Repository::injectProperty() - Code Metrics - Inspection of "refactoring all database" - Wandu/Framework - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 8eb315...5aaba6 )

by Changwan

created 2017-06-15 06:46 UTC

Repository::injectProperty() A

↳ Parent: Repository

Complexity

Conditions	1
Paths	1

Size

Total Lines	5
Code Lines	3

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	4
CRAP Score	1

Importance

Changes

Metric	Value
cc	1
eloc	3
nc	1
nop	3
dl	0
loc	5
ccs	4
cts	4
cp	1
crap	1
rs	9.4285
c	0
b	0
f	0

<?php
namespace Wandu\Database;

use InvalidArgumentException;
use ReflectionClass;
use ReflectionProperty;
use Wandu\Caster\CastManagerInterface;
use Wandu\Collection\ArrayList;
use Wandu\Collection\Contracts\ListInterface;
use Wandu\Database\Contracts\Connection;
use Wandu\Database\Contracts\QueryInterface;
use Wandu\Database\Entity\Metadata;
use Wandu\Database\Exception\EntityNotFoundException;
use Wandu\Database\Query\SelectQuery;

class Repository
{
    /** @var \Wandu\Database\Contracts\Connection */
    protected $connection;
    
    /** @var \Wandu\Database\Entity\Metadata */
    protected $meta;
    
    /** @var \Wandu\Caster\CastManagerInterface */
    protected $caster;
    
    /** @var \Wandu\Database\QueryBuilder */
    protected $queryBuilder;
    
    /** @var \ReflectionClass */
    protected $reflClass;
    
    /** @var \ReflectionProperty[] */
    protected $refProperties = [];
    
    /** @var array */
    protected static $entityCache = [];
    
    public function __construct(Connection $connection, QueryBuilder $queryBuilder, Metadata $meta, Configuration $config)
    {
        $this->connection = $connection;
        $this->caster = $config->getCaster();
        $this->queryBuilder = $queryBuilder;
        $this->meta = $meta;
    }

    /**
     * @param string|callable|\Wandu\Database\Contracts\QueryInterface $query
     * @param array $bindings
     * @return \Generator
     */
    public function fetch($query = null, array $bindings = [])
    {
        foreach ($this->connection->fetch(...$this->normalizeSelectQuery($query, $bindings)) as $row) {
function acceptsInteger($int) { }

$x = '123'; // string "123"

// Instead of
acceptsInteger($x);

// we recommend to use
acceptsInteger((integer) $x);
            yield $this->hydrate($row);
        }
    }

    /**
     * @param string|callable|\Wandu\Database\Contracts\QueryInterface $query
     * @param array $bindings
     * @return \Wandu\Collection\Contracts\ListInterface
     */
    public function all($query = null, array $bindings = []): ListInterface
    {
        return new ArrayList($this->fetch($query, $bindings));
    }

    /**
     * @param string|callable|\Wandu\Database\Contracts\QueryInterface $query
     * @param array $bindings
     * @return ?object

     */
    public function first($query = null, array $bindings = [])
    {
        $entity = $this->connection->first(...$this->normalizeSelectQuery($query, $bindings));
function acceptsInteger($int) { }

$x = '123'; // string "123"

// Instead of
acceptsInteger($x);

// we recommend to use
acceptsInteger((integer) $x);
        if ($entity) {

            return $this->hydrate($entity);
        }
    }

    /**
     * @param string|callable|\Wandu\Database\Contracts\QueryInterface $query
     * @param array $bindings
     * @return object
     * @throws \Wandu\Database\Exception\EntityNotFoundException
     */
    public function firstOrFail($query = null, array $bindings = [])
    {
        if ($entity = $this->first($query, $bindings)) {
            return $entity;
        }
        throw new EntityNotFoundException();
    }

    /**
     * @param string|int $identifier
     * @return object
     */
    public function find($identifier)
    {
        return $this->first(function (SelectQuery $select) use ($identifier) {
            return $select->where($this->meta->getPrimaryKey(), $identifier);
        });
    }

