Answers for "PHP Fatal error: Composer detected issues in your platform: Your Composer dependencies require a PHP version ">= 7.4.0". You are running 7.3.29-1~deb10u1. in /opt/lampp/htdocs/absensi/vendor/composer/platform_check.php on line 24"

Composer detected issues in your platform: Your Composer dependencies require a PHP version ">= 7.3.0".

#add to composer.json > config
"platform-check": false,

composer autoload-dump

Composer detected issues in your platform: Your Composer dependencies require a PHP version ">= 7.3.0".

composer install --ignore-platform-reqs

or 
 #add to composer.json > config
"platform-check": false,

composer autoload-dump