MySQL::transaction() - Code Metrics - Inspection of "Merge remote-tracking branch 'origin/master'" - rkrx/php-mysql-query-builder - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 8eb0a3...82107d )

by Ron

created 2018-02-26 10:45 UTC

MySQL::transaction() B

↳ Parent: MySQL

Complexity

Conditions	3
Paths	6

Size

Total Lines	30
Code Lines	23

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
dl	0
loc	30
rs	8.8571
c	0
b	0
f	0
cc	3
eloc	23
nc	6
nop	1

<?php
namespace Kir\MySQL\Databases;

use PDO;
use PDOException;
use RuntimeException;
use UnexpectedValueException;
use Kir\MySQL\Builder;
use Kir\MySQL\Builder\Exception;
use Kir\MySQL\Builder\QueryStatement;
use Kir\MySQL\Database;
use Kir\MySQL\Databases\MySQL\MySQLExceptionInterpreter;
use Kir\MySQL\QueryLogger\QueryLoggers;
use Kir\MySQL\Tools\AliasRegistry;
use Kir\MySQL\Tools\VirtualTables;

/**
 */
class MySQL implements Database {
	/** @var array */
	private static $tableFields = [];
	/** @var PDO */
	private $pdo;
	/** @var bool */
	private $outerTransaction = false;
	/** @var AliasRegistry */
	private $aliasRegistry;
	/** @var int */
	private $transactionLevel = 0;
	/** @var QueryLoggers */
	private $queryLoggers = 0;
	/** @var VirtualTables */
	private $virtualTables = null;
	/** @var MySQLExceptionInterpreter */
	private $exceptionInterpreter = 0;
	/** @var array */
	private $options;
	
	/**
	 * @param PDO $pdo
	 * @param array $options
	 */
	public function __construct(PDO $pdo, array $options = []) {
		if($pdo->getAttribute(PDO::ATTR_ERRMODE) === PDO::ERRMODE_SILENT) {
			$pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
		}
		$this->pdo = $pdo;
		$this->aliasRegistry = new AliasRegistry();
		$this->queryLoggers = new QueryLoggers();
		$this->exceptionInterpreter = new MySQLExceptionInterpreter();
		$defaultOptions = [
			'select-options' => [],
			'insert-options' => [],
			'update-options' => [],
			'delete-options' => [],
		];
		$this->options = array_merge($defaultOptions, $options);
	}

	/**
	 * @return QueryLoggers
	 */
	public function getQueryLoggers() {
		return $this->queryLoggers;
	}

	/**
	 * @return AliasRegistry
	 */
	public function getAliasRegistry() {
		return $this->aliasRegistry;
	}

	/**
	 * @return VirtualTables
	 */
	public function getVirtualTables() {
		if($this->virtualTables === null) {
			$this->virtualTables = new VirtualTables();
		}
		return $this->virtualTables;
	}

	/**
	 * @param string $query
	 * @throws Exception
	 * @return QueryStatement
	 */
	public function query($query) {
		return $this->buildQueryStatement($query, function ($query) {
			$stmt = $this->pdo->query($query);
			return $stmt;
		});
	}

	/**
	 * @param string $query
	 * @throws Exception
	 * @return QueryStatement
	 */
	public function prepare($query) {
		return $this->buildQueryStatement((string) $query, function ($query) {
			$stmt = $this->pdo->prepare($query);
			return $stmt;
		});
	}

	/**
	 * @param string $query
	 * @param array $params
	 * @return int
	 */
	public function exec($query, array $params = []) {
		return $this->exceptionHandler(function () use ($query, $params) {
			$stmt = $this->pdo->prepare($query);
			$timer = microtime(true);
			$stmt->execute($params);
			$this->queryLoggers->log($query, microtime(true) - $timer);
			$result = $stmt->rowCount();
			$stmt->closeCursor();
			return $result;
		});
	}

	/**
	 * @return string
	 */
	public function getLastInsertId() {
		return $this->pdo->lastInsertId();
	}

