note 9587 deleted from function.popen by felipe

Note Submitter: stevet at linuxfan dot com 

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In PHP3, I could do:

$query = "echo hello world | mycmd"
$fp = ($query, "r");

Under PHP4, this just produces "hello world | mycmd" as the output - the pipe is not executed.

Instead, use:

$query = "hello world";
$cmd = "mycmd";
$fp = popen($cmd, "w+");
fwrite($fp, $query);