Classes, traits, and interfaces - Drupal 11.1.x - Drupal Core
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Introduction to classes
A lot of the PHP code in Drupal is object oriented (OO), making use of PHP classes, interfaces, and traits. See the Objected-oriented programming conventions for more information.
See also
Objected-oriented programming conventions
File
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core/
core.api.php, line 1518
| Name | Deprecated | Object type | Namespace | File name | Summary | Direct uses | Use statements | Strings |
|---|---|---|---|---|---|---|---|---|
| TraceAttributes | interface | OpenTelemetry\SemConv | vendor/ |
2 | ||||
| TraceAttributeValues | interface | OpenTelemetry\SemConv | vendor/ |
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| TraceConfig | class | Opentelemetry\Proto\Trace\V1 | vendor/ |
Global configuration of the trace service. All fields must be specified, or the default (zero) values will be used for each type. | ||||
| TraceConfig | class | GPBMetadata\Opentelemetry\Proto\Trace\V1 | vendor/ |
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| TraceContextPropagator | final class | OpenTelemetry\API\Trace\Propagation | vendor/ |
TraceContext is a propagator that supports the W3C Trace Context format (https://www.w3.org/TR/trace-context/) | ||||
| TraceContextValidator | class | OpenTelemetry\API\Trace\Propagation | vendor/ |
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| TraceFlags | interface | OpenTelemetry\API\Trace | vendor/ |
1 | ||||
| TraceIdRatioBased | class | Opentelemetry\Proto\Trace\V1 | vendor/ |
Sampler that tries to uniformly sample traces with a given ratio. The ratio of sampling a trace is equal to that of the specified ratio. | ||||
| TraceIdRatioBasedSampler | class | OpenTelemetry\SDK\Trace\Sampler | vendor/ |
This implementation of the SamplerInterface records with given probability. Example: ``` use OpenTelemetry\API\Trace\TraceIdRatioBasedSampler; $sampler = new TraceIdRatioBasedSampler(0.01); ``` | 1 | |||
| Tracer | interface | PHPUnit\Event\Tracer | vendor/ |
@no-named-arguments Parameter names are not covered by the backward compatibility promise for PHPUnit | 1 | 2 | ||
| Tracer | class | OpenTelemetry\SDK\Trace | vendor/ |
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| TracerConfig | class | OpenTelemetry\SDK\Trace | vendor/ |
1 | ||||
| TracerInterface | interface | OpenTelemetry\API\Trace | vendor/ |
2 | 3 | |||
| TracerProvider | final class | OpenTelemetry\SDK\Trace | vendor/ |
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| TracerProviderBuilder | class | OpenTelemetry\SDK\Trace | vendor/ |
1 | ||||
| TracerProviderFactory | final class | OpenTelemetry\SDK\Trace | vendor/ |
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| TracerProviderInterface | interface | OpenTelemetry\API\Trace | vendor/ |
@see https://github.com/open-telemetry/opentelemetry-specification/blob/v1.7.0/specification/trace/api.md#tracerprovider | 2 | 9 | ||
| TracerProviderInterface | interface | OpenTelemetry\SDK\Trace | vendor/ |
2 | 1 | |||
| TracerSharedState | final class | OpenTelemetry\SDK\Trace | vendor/ |
Stores shared state/config between all { | ||||
| TracesData | class | Opentelemetry\Proto\Trace\V1 | vendor/ |
TracesData represents the traces data that can be stored in a persistent storage, OR can be embedded by other protocols that transfer OTLP traces data but do not implement the OTLP protocol. The main difference between this message and collector… | ||||
| TraceService | class | GPBMetadata\Opentelemetry\Proto\Collector\Trace\V1 | vendor/ |
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| TraceServiceClient | class | Opentelemetry\Proto\Collector\Trace\V1 | vendor/ |
Service that can be used to push spans between one Application instrumented with OpenTelemetry and a collector, or between a collector and a central collector (in this case spans are sent/received to/from multiple Applications). | ||||
| TraceState | class | OpenTelemetry\API\Trace | vendor/ |
1 | ||||
| TraceStateInterface | interface | OpenTelemetry\API\Trace | vendor/ |
TraceState parses and stores the tracestate header as an immutable list of string key/value pairs. It provides the following operations following the rules described in the W3C Trace Context specification: | 1 | |||
| TraceStub | class | Symfony\Component\VarDumper\Caster | vendor/ |
Represents a backtrace as returned by debug_backtrace() or Exception->getTrace(). | ||||
| TracingDriver | final class | Revolt\EventLoop\Driver | vendor/ |
1 | ||||
| TrailingArrayCommaSniff | class | SlevomatCodingStandard\Sniffs\Arrays | vendor/ |
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| TraitMethodUnit | final class | SebastianBergmann\CodeUnit | vendor/ |
@psalm-immutable | ||||
| TraitNameSuffixSniff | class | PHP_CodeSniffer\Standards\Generic\Sniffs\NamingConventions | vendor/ |
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| TraitString | final class | phpDocumentor\Reflection\PseudoTypes | vendor/ |
Value Object representing the type 'string'. | 1 | |||
| TraitUnit | final class | SebastianBergmann\CodeUnit | vendor/ |
@psalm-immutable | ||||
| TraitUse | class | PhpParser\Builder | vendor/ |
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| TraitUse | class | PhpParser\Node\Stmt | vendor/ |
1 | ||||
| TraitUseAdaptation | abstract class | PhpParser\Node\Stmt | vendor/ |
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| TraitUseAdaptation | class | PhpParser\Builder | vendor/ |
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| TraitUseDeclarationSniff | class | SlevomatCodingStandard\Sniffs\Classes | vendor/ |
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| TraitUseSpacingSniff | class | SlevomatCodingStandard\Sniffs\Classes | vendor/ |
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| Trait_ | class | PhpParser\Builder | vendor/ |
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| Trait_ | class | PhpParser\Node\Scalar\MagicConst | vendor/ |
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| Trait_ | class | PhpParser\Node\Stmt | vendor/ |
3 | ||||
| Transaction | class | Composer\DependencyResolver | vendor/ |
@author Nils Adermann <naderman@naderman.de> @internal | 2 | 3 | ||
| Transaction | class | Drupal\Core\Database | core/ |
A wrapper class for creating and managing database transactions. | 2 | |||
| TransactionCommitFailedException | class | Drupal\Core\Database | core/ |
Exception thrown when a commit() function fails. | 1 | |||
| TransactionException | class | Drupal\Core\Database | core/ |
Exception thrown by an error in a database transaction. | 5 | |||
| TransactionExplicitCommitNotAllowedException | class | Drupal\Core\Database | core/ |
Exception to deny attempts to explicitly manage transactions. | ||||
| TransactionManager | class | Drupal\mysql\Driver\Database\mysql | core/ |
MySql implementation of TransactionManagerInterface. | ||||
| TransactionManager | class | Drupal\pgsql\Driver\Database\pgsql | core/ |
PostgreSql implementation of TransactionManagerInterface. | ||||
| TransactionManager | class | Drupal\sqlite\Driver\Database\sqlite | core/ |
SQLite implementation of TransactionManagerInterface. | ||||
| TransactionManagerBase | abstract class | Drupal\Core\Database\Transaction | core/ |
The database transaction manager base class. | 3 | 3 | ||
| TransactionManagerInterface | interface | Drupal\Core\Database\Transaction | core/ |
Interface for the database transaction manager classes. | 1 | 4 |