    /**
     * @param string|int $identifier
     * @return object
     * @throws \Wandu\Database\Exception\EntityNotFoundException
     */
    public function findOrFail($identifier)
    {
        return $this->firstOrFail(function (SelectQuery $select) use ($identifier) {
            return $select->where($this->meta->getPrimaryKey(), $identifier);
        });
    }

    /**
     * @param array $identifiers
     * @return \Wandu\Collection\Contracts\ListInterface
     */
    public function findMany(array $identifiers = []): ListInterface
    {
        return $this->all(function (SelectQuery $select) use ($identifiers) {
            return $select->where($this->meta->getPrimaryKey(), 'IN', $identifiers);
function acceptsInteger($int) { }

$x = '123'; // string "123"

// Instead of
acceptsInteger($x);

// we recommend to use
acceptsInteger((integer) $x);
        });
    }

    /**
     * @param object $entity
     * @return int
     */
    public function persist($entity)
    {
        $this->assertIsInstance($entity, __METHOD__);
        $identifier = $this->getIdentifier($entity);
        if ($identifier) {
            return $this->executeUpdate($entity);
        }
        return $this->executeInsert($entity);
    }

    /**
     * @param object $entity
     * @return int
     */
    protected function executeInsert($entity)
    {
        $primaryKey = $this->meta->getPrimaryKey();
        $primaryProperty = null;
        $columns = $this->meta->getColumns();
        $attributesToStore = [];
        foreach ($columns as $propertyName => $column) {
            if ($primaryKey === $column->name) {
                $primaryProperty = $propertyName;
                continue;
            }
            $attributesToStore[$column->name] = $this->pickProperty($this->getPropertyReflection($propertyName), $entity);
        }
        $rowAffected = $this->query($this->queryBuilder->insert($attributesToStore));
        if ($this->meta->isIncrements()) {
            $lastInsertId = $this->connection->getLastInsertId();
            if ($primaryProperty) {
0   == false // true
0   == null  // true
123 == false // false
123 == null  // false

// It is often better to use strict comparison
0 === false // false
0 === null  // false
                $this->injectProperty($this->getPropertyReflection($primaryProperty), $entity, $lastInsertId);
            }
        }
        return $rowAffected;
    }

    /**
     * @param object $entity
     * @return int
     */
    protected function executeUpdate($entity)
    {
        $primaryKey = $this->meta->getPrimaryKey(); 

        $identifier = $this->getIdentifier($entity);
        $attributesToStore = [];
        foreach ($this->meta->getColumns() as $propertyName => $column) {
            if ($primaryKey === $column->name) continue;
            $attributesToStore[$column->name] = $this->pickProperty($this->getPropertyReflection($propertyName), $entity);
        }

        return $this->query(
            $this->queryBuilder->update($attributesToStore)->where($primaryKey, $identifier)
        );
    }

    /**
     * @param object $entity
     * @return int
     */
    public function delete($entity)
    {
        $this->assertIsInstance($entity, __METHOD__);
        
        $primaryKey = $this->meta->getPrimaryKey();
        $identifier = $this->getIdentifier($entity);
        if (!$identifier) {
            return 0;
        }

        $affectedRows = $this->query($this->queryBuilder->delete()->where($primaryKey, $identifier));
        if ($identifierProperty = $this->meta->getPrimaryProperty()) {
            $this->injectProperty($this->getPropertyReflection($identifierProperty), $entity, null);
        }
        return $affectedRows;
    }

    /**
     * @param string|callable|\Wandu\Database\Contracts\QueryInterface $query
     * @param array $bindings
     * @return int
     */
    protected function query($query, array $bindings = [])
    {
        while (is_callable($query)) {
            $query = call_user_func($query);
        }
        if ($query instanceof QueryInterface) {
            $bindings = $query->getBindings();
            $query = $query->toSql();
        }
        return $this->connection->query($query, $bindings);
    }

    /**
     * @param array $attributes
     * @return object
     */
    public function hydrate(array $attributes = null)
    {
        if (!$attributes) {
            return null;
        }
        $entityCacheId = $this->meta->getClass() . '#' . $attributes[$this->meta->getPrimaryKey()];
        if (isset(static::$entityCache[$entityCacheId])) return static::$entityCache[$entityCacheId];

