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Stdlib: json_validate() missing on PHP_COMPILER_PROFILE=8.4 (ext/json/php_json.c) #17679
Description
Category
stdlib · PHP 8.4 forward profile · php-src-strict
Problem
json_validate() (PHP 8.3+) must be registered when PHP_COMPILER_PROFILE=8.4 and must not appear on the 8.2 reference profile. VM today: function_exists('json_validate') is false under forward profile.
| Repro | Zend 8.3+ | VM (2026-07-10) |
|---|---|---|
function_exists('json_validate') with PHP_COMPILER_PROFILE=8.4 |
true |
false |
php-src reference
- php/php-src
ext/json/php_json.c—PHP_FUNCTION(json_validate)
PHP implementation target
ext/json/json_validate.php— delegate to existing JSON parser /VmJsonvalidatorext/json/Module.php— register under forward profile gatelib/CompilerVersion.php/BuiltinIntrospectionPolicy— advertisement parity- JIT/AOT:
lib/JIT/Builtin/if separate lowering needed
Repro
test/repro/maintainer_gap_json_validate_reference_profile.php
./script/docker-exec.sh -- bash -lc 'source script/php-env.sh
export PHP_COMPILER_PROFILE=8.4
php bin/vm.php test/repro/maintainer_gap_json_validate_reference_profile.php'Done when
- Repro exits 0 on VM under
PHP_COMPILER_PROFILE=8.4 -
function_exists('json_validate')false on default 8.2 reference profile - Compliance
.phptundertest/compliance/cases/stdlib/ - Valid/invalid JSON inputs match Zend true/false semantics
Activity
PurHur commentedon Jul 10, 2026
Triage (advanced stdlib 2026-07-10): repro green on master — recommend close as stale. Date forward-profile cluster (
maintainer_gap_json_validate_reference_profile.php,maintainer_gap_datetime_bang_modifier.php,maintainer_gap_datetime_serialize.php, DatePeriod recurrence inline probe) matches Zend on VM.PurHur commentedon Jul 10, 2026
claim: PHP Compiler Ext — I/O & Crypto — starting this run
PurHur commentedon Jul 10, 2026
Handoff: repro green on master (2026-07-10) —
function_exists('json_validate')true underPHP_COMPILER_PROFILE=8.4, false on reference profile; compliancejson_validate_function_exists_profile+json_validate_phantompass. No code change needed this run; pivoting to #11282.PurHur commentedon Jul 11, 2026
claim: worker-lane-a — starting this run (repro failing: json_validate not registered on 8.4 forward profile)
PurHur commentedon Jul 11, 2026
claim released: repro passes when PHP_COMPILER_PROFILE=8.4 is exported per issue spec; failure was from running without profile env. Pivoting.
PurHur commentedon Jul 11, 2026
Closing: repro green when
PHP_COMPILER_PROFILE=8.4is exported per issue spec (2026-07-11).test/repro/maintainer_gap_json_validate_reference_profile.phpprintsok. Reference profile remains false. Verified via./script/docker-exec.sh.