lisachenko · lisachenko · Aug 19, 2026 · Aug 19, 2026 · Aug 19, 2026
diff --git a/AGENTS.md b/AGENTS.md
@@ -329,9 +329,16 @@ as permission to run Layer 2 or parallel code against a mismatched tree.
 
 - `ffi.enable=1` — cannot be turned on at runtime.
 - `opcache.jit=off` — the JIT rewrites the very executor internals the engine hooks depend on.
-- `error_reporting=E_ALL & ~E_DEPRECATED` — the z-engine dev lines may report deprecations from
-  dependency code, and PHPUnit's `.phpt` runner forces `display_errors=1`, so an unsuppressed
-  deprecation is prepended to a test's captured output and fails an `--EXPECT--` block over noise.
+
+Those two, and nothing else. A third line, `error_reporting=E_ALL & ~E_DEPRECATED`, used to sit
+alongside them: PHPUnit's `.phpt` runner forces `display_errors=1`, so a deprecation raised by the
+**dependency** — z-engine, back when it was consumed from a development branch — was prepended to a
+test's captured output and failed an `--EXPECT--` block over noise. The stable releases now required
+(`~8.4.2 || ~8.5.0`) raise none, and the suppression was hiding **this package's own** deprecations
+too: that is how the `SplObjectStorage::contains()` call PHP 8.5 deprecated (#39) sat green through
+12 tests. The suite now runs at the runner's default `error_reporting`, so a deprecation from our
+code fails a test the day it appears. **Do not re-add a diagnostic filter to a `.phpt`** — the guard
+test rejects any `error_reporting` line in an `--INI--` section.
 
 ```bash
 php8.4 -d ffi.enable=1 -d opcache.jit=off vendor/bin/phpunit
@@ -360,10 +367,11 @@ version and a minimal reproducer, and report it.
 
 The suite is PHPUnit 12 driving `.phpt` files in `tests/Functional/`, one behaviour per file.
 
-- **`--INI--` is mandatory and carries all three lines.** The child processes the runner spawns
-  inherit nothing by luck. `tests/Functional/testEveryTestDeclaresTheThreeRequiredIniLines.phpt`
-  scans the whole suite — itself included — and fails naming the file and the missing setting, so a
-  new test cannot quietly omit one.
+- **`--INI--` is mandatory and carries both lines** — `ffi.enable=1` and `opcache.jit=off`, and no
+  diagnostic filter beside them. The child processes the runner spawns inherit nothing by luck.
+  `tests/Functional/testEveryTestDeclaresTheTwoRequiredIniLines.phpt` scans the whole suite — itself
+  included — and fails naming the file and the missing setting, so a new test cannot quietly omit
+  one; it fails the same way on an `error_reporting` line that would silence a real bug.
 - **`test<WhatItDoes>.phpt`**, and the `--TEST--` line says the behaviour, not the class.
 - **Prefer `--EXPECT--`** (exact match). Tests about errors `echo` the caught message rather than
   `var_dump()`ing it, so no string lengths need maintaining.

