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Constant PDO::MYSQL_ATTR_INIT_COMMAND is deprecated since 8.5, use Pdo\Mysql::ATTR_INIT_COMMAND instead #237
Description
No duplicates 🥲.
- I have searched for a similar issue in our bug tracker and didn't find any solutions.
Describe the bug
Php 8.5 due to be released in a weeks time November 22nd 2025. Testing rossaddison/invoice under 8.5. First php error I have encountered as follows:
Constant PDO::MYSQL_ATTR_INIT_COMMAND is deprecated since 8.5, use Pdo\Mysql::ATTR_INIT_COMMAND instead.
Please create a php8.5 branch and I will fork and issue a pull request to it.
Is this a regression?
No
To Reproduce
Setup rossaddison/invoice running under php8.5
Expected behaviour
A clear run.
Media prove
Stack trace:
ErrorException: Constant PDO::MYSQL_ATTR_INIT_COMMAND is deprecated since 8.5, use Pdo\Mysql::ATTR_INIT_COMMAND instead in C:\wamp64\www\invoice\vendor\cycle\database\src\Config\MySQL\ConnectionConfig.php:30
Stack trace:
#0 C:\wamp64\www\invoice\vendor\yiisoft\config\src\Config.php(163): [constant expression]()
#1 C:\wamp64\www\invoice\config\common\params.php(389): Yiisoft\Config\Config::{closure:{closure:Yiisoft\Config\Config::buildFile():160}:162}()
#2 C:\wamp64\www\invoice\vendor\yiisoft\config\src\Config.php(173): require('...')
#3 C:\wamp64\www\invoice\vendor\yiisoft\config\src\Config.php(186): Yiisoft\Config\Config::{closure:Yiisoft\Config\Config::buildFile():160}()
#4 C:\wamp64\www\invoice\vendor\yiisoft\config\src\Config.php(116): Yiisoft\Config\Config->buildFile()
#5 C:\wamp64\www\invoice\vendor\yiisoft\config\src\Config.php(111): Yiisoft\Config\Config->buildGroup()
#6 C:\wamp64\www\invoice\vendor\yiisoft\config\src\Config.php(94): Yiisoft\Config\Config->buildGroup()
#7 C:\wamp64\www\invoice\vendor\yiisoft\config\src\Config.php(74): Yiisoft\Config\Config->runBuildParams()
#8 C:\wamp64\www\invoice\vendor\yiisoft\yii-runner\src\ApplicationRunner.php(156): Yiisoft\Config\Config->get()
#9 C:\wamp64\www\invoice\vendor\yiisoft\yii-runner\src\ApplicationRunner.php(189): Yiisoft\Yii\Runner\ApplicationRunner->getConfiguration()
#10 C:\wamp64\www\invoice\vendor\yiisoft\yii-runner\src\ApplicationRunner.php(144): Yiisoft\Yii\Runner\ApplicationRunner->createDefaultContainer()
#11 C:\wamp64\www\invoice\vendor\yiisoft\yii-runner-http\src\HttpApplicationRunner.php(195): Yiisoft\Yii\Runner\ApplicationRunner->getContainer()
#12 C:\wamp64\www\invoice\vendor\yiisoft\yii-runner-http\src\HttpApplicationRunner.php(161): Yiisoft\Yii\Runner\Http\HttpApplicationRunner->runInternal()
#13 C:\wamp64\www\invoice\public\index.php(42): Yiisoft\Yii\Runner\Http\HttpApplicationRunner->run()
#14 {main}
Database
MySQL
Your environment
No response
Additional context
No response
Reacted by Aleksei Gagarin
Activity
[-][Bug]: Constant PDO::MYSQL_ATTR_INIT_COMMAND is deprecated since 8.5, use Pdo\Mysql::ATTR_INIT_COMMAND instead[/-][+]Constant PDO::MYSQL_ATTR_INIT_COMMAND is deprecated since 8.5, use Pdo\Mysql::ATTR_INIT_COMMAND instead[/+]jauhenis commentedon Jan 5, 2026
Same problem here, it's January 2026, want to update to 8.5, no luck with cycle/database
roxblnfk commentedon Jan 5, 2026
ATTR_INIT_COMMANDappeared in PHP 8.4.This means we'll have to raise the minimum version to 8.4 or look for workarounds.
jettero777 commentedon Feb 3, 2026
for master branch it would be natural because 8.4 and 8.5 are only PHP versions now in active support
https://www.php.net/supported-versions.php
jauhenis commentedon Feb 16, 2026
Maybe just use PHP version constant to ensure that all what's older than 8.4 is using old constant and all, what's newer like 8.5 - uses new constant.
Really do want to use new 8.5 feature and all my project is ready for an update, except for cycle orm
fix: Replace deprecated MySQL constant with scalar (#237)
roxblnfk commentedon Feb 16, 2026
Should be fixed in 2.15.2. Could you check?
jauhenis commentedon Feb 17, 2026
Yeah, it's great now, no deprecations, works on 8.5.3, thanks