Stdlib: thin AOT session wire multi-key + int/bool/null (#21922)

[PurHur]

Summary

• Loop emitSessionWireLoadFromPath over concatenated php-src session wire pairs (s: / i: / b: / N;)
• Emit int/bool/null on save (%.*s|i:%lld; / b:%d; / N;) in addition to strings
• Unit guard SessionWireMultiKeyTest + keep SessionsWebAotExecuteTest green

Closes #21922

php-src: ext/session/session.c / mod_php.c — PHP impl: ext/standard/JitSessionStorageKernel.php

Verification

./script/docker-exec.sh -- bash -lc 'source script/php-env.sh
export PHP_COMPILER_HELPER_RUNTIME_O=1
php -d memory_limit=512M vendor/bin/phpunit --filter "SessionWireMultiKeyTest|SessionsWebAotExecuteTest"
'
# OK (3 tests, 30 assertions)

# Issue repro (multi-key + int/bool wire + string round-trip)
wire: a|s:3:"one";b|s:3:"two";n|i:3;t|b:1;
a=one
b=two
n_isset=1
t_isset=1

Note: reading int/bool session values (cast/echo) still hits a pre-existing thin-AOT HT scalar read crash; wire persist + isset + multi-string round-trip are green. Null assign into $_SESSION still does not insert an HT entry under thin AOT (VM path does).

Test plan

• Multi-string AOT round-trip
• int/bool on session wire file
• SessionsWebAotExecuteTest
• SessionWireMultiKeyTest

Made with Cursor