        $casts = $this->meta->getCasts();
        $relations = $this->meta->getRelations();
        $entity = $this->getClassReflection()->newInstanceWithoutConstructor();

        static::$entityCache[$entityCacheId] = $entity;

        foreach ($this->meta->getColumns() as $propertyName => $column) {
            if (!isset($attributes[$column->name])) continue;
            if (isset($relations[$propertyName])) {
if (rand(1, 6) > 3) {
//print "Check failed";
} else {
    print "Check succeeded";
}
//                $value = $relations[$propertyName]->getRelation($this->manager, $attributes[$column->name]);

            } elseif (isset($casts[$propertyName])) {
                $value = $this->caster->cast($attributes[$column->name], $casts[$propertyName]->type);
            } else {
                $value = $attributes[$column->name];
            }
            $this->injectProperty($this->getPropertyReflection($propertyName), $entity, $value);
function myFunction($a) {
    switch ($a) {
        case 'foo':
            $x = 1;
            break;

        case 'bar':
            $x = 2;
            break;
    }

    // $x is potentially undefined here.
    echo $x;
}
        }

        unset(static::$entityCache[$entityCacheId]);
        return $entity;
    }

    /**
     * @param mixed $entity
     * @return string|int
     */
    private function getIdentifier($entity)
    {
        $identifier = null;
        if ($identifierProperty = $this->meta->getPrimaryProperty()) {
            $identifier = $this->pickProperty($this->getPropertyReflection($identifierProperty), $entity);
        }
        return $identifier;
    }
    
    private function normalizeSelectQuery($query = null, array $bindings = [])
    {
        if (!isset($query) || is_callable($query)) {
            $connection = $this->connection;
            $queryBuilder = $this->queryBuilder->select();
            if (!isset($query)) {
                return $queryBuilder;
            }
            while (is_callable($query)) {
                $query = call_user_func($query, $queryBuilder, $connection);
            }
        }
        if ($query instanceof QueryInterface) {
            $bindings = $query->getBindings();
            $query = $query->toSql();
        }
        return [$query, $bindings];
    }
    
    /**
     * @param \ReflectionProperty $property
     * @param object $object
     * @param mixed $target
     */
    private function injectProperty(ReflectionProperty $property, $object, $target)
    {
        $property->setAccessible(true);
        $property->setValue($object, $target);
    }

    /**
     * @param \ReflectionProperty $property
     * @param object $object
     * @return mixed
     */
    private function pickProperty(ReflectionProperty $property, $object)
    {
        $property->setAccessible(true);
        return $property->getValue($object);
    }

    /**
     * @param string $name
     * @return \ReflectionProperty
     */
    private function getPropertyReflection($name): ReflectionProperty
    {
        if (!isset($this->refProperties[$name])) {
            return $this->refProperties[$name] = $this->getClassReflection()->getProperty($name);
        }
        return $this->refProperties[$name];
    }

    /**
     * @return \ReflectionClass
     */
    private function getClassReflection(): ReflectionClass
    {
        if (!isset($this->reflClass)) {
            return $this->reflClass = new ReflectionClass($this->meta->getClass());
        }
        return $this->reflClass;
    }

    /**
     * @param mixed $entity
     * @param string $method
     */
    private function assertIsInstance($entity, $method)
    {
        $class = $this->meta->getClass();
        if (!$entity instanceof $class) {
            throw new InvalidArgumentException(
                "Argument 1 passed to {$method}() must be of the type " . $class
            );
        }
    }
}


