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Kindly guide Getting certain bash error on running PHP script in AWS Cloud9 but produces given output

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Hello all back some days I was facing issue in executing PHP code in AWS Cloud9 now the respective code is producing output as for the arguments passed as guided here https://docs.aws.amazon.com/…/l…/user-guide/sample-php.html… using filename.php 10 25 but getting some error kindly guide


<?php print("Hello, World!"); print("\nThe sum of 2 and 3 is 5."); $sum = (int)$argv[1] + (int)$argv[2]; print("\nThe sum of $argv[1] and $argv[2] is $sum."); ?>


Running PHP script /home/ubuntu/dev-ide/test1.php

(standard_in) 1: syntax error

bash: line 9: [: -eq: unary operator expected

Hello, World!

The sum of 2 and 3 is 5.

The sum of 10 and 25 is 35.

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