		if (!($query_result instanceof mysqli_result)) {
			return false;
		}
		$result_type = $single_column || $indexed ? MYSQLI_NUM : MYSQLI_ASSOC;
		if ($array) {
			$result = [];
			while ($current = $query_result->fetch_array($result_type)) {
				$result[] = $single_column ? $current[0] : $current;
			}
			$this->free($query_result);
			return $result;
		}
		$result = $query_result->fetch_array($result_type);
		if ($result === null) {
			$result = false;
		}
		return $single_column && $result ? $result[0] : $result;
	}
	/**
	 * @inheritdoc
	 */
	public function id () {
		return $this->instance->insert_id;
	}
	/**
	 * @inheritdoc
	 */
	public function affected () {
		return $this->instance->affected_rows;
	}
	/**
	 * @inheritdoc
	 *
	 * @param false|mysqli_result $query_result
	 */
	public function free ($query_result) {
		if ($query_result instanceof mysqli_result) {
			$query_result->free();
		}
		return true;
	}
	/**
	 * @inheritdoc
	 */
	public function columns ($table, $like = false) {
		if (!$table) {
			return false;
		}
		if ($like) {
			$like    = $this->s($like);
			$columns = $this->qfas("SHOW COLUMNS FROM `$table` LIKE $like") ?: [];
		} else {
			$columns = $this->qfas("SHOW COLUMNS FROM `$table`") ?: [];
		}
		return $columns;
	}
	/**
	 * @inheritdoc
	 */
	public function tables ($like = false) {
		if ($like) {
			$like = $this->s($like);
			return $this->qfas("SHOW TABLES FROM `$this->database` LIKE $like") ?: [];
		} else {
			return $this->qfas("SHOW TABLES FROM `$this->database`") ?: [];
		}
	}
	/**
	 * @inheritdoc
	 */
	protected function s_internal ($string, $single_quotes_around) {
		$return = $this->instance->real_escape_string($string);
		return $single_quotes_around ? "'$return'" : $return;
	}
	/**
	 * @inheritdoc
	 */
	public function server () {
		return $this->instance->server_info;
	}
	/**
	 * @inheritdoc
	 */
	public function __destruct () {
		if ($this->connected && is_object($this->instance)) {
			$this->instance->close();
			$this->connected = false;
		}
	}
}