1		<?php
2		namespace Wandu\Database;
3
4		use InvalidArgumentException;
5		use ReflectionClass;
6		use ReflectionProperty;
7		use Wandu\Caster\CastManagerInterface;
8		use Wandu\Collection\ArrayList;
9		use Wandu\Collection\Contracts\ListInterface;
10		use Wandu\Database\Contracts\Connection;
11		use Wandu\Database\Contracts\QueryInterface;
12		use Wandu\Database\Entity\Metadata;
13		use Wandu\Database\Exception\EntityNotFoundException;
14		use Wandu\Database\Query\SelectQuery;
15
16		class Repository
17		{
18		/** @var \Wandu\Database\Contracts\Connection */
19		protected $connection;
20
21		/** @var \Wandu\Database\Entity\Metadata */
22		protected $meta;
23
24		/** @var \Wandu\Caster\CastManagerInterface */
25		protected $caster;
26
27		/** @var \Wandu\Database\QueryBuilder */
28		protected $queryBuilder;
29
30		/** @var \ReflectionClass */
31		protected $reflClass;
32
33		/** @var \ReflectionProperty[] */
34		protected $refProperties = [];
35
36		/** @var array */
37		protected static $entityCache = [];
38
39	12	public function __construct(Connection $connection, QueryBuilder $queryBuilder, Metadata $meta, Configuration $config)
40		{
41	12	$this->connection = $connection;
42	12	$this->caster = $config->getCaster();
43	12	$this->queryBuilder = $queryBuilder;
44	12	$this->meta = $meta;
45	12	}
46
47		/**
48		* @param string\|callable\|\Wandu\Database\Contracts\QueryInterface $query
49		* @param array $bindings
50		* @return \Generator
51		*/
52	5	public function fetch($query = null, array $bindings = [])
53		{
54	5	foreach ($this->connection->fetch(...$this->normalizeSelectQuery($query, $bindings)) as $row) {
		0 ignored issues – show Documentation introduced 2017-06-15 06:50 UTC by Report Bug Copy Issue Report `$this->normalizeSelectQuery($query, $bindings)` is of type `object<Wandu\Database\Qu...,{"0":"*","1":"array"}>`, but the function expects a `string`. It seems like the type of the argument is not accepted by the function/method which you are calling. In some cases, in particular if PHP’s automatic type-juggling kicks in this might be fine. In other cases, however this might be a bug. We suggest to add an explicit type cast like in the following example: function acceptsInteger($int) { } $x = '123'; // string "123" // Instead of acceptsInteger($x); // we recommend to use acceptsInteger((integer) $x); Loading history...
55	5	yield $this->hydrate($row);
56		}
57	5	}
58
59		/**
60		* @param string\|callable\|\Wandu\Database\Contracts\QueryInterface $query
61		* @param array $bindings
62		* @return \Wandu\Collection\Contracts\ListInterface
63		*/
64		public function all($query = null, array $bindings = []): ListInterface
65		{
66		return new ArrayList($this->fetch($query, $bindings));
67		}
68
69		/**
70		* @param string\|callable\|\Wandu\Database\Contracts\QueryInterface $query
71		* @param array $bindings
72		* @return ?object
		0 ignored issues – show Documentation introduced 2017-06-15 06:50 UTC by Report Bug Copy Issue Report The doc-type `?object` could not be parsed: Unknown type name "?object" at position 0. (view supported doc-types) This check marks PHPDoc comments that could not be parsed by our parser. To see which comment annotations we can parse, please refer to our documentation on supported doc-types. Loading history...
73		*/
74	7	public function first($query = null, array $bindings = [])
75		{
76	7	$entity = $this->connection->first(...$this->normalizeSelectQuery($query, $bindings));
		0 ignored issues – show Documentation introduced 2017-06-15 06:50 UTC by Report Bug Copy Issue Report `$this->normalizeSelectQuery($query, $bindings)` is of type `object<Wandu\Database\Qu...,{"0":"*","1":"array"}>`, but the function expects a `string`. It seems like the type of the argument is not accepted by the function/method which you are calling. In some cases, in particular if PHP’s automatic type-juggling kicks in this might be fine. In other cases, however this might be a bug. We suggest to add an explicit type cast like in the following example: function acceptsInteger($int) { } $x = '123'; // string "123" // Instead of acceptsInteger($x); // we recommend to use acceptsInteger((integer) $x); Loading history...
77	7	if ($entity) {
