- print_r: documentation ( source)
<?php
$_POST['CandidateID'] =987797631;
$query = " SELECT w.WorkEligibilityInfoID,w.ApplicantID,e.ReverifyExpDate,e.ReverifyExpDate FROM CandidateApplicant As ca";
$query .= " JOIN WorkEligibilityInfo w";
$query .= " JOIN EmploymentEligibilityI9 e";
$query .= " ON ca.ApplicantID = w.ApplicantID";
$query .= " WHERE ca.CandidateID = " . $_POST['CandidateID'];
$query .= " AND w.EmploymentEligibilityI9ID = e.EmploymentEligibilityI9ID";
$query .= " AND e.ReverifyExpDate is NOT NULL";
$query .= " AND e.ReverifyDocType > 0";
print_r($query);