	/**
	 * @param string $table
	 * @return array
	 */
	public function getTableFields($table) {
		$table = $this->select()->aliasReplacer()->replace($table);
		if(array_key_exists($table, self::$tableFields)) {
			return self::$tableFields[$table];
		}
		$stmt = $this->pdo->query("DESCRIBE {$table}");
		$rows = $stmt->fetchAll(\PDO::FETCH_ASSOC);
		self::$tableFields[$table] = array_map(function ($row) { return $row['Field']; }, $rows);
		$stmt->closeCursor();
		return self::$tableFields[$table];
	}

	/**
	 * @param mixed $expression
	 * @param array $arguments
	 * @return string
	 */
	public function quoteExpression($expression, array $arguments = array()) {
		$index = -1;
		$func = function () use ($arguments, &$index) {
			$index++;
			if(array_key_exists($index, $arguments)) {
				$argument = $arguments[$index];
				$value = $this->quote($argument);
			} elseif(count($arguments) > 0) {
				$args = $arguments;
				$value = array_pop($args);
				$value = $this->quote($value);
			} else {
				$value = 'NULL';
			}
			return $value;
		};
		$result = preg_replace_callback('/(\\?)/', $func, $expression);
		return (string) $result;
	}

	/**
	 * @param mixed $value
	 * @return string
	 */
	public function quote($value) {
		if(is_null($value)) {
			$result = 'NULL';
		} elseif($value instanceof Builder\DBExpr) {
			$result = $value->getExpression();
		} elseif($value instanceof Builder\Select) {
			$result = sprintf('(%s)', (string) $value);
		} elseif(is_array($value)) {
			$result = join(', ', array_map(function ($value) { return $this->quote($value); }, $value));
		} else {
			$result = $this->pdo->quote($value);
		}
		return $result;
	}

	/**
	 * @param string $field
	 * @return string
	 */
	public function quoteField($field) {
		if (is_numeric($field) || !is_string($field)) {
			throw new UnexpectedValueException('Field name is invalid');
		}
		if(strpos($field, '`') !== false) {
			return (string) $field;
		}
		$parts = explode('.', $field);
		return '`'.join('`.`', $parts).'`';
	}

	/**
	 * @param array $fields
	 * @return Builder\RunnableSelect
	 */
	public function select(array $fields = null) {

		$select = array_key_exists('select-factory', $this->options)
			? call_user_func($this->options['select-factory'], $this, $this->options['select-options'])
			: new Builder\RunnableSelect($this, $this->options['select-options']);
		if($fields !== null) {
			$select->fields($fields);
		}
		return $select;
	}

	/**
	 * @param array $fields
	 * @return Builder\RunnableInsert
	 */
	public function insert(array $fields = null) {

		$insert = array_key_exists('insert-factory', $this->options)
			? call_user_func($this->options['insert-factory'], $this, $this->options['insert-options'])
			: new Builder\RunnableInsert($this, $this->options['insert-options']);
		if($fields !== null) {
			$insert->addAll($fields);
		}
		return $insert;
	}

	/**
	 * @param array $fields
	 * @return Builder\RunnableUpdate
	 */
	public function update(array $fields = null) {

		$update = array_key_exists('update-factory', $this->options)
			? call_user_func($this->options['update-factory'], $this, $this->options['update-options'])
			: new Builder\RunnableUpdate($this, $this->options['update-options']);
		if($fields !== null) {
			$update->setAll($fields);
		}
		return $update;
	}

	/**
	 * @return Builder\RunnableDelete
	 */
	public function delete() {
		return array_key_exists('delete-factory', $this->options)
			? call_user_func($this->options['delete-factory'], $this, $this->options['delete-options'])
			: new Builder\RunnableDelete($this, $this->options['delete-options']);
	}

	/**
	 * @return $this
	 */
	public function transactionStart() {
		if((int) $this->transactionLevel === 0) {
			if($this->pdo->inTransaction()) {
				$this->outerTransaction = true;
			} else {
				$this->pdo->beginTransaction();
			}
		}
		$this->transactionLevel++;
		return $this;
	}

	/**
	 * @return $this
	 */
	public function transactionCommit() {
		return $this->transactionEnd(function () {
			$this->pdo->commit();
		});
	}

	/**
	 * @return $this
	 */
	public function transactionRollback() {
		return $this->transactionEnd(function () {
			$this->pdo->rollBack();
		});
	}
	
