STDIN & STDOUT

<?php fwrite(STDOUT, "Please enter your namen");

// Read the input
$name = fgets(STDIN);



fwrite(STDOUT, "Hello $name");

// Exit correctly
exit(0);
?>



echo " hello world " | php stdin.php
result  hello world

<?php
//$stdin = fopen('php://stdin', 'r');
$stdin=stream_get_contents(STDIN);
echo $stdin;
?>

Other method

<?php

echo  " This is the result $argv[1]";

?>

a=$(echo 'ambiorix') | php cmd.php $a
 This is the result ambiorix