fix: install Infection via Composer for PHP 8.5 compat#4
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The Infection PHAR (0.32.6) from jakzal/phpqa is scoped with php-scoper, which does not support PHP 8.5 yet (humbug/php-scoper#1139). This causes a fatal error: `Call to undefined function Infected\array_first()` because php-scoper prefixes the PHP 8.4+ built-in function. Replace the scoped PHAR with a Composer-installed version via `composer global bin infection`, which runs unscoped and works correctly on PHP 8.5. The old PHAR symlink and file are removed to avoid conflicts. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Mar 1, 2026
The squash merge of #4 lost this fix. The `infection/extension-installer` plugin must be explicitly allowed before requiring infection. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Summary
composer global bin infectioninstead of relying on the scoped PHAR from jakzal/phpqaProblem
The Infection PHAR (0.32.6) is scoped with php-scoper, which does not support PHP 8.5. This causes a fatal error on PHP 8.5:
array_first()is a PHP 8.4+ built-in function, but php-scoper prefixes it toInfected\array_first(), which doesn't exist.Fix
Replace the scoped PHAR with an unscoped Composer installation. The
composer global binapproach isolates Infection's dependencies while keeping the binary available in$PATHat/tools/.composer/vendor/bin/infection.Test plan
PHP_VERSION=8.5and runinfection --version🤖 Generated with Claude Code