|
1
|
|
|
<?php |
|
2
|
|
|
namespace ConstructNamedParameters; |
|
3
|
|
|
|
|
4
|
|
|
abstract class Builder |
|
5
|
|
|
{ |
|
6
|
|
|
/** |
|
7
|
|
|
* Retrive by reflection the constructor arguments from a class. |
|
8
|
|
|
* The information is statically stored in the function so call two times |
|
9
|
|
|
* the same class will only run one Reflection |
|
10
|
|
|
* |
|
11
|
|
|
* The array is a map of keys as the name of the parameter and value as the |
|
12
|
|
|
* default value (if any) of the parameter. |
|
13
|
|
|
* |
|
14
|
|
|
* The constructor (int $value, array $data = [], $type = 5) returns: |
|
15
|
|
|
* [ |
|
16
|
|
|
* 'value' => null, |
|
17
|
|
|
* 'data' => [], |
|
18
|
|
|
* 'type' => 5 |
|
19
|
|
|
* ] |
|
20
|
|
|
* |
|
21
|
|
|
* @param string $className |
|
22
|
|
|
* |
|
23
|
|
|
* @return array |
|
24
|
|
|
*/ |
|
25
|
15 |
|
public static function retrieveArguments($className) |
|
26
|
|
|
{ |
|
27
|
15 |
|
static $cache = []; |
|
28
|
|
|
|
|
29
|
15 |
|
if (! array_key_exists($className, $cache)) { |
|
30
|
5 |
|
$reflection = new \ReflectionClass($className); |
|
31
|
4 |
|
$constructor = $reflection->getConstructor(); |
|
32
|
4 |
|
$parameters = $constructor->getParameters(); |
|
33
|
4 |
|
$buildArgs = []; |
|
34
|
4 |
|
foreach ($parameters as $parameter) { |
|
35
|
4 |
|
$buildArgs[$parameter->getName()] = ($parameter->isOptional()) ? $parameter->getDefaultValue() : null; |
|
36
|
|
|
} |
|
37
|
4 |
|
$cache[$className] = $buildArgs; |
|
38
|
|
|
} |
|
39
|
|
|
|
|
40
|
14 |
|
return $cache[$className]; |
|
41
|
|
|
} |
|
42
|
|
|
|
|
43
|
|
|
/** |
|
44
|
|
|
* Create an instance of a class using the given named parameters |
|
45
|
|
|
* |
|
46
|
|
|
* @param string $classname |
|
47
|
|
|
* @param array $values |
|
48
|
|
|
* @param array $parameters |
|
49
|
|
|
* |
|
50
|
|
|
* @return object |
|
51
|
|
|
*/ |
|
52
|
11 |
|
public static function create($classname, array $values = [], array $parameters = null) |
|
53
|
|
|
{ |
|
54
|
|
|
// get parameters if they were not set |
|
55
|
11 |
|
if (null === $parameters) { |
|
56
|
8 |
|
$parameters = static::retrieveArguments($classname); |
|
57
|
|
|
} |
|
58
|
|
|
// build the arguments based on the parameters list and the values |
|
59
|
11 |
|
$mixed = []; |
|
60
|
11 |
|
foreach ($parameters as $parameter => $defaultValue) { |
|
61
|
11 |
|
$mixed[] = array_key_exists($parameter, $values) ? $values[$parameter] : $defaultValue; |
|
62
|
|
|
} |
|
63
|
|
|
|
|
64
|
11 |
|
return new $classname(...$mixed); |
|
65
|
|
|
} |
|
66
|
|
|
|
|
67
|
|
|
/** |
|
68
|
|
|
* This function is the same as construct_named_parameters but it convert the case of values and parameters |
|
69
|
|
|
* Be aware that a constructor can have two parameters with the same name and different case. |
|
70
|
|
|
* In this situation this function will thow an \InvalidArgumentException |
|
71
|
|
|
* |
|
72
|
|
|
* @see create() |
|
73
|
|
|
* |
|
74
|
|
|
* @param string $classname |
|
75
|
|
|
* @param array $values |
|
76
|
|
|
* @param array|null $parameters |
|
77
|
|
|
* |
|
78
|
|
|
* @return object |
|
79
|
|
|
* |
|
80
|
|
|
* @throws \InvalidArgumentException if the class has two parameters with the same name but different case |
|
81
|
|
|
*/ |
|
82
|
4 |
|
public static function createIgnoreCase($classname, array $values = [], array $parameters = null) |
|
83
|
|
|
{ |
|
84
|
|
|
// get parameters if they were not set |
|
85
|
4 |
|
if (null === $parameters) { |
|
86
|
4 |
|
$parameters = static::retrieveArguments($classname); |
|
87
|
|
|
} |
|
88
|
4 |
|
$originalCount = count($parameters); |
|
89
|
4 |
|
$parameters = array_change_key_case($parameters, CASE_LOWER); |
|
90
|
4 |
|
if (count($parameters) !== $originalCount) { |
|
91
|
1 |
|
throw new \InvalidArgumentException( |
|
92
|
1 |
|
"The class $classname has parameters with the same name but different case" |
|
93
|
|
|
); |
|
94
|
|
|
} |
|
95
|
3 |
|
$values = array_change_key_case($values, CASE_LOWER); |
|
96
|
|
|
|
|
97
|
3 |
|
return static::create($classname, $values, $parameters); |
|
98
|
|
|
} |
|
99
|
|
|
} |
|
100
|
|
|
|
eclipxe13 /
construct-named-parameters