diff --git a/src/Parallel/PreforkTaskDirectory.php b/src/Parallel/PreforkTaskDirectory.php
@@ -76,7 +76,7 @@ public function __construct()
      */
     public function register(Task $task): int
     {
-        if ($this->addresses->contains($task)) {
+        if ($this->addresses->offsetExists($task)) {
             return $this->addresses[$task];
         }
 
@@ -91,7 +91,7 @@ public function register(Task $task): int
 
     public function addressOf(Task $task): int
     {
-        if (!$this->addresses->contains($task)) {
+        if (!$this->addresses->offsetExists($task)) {
             throw new \LogicException(sprintf(
                 '%s was never published to the workers; without the shared arena (see #7) a task '
                 . 'can only reach a worker by being registered before the fork',

diff --git a/tests/Functional/testABufferedChannelParksOnlyAtItsCapacity.phpt b/tests/Functional/testABufferedChannelParksOnlyAtItsCapacity.phpt
@@ -3,7 +3,6 @@ A buffered send parks only when the buffer is full, and a receive only when it i
 --INI--
 ffi.enable=1
 opcache.jit=off
-error_reporting=E_ALL & ~E_DEPRECATED
 --FILE--
 <?php
 

diff --git a/tests/Functional/testACallFreeLoopDoesNotStarveAnotherCoroutine.phpt b/tests/Functional/testACallFreeLoopDoesNotStarveAnotherCoroutine.phpt
@@ -3,7 +3,6 @@ A call-free arithmetic loop does not starve another coroutine when the runtime i
 --INI--
 ffi.enable=1
 opcache.jit=off
-error_reporting=E_ALL & ~E_DEPRECATED
 --FILE--
 <?php
 

diff --git a/tests/Functional/testACallFreeLoopIsStillPreemptedAfterTheRuntimeHasBeenIdle.phpt b/tests/Functional/testACallFreeLoopIsStillPreemptedAfterTheRuntimeHasBeenIdle.phpt
@@ -3,7 +3,6 @@ A call-free loop that starts after an idle stretch is preempted exactly as one t
 --INI--
 ffi.enable=1
 opcache.jit=off
-error_reporting=E_ALL & ~E_DEPRECATED
 --FILE--
 <?php
 

diff --git a/tests/Functional/testACancelledContextWithdrawsItsRendezvousRegistration.phpt b/tests/Functional/testACancelledContextWithdrawsItsRendezvousRegistration.phpt
@@ -3,7 +3,6 @@ A rendezvous select abandoned by a cancelled context leaves no registration behi
 --INI--
 ffi.enable=1
 opcache.jit=off
-error_reporting=E_ALL & ~E_DEPRECATED
 --FILE--
 <?php
 

diff --git a/tests/Functional/testACapacityZeroHandoffCostsABoundedNumberOfWakeupsOnBothSides.phpt b/tests/Functional/testACapacityZeroHandoffCostsABoundedNumberOfWakeupsOnBothSides.phpt
@@ -3,7 +3,6 @@ A run of cross-process rendezvous handoffs costs a bounded number of wakeups in
 --INI--
 ffi.enable=1
 opcache.jit=off
-error_reporting=E_ALL & ~E_DEPRECATED
 --FILE--
 <?php
 

diff --git a/tests/Functional/testACapacityZeroSharedChannelComposesInASelectWithALocalChannel.phpt b/tests/Functional/testACapacityZeroSharedChannelComposesInASelectWithALocalChannel.phpt
@@ -3,7 +3,6 @@ One select resolves a capacity-0 shared channel and a local channel, and unlinks
 --INI--
 ffi.enable=1
 opcache.jit=off
-error_reporting=E_ALL & ~E_DEPRECATED
 --FILE--
 <?php
 

diff --git a/tests/Functional/testACapacityZeroSharedChannelIsAccepted.phpt b/tests/Functional/testACapacityZeroSharedChannelIsAccepted.phpt
@@ -3,7 +3,6 @@ A shared channel can be declared with capacity 0, and reports itself as a rendez
