Answers for "php fopen() get error"

update composer mac

#mac
composer self-update

update composer mac

#Ubuntu-Download Composer and create a Phar (PHP Archive) file
$ curl -s https://getcomposer.org/installer | php

#Move it to bin directory
$ sudo mv composer.phar /usr/local/bin/composer

php show error

error_reporting(E_ALL);
ini_set('display_errors', 1);