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[2016-12-15 09:39 UTC] yohgaki@php.net
-Package: *General Issues
+Package: opcache
[2016-12-15 09:39 UTC] yohgaki@php.net
[2016-12-16 03:06 UTC] laruence@php.net
[2016-12-16 03:07 UTC] laruence@php.net
-Status: Open
+Status: Closed
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Last updated: Thu Oct 30 22:00:01 2025 UTC |
Description: ------------ We upgraded to php 7.1 and noticed some tests are failing. This method call returns UNKNOWN:0 since the upgrade. If we remove method return type, then we get expected string that is really returned by the method. I noticed that this "sometimes" doesn't happen for the first run, so it might be opcache related. I noticed, removing self::CZ and changing it to CountryMapping::CZ fixes the issue. Also removing return type fixes it as well. Opcache is enabled. Settings: opcache.blacklist_filename => no value => no value opcache.consistency_checks => 0 => 0 opcache.dups_fix => Off => Off opcache.enable => On => On opcache.enable_cli => On => On opcache.enable_file_override => Off => Off opcache.error_log => no value => no value opcache.fast_shutdown => 1 => 1 opcache.file_cache => no value => no value opcache.file_cache_consistency_checks => 1 => 1 opcache.file_cache_only => 0 => 0 opcache.file_update_protection => 2 => 2 opcache.force_restart_timeout => 180 => 180 opcache.huge_code_pages => Off => Off opcache.inherited_hack => On => On opcache.interned_strings_buffer => 16 => 16 opcache.lockfile_path => /tmp => /tmp opcache.log_verbosity_level => 1 => 1 opcache.max_accelerated_files => 65407 => 65407 opcache.max_file_size => 0 => 0 opcache.max_wasted_percentage => 5 => 5 opcache.memory_consumption => 192 => 192 opcache.opt_debug_level => 0 => 0 opcache.optimization_level => 0x7FFFBFFF => 0x7FFFBFFF opcache.preferred_memory_model => no value => no value opcache.protect_memory => 0 => 0 opcache.restrict_api => no value => no value opcache.revalidate_freq => 0 => 0 opcache.revalidate_path => Off => Off opcache.save_comments => 1 => 1 opcache.use_cwd => On => On opcache.validate_permission => Off => Off opcache.validate_root => Off => Off opcache.validate_timestamps => On => On Test script: --------------- <?php namespace Core\Bundle\Service\Property\Room\Rooms; class CountryMapping { const CZ = 'CZ'; const EN = 'EN'; public function get(string $countryIsoCode = null) : string // Works correctly if return type is removed { switch (strtoupper($countryIsoCode)) { case 'CZ': case 'SK': return self::CZ; // Works correctly if changed to CountryMapping::CZ default: return self::EN; // Works correctly if changed to CountryMapping::EN } } } $mapping = new CountryMapping(); var_dump($mapping->get('CZ')); Expected result: ---------------- string(2) "CZ" Actual result: -------------- UNKNOWN:0