 --INI--
 ffi.enable=1
 opcache.jit=off
-error_reporting=E_ALL & ~E_DEPRECATED
 --FILE--
 <?php
 

diff --git a/tests/Functional/testAClosedChannelDrainsItsBufferBeforeReportingExhaustion.phpt b/tests/Functional/testAClosedChannelDrainsItsBufferBeforeReportingExhaustion.phpt
@@ -3,7 +3,6 @@ A closed channel keeps delivering buffered values with ok = true, and only then
 --INI--
 ffi.enable=1
 opcache.jit=off
-error_reporting=E_ALL & ~E_DEPRECATED
 --FILE--
 <?php
 

diff --git a/tests/Functional/testAClosedChannelReportsThatASendWouldNotPark.phpt b/tests/Functional/testAClosedChannelReportsThatASendWouldNotPark.phpt
@@ -3,7 +3,6 @@ A closed channel reports that both a send and a receive would complete without p
 --INI--
 ffi.enable=1
 opcache.jit=off
-error_reporting=E_ALL & ~E_DEPRECATED
 --FILE--
 <?php
 

diff --git a/tests/Functional/testAClosureRegisteredBeforeTheForkRunsInAWorker.phpt b/tests/Functional/testAClosureRegisteredBeforeTheForkRunsInAWorker.phpt
@@ -3,7 +3,6 @@ A closure registered before the fork barrier is callable in a worker, and a late
 --INI--
 ffi.enable=1
 opcache.jit=off
-error_reporting=E_ALL & ~E_DEPRECATED
 --FILE--
 <?php
 

diff --git a/tests/Functional/testACompletedResultSlotIsNotRetainedByItsWaiter.phpt b/tests/Functional/testACompletedResultSlotIsNotRetainedByItsWaiter.phpt
@@ -3,7 +3,6 @@ The local view of a result slot is dropped once the handle that could still read
 --INI--
 ffi.enable=1
 opcache.jit=off
-error_reporting=E_ALL & ~E_DEPRECATED
 --FILE--
 <?php
 

diff --git a/tests/Functional/testAContextIsSelectableThroughItsDoneChannel.phpt b/tests/Functional/testAContextIsSelectableThroughItsDoneChannel.phpt
@@ -3,7 +3,6 @@ A context takes part in a select through its done channel
 --INI--
 ffi.enable=1
 opcache.jit=off
-error_reporting=E_ALL & ~E_DEPRECATED
 --FILE--
 <?php
 

diff --git a/tests/Functional/testACooperativeRuntimeHasNoSharedArenaAndSaysSo.phpt b/tests/Functional/testACooperativeRuntimeHasNoSharedArenaAndSaysSo.phpt
@@ -3,7 +3,6 @@ A runtime without workers maps no arena and refuses the shared surface with the
 --INI--
 ffi.enable=1
 opcache.jit=off
-error_reporting=E_ALL & ~E_DEPRECATED
 --FILE--
 <?php
 

diff --git a/tests/Functional/testACoroutineThatNeverCooperatesEndsTheRunWithADiagnosis.phpt b/tests/Functional/testACoroutineThatNeverCooperatesEndsTheRunWithADiagnosis.phpt
@@ -3,7 +3,6 @@ A coroutine that never parks and never returns ends the run with a diagnosis ins
 --INI--
 ffi.enable=1
 opcache.jit=off
-error_reporting=E_ALL & ~E_DEPRECATED
 --FILE--
 <?php
 

diff --git a/tests/Functional/testACriticalSectionIsNeverPreempted.phpt b/tests/Functional/testACriticalSectionIsNeverPreempted.phpt
@@ -3,7 +3,6 @@ A coroutine inside a critical section keeps the CPU, and the deferred preemption
 --INI--
 ffi.enable=1
 opcache.jit=off
-error_reporting=E_ALL & ~E_DEPRECATED
 --FILE--
 <?php
 

diff --git a/tests/Functional/testAForkedChildMustRearmItsOwnSliceTimer.phpt b/tests/Functional/testAForkedChildMustRearmItsOwnSliceTimer.phpt
@@ -3,7 +3,6 @@ fork() clears the slice timer in the child, and rearmAfterFork() puts it back
 --INI--
 ffi.enable=1
 opcache.jit=off
-error_reporting=E_ALL & ~E_DEPRECATED