	/**
	 * @param callable|null $callback
	 * @return mixed
	 */
	public function dryRun($callback = null) {
		if(!$this->pdo->inTransaction()) {
			$this->transactionStart();
			try {
				return call_user_func($callback, $this);
			} finally {
				$this->transactionRollback();
			}
		} else {
			$uniqueId = $this->genUniqueId();
			$this->exec("SAVEPOINT {$uniqueId}");
			try {
				return call_user_func($callback, $this);
			} finally {
				$this->exec("ROLLBACK TO {$uniqueId}");
			}
		}
	}
	
	/**
	 * @param callable|null $callback
	 * @return mixed
	 */
	public function transaction(callable $callback = null) {
		$result = null;
		if(!$this->pdo->inTransaction()) {
			$this->transactionStart();
			try {
				$result = call_user_func($callback, $this);
				$exception = null;
$myVar = 'Value';
$higher = false;

if (rand(1, 6) > 3) {
    $higher = true;
} else {
    $higher = false;
}
				$this->transactionCommit();
			} finally {
				if($this->pdo->inTransaction()) {
					$this->transactionRollback();
				}
			}
		} else {
			$uniqueId = $this->genUniqueId();
			$this->exec("SAVEPOINT {$uniqueId}");
			$finally = function () use ($uniqueId) {
				$this->exec("ROLLBACK TO {$uniqueId}");
			};
			try {
				$result = call_user_func($callback, $this);
				$finally = function () use ($uniqueId) {
					$this->exec("RELEASE SAVEPOINT {$uniqueId}");
				};
			} finally {
				$finally();
			}
		}
		return $result;
	}

	/**
	 * @param callable $fn
	 * @return $this
	 * @throws RuntimeException
	 */
	private function transactionEnd($fn) {
		$this->transactionLevel--;
		if($this->transactionLevel < 0) {
			throw new RuntimeException("Transaction-Nesting-Problem: Trying to invoke commit on a already closed transaction");
		}
		if((int) $this->transactionLevel === 0) {
			if($this->outerTransaction) {
				$this->outerTransaction = false;
			} else {
				call_user_func($fn);
			}
		}
		return $this;
	}

	/**
	 * @param string $query
	 * @param callable $fn
	 * @return QueryStatement
	 * @throws RuntimeException
	 */
	private function buildQueryStatement($query, $fn) {
		$stmt = call_user_func($fn, $query);
		if(!$stmt) {
			throw new RuntimeException("Could not execute statement:\n{$query}");
		}
		$stmtWrapper = new QueryStatement($stmt, $query, $this->exceptionInterpreter, $this->queryLoggers);
		return $stmtWrapper;
	}

	/**
	 * @param callable $fn
	 * @return mixed
	 */
	private function exceptionHandler($fn) {
		try {
			return call_user_func($fn);
		} catch (PDOException $e) {
			$this->exceptionInterpreter->throwMoreConcreteException($e);
		}
		return null;
	}

	/**
	 * @return string
	 */
	private function genUniqueId() {
		// Generate a unique id from a former random-uuid-generator
		return sprintf('ID%04x%04x%04x%04x%04x%04x%04x%04x',
			mt_rand(0, 0xffff),
			mt_rand(0, 0xffff),
			mt_rand(0, 0xffff),
			mt_rand(0, 0x0fff) | 0x4000,
			mt_rand(0, 0x3fff) | 0x8000,
			mt_rand(0, 0xffff),
			mt_rand(0, 0xffff),
			mt_rand(0, 0xffff)
		);
	}
}


