Denemedim. Gözümden kaçan birşey olmuş olabilir.
form.html
<form action="gonder.php?islem=yolla" method="post" name="contact" id="emailForm">
ISO 9001 <INPUT TYPE=CHECKBOX NAME="standart[]" value="ISO-9001">
ISO 14001 <INPUT TYPE=CHECKBOX NAME="standart[]" value="ISO-14001">
ISO 22000 <INPUT TYPE=CHECKBOX NAME="standart[]" value="ISO-22000">
IOHSAS 18001 <INPUT TYPE=CHECKBOX NAME="standart[]" value="IOHSAS-18001">
</from >
gonder.php
<?php
$islem = $_GET['islem'];
if ($islem == "yolla") {
?>
ISO 9001 <INPUT <?php echo in_array('ISO-9001', (array)$_REQUEST['standart']) ? 'checked="checked"' : '' ?> TYPE=CHECKBOX NAME="standart[]" value="ISO-9001">
ISO 14001 <INPUT <?php echo in_array('ISO-14001', (array)$_REQUEST['standart']) ? 'checked="checked"' : '' ?> TYPE=CHECKBOX NAME="standart[]" value="ISO-14001">
ISO 22000 <INPUT <?php echo in_array('ISO-22000', (array)$_REQUEST['standart']) ? 'checked="checked"' : '' ?> TYPE=CHECKBOX NAME="standart[]" value="ISO-22000">
IOHSAS 18001 <INPUT <?php echo in_array('IOHSAS-18001', (array)$_REQUEST['standart']) ? 'checked="checked"' : '' ?> TYPE=CHECKBOX NAME="standart[]" value="IOHSAS-18001">
}
?>
<?php }>