 --FILE--
 <?php
 

diff --git a/...nctional/testAHandleOnARecycledSlotIsRefusedRatherThanAnsweredWithAnotherTasksResult.phpt b/...nctional/testAHandleOnARecycledSlotIsRefusedRatherThanAnsweredWithAnotherTasksResult.phpt
@@ -3,7 +3,6 @@ A handle on a recycled slot id is refused rather than answered with the result o
 --INI--
 ffi.enable=1
 opcache.jit=off
-error_reporting=E_ALL & ~E_DEPRECATED
 --FILE--
 <?php
 

diff --git a/tests/Functional/testALocalChannelNeedsNoPollerDescriptor.phpt b/tests/Functional/testALocalChannelNeedsNoPollerDescriptor.phpt
@@ -3,7 +3,6 @@ A local channel exposes no readiness descriptor, because nothing outside the pro
 --INI--
 ffi.enable=1
 opcache.jit=off
-error_reporting=E_ALL & ~E_DEPRECATED
 --FILE--
 <?php
 

diff --git a/tests/Functional/testAPanicWhoseDetailCannotBeAttachedSaysSoExplicitly.phpt b/tests/Functional/testAPanicWhoseDetailCannotBeAttachedSaysSoExplicitly.phpt
@@ -3,7 +3,6 @@ A panic slot whose detail does not attach as a SharedError says so, instead of p
 --INI--
 ffi.enable=1
 opcache.jit=off
-error_reporting=E_ALL & ~E_DEPRECATED
 --FILE--
 <?php
 

diff --git a/tests/Functional/testAPanickingTaskSurfacesAtItsWaiter.phpt b/tests/Functional/testAPanickingTaskSurfacesAtItsWaiter.phpt
@@ -3,7 +3,6 @@ A task that ends in an uncaught throwable fails its waiter and leaves the worker
 --INI--
 ffi.enable=1
 opcache.jit=off
-error_reporting=E_ALL & ~E_DEPRECATED
 --FILE--
 <?php
 

diff --git a/tests/Functional/testAParkedSenderThrowsWhenTheChannelCloses.phpt b/tests/Functional/testAParkedSenderThrowsWhenTheChannelCloses.phpt
@@ -3,7 +3,6 @@ A sender that was already parked when the channel closed throws
 --INI--
 ffi.enable=1
 opcache.jit=off
-error_reporting=E_ALL & ~E_DEPRECATED
 --FILE--
 <?php
 

diff --git a/tests/Functional/testAPoolOutlivesItsResultSlotSupply.phpt b/tests/Functional/testAPoolOutlivesItsResultSlotSupply.phpt
@@ -3,7 +3,6 @@ A pool spawning far more tasks than the slot supply runs to completion, reusing
 --INI--
 ffi.enable=1
 opcache.jit=off
-error_reporting=E_ALL & ~E_DEPRECATED
 --FILE--
 <?php
 

diff --git a/tests/Functional/testAPreemptedCoroutineIsNeverThrownInto.phpt b/tests/Functional/testAPreemptedCoroutineIsNeverThrownInto.phpt
@@ -3,7 +3,6 @@ A preempted coroutine refuses to be thrown into, while a coroutine that suspende
 --INI--
 ffi.enable=1
 opcache.jit=off
-error_reporting=E_ALL & ~E_DEPRECATED
 --FILE--
 <?php
 

diff --git a/tests/Functional/testAPreemptedCoroutineThatParksIsSafeToDiscard.phpt b/tests/Functional/testAPreemptedCoroutineThatParksIsSafeToDiscard.phpt
@@ -3,7 +3,6 @@ A preempted coroutine that goes on to park on a channel is drained out of the ca
 --INI--
 ffi.enable=1
 opcache.jit=off
-error_reporting=E_ALL & ~E_DEPRECATED
 --FILE--
 <?php
 

diff --git a/tests/Functional/testARecordSplitAcrossTwoReadsIsReassembled.phpt b/tests/Functional/testARecordSplitAcrossTwoReadsIsReassembled.phpt
@@ -3,7 +3,6 @@ A control record delivered in two pieces is held back until all 16 bytes are the
 --INI--
 ffi.enable=1
 opcache.jit=off
-error_reporting=E_ALL & ~E_DEPRECATED
 --FILE--
 <?php
 

diff --git a/tests/Functional/testARendezvousReceiverParksUntilASenderArrives.phpt b/tests/Functional/testARendezvousReceiverParksUntilASenderArrives.phpt