1		<?php
2		/**
3		* @package CleverStyle Framework
4		* @author Nazar Mokrynskyi <[email protected]>
5		* @copyright Copyright (c) 2011-2016, Nazar Mokrynskyi
6		* @license MIT License, see license.txt
7		*/
8		namespace cs\DB;
9		use
10		mysqli_result;
11
12		class MySQLi extends _Abstract {
13		/**
14		* @var \MySQLi Instance of DB connection
15		*/
16		protected $instance;
17		/**
18		* @inheritdoc
19		*/
20	24	public function __construct ($database, $user = '', $password = '', $host = 'localhost', $prefix = '') {
21	24	$start = microtime(true);
22		/**
23		* Parsing of $host variable, detecting port and persistent connection
24		*/
25	24	list($host, $port) = $this->get_host_and_port($host);
26	24	$this->instance = new \MySQLi($host, $user, $password, $database, $port);
27	24	if (!is_object($this->instance) \|\| $this->instance->connect_errno) {
28	1	return;
29		}
30	24	$this->database = $database;
31		/**
32		* Changing DB charset if necessary
33		*/
34	24	if ($this->instance->character_set_name() != 'utf8mb4') {
35	24	$this->instance->set_charset('utf8mb4');
36		}
37	24	$this->connected = true;
38	24	$this->connecting_time = microtime(true) - $start;
39	24	$this->db_type = 'mysql';
40	24	$this->prefix = $prefix;
41	24	}
42		/**
43		* Parse host string into host and port separately
44		*
45		* Understands `p:` prefix for persistent connections
46		*
47		* @param string $host_string
48		*
49		* @return array
50		*/
51	24	protected function get_host_and_port ($host_string) {
52	24	$host = explode(':', $host_string);
53	24	$port = ini_get('mysqli.default_port') ?: 3306;
54	24	switch (count($host)) {
55	24	case 1:
56	24	$host = $host[0];
57	24	break;
58	1	case 2:
59	1	if ($host[0] == 'p') {
60	1	$host = "$host[0]:$host[1]";
61		} else {
62	1	list($host, $port) = $host;
63		}
64	1	break;
65	1	case 3:
66	1	$port = $host[2];
67	1	$host = "$host[0]:$host[1]";
68		}
69	24	return [$host, $port];
70		}
71		/**
72		* @inheritdoc
73		*
74		* @return false\|mysqli_result
75		*/
76	24	protected function q_internal ($query, $parameters = []) {
77	24	if (!$query) {
78	1	return false;
79		}
80	24	for ($i = 0; $i < 2; ++$i) {
81	24	if ($parameters) {
82	1	$stmt = $this->instance->prepare($query);
83		// Allows to provide more parameters for prepared statements than needed
84	1	$local_parameters = array_slice($parameters, 0, substr_count($query, '?'));
85	1	$stmt->bind_param(
86	1	str_repeat('s', count($local_parameters)),
87	1	...$local_parameters
88		);
89	1	$stmt->execute();
90	1	$result = $stmt->get_result();
91		} else {
92	24	$result = $this->instance->query($query);
93		}
94		// In case of MySQL Client error - try to fix everything, but only once
95		if (
96	24	$result \|\|
97		$this->instance->errno < 2000 \|\|
98	24	!$this->instance->ping()
99		) {
100	24	break;
101		}
102		}
103		/** @noinspection PhpUndefinedVariableInspection */
104	24	return $result;
105		}
106		/**
107		* @inheritdoc
108		*
109		* @param false\|mysqli_result $query_result
110		*/
111	23	public function f ($query_result, $single_column = false, $array = false, $indexed = false) {
112	23	if (!($query_result instanceof mysqli_result)) {
113	1	return false;
114		}
115	23	$result_type = $single_column \|\| $indexed ? MYSQLI_NUM : MYSQLI_ASSOC;
116	23	if ($array) {
117	20	$result = [];
118	20	while ($current = $query_result->fetch_array($result_type)) {
119	20	$result[] = $single_column ? $current[0] : $current;
120		}
121	20	$this->free($query_result);
122	20	return $result;
123		}
124	22	$result = $query_result->fetch_array($result_type);
125	22	if ($result === null) {
126	16	$result = false;
127		}
128	22	return $single_column && $result ? $result[0] : $result;
129		}
130		/**
131		* @inheritdoc
132		*/
133	17	public function id () {
134	17	return $this->instance->insert_id;
135		}
136		/**
137		* @inheritdoc
138		*/
139	1	public function affected () {
140	1	return $this->instance->affected_rows;
141		}
142		/**
143		* @inheritdoc
144		*
145		* @param false\|mysqli_result $query_result
146		*/
147	20	public function free ($query_result) {
148	20	if ($query_result instanceof mysqli_result) {
149	20	$query_result->free();
150		}
151	20	return true;
152		}
153		/**
154		* @inheritdoc
155		*/
156	2	public function columns ($table, $like = false) {
157	2	if (!$table) {
158	1	return false;
159		}
160	2	if ($like) {
161	1	$like = $this->s($like);
162	1	$columns = $this->qfas("SHOW COLUMNS FROM `$table` LIKE $like") ?: [];
163		} else {
164	2	$columns = $this->qfas("SHOW COLUMNS FROM `$table`") ?: [];
165		}
166	2	return $columns;
167		}
168		/**
169		* @inheritdoc
170		*/
171	1	public function tables ($like = false) {
172	1	if ($like) {
173	1	$like = $this->s($like);
174	1	return $this->qfas("SHOW TABLES FROM `$this->database` LIKE $like") ?: [];
175		} else {
176	1	return $this->qfas("SHOW TABLES FROM `$this->database`") ?: [];
177		}
178		}
179		/**
180		* @inheritdoc
181		*/
182	24	protected function s_internal ($string, $single_quotes_around) {
183	24	$return = $this->instance->real_escape_string($string);
184	24	return $single_quotes_around ? "'$return'" : $return;
185		}
186		/**
187		* @inheritdoc
188		*/
189	1	public function server () {
190	1	return $this->instance->server_info;
191		}
192		/**
193		* @inheritdoc
194		*/
195	2	public function __destruct () {
196	2	if ($this->connected && is_object($this->instance)) {
197	2	$this->instance->close();
198	2	$this->connected = false;
199		}
200	2	}
201		}
202

nazar-pc / CleverStyle-Framework

Push — master ( fde6a1...7c16b9 )

MySQLi::q_internal() C

Complexity

Size

Duplication

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