Server : Apache System : Linux server2.thebrownbagmedia.com 4.18.0-553.34.1.el8_10.x86_64 #1 SMP Wed Jan 8 09:40:06 EST 2025 x86_64 User : topnotchcv ( 1029) PHP Version : 8.1.32 Disable Function : NONE Directory :  /var/softaculous/igniter/

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PHP REQUIREMENT LINK : http://codeigniter.com/user_guide/intro/requirements.html and also README.md(PHP 8.1 is required since Codeigniter 4.5.0 )
Download the package using composer. (Since 4.0.4) - php composer.phar create-project codeigniter4/appstarter /{{PATH}}/{{TO}}/{{CODEIGNITER_DIRECTORY}}