class Php
Same name in other branches
- 9 core/lib/Drupal/Component/Uuid/Php.php \Drupal\Component\Uuid\Php
- 8.9.x core/lib/Drupal/Component/Uuid/Php.php \Drupal\Component\Uuid\Php
- 10 core/lib/Drupal/Component/Uuid/Php.php \Drupal\Component\Uuid\Php
Generates a UUID v4 (RFC 4122 section 4.4) using PHP code.
Hierarchy
- class \Drupal\Component\Uuid\Php implements \Drupal\Component\Uuid\UuidInterface
Expanded class hierarchy of Php
See also
http://www.rfc-editor.org/rfc/rfc4122.txt
http://www.rfc-editor.org/errata_search.php?rfc=4122&eid=3546
4 files declare their use of Php
- ConfigEntityImportTest.php in core/
modules/ system/ tests/ src/ Kernel/ Entity/ ConfigEntityImportTest.php - ConfigImportRenameValidationTest.php in core/
tests/ Drupal/ KernelTests/ Core/ Config/ ConfigImportRenameValidationTest.php - StorageComparerTest.php in core/
tests/ Drupal/ Tests/ Core/ Config/ StorageComparerTest.php - UuidTest.php in core/
tests/ Drupal/ Tests/ Component/ Uuid/ UuidTest.php
37 string references to 'Php'
- AnnotatedClassDiscovery::getDefinitions in core/
lib/ Drupal/ Component/ Annotation/ Plugin/ Discovery/ AnnotatedClassDiscovery.php - Gets the definition of all plugins for this type.
- AnnotatedClassDiscoveryAutomatedProviders::getDefinitions in core/
modules/ migrate/ src/ Plugin/ Discovery/ AnnotatedClassDiscoveryAutomatedProviders.php - Gets the definition of all plugins for this type.
- AttributeClassDiscovery::getDefinitions in core/
lib/ Drupal/ Component/ Plugin/ Discovery/ AttributeClassDiscovery.php - Gets the definition of all plugins for this type.
- BlockVisibility::transform in core/
modules/ block/ src/ Plugin/ migrate/ process/ BlockVisibility.php - Performs the associated process.
- BlockVisibilityTest::testTransformPhpEnabled in core/
modules/ block/ tests/ src/ Unit/ Plugin/ migrate/ process/ BlockVisibilityTest.php - @covers ::transform
File
-
core/
lib/ Drupal/ Component/ Uuid/ Php.php, line 11
Namespace
Drupal\Component\UuidView source
class Php implements UuidInterface {
/**
* {@inheritdoc}
*/
public function generate() {
// Obtain a random string of 32 hex characters.
$hex = bin2hex(random_bytes(16));
// The variable names $time_low, $time_mid, $time_hi_and_version,
// $clock_seq_hi_and_reserved, $clock_seq_low, and $node correlate to
// the fields defined in RFC 4122 section 4.1.2.
//
// Use characters 0-11 to generate 32-bit $time_low and 16-bit $time_mid.
$time_low = substr($hex, 0, 8);
$time_mid = substr($hex, 8, 4);
// Use characters 12-15 to generate 16-bit $time_hi_and_version.
// The 4 most significant bits are the version number (0100 == 0x4).
// We simply skip character 12 from $hex, and concatenate the strings.
$time_hi_and_version = '4' . substr($hex, 13, 3);
// Use characters 16-17 to generate 8-bit $clock_seq_hi_and_reserved.
// The 2 most significant bits are set to one and zero respectively.
$clock_seq_hi_and_reserved = base_convert(substr($hex, 16, 2), 16, 10);
$clock_seq_hi_and_reserved &= 0b111111;
$clock_seq_hi_and_reserved |= 0b10000000;
// Use characters 18-19 to generate 8-bit $clock_seq_low.
$clock_seq_low = substr($hex, 18, 2);
// Use characters 20-31 to generate 48-bit $node.
$node = substr($hex, 20);
// Re-combine as a UUID. $clock_seq_hi_and_reserved is still an integer.
$uuid = sprintf('%s-%s-%s-%02x%s-%s', $time_low, $time_mid, $time_hi_and_version, $clock_seq_hi_and_reserved, $clock_seq_low, $node);
return $uuid;
}
}
Members
Title Sort descending | Modifiers | Object type | Summary | Overriden Title |
---|---|---|---|---|
Php::generate | public | function | Generates a Universally Unique IDentifier (UUID). | Overrides UuidInterface::generate |
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