1		<?php
2		namespace Kir\MySQL\Databases;
3
4		use PDO;
5		use PDOException;
6		use RuntimeException;
7		use UnexpectedValueException;
8		use Kir\MySQL\Builder;
9		use Kir\MySQL\Builder\Exception;
10		use Kir\MySQL\Builder\QueryStatement;
11		use Kir\MySQL\Database;
12		use Kir\MySQL\Databases\MySQL\MySQLExceptionInterpreter;
13		use Kir\MySQL\QueryLogger\QueryLoggers;
14		use Kir\MySQL\Tools\AliasRegistry;
15		use Kir\MySQL\Tools\VirtualTables;
16
17		/**
18		*/
19		class MySQL implements Database {
20		/** @var array */
21		private static $tableFields = [];
22		/** @var PDO */
23		private $pdo;
24		/** @var bool */
25		private $outerTransaction = false;
26		/** @var AliasRegistry */
27		private $aliasRegistry;
28		/** @var int */
29		private $transactionLevel = 0;
30		/** @var QueryLoggers */
31		private $queryLoggers = 0;
32		/** @var VirtualTables */
33		private $virtualTables = null;
34		/** @var MySQLExceptionInterpreter */
35		private $exceptionInterpreter = 0;
36		/** @var array */
37		private $options;
38
39		/**
40		* @param PDO $pdo
41		* @param array $options
42		*/
43		public function __construct(PDO $pdo, array $options = []) {
44		if($pdo->getAttribute(PDO::ATTR_ERRMODE) === PDO::ERRMODE_SILENT) {
45		$pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
46		}
47		$this->pdo = $pdo;
48		$this->aliasRegistry = new AliasRegistry();
49		$this->queryLoggers = new QueryLoggers();
50		$this->exceptionInterpreter = new MySQLExceptionInterpreter();
51		$defaultOptions = [
52		'select-options' => [],
53		'insert-options' => [],
54		'update-options' => [],
55		'delete-options' => [],
56		];
57		$this->options = array_merge($defaultOptions, $options);
58		}
59
60		/**
61		* @return QueryLoggers
62		*/
63		public function getQueryLoggers() {
64		return $this->queryLoggers;
65		}
66
67		/**
68		* @return AliasRegistry
69		*/
70		public function getAliasRegistry() {
71		return $this->aliasRegistry;
72		}
73
74		/**
75		* @return VirtualTables
76		*/
77		public function getVirtualTables() {
78		if($this->virtualTables === null) {
79		$this->virtualTables = new VirtualTables();
80		}
81		return $this->virtualTables;
82		}
83
84		/**
85		* @param string $query
86		* @throws Exception
87		* @return QueryStatement
88		*/
89		public function query($query) {
90		return $this->buildQueryStatement($query, function ($query) {
91		$stmt = $this->pdo->query($query);
92		return $stmt;
93		});
94		}
95
96		/**
97		* @param string $query
98		* @throws Exception
99		* @return QueryStatement
100		*/
101		public function prepare($query) {
102		return $this->buildQueryStatement((string) $query, function ($query) {
103		$stmt = $this->pdo->prepare($query);
104		return $stmt;
105		});
106		}
107
108		/**
109		* @param string $query
110		* @param array $params
111		* @return int
112		*/
113		public function exec($query, array $params = []) {
114		return $this->exceptionHandler(function () use ($query, $params) {
115		$stmt = $this->pdo->prepare($query);
116		$timer = microtime(true);
117		$stmt->execute($params);
118		$this->queryLoggers->log($query, microtime(true) - $timer);
119		$result = $stmt->rowCount();
120		$stmt->closeCursor();
121		return $result;
122		});
123		}
124
125		/**
126		* @return string
127		*/
128		public function getLastInsertId() {
129		return $this->pdo->lastInsertId();
130		}
131
132		/**
133		* @param string $table
134		* @return array
135		*/
136		public function getTableFields($table) {
137		$table = $this->select()->aliasReplacer()->replace($table);
138		if(array_key_exists($table, self::$tableFields)) {
139		return self::$tableFields[$table];
140		}
141		$stmt = $this->pdo->query("DESCRIBE {$table}");
142		$rows = $stmt->fetchAll(\PDO::FETCH_ASSOC);
143		self::$tableFields[$table] = array_map(function ($row) { return $row['Field']; }, $rows);
144		$stmt->closeCursor();
145		return self::$tableFields[$table];
146		}
147
148		/**
149		* @param mixed $expression
150		* @param array $arguments
151		* @return string
152		*/
153		public function quoteExpression($expression, array $arguments = array()) {
154		$index = -1;
155		$func = function () use ($arguments, &$index) {
