composer php7 laravel5

Your requirements could not be resolved to an installable set of packages.ini

 Problem 1
    - maatwebsite/excel[3.1.20, ..., 3.1.25] require phpoffice/phpspreadsheet ^1.14 -> satisfiable by phpoffice/phpspreadsheet[1.14.0, ..., 1.28.0].
    - maatwebsite/excel[3.1.18, ..., 3.1.19] require phpoffice/phpspreadsheet ^1.10 -> satisfiable by phpoffice/phpspreadsheet[1.10.0, ..., 1.28.0].
    - maatwebsite/excel[3.1.7, ..., 3.1.17] require phpoffice/phpspreadsheet ^1.6 -> satisfiable by phpoffice/phpspreadsheet[1.6.0, ..., 1.28.0].
    - maatwebsite/excel[3.1.0, ..., 3.1.6] require phpoffice/phpspreadsheet ^1.4 -> satisfiable by phpoffice/phpspreadsheet[1.4.0, ..., 1.28.0].
    - maatwebsite/excel[3.1.26, ..., 3.1.35] require illuminate/support 5.8.*|^6.0|^7.0|^8.0 -> satisfiable by illuminate/support[v5.8.0, ..., v5.8.36, v6.0.0, ..., v6.20.44, v7.0.0, ..., v7.30.6, v8.0.0, ..., v8.83.27].
    - maatwebsite/excel[3.1.36, ..., 3.1.45] require illuminate/support 5.8.*|^6.0|^7.0|^8.0|^9.0 -> satisfiable by illuminate/support[v5.8.0, ..., v5.8.36, v6.0.0, ..., v6.20.44, v7.0.0, ..., v7.30.6, v8.0.0, ..., v8.83.27, v9.0.0, ..., v9.52.9].
    - maatwebsite/excel[3.1.46, ..., 3.1.48] require illuminate/support 5.8.*|^6.0|^7.0|^8.0|^9.0|^10.0 -> satisfiable by illuminate/support[v5.8.0, ..., v5.8.36, v6.0.0, ..., v6.20.44, v7.0.0, ..., v7.30.6, v8.0.0, ..., v8.83.27, v9.0.0, ..., v9.52.9, v10.0.0, ..., v10.13.5].
    - phpoffice/phpspreadsheet[1.4.0, ..., 1.8.2] require ext-zip * -> it is missing from your system. Install or enable PHP's zip extension.
    - phpoffice/phpspreadsheet[1.9.0, ..., 1.12.0] require php ^7.1 -> your php version (7.0.33) does not satisfy that requirement.
    - phpoffice/phpspreadsheet[1.13.0, ..., 1.14.1] require php ^7.2 -> your php version (7.0.33) does not satisfy that requirement.
    - illuminate/support[v6.0.0, ..., v6.19.1] require php ^7.2 -> your php version (7.0.33) does not satisfy that requirement.
    - phpoffice/phpspreadsheet 1.15.0 requires php ^7.2|^8.0 -> your php version (7.0.33) does not satisfy that requirement.
    - phpoffice/phpspreadsheet[1.16.0, ..., 1.17.1] require php ^7.2||^8.0 -> your php version (7.0.33) does not satisfy that requirement.
    - phpoffice/phpspreadsheet[1.18.0, ..., 1.19.0] require php ^7.2 || ^8.0 -> your php version (7.0.33) does not satisfy that requirement.
    - phpoffice/phpspreadsheet[1.20.0, ..., 1.25.2] require php ^7.3 || ^8.0 -> your php version (7.0.33) does not satisfy that requirement.
    - phpoffice/phpspreadsheet[1.26.0, ..., 1.28.0] require php ^7.4 || ^8.0 -> your php version (7.0.33) does not satisfy that requirement.
    - illuminate/support[v5.8.0, ..., v5.8.36] require php ^7.1.3 -> your php version (7.0.33) does not satisfy that requirement.
    - illuminate/support[v6.20.0, ..., v6.20.44, v7.29.0, ..., v7.30.6] require php ^7.2.5|^8.0 -> your php version (7.0.33) does not satisfy that requirement.
    - illuminate/support[v7.0.0, ..., v7.28.4] require php ^7.2.5 -> your php version (7.0.33) does not satisfy that requirement.
    - illuminate/support[v8.0.0, ..., v8.11.2] require php ^7.3 -> your php version (7.0.33) does not satisfy that requirement.
    - illuminate/support[v8.12.0, ..., v8.83.27] require php ^7.3|^8.0 -> your php version (7.0.33) does not satisfy that requirement.
    - illuminate/support[v9.0.0, ..., v9.52.9] require php ^8.0.2 -> your php version (7.0.33) does not satisfy that requirement.
    - illuminate/support[v10.0.0, ..., v10.13.5] require php ^8.1 -> your php version (7.0.33) does not satisfy that requirement.
    - Root composer.json requires maatwebsite/excel ^3.1 -> satisfiable by maatwebsite/excel[3.1.0, ..., 3.1.48].

