After installed composer and get this error when i try composer -v (MAC OS)

[charlie-nguyen-goldenowl-zz]

macOS:

Catalina version 10.15.7 (19H1715)

Composer: composer --version

Composer 2.3.2 2022-03-30 20:45:25

PHP: php -v

PHP 8.0.17 (cli) (built: Mar 18 2022 09:45:17) ( NTS )
Copyright (c) The PHP Group
Zend Engine v4.0.17, Copyright (c) Zend Technologies
    with Zend OPcache v8.0.17, Copyright (c), by Zend Technologies

when I'm running:

composer -v or composer update or composer install

error:

PHP Fatal error:  Uncaught TypeError: Composer\Pcre\Preg::isMatch(): Argument #2 ($subject) must be of type string, array given, called in phar:///usr/local/bin/composer/src/Composer/IO/BaseIO.php on line 133 and defined in phar:///usr/local/bin/composer/vendor/composer/pcre/src/Preg.php:241
Stack trace:
#0 phar:///usr/local/bin/composer/src/Composer/IO/BaseIO.php(133): Composer\Pcre\Preg::isMatch('{^[.A-Za-z0-9_]...', Array)
#1 phar:///usr/local/bin/composer/src/Composer/Factory.php(346): Composer\IO\BaseIO->loadConfiguration(Object(Composer\Config))
#2 phar:///usr/local/bin/composer/src/Composer/Factory.php(610): Composer\Factory->createComposer(Object(Composer\IO\ConsoleIO), Array, true, '/Users/inmac/pr...', true, false)
#3 phar:///usr/local/bin/composer/src/Composer/Console/Application.php(469): Composer\Factory::create(Object(Composer\IO\ConsoleIO), NULL, true, false)
#4 phar:///usr/local/bin/composer/src/Composer/Console/Application.php(411): Composer\Console\Application->getComposer(false, true)
#5 phar:///usr/local/bin/composer/src/Composer/Console/Application.php(352): Composer\Console\Application->hintCommonErrors(Object(TypeError), Object(Symfony\Component\Console\Output\ConsoleOutput))
#6 phar:///usr/local/bin/composer/vendor/symfony/console/Application.php(171): Composer\Console\Application->doRun(Object(Symfony\Component\Console\Input\ArgvInput), Object(Symfony\Component\Console\Output\ConsoleOutput))
#7 phar:///usr/local/bin/composer/src/Composer/Console/Application.php(130): Symfony\Component\Console\Application->run(Object(Symfony\Component\Console\Input\ArgvInput), Object(Symfony\Component\Console\Output\ConsoleOutput))
#8 phar:///usr/local/bin/composer/bin/composer(83): Composer\Console\Application->run()
#9 /usr/local/bin/composer(29): require('phar:///usr/loc...')
#10 {main}
  thrown in phar:///usr/local/bin/composer/vendor/composer/pcre/src/Preg.php on line 241

Fatal error: Uncaught TypeError: Composer\Pcre\Preg::isMatch(): Argument #2 ($subject) must be of type string, array given, called in phar:///usr/local/bin/composer/src/Composer/IO/BaseIO.php on line 133 and defined in phar:///usr/local/bin/composer/vendor/composer/pcre/src/Preg.php:241
Stack trace:
#0 phar:///usr/local/bin/composer/src/Composer/IO/BaseIO.php(133): Composer\Pcre\Preg::isMatch('{^[.A-Za-z0-9_]...', Array)
#1 phar:///usr/local/bin/composer/src/Composer/Factory.php(346): Composer\IO\BaseIO->loadConfiguration(Object(Composer\Config))
#2 phar:///usr/local/bin/composer/src/Composer/Factory.php(610): Composer\Factory->createComposer(Object(Composer\IO\ConsoleIO), Array, true, '/Users/inmac/pr...', true, false)
#3 phar:///usr/local/bin/composer/src/Composer/Console/Application.php(469): Composer\Factory::create(Object(Composer\IO\ConsoleIO), NULL, true, false)
#4 phar:///usr/local/bin/composer/src/Composer/Console/Application.php(411): Composer\Console\Application->getComposer(false, true)
#5 phar:///usr/local/bin/composer/src/Composer/Console/Application.php(352): Composer\Console\Application->hintCommonErrors(Object(TypeError), Object(Symfony\Component\Console\Output\ConsoleOutput))
#6 phar:///usr/local/bin/composer/vendor/symfony/console/Application.php(171): Composer\Console\Application->doRun(Object(Symfony\Component\Console\Input\ArgvInput), Object(Symfony\Component\Console\Output\ConsoleOutput))
#7 phar:///usr/local/bin/composer/src/Composer/Console/Application.php(130): Symfony\Component\Console\Application->run(Object(Symfony\Component\Console\Input\ArgvInput), Object(Symfony\Component\Console\Output\ConsoleOutput))
#8 phar:///usr/local/bin/composer/bin/composer(83): Composer\Console\Application->run()
#9 /usr/local/bin/composer(29): require('phar:///usr/loc...')
#10 {main}
  thrown in phar:///usr/local/bin/composer/vendor/composer/pcre/src/Preg.php on line 241

[Seldaek]

That seems to be due to an improperly configured github token in auth.json.

Check the output of composer -vvv to see which files it loads, then check them for presence of github auth config. It should look like {"github.com": "[token string here]"} but you seem to have an array instead of a string.

[charlie-nguyen-goldenowl-zz]

thanks @Seldaek , you make my day!