MySQLi::columns() - Code Metrics - Inspection of "Improved tests for database engines." - nazar-pc/CleverStyle-Framework - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( cc4c1e...2fc59f )

by Nazar

created 2016-07-01 17:21 UTC

MySQLi::columns() B

↳ Parent: MySQLi

Complexity

Conditions	5
Paths	5

Size

Total Lines	12
Code Lines	9

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	8
CRAP Score	5.9256

Importance

Changes

Metric	Value
cc	5
eloc	9
nc	5
nop	2
dl	0
loc	12
ccs	8
cts	12
cp	0.6667
crap	5.9256
rs	8.8571
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 $instance;
	/**
	 * @inheritdoc
	 */
	function __construct ($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) {
		if (!$query) {
			return false;
		}
		$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()
		) {
			$result = $this->instance->query($query);
		}
		return $result;
	}
	/**
	 * @inheritdoc
	 */
	protected function q_multi_internal ($query) {
		$result = true;
		foreach ($query as $q) {
			$result = $result && $this->q_internal($q);
		}
		return $result;
	}
	/**
	 * @inheritdoc
	 *
	 * @param false|mysqli_result $query_result
	 */
	function f ($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
	 */
	function id () {
		return $this->instance->insert_id;
	}
	/**
	 * @inheritdoc
	 */
	function affected () {
		return $this->instance->affected_rows;
	}
	/**
	 * @inheritdoc
	 *
	 * @param false|mysqli_result $query_result
	 */
	function free ($query_result) {
		if ($query_result instanceof mysqli_result) {
			$query_result->free();
		}
		return true;
	}
	/**
	 * @inheritdoc
	 */
	function columns ($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 $columns;
	}
	/**
	 * @inheritdoc
	 */
	function tables ($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
	 */
	function server () {
		return $this->instance->server_info;
	}
	/**
	 * @inheritdoc
	 */
	function __destruct () {
		if ($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 $instance;
17		/**
18		* @inheritdoc
19		*/
20	18	function __construct ($database, $user = '', $password = '', $host = 'localhost', $prefix = '') {
21	18	$start = microtime(true);
22		/**
23		* Parsing of $host variable, detecting port and persistent connection
24		*/
25	18	list($host, $port) = $this->get_host_and_port($host);
26	18	$this->instance = new \MySQLi($host, $user, $password, $database, $port);
27	18	if (!is_object($this->instance) \|\| $this->instance->connect_errno) {
28	1	return;
29		}
30	18	$this->database = $database;
31		/**
32		* Changing DB charset if necessary
33		*/
34	18	if ($this->instance->character_set_name() != 'utf8mb4') {
35	18	$this->instance->set_charset('utf8mb4');
36		}
37	18	$this->connected = true;
38	18	$this->connecting_time = microtime(true) - $start;
39	18	$this->db_type = 'mysql';
40	18	$this->prefix = $prefix;
41	18	}
42		/**
43		* Parse host string into host and port separately
44		*
45		* Understands `p:` prefix for persistent connections
46		*
47		* @param string $host_string
48		*
49		* @return array
50		*/
51	18	protected function get_host_and_port ($host_string) {
52	18	$host = explode(':', $host_string);
53	18	$port = ini_get('mysqli.default_port') ?: 3306;
54	18	switch (count($host)) {
55	18	case 1:
56	18	$host = $host[0];
57	18	break;
58	1	case 2:
59	1	if ($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]:$host[1]";
68		}
69	18	return [$host, $port];
70		}
71		/**
72		* @inheritdoc
73		*
74		* @return false\|mysqli_result
75		*/
76	18	protected function q_internal ($query) {
77	18	if (!$query) {
78	1	return false;
79		}
80	18	$result = $this->instance->query($query);
81		// In case of MySQL Client error - try to fix everything, but only once
82		if (
83	18	!$result &&
84	18	$this->instance->errno >= 2000 &&
85	18	$this->instance->ping()
86		) {
87		$result = $this->instance->query($query);
88		}
89	18	return $result;
90		}
91		/**
92		* @inheritdoc
93		*/
94	5	protected function q_multi_internal ($query) {
95	5	$result = true;
96	5	foreach ($query as $q) {
97	5	$result = $result && $this->q_internal($q);
98		}
99	5	return $result;
100		}
101		/**
102		* @inheritdoc
103		*
104		* @param false\|mysqli_result $query_result
105		*/
106	17	function f ($query_result, $single_column = false, $array = false, $indexed = false) {
107	17	if (!($query_result instanceof mysqli_result)) {
108	1	return false;
109		}
110	17	$result_type = $single_column \|\| $indexed ? MYSQLI_NUM : MYSQLI_ASSOC;
111	17	if ($array) {
112	16	$result = [];
113	16	while ($current = $query_result->fetch_array($result_type)) {
114	16	$result[] = $single_column ? $current[0] : $current;
115		}
116	16	$this->free($query_result);
117	16	return $result;
118		}
119	16	$result = $query_result->fetch_array($result_type);
120	16	if ($result === null) {
121	13	$result = false;
122		}
123	16	return $single_column && $result ? $result[0] : $result;
124		}
125		/**
126		* @inheritdoc
127		*/
128	13	function id () {
129	13	return $this->instance->insert_id;
130		}
131		/**
132		* @inheritdoc
133		*/
134	1	function affected () {
135	1	return $this->instance->affected_rows;
136		}
137		/**
138		* @inheritdoc
139		*
140		* @param false\|mysqli_result $query_result
141		*/
142	16	function free ($query_result) {
143	16	if ($query_result instanceof mysqli_result) {
144	16	$query_result->free();
145		}
146	16	return true;
147		}
148		/**
149		* @inheritdoc
150		*/
151	2	function columns ($table, $like = false) {
152	2	if (!$table) {
153	1	return false;
154		}
155	2	if ($like) {
156	1	$like = $this->s($like);
157	1	$columns = $this->qfas("SHOW COLUMNS FROM `$table` LIKE $like") ?: [];
158		} else {
159	2	$columns = $this->qfas("SHOW COLUMNS FROM `$table`") ?: [];
160		}
161	2	return $columns;
162		}
163		/**
164		* @inheritdoc
165		*/
166	1	function tables ($like = false) {
167	1	if ($like) {
168	1	$like = $this->s($like);
169	1	return $this->qfas("SHOW TABLES FROM `$this->database` LIKE $like") ?: [];
170		} else {
171	1	return $this->qfas("SHOW TABLES FROM `$this->database`") ?: [];
172		}
173		}
174		/**
175		* @inheritdoc
176		*/
177	18	protected function s_internal ($string, $single_quotes_around) {
178	18	$return = $this->instance->real_escape_string($string);
179	18	return $single_quotes_around ? "'$return'" : $return;
180		}
181		/**
182		* @inheritdoc
183		*/
184	1	function server () {
185	1	return $this->instance->server_info;
186		}
187		/**
188		* @inheritdoc
189		*/
190	1	function __destruct () {
191	1	if ($this->connected && is_object($this->instance)) {
192	1	$this->instance->close();
193	1	$this->connected = false;
194		}
195	1	}
196		}
197

nazar-pc / CleverStyle-Framework

Push — master ( cc4c1e...2fc59f )

MySQLi::columns() B

Complexity

Size

Duplication

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Importance

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