|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
declare(strict_types=1); |
|
4
|
|
|
|
|
5
|
|
|
namespace MartinGeorgiev\Utils; |
|
6
|
|
|
|
|
7
|
|
|
use MartinGeorgiev\Utils\Exception\InvalidArrayFormatException; |
|
8
|
|
|
|
|
9
|
|
|
/** |
|
10
|
|
|
* Handles transformation from PHP values to PostgreSQL values. |
|
11
|
|
|
* |
|
12
|
|
|
* @since 3.0 |
|
13
|
|
|
* |
|
14
|
|
|
* @author Martin Georgiev <[email protected]> |
|
15
|
|
|
*/ |
|
16
|
|
|
class PHPArrayToPostgresValueTransformer |
|
17
|
|
|
{ |
|
18
|
|
|
private const POSTGRESQL_EMPTY_ARRAY = '{}'; |
|
19
|
|
|
|
|
20
|
|
|
/** |
|
21
|
|
|
* Transforms a PHP array to a PostgreSQL text array. |
|
22
|
|
|
* This method supports only single-dimensioned PHP arrays. |
|
23
|
|
|
* This method relays on the default escaping strategy in PostgreSQL (double quotes). |
|
24
|
|
|
* |
|
25
|
|
|
* @throws InvalidArrayFormatException when the input is a multi-dimensional array or has invalid format |
|
26
|
|
|
*/ |
|
27
|
17 |
|
public static function transformToPostgresTextArray(array $phpArray): string |
|
28
|
|
|
{ |
|
29
|
17 |
|
if ($phpArray === []) { |
|
30
|
|
|
return self::POSTGRESQL_EMPTY_ARRAY; |
|
31
|
|
|
} |
|
32
|
|
|
|
|
33
|
17 |
|
if (\array_filter($phpArray, 'is_array')) { |
|
34
|
4 |
|
throw InvalidArrayFormatException::multiDimensionalArrayNotSupported(); |
|
35
|
|
|
} |
|
36
|
|
|
|
|
37
|
|
|
/** @var array<int|string, string> */ |
|
38
|
13 |
|
$processed = \array_map( |
|
39
|
13 |
|
static fn (mixed $value): string => self::formatValue($value), |
|
40
|
13 |
|
$phpArray |
|
41
|
13 |
|
); |
|
42
|
|
|
|
|
43
|
13 |
|
return '{'.\implode(',', $processed).'}'; |
|
44
|
|
|
} |
|
45
|
|
|
|
|
46
|
|
|
/** |
|
47
|
|
|
* Formats a single value for PostgreSQL array. |
|
48
|
|
|
*/ |
|
49
|
13 |
|
private static function formatValue(mixed $value): string |
|
50
|
|
|
{ |
|
51
|
13 |
|
if ($value === null) { |
|
52
|
|
|
return 'NULL'; |
|
53
|
|
|
} |
|
54
|
|
|
|
|
55
|
13 |
|
if (\is_int($value) || \is_float($value)) { |
|
56
|
2 |
|
return (string) $value; |
|
57
|
|
|
} |
|
58
|
|
|
|
|
59
|
12 |
|
if (\is_bool($value)) { |
|
60
|
|
|
return $value ? 'true' : 'false'; |
|
61
|
|
|
} |
|
62
|
|
|
|
|
63
|
12 |
|
if (\is_object($value)) { |
|
64
|
|
|
if (\method_exists($value, '__toString')) { |
|
65
|
|
|
$stringValue = $value->__toString(); |
|
66
|
|
|
} else { |
|
67
|
|
|
// For objects without __toString, use a default representation |
|
68
|
|
|
$stringValue = $value::class; |
|
69
|
|
|
} |
|
70
|
12 |
|
} elseif (\is_resource($value)) { |
|
71
|
1 |
|
$stringValue = '(resource)'; |
|
72
|
|
|
} else { |
|
73
|
11 |
|
$valueType = \get_debug_type($value); |
|
74
|
|
|
|
|
75
|
11 |
|
if ($valueType === 'string') { |
|
76
|
11 |
|
$stringValue = $value; |
|
77
|
|
|
} elseif (\in_array($valueType, ['int', 'float', 'bool'], true)) { |
|
78
|
|
|
/** @var bool|float|int $value */ |
|
79
|
|
|
$stringValue = (string) $value; |
|
80
|
|
|
} else { |
|
81
|
|
|
$stringValue = $valueType; |
|
82
|
|
|
} |
|
83
|
|
|
} |
|
84
|
|
|
|
|
85
|
12 |
|
\assert(\is_string($stringValue)); |
|
86
|
|
|
|
|
87
|
12 |
|
if ($stringValue === '') { |
|
88
|
|
|
return '""'; |
|
89
|
|
|
} |
|
90
|
|
|
|
|
91
|
|
|
// Make sure strings are quoted, PostgreSQL will handle this gracefully |
|
92
|
|
|
// Double the backslashes and escape quotes |
|
93
|
12 |
|
$escaped = \str_replace( |
|
94
|
12 |
|
['\\', '"'], |
|
95
|
12 |
|
['\\\\', '\"'], |
|
96
|
12 |
|
$stringValue |
|
97
|
12 |
|
); |
|
98
|
|
|
|
|
99
|
12 |
|
return '"'.$escaped.'"'; |
|
100
|
|
|
} |
|
101
|
|
|
} |
|
102
|
|
|
|
martin-georgiev /
postgresql-for-doctrine
