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Roby Firnando Yusuf
Asked: 2019-05-05 06:04:47 +0800 CST

Switching PHP version PHP 5.6 to PHP 7.2

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i have installed 2 php versions on my PC here, i run this command 

composer require kreait/firebase-php ^4.18

but that show error message :

[InvalidArgumentException]
Package kreait/firebase-php at version ^4.18 has a PHP requirement incompat
ible with your PHP version (5.6.20)

when i run phpinfo it's said php7.2 but when i check php -v it said php5.6 screenshot anyone can help me out and why it's happen ?

php 16.04 php7

1 Answers

  1. SOLVED

    by adding this code in my composer.json : 

    "config": {

    "platform": {

        "php": "7.2.17"

    }

}
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