		0 ignored issues – show Bug Best Practice introduced 2017-06-15 06:50 UTC by Report Bug Copy Issue Report The expression `$entity` of type `array` is implicitly converted to a boolean; are you sure this is intended? If so, consider using `! empty($expr)` instead to make it clear that you intend to check for an array without elements. This check marks implicit conversions of arrays to boolean values in a comparison. While in PHP an empty array is considered to be equal (but not identical) to false, this is not always apparent. Consider making the comparison explicit by using `empty(..)` or `! empty(...)` instead. Loading history...
78	7	return $this->hydrate($entity);
79		}
80	1	}
81
82		/**
83		* @param string\|callable\|\Wandu\Database\Contracts\QueryInterface $query
84		* @param array $bindings
85		* @return object
86		* @throws \Wandu\Database\Exception\EntityNotFoundException
87		*/
88		public function firstOrFail($query = null, array $bindings = [])
89		{
90		if ($entity = $this->first($query, $bindings)) {
91		return $entity;
92		}
93		throw new EntityNotFoundException();
94		}
95
96		/**
97		* @param string\|int $identifier
98		* @return object
99		*/
100	1	public function find($identifier)
101		{
102		return $this->first(function (SelectQuery $select) use ($identifier) {
103	1	return $select->where($this->meta->getPrimaryKey(), $identifier);
104	1	});
105		}
106
107		/**
108		* @param string\|int $identifier
109		* @return object
110		* @throws \Wandu\Database\Exception\EntityNotFoundException
111		*/
112		public function findOrFail($identifier)
113		{
114		return $this->firstOrFail(function (SelectQuery $select) use ($identifier) {
115		return $select->where($this->meta->getPrimaryKey(), $identifier);
116		});
117		}
118
119		/**
120		* @param array $identifiers
121		* @return \Wandu\Collection\Contracts\ListInterface
122		*/
123		public function findMany(array $identifiers = []): ListInterface
124		{
125		return $this->all(function (SelectQuery $select) use ($identifiers) {
126		return $select->where($this->meta->getPrimaryKey(), 'IN', $identifiers);
		0 ignored issues – show Documentation introduced 2017-04-15 02:37 UTC by Report Bug Copy Issue Report `$identifiers` is of type `array`, but the function expects a `string\|null`. It seems like the type of the argument is not accepted by the function/method which you are calling. In some cases, in particular if PHP’s automatic type-juggling kicks in this might be fine. In other cases, however this might be a bug. We suggest to add an explicit type cast like in the following example: function acceptsInteger($int) { } $x = '123'; // string "123" // Instead of acceptsInteger($x); // we recommend to use acceptsInteger((integer) $x); Loading history...
127		});
128		}
129
130		/**
131		* @param object $entity
132		* @return int
133		*/
134	2	public function persist($entity)
135		{
136	2	$this->assertIsInstance($entity, __METHOD__);
137	2	$identifier = $this->getIdentifier($entity);
138	2	if ($identifier) {
139	1	return $this->executeUpdate($entity);
140		}
141	1	return $this->executeInsert($entity);
142		}
143
144		/**
145		* @param object $entity
146		* @return int
147		*/
148	1	protected function executeInsert($entity)
149		{
150	1	$primaryKey = $this->meta->getPrimaryKey();
151	1	$primaryProperty = null;
152	1	$columns = $this->meta->getColumns();
153	1	$attributesToStore = [];
154	1	foreach ($columns as $propertyName => $column) {
155	1	if ($primaryKey === $column->name) {
156	1	$primaryProperty = $propertyName;
157	1	continue;
158		}
159	1	$attributesToStore[$column->name] = $this->pickProperty($this->getPropertyReflection($propertyName), $entity);
160		}
161	1	$rowAffected = $this->query($this->queryBuilder->insert($attributesToStore));
162	1	if ($this->meta->isIncrements()) {
163	1	$lastInsertId = $this->connection->getLastInsertId();
164	1	if ($primaryProperty) {
		0 ignored issues – show Bug Best Practice introduced 2017-04-15 02:37 UTC by Report Bug Copy Issue Report The expression `$primaryProperty` of type `null\|integer` is loosely compared to `true`; this is ambiguous if the integer can be zero. 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 `integer` values, zero is a special case, in particular the following results might be unexpected: 0 == false // true 0 == null // true 123 == false // false 123 == null // false // It is often better to use strict comparison 0 === false // false 0 === null // false Loading history...
