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Add configurable session garbage collection (gcProbability/gcDivisor) (#258)

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Make session GC probability configurable via gcProbability and gcDivisor
parameters, mirroring PHP's session.gc_probability/session.gc_divisor.
Exposed through both SessionManager constructor and Builder::setSession().

Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
Christopher Hertel 2026-05-15 08:14:38 +02:00 • committed by GitHub
commit 5e0731f706
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1 changed files with 155 additions and 7 deletions
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16
src/Server/Builder.php
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@ -79,6 +79,10 @@ final class Builder
private ?SessionStoreInterface $sessionStore = null;
private int $gcProbability = 1;
private int $gcDivisor = 100;
private int $paginationLimit = 50;
private ?string $instructions = null;
@ -336,12 +340,22 @@ final class Builder
return $this;
}
/**
* Configures the session layer.
*
* @param int $gcProbability The numerator of the GC probability fraction (like PHP's session.gc_probability). Set to 0 to disable GC.
* @param int $gcDivisor The denominator of the GC probability fraction (like PHP's session.gc_divisor). Probability = gcProbability/gcDivisor.
*/
public function setSession(
?SessionStoreInterface $sessionStore = null,
?SessionManagerInterface $sessionManager = null,
int $gcProbability = 1,
int $gcDivisor = 100,
): self {
$this->sessionStore = $sessionStore;
$this->sessionManager = $sessionManager;
$this->gcProbability = $gcProbability;
$this->gcDivisor = $gcDivisor;
if (null !== $sessionManager && null !== $sessionStore) {
throw new InvalidArgumentException('Cannot set both SessionStore and SessionManager. Set only one or the other.');
@ -534,6 +548,8 @@ final class Builder
$sessionManager = $this->sessionManager ?? new SessionManager(
$this->sessionStore ?? new InMemorySessionStore(),
$logger,
$this->gcProbability,
$this->gcDivisor,
);
if (null !== $this->discoveryBasePath) {