@@ -3,7 +3,6 @@ A receive on a capacity-0 shared channel parks on the poller until another proce
 --INI--
 ffi.enable=1
 opcache.jit=off
-error_reporting=E_ALL & ~E_DEPRECATED
 --FILE--
 <?php
 

diff --git a/tests/Functional/testARendezvousSendWaitsUntilAnotherProcessTakesTheValue.phpt b/tests/Functional/testARendezvousSendWaitsUntilAnotherProcessTakesTheValue.phpt
@@ -3,7 +3,6 @@ A send on a capacity-0 shared channel returns only once another process has take
 --INI--
 ffi.enable=1
 opcache.jit=off
-error_reporting=E_ALL & ~E_DEPRECATED
 --FILE--
 <?php
 

diff --git a/tests/Functional/testARendezvousWaitIsNeverAFalseDeadlock.phpt b/tests/Functional/testARendezvousWaitIsNeverAFalseDeadlock.phpt
@@ -3,7 +3,6 @@ A coroutine parked on a capacity-0 shared channel is not reported as a deadlock
 --INI--
 ffi.enable=1
 opcache.jit=off
-error_reporting=E_ALL & ~E_DEPRECATED
 --FILE--
 <?php
 

diff --git a/tests/Functional/testAResultSlotIsAwaitableFromAnotherProcess.phpt b/tests/Functional/testAResultSlotIsAwaitableFromAnotherProcess.phpt
@@ -3,7 +3,6 @@ A result slot opened by the parent is awaited from inside a different worker
 --INI--
 ffi.enable=1
 opcache.jit=off
-error_reporting=E_ALL & ~E_DEPRECATED
 --FILE--
 <?php
 

diff --git a/tests/Functional/testASelectLoserLeavesNoRendezvousRegistrationForALaterSend.phpt b/tests/Functional/testASelectLoserLeavesNoRendezvousRegistrationForALaterSend.phpt
@@ -3,7 +3,6 @@ A capacity-0 shared channel that lost a select is no longer a rendezvous partner
 --INI--
 ffi.enable=1
 opcache.jit=off
-error_reporting=E_ALL & ~E_DEPRECATED
 --FILE--
 <?php
 

diff --git a/tests/Functional/testASelectSendCaseOnACapacityZeroSharedChannelIsRefused.phpt b/tests/Functional/testASelectSendCaseOnACapacityZeroSharedChannelIsRefused.phpt
@@ -3,7 +3,6 @@ A capacity-0 shared channel cannot be a select send case, and the refusal names
 --INI--
 ffi.enable=1
 opcache.jit=off
-error_reporting=E_ALL & ~E_DEPRECATED
 --FILE--
 <?php
 

diff --git a/tests/Functional/testASharedChannelAndALocalChannelBothFireInOneSelect.phpt b/tests/Functional/testASharedChannelAndALocalChannelBothFireInOneSelect.phpt
@@ -3,7 +3,6 @@ One select over a shared channel and a local channel resolves both, the shared o
 --INI--
 ffi.enable=1
 opcache.jit=off
-error_reporting=E_ALL & ~E_DEPRECATED
 --FILE--
 <?php
 

diff --git a/tests/Functional/testASlotIsNeverReadWithATagNewerThanItsPayload.phpt b/tests/Functional/testASlotIsNeverReadWithATagNewerThanItsPayload.phpt
@@ -3,7 +3,6 @@ A result slot read under contention never shows a tag from one generation and a
 --INI--
 ffi.enable=1
 opcache.jit=off
-error_reporting=E_ALL & ~E_DEPRECATED
 --FILE--
 <?php
 

diff --git a/tests/Functional/testASlotIsRecycledWhileARendezvousSendIsStillParkedOnItsTicket.phpt b/tests/Functional/testASlotIsRecycledWhileARendezvousSendIsStillParkedOnItsTicket.phpt
@@ -3,7 +3,6 @@ A result slot is claimed and given back while a rendezvous send waits for its va
 --INI--
 ffi.enable=1
 opcache.jit=off
-error_reporting=E_ALL & ~E_DEPRECATED
 --FILE--
 <?php
 

diff --git a/tests/Functional/testASpawnedTaskComesBackWithItsIntegerResult.phpt b/tests/Functional/testASpawnedTaskComesBackWithItsIntegerResult.phpt
