Running curl from a remote server using PHP

Question

I have this type of curl statement

curl -u xxx:yyy -d "aaa=111" http://someapi.com/someservice

I would like to run this varying aaa=bbb from a list

UPDATE: Code that works, built on Jimmy's code

<?PHP
$data = array('Aaa', 'Bbb', 'Ccc');
echo $data;    
$ch = curl_init();
curl_setopt($ch, CURLOPT_HTTPAUTH, CURLAUTH_BASIC);
curl_setopt($ch, CURLOPT_HTTPHEADER, array('Expect:')); //Fixes the HTTP/1.1 417 Expectation Failed Bug

curl_setopt($ch, CURLOPT_USERPWD, "xxx:yyy");

foreach ($data as $param) {
    curl_setopt($ch, CURLOPT_URL, 'http://...?aaa='.$param);
    $response = curl_exec($ch);
    echo "<hr>".$response; 
}
?>

Jimmy Sawczuk · Accepted Answer · 2011-05-02 14:17:57Z

2

In PHP, the code would look different since you'd probably want to use the built-in cURL client rather than exec() (edited to include a loop):

$data = array('111', '222', 'ccc');    

foreach ($data as $param)
{
    $ch = curl_init();

    $params = array('aaa' => $param);

    curl_setopt($ch, CURLOPT_URL, 'http://someapi.com/someservice');
    curl_setopt($ch, CURLOPT_HTTPAUTH, CURLAUTH_BASIC);
    curl_setopt($ch, CURLOPT_USERPWD, "xxx:yyy");

    /* used for POST
    curl_setopt($ch, CURLOPT_POST, true); 
    curl_setopt($ch, CURLOPT_POSTFIELDS, $params);
    */

    // for GET, we just override the URL
    curl_setopt($ch, CURLOPT_URL, 'http://someapi.com/someservice?aaa='.$param);

    $response = curl_exec($ch);
}

edited May 2, 2011 at 14:17

answered May 2, 2011 at 13:20

Jimmy Sawczuk

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4 Comments

mplungjan Over a year ago

Okee, that is acceptable. Can you do me one with more than one aaa ? i.e. aaa=111, aaa=222, aaa=ccc and a for loop with the response? - thanks

mplungjan Over a year ago

Thanks - can't I move the curl_init and all the setopts except the postfields outside the loop?

Jimmy Sawczuk Over a year ago

You can try it - I'm not sure how cURL builds that object and if you need to reinitialize it each time.

mplungjan Over a year ago

@Jimmy, I get Expect: 100-continue so can we make it a GET instead of POST?

Lumi · Accepted Answer · 2012-03-11 21:03:48Z

2

In Perl, you'd probably use LWP as it is contained in the standard distribution.

use strict;
use warnings;
use LWP::UserAgent;
use HTTP::Request::Common;

my $host = 'localhost'; # 'someapi.com';
my $url  = "http://$host/someservice";

my $ua = LWP::UserAgent->new( keep_alive => 1 );
$ua->credentials( $host, 'your realm', 'fridolin', 's3cr3t' );

for my $val ( '111', '222', '333' ) {
    my $req = POST $url, [aaa => $val];
    $req->dump; # debug output
    my $rsp = $ua->request( $req );
    if ( $rsp->is_success ) {
        print $rsp->decoded_content;
    } else {
        print STDERR $rsp->status_line, "\n";
    }
}

edited Mar 11, 2012 at 21:03

answered May 2, 2011 at 14:00

Lumi

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1 Comment

mplungjan Over a year ago

Thanks - I think I will stay in PHP if this kind of complexity is needed.

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