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Editorial Team
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Asked: 2026-05-26T09:31:00+00:00

I have a mySQl. I have an inventory database. I would like to send

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I have a mySQl. I have an inventory database. I would like to send an email to a person when the inventory is equal or less than a preset value.

Is this possible on client side or server side? using PHP?

Any examples?

Erik

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1 Answer

  1. Editorial Team

    To test via cron (or a scheduled task), setup a script like this to run every few minutes. If you wanted to be clever, store the notification threshold in the database along with the product. That would enable you to notify multiple people for multiple products in a loop.

    #!/usr/bin/php -q
<?php
// Your preset inventory...
$threshold = 5;
$recipient = "email@example.com";

$result = mysql_query("SELECT inventory FROM tbl WHERE product='whatever';");
if ($result) {
  $row = mysql_fetch_assoc($result);
  $inventory = $row['inventory'];
  if ($inventory <= $threshold) {
    $msg = "Inventory for product has fallen beneath threshold. $inventory remaining.";
    mail($recipient, "Inventory check below threshold", $msg);
  }
}
else {
  $msg = "An error occurred while checking inventory: " . mysql_error();
  mail($recipient, "Inventory check error", $msg);
}
?>

    To run this every ten minutes via cron:

     */10 * * * * /path/to/this/script.php
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