[PHP] POST problem

Imam naslednjo kodo, ki se poveže na strežnik in pošlje zahtevo POST. Odgovor nato preberem.
Problem je, ker se v m2.php nobena spremenljivka ne nastavi na postane vrednosti. V čem je problem?

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m1.php
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$a = fsockopen("localhost",80,$eer,$eer2,30);

fputs($a,"POST /m2.php HTTP/1.0\r\n");
fputs($a,"Host: localhost\r\n");
fputs($a,"Content-Length: 11\r\n");
fputs($a,"\n");
fputs($a,"x=111&y=222\n");
fputs($a,"\n");

while(!feof($a))
   print fgets($a,1024);

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m2.php
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print $_REQUEST['x'];
print $_REQUEST['y'];