@@ -3,7 +3,6 @@ A task dispatched to a worker runs there and its integer result comes back to th
 --INI--
 ffi.enable=1
 opcache.jit=off
-error_reporting=E_ALL & ~E_DEPRECATED
 --FILE--
 <?php
 

diff --git a/tests/Functional/testATaskCanBePinnedToOneWorker.phpt b/tests/Functional/testATaskCanBePinnedToOneWorker.phpt
@@ -3,7 +3,6 @@ A task pinned to a worker always runs there, and pinning to a worker that is not
 --INI--
 ffi.enable=1
 opcache.jit=off
-error_reporting=E_ALL & ~E_DEPRECATED
 --FILE--
 <?php
 

diff --git a/tests/Functional/testATaskPanicSurfacesWithItsClassMessageAndTrace.phpt b/tests/Functional/testATaskPanicSurfacesWithItsClassMessageAndTrace.phpt
@@ -3,7 +3,6 @@ A task panic reaches the waiter as a ParallelTaskException carrying class, messa
 --INI--
 ffi.enable=1
 opcache.jit=off
-error_reporting=E_ALL & ~E_DEPRECATED
 --FILE--
 <?php
 

diff --git a/tests/Functional/testATickOutsideACoroutineIsNotAPreemption.phpt b/tests/Functional/testATickOutsideACoroutineIsNotAPreemption.phpt
@@ -3,7 +3,6 @@ Slice ticks that land outside any coroutine are harmless and preempt nothing
 --INI--
 ffi.enable=1
 opcache.jit=off
-error_reporting=E_ALL & ~E_DEPRECATED
 --FILE--
 <?php
 

diff --git a/tests/Functional/testAWorkerExitsWhenItsParentDiesAbruptly.phpt b/tests/Functional/testAWorkerExitsWhenItsParentDiesAbruptly.phpt
@@ -3,7 +3,6 @@ A worker whose parent is SIGKILLed exits on control-socket EOF instead of becomi
 --INI--
 ffi.enable=1
 opcache.jit=off
-error_reporting=E_ALL & ~E_DEPRECATED
 --FILE--
 <?php
 

diff --git a/tests/Functional/testAWorkerInAPreemptivePoolIsActuallyPreempted.phpt b/tests/Functional/testAWorkerInAPreemptivePoolIsActuallyPreempted.phpt
@@ -3,7 +3,6 @@ A call-free loop inside a task does not starve another coroutine in that same wo
 --INI--
 ffi.enable=1
 opcache.jit=off
-error_reporting=E_ALL & ~E_DEPRECATED
 --FILE--
 <?php
 

diff --git a/tests/Functional/testAWorkerKilledHoldingAnArenaLockFailsItsWaiter.phpt b/tests/Functional/testAWorkerKilledHoldingAnArenaLockFailsItsWaiter.phpt
@@ -3,7 +3,6 @@ A worker killed while it holds an arena lock fails its waiter instead of hanging
 --INI--
 ffi.enable=1
 opcache.jit=off
-error_reporting=E_ALL & ~E_DEPRECATED
 --FILE--
 <?php
 

diff --git a/tests/Functional/testAWorkerKilledInsideACriticalSectionReportsTheRecoveredLock.phpt b/tests/Functional/testAWorkerKilledInsideACriticalSectionReportsTheRecoveredLock.phpt
@@ -3,7 +3,6 @@ A worker killed inside an arena critical section is reported as a recovered lock
 --INI--
 ffi.enable=1
 opcache.jit=off
-error_reporting=E_ALL & ~E_DEPRECATED
 --FILE--
 <?php
 

diff --git a/tests/Functional/testAWorkerMutatesASharedObjectOnTheSameIdentity.phpt b/tests/Functional/testAWorkerMutatesASharedObjectOnTheSameIdentity.phpt
@@ -3,7 +3,6 @@ A worker mutates a shared object and the parent observes it on the very same ins
 --INI--
 ffi.enable=1
 opcache.jit=off
-error_reporting=E_ALL & ~E_DEPRECATED
 --FILE--
 <?php
-Original file line number
+Diff line change
@@ Expand Up @@
     --INI--
     ffi.enable=1
     opcache.jit=off
-    error_reporting=E_ALL & ~E_DEPRECATED
     --FILE--
     <?php
@@ Expand Down @@