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Root composer.json requires php ^7.3 but your php version (8.1.12) does not satisfy that requirement - YouTube
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Composer update fails with composer.json php version set to 7.1.* · Issue #638 · laravel/homestead · GitHub
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How to resolve "PHP requirement incompatible with your PHP version (7.0.8)" error message in Pantheon? | Roald Umandal
![Nuno Maduro on Twitter: "Insanely important tip: make sure to specify the PHP version you're using in production in your "composer.json" file. This way, composer will create the "composer.lock" file specifically for Nuno Maduro on Twitter: "Insanely important tip: make sure to specify the PHP version you're using in production in your "composer.json" file. This way, composer will create the "composer.lock" file specifically for](https://pbs.twimg.com/media/FvWu4jAXsAAqfzN.jpg:large)