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Editorial Team
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Asked: 2026-05-13T08:21:13+00:00

$userid = $_SESSION[userid] $sqll = mysql_query(SELECT count(id) FROM entries WHERE userid=’$userid’); Is using count(id)

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$userid = $_SESSION[userid]
$sqll = mysql_query("SELECT count(id) FROM entries WHERE userid='$userid'");

Is using count(id) efficient? Or is there a better way?

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1 Answer

  1. Editorial Team

    count(*) should do.

    Make sure you escape $userid, though.

    Edit: just half-a-word of explanation. count(column) counts all rows for which column is not null. Using * is supposed to be the most efficient way of counting rows regardless of content and more descriptive in case someone (including yourself) is ever going to (re)read the code.

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