- var_dump: documentation ( source)
<?php
$form_cell_html = "<td class='receiving_portal_transparent_cell' onClick=\"submit_cell_form('$stripped_appointment_time', '$is_colored');\">"
. "<form id='$stripped_appointment_time' action='/shiplinx/appointment_request/' method='POST'>"
. "<input type='hidden' name='data[fixed_appointment]' value='1' />"
. "<input type='hidden' name='data[pre_determined_appointment][date]' value='$selected_formatted_time' />"
. "<input type='hidden' name='data[pre_determined_appointment][time]' value='$appointment_time' />"
. "<input type='hidden' name='data[pre_determined_appointment][door]' value='$door' />"
. "<input type='hidden' name='data[pre_determined_appointment][plant_id]' value='$plant_id' />"
. "</form>"
. "</td>";
var_dump($form_cell_html);