Description:
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Steps to reproduce
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Run the code below, and then press the "submit" button.


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Results of expect
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I hope that "count($_POST['test'])" is "10000".However, the return value of the 
function was "0".
Variable "i" to this problem reproduce is "334" or over.


Test script:
---------------
Please submit button.
<?=ini_get('post_max_size')?><br />
1456669==<?=$_SERVER['CONTENT_LENGTH']?><br />
10000==<?=count($_POST['test'])?><br />

<form method="POST" action="" >
<?php
//333OK 334NG
for ($i=0; $i < 10000; $i++) {

    ?>
    <input name="test[<?=$i?>]" value="<?=md5($i)?>" type="hidden" />
    <input name="test2[<?=$i?>]" value="<?=md5($i)?>" type="hidden" />
    <input name="test3[<?=$i?>]" value="<?=md5($i)?>" type="hidden" />
    <?php
}

?>
    <input type="submit" />
</form>

Expected result:
----------------
count($_POST['test'])
-> 10000

Actual result:
--------------
count($_POST['test'])
-> 0