<?php
$salaries = array(1000,1500,2000,2500,3000,4000,5000,6000,7000,9000,12000,18000,30000);
$str = '';
foreach($salaries as $salary)
{
    $str .= "<option value=\"$salary\">$salary+</option>";
}

function populateSalary()
{
    $salaries = array(1000,1500,2000,2500,3000,4000,5000,6000,7000,9000,12000,18000,30000);
    $str = '';
    foreach($salaries as $salary)
    {
    	$str .= "<option value=\"$salary\">$salary+</option>";
    }
    return $str;
}
?>
<select id="salaryExpect" name="salaryExpect">
    <option value="-1">--<option>
    <?php echo populateSalary(); ?>
</select>

Kodunda <option> </option> olarak böyle boş seçeneği yoktur, ama garip yeterince çıkışı var mı? Bakın.

Can have a look here: http://maishudi.com/test3.php