165	1	$this->injectProperty($this->getPropertyReflection($primaryProperty), $entity, $lastInsertId);
166		}
167		}
168	1	return $rowAffected;
169		}
170
171		/**
172		* @param object $entity
173		* @return int
174		*/
175	1	protected function executeUpdate($entity)
176		{
177	1	$primaryKey = $this->meta->getPrimaryKey();
178
179	1	$identifier = $this->getIdentifier($entity);
180	1	$attributesToStore = [];
181	1	foreach ($this->meta->getColumns() as $propertyName => $column) {
182	1	if ($primaryKey === $column->name) continue;
183	1	$attributesToStore[$column->name] = $this->pickProperty($this->getPropertyReflection($propertyName), $entity);
184		}
185
186	1	return $this->query(
187	1	$this->queryBuilder->update($attributesToStore)->where($primaryKey, $identifier)
188		);
189		}
190
191		/**
192		* @param object $entity
193		* @return int
194		*/
195	1	public function delete($entity)
196		{
197	1	$this->assertIsInstance($entity, __METHOD__);
198
199	1	$primaryKey = $this->meta->getPrimaryKey();
200	1	$identifier = $this->getIdentifier($entity);
201	1	if (!$identifier) {
202	1	return 0;
203		}
204
205	1	$affectedRows = $this->query($this->queryBuilder->delete()->where($primaryKey, $identifier));
206	1	if ($identifierProperty = $this->meta->getPrimaryProperty()) {
207	1	$this->injectProperty($this->getPropertyReflection($identifierProperty), $entity, null);
208		}
209	1	return $affectedRows;
210		}
211
212		/**
213		* @param string\|callable\|\Wandu\Database\Contracts\QueryInterface $query
214		* @param array $bindings
215		* @return int
216		*/
217	2	protected function query($query, array $bindings = [])
218		{
219	2	while (is_callable($query)) {
220		$query = call_user_func($query);
221		}
222	2	if ($query instanceof QueryInterface) {
223	2	$bindings = $query->getBindings();
224	2	$query = $query->toSql();
225		}
226	2	return $this->connection->query($query, $bindings);
227		}
228
229		/**
230		* @param array $attributes
231		* @return object
232		*/
233	11	public function hydrate(array $attributes = null)
234		{
235	11	if (!$attributes) {
236		return null;
237		}
238	11	$entityCacheId = $this->meta->getClass() . '#' . $attributes[$this->meta->getPrimaryKey()];
239	11	if (isset(static::$entityCache[$entityCacheId])) return static::$entityCache[$entityCacheId];
240
241	11	$casts = $this->meta->getCasts();
242	11	$relations = $this->meta->getRelations();
243	11	$entity = $this->getClassReflection()->newInstanceWithoutConstructor();
244
245	11	static::$entityCache[$entityCacheId] = $entity;
246
247	11	foreach ($this->meta->getColumns() as $propertyName => $column) {
248	11	if (!isset($attributes[$column->name])) continue;
249	11	if (isset($relations[$propertyName])) {
		0 ignored issues – show Unused Code introduced 2017-06-15 06:50 UTC by Report Bug Copy Issue Report This `if` statement is empty and can be removed. This check looks for the bodies of `if` statements that have no statements or where all statements have been commented out. This may be the result of changes for debugging or the code may simply be obsolete. These `if` bodies can be removed. If you have an empty if but statements in the `else` branch, consider inverting the condition. if (rand(1, 6) > 3) { //print "Check failed"; } else { print "Check succeeded"; } could be turned into if (rand(1, 6) <= 3) { print "Check succeeded"; } This is much more concise to read. Loading history...
250		// $value = $relations[$propertyName]->getRelation($this->manager, $attributes[$column->name]);
		0 ignored issues – show Unused Code Comprehensibility introduced 2017-06-15 06:50 UTC by Report Bug Copy Issue Report `68%` of this comment could be valid code. Did you maybe forget this after debugging? Sometimes obsolete code just ends up commented out instead of removed. In this case it is better to remove the code once you have checked you do not need it. The code might also have been commented out for debugging purposes. In this case it is vital that someone uncomments it again or your project may behave in very unexpected ways in production. This check looks for comments that seem to be mostly valid code and reports them. Loading history...
251	11	} elseif (isset($casts[$propertyName])) {