156		$index++;
157		if(array_key_exists($index, $arguments)) {
158		$argument = $arguments[$index];
159		$value = $this->quote($argument);
160		} elseif(count($arguments) > 0) {
161		$args = $arguments;
162		$value = array_pop($args);
163		$value = $this->quote($value);
164		} else {
165		$value = 'NULL';
166		}
167		return $value;
168		};
169		$result = preg_replace_callback('/(\\?)/', $func, $expression);
170		return (string) $result;
171		}
172
173		/**
174		* @param mixed $value
175		* @return string
176		*/
177		public function quote($value) {
178		if(is_null($value)) {
179		$result = 'NULL';
180		} elseif($value instanceof Builder\DBExpr) {
181		$result = $value->getExpression();
182		} elseif($value instanceof Builder\Select) {
183		$result = sprintf('(%s)', (string) $value);
184		} elseif(is_array($value)) {
185		$result = join(', ', array_map(function ($value) { return $this->quote($value); }, $value));
186		} else {
187		$result = $this->pdo->quote($value);
188		}
189		return $result;
190		}
191
192		/**
193		* @param string $field
194		* @return string
195		*/
196		public function quoteField($field) {
197		if (is_numeric($field) \|\| !is_string($field)) {
198		throw new UnexpectedValueException('Field name is invalid');
199		}
200		if(strpos($field, '`') !== false) {
201		return (string) $field;
202		}
203		$parts = explode('.', $field);
204		return '`'.join('`.`', $parts).'`';
205		}
206
207		/**
208		* @param array $fields
209		* @return Builder\RunnableSelect
210		*/
211	View Code Duplication	public function select(array $fields = null) {
		0 ignored issues – show Duplication introduced 2017-08-16 09:37 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...
212		$select = array_key_exists('select-factory', $this->options)
213		? call_user_func($this->options['select-factory'], $this, $this->options['select-options'])
214		: new Builder\RunnableSelect($this, $this->options['select-options']);
215		if($fields !== null) {
216		$select->fields($fields);
217		}
218		return $select;
219		}
220
221		/**
222		* @param array $fields
223		* @return Builder\RunnableInsert
224		*/
225	View Code Duplication	public function insert(array $fields = null) {
		0 ignored issues – show Duplication introduced 2017-08-16 09:37 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...
226		$insert = array_key_exists('insert-factory', $this->options)
227		? call_user_func($this->options['insert-factory'], $this, $this->options['insert-options'])
228		: new Builder\RunnableInsert($this, $this->options['insert-options']);
229		if($fields !== null) {
230		$insert->addAll($fields);
231		}
232		return $insert;
233		}
234
235		/**
236		* @param array $fields
237		* @return Builder\RunnableUpdate
238		*/
239	View Code Duplication	public function update(array $fields = null) {
		0 ignored issues – show Duplication introduced 2017-08-16 09:37 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...
240		$update = array_key_exists('update-factory', $this->options)
241		? call_user_func($this->options['update-factory'], $this, $this->options['update-options'])
242		: new Builder\RunnableUpdate($this, $this->options['update-options']);
243		if($fields !== null) {
244		$update->setAll($fields);
245		}
246		return $update;
247		}
248
249		/**
250		* @return Builder\RunnableDelete
251		*/
252		public function delete() {
253		return array_key_exists('delete-factory', $this->options)
254		? call_user_func($this->options['delete-factory'], $this, $this->options['delete-options'])
255		: new Builder\RunnableDelete($this, $this->options['delete-options']);
256		}
257
258		/**
259		* @return $this
260		*/
261		public function transactionStart() {
262		if((int) $this->transactionLevel === 0) {
263		if($this->pdo->inTransaction()) {
264		$this->outerTransaction = true;
265		} else {
266		$this->pdo->beginTransaction();
267		}
268		}
269		$this->transactionLevel++;
270		return $this;
271		}
272
273		/**
274		* @return $this
275		*/
276		public function transactionCommit() {
277		return $this->transactionEnd(function () {
278		$this->pdo->commit();
279		});
280		}
281
282		/**
283		* @return $this