To enable extensions, verify that they are enabled in your .ini files:
    - /etc/php/7.0/cli/php.ini
    - /etc/php/7.0/cli/conf.d/10-opcache.ini
    - /etc/php/7.0/cli/conf.d/10-pdo.ini
    - /etc/php/7.0/cli/conf.d/15-xml.ini
    - /etc/php/7.0/cli/conf.d/20-calendar.ini
    - /etc/php/7.0/cli/conf.d/20-ctype.ini
    - /etc/php/7.0/cli/conf.d/20-curl.ini
    - /etc/php/7.0/cli/conf.d/20-dom.ini
    - /etc/php/7.0/cli/conf.d/20-exif.ini
    - /etc/php/7.0/cli/conf.d/20-fileinfo.ini
    - /etc/php/7.0/cli/conf.d/20-ftp.ini
    - /etc/php/7.0/cli/conf.d/20-gd.ini
    - /etc/php/7.0/cli/conf.d/20-gettext.ini
    - /etc/php/7.0/cli/conf.d/20-iconv.ini
    - /etc/php/7.0/cli/conf.d/20-intl.ini
    - /etc/php/7.0/cli/conf.d/20-json.ini
    - /etc/php/7.0/cli/conf.d/20-mbstring.ini
    - /etc/php/7.0/cli/conf.d/20-mongodb.ini
    - /etc/php/7.0/cli/conf.d/20-phar.ini
    - /etc/php/7.0/cli/conf.d/20-posix.ini
    - /etc/php/7.0/cli/conf.d/20-readline.ini
    - /etc/php/7.0/cli/conf.d/20-shmop.ini
    - /etc/php/7.0/cli/conf.d/20-simplexml.ini
    - /etc/php/7.0/cli/conf.d/20-soap.ini
    - /etc/php/7.0/cli/conf.d/20-sockets.ini
    - /etc/php/7.0/cli/conf.d/20-sysvmsg.ini
    - /etc/php/7.0/cli/conf.d/20-sysvsem.ini
    - /etc/php/7.0/cli/conf.d/20-sysvshm.ini
    - /etc/php/7.0/cli/conf.d/20-tokenizer.ini
    - /etc/php/7.0/cli/conf.d/20-wddx.ini
    - /etc/php/7.0/cli/conf.d/20-xmlreader.ini
    - /etc/php/7.0/cli/conf.d/20-xmlwriter.ini
    - /etc/php/7.0/cli/conf.d/20-xsl.ini
You can also run `php --ini` in a terminal to see which files are used by PHP in CLI mode.
Alternatively, you can run Composer with `--ignore-platform-req=ext-zip` to temporarily ignore these required extensions.




solution:::
apt-get install mcrypt php7.0-mcrypt
apt-get upgrade
sudo apt-get update
    
    sudo apt-get install mcrypt php7.0-mcrypt
    sudo  apt-get install php7.0-gd php7.0-xsl php7.0-intl
    sudo apt-get upgrade
    
    sudo apt-get install php-mbstring
     
    sudo apt-get install phpunit
    
    sudo apt-get install php7.0-zip
    
    sudo apt-get install php7.0-zip