252	11	$value = $this->caster->cast($attributes[$column->name], $casts[$propertyName]->type);
253		} else {
254	11	$value = $attributes[$column->name];
255		}
256	11	$this->injectProperty($this->getPropertyReflection($propertyName), $entity, $value);
		0 ignored issues – show Bug introduced 2017-06-15 06:50 UTC by Report Bug Copy Issue Report The variable `$value` does not seem to be defined for all execution paths leading up to this point. If you define a variable conditionally, it can happen that it is not defined for all execution paths. Let’s take a look at an example: function myFunction($a) { switch ($a) { case 'foo': $x = 1; break; case 'bar': $x = 2; break; } // $x is potentially undefined here. echo $x; } In the above example, the variable `$x` is defined if you pass “foo” or “bar” as argument for `$a`. However, since the `switch` statement has no default case statement, if you pass any other value, the variable `$x` would be undefined. Available Fixes Check for existence of the variable explicitly: function myFunction($a) { switch ($a) { case 'foo': $x = 1; break; case 'bar': $x = 2; break; } if (isset($x)) { // Make sure it's always set. echo $x; } } Define a default value for the variable: function myFunction($a) { $x = ''; // Set a default which gets overridden for certain paths. switch ($a) { case 'foo': $x = 1; break; case 'bar': $x = 2; break; } echo $x; } Add a value for the missing path: function myFunction($a) { switch ($a) { case 'foo': $x = 1; break; case 'bar': $x = 2; break; // We add support for the missing case. default: $x = ''; break; } echo $x; } Loading history...
257		}
258
259	11	unset(static::$entityCache[$entityCacheId]);
260	11	return $entity;
261		}
262
263		/**
264		* @param mixed $entity
265		* @return string\|int
266		*/
267	2	private function getIdentifier($entity)
268		{
269	2	$identifier = null;
270	2	if ($identifierProperty = $this->meta->getPrimaryProperty()) {
271	2	$identifier = $this->pickProperty($this->getPropertyReflection($identifierProperty), $entity);
272		}
273	2	return $identifier;
274		}
275
276	11	private function normalizeSelectQuery($query = null, array $bindings = [])
277		{
278	11	if (!isset($query) \|\| is_callable($query)) {
279	6	$connection = $this->connection;
280	6	$queryBuilder = $this->queryBuilder->select();
281	6	if (!isset($query)) {
282		return $queryBuilder;
283		}
284	6	while (is_callable($query)) {
285	6	$query = call_user_func($query, $queryBuilder, $connection);
286		}
287		}
288	11	if ($query instanceof QueryInterface) {
289	6	$bindings = $query->getBindings();
290	6	$query = $query->toSql();
291		}
292	11	return [$query, $bindings];
293		}
294
295		/**
296		* @param \ReflectionProperty $property
297		* @param object $object
298		* @param mixed $target
299		*/
300	12	private function injectProperty(ReflectionProperty $property, $object, $target)
301		{
302	12	$property->setAccessible(true);
303	12	$property->setValue($object, $target);
304	12	}
305
306		/**
307		* @param \ReflectionProperty $property
308		* @param object $object
309		* @return mixed
310		*/
311	2	private function pickProperty(ReflectionProperty $property, $object)
312		{
313	2	$property->setAccessible(true);
314	2	return $property->getValue($object);
315		}
316
317		/**
318		* @param string $name
319		* @return \ReflectionProperty
320		*/
321	12	private function getPropertyReflection($name): ReflectionProperty
322		{
323	12	if (!isset($this->refProperties[$name])) {
324	12	return $this->refProperties[$name] = $this->getClassReflection()->getProperty($name);
325		}
326	7	return $this->refProperties[$name];
327		}
328
329		/**
330		* @return \ReflectionClass
331		*/
332	12	private function getClassReflection(): ReflectionClass
333		{
334	12	if (!isset($this->reflClass)) {
335	12	return $this->reflClass = new ReflectionClass($this->meta->getClass());
336		}
337	12	return $this->reflClass;
338		}
339
340		/**
341		* @param mixed $entity
342		* @param string $method
343		*/
344	2	private function assertIsInstance($entity, $method)
345		{
346	2	$class = $this->meta->getClass();
347	2	if (!$entity instanceof $class) {
348	2	throw new InvalidArgumentException(
349	2	"Argument 1 passed to {$method}() must be of the type " . $class
350		);
351		}
352	2	}
353		}
354

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