284		*/
285		public function transactionRollback() {
286		return $this->transactionEnd(function () {
287		$this->pdo->rollBack();
288		});
289		}
290
291		/**
292		* @param callable\|null $callback
293		* @return mixed
294		*/
295		public function dryRun($callback = null) {
296		if(!$this->pdo->inTransaction()) {
297		$this->transactionStart();
298		try {
299		return call_user_func($callback, $this);
300		} finally {
301		$this->transactionRollback();
302		}
303		} else {
304		$uniqueId = $this->genUniqueId();
305		$this->exec("SAVEPOINT {$uniqueId}");
306		try {
307		return call_user_func($callback, $this);
308		} finally {
309		$this->exec("ROLLBACK TO {$uniqueId}");
310		}
311		}
312		}
313
314		/**
315		* @param callable\|null $callback
316		* @return mixed
317		*/
318		public function transaction(callable $callback = null) {
319		$result = null;
320		if(!$this->pdo->inTransaction()) {
321		$this->transactionStart();
322		try {
323		$result = call_user_func($callback, $this);
324		$exception = null;
		0 ignored issues – show Unused Code introduced 2018-02-26 10:53 UTC by Report Bug Copy Issue Report `$exception` is not used, you could remove the assignment. This check looks for variable assignements that are either overwritten by other assignments or where the variable is not used subsequently. $myVar = 'Value'; $higher = false; if (rand(1, 6) > 3) { $higher = true; } else { $higher = false; } Both the `$myVar` assignment in line 1 and the `$higher` assignment in line 2 are dead. The first because `$myVar` is never used and the second because `$higher` is always overwritten for every possible time line. Loading history...
325		$this->transactionCommit();
326		} finally {
327		if($this->pdo->inTransaction()) {
328		$this->transactionRollback();
329		}
330		}
331		} else {
332		$uniqueId = $this->genUniqueId();
333		$this->exec("SAVEPOINT {$uniqueId}");
334		$finally = function () use ($uniqueId) {
335		$this->exec("ROLLBACK TO {$uniqueId}");
336		};
337		try {
338		$result = call_user_func($callback, $this);
339		$finally = function () use ($uniqueId) {
340		$this->exec("RELEASE SAVEPOINT {$uniqueId}");
341		};
342		} finally {
343		$finally();
344		}
345		}
346		return $result;
347		}
348
349		/**
350		* @param callable $fn
351		* @return $this
352		* @throws RuntimeException
353		*/
354		private function transactionEnd($fn) {
355		$this->transactionLevel--;
356		if($this->transactionLevel < 0) {
357		throw new RuntimeException("Transaction-Nesting-Problem: Trying to invoke commit on a already closed transaction");
358		}
359		if((int) $this->transactionLevel === 0) {
360		if($this->outerTransaction) {
361		$this->outerTransaction = false;
362		} else {
363		call_user_func($fn);
364		}
365		}
366		return $this;
367		}
368
369		/**
370		* @param string $query
371		* @param callable $fn
372		* @return QueryStatement
373		* @throws RuntimeException
374		*/
375		private function buildQueryStatement($query, $fn) {
376		$stmt = call_user_func($fn, $query);
377		if(!$stmt) {
378		throw new RuntimeException("Could not execute statement:\n{$query}");
379		}
380		$stmtWrapper = new QueryStatement($stmt, $query, $this->exceptionInterpreter, $this->queryLoggers);
381		return $stmtWrapper;
382		}
383
384		/**
385		* @param callable $fn
386		* @return mixed
387		*/
388		private function exceptionHandler($fn) {
389		try {
390		return call_user_func($fn);
391		} catch (PDOException $e) {
392		$this->exceptionInterpreter->throwMoreConcreteException($e);
393		}
394		return null;
395		}
396
397		/**
398		* @return string
399		*/
400		private function genUniqueId() {
401		// Generate a unique id from a former random-uuid-generator
402		return sprintf('ID%04x%04x%04x%04x%04x%04x%04x%04x',
403		mt_rand(0, 0xffff),
404		mt_rand(0, 0xffff),
405		mt_rand(0, 0xffff),
406		mt_rand(0, 0x0fff) \| 0x4000,
407		mt_rand(0, 0x3fff) \| 0x8000,
408		mt_rand(0, 0xffff),
409		mt_rand(0, 0xffff),
410		mt_rand(0, 0xffff)
411		);
412		}
413		}
414

rkrx / php-mysql-query-builder

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MySQL::transaction() B

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