For Classic Guest Dropdown, the number of guests to show can be set from Theme Options > General > Booking Settings

Help https://help.wprentals.org/article/how-to-manage-guest-options/#b_wpestate_id

How to Change guest number in search with an incremental value

In case want to change the guest dropdown that appears in the search front end with a dropdown that shows options in incremental value, you need to know that list is  is populated by a function called in advanced_search.php.

$guest_list             =   wpestate_get_guest_dropdown();

The actual function that has the dropdown list  is:

wpestate_get_guest_dropdown – defined in function libs/help_functions.php.

Make the change in libs/help_functions.php to change advanced search dropdown. 

Ex: This new code

for($i=100 ; $i<2101;$i += 100)

Live code screenshot

This code would result into this dropdown style:

Change guest number in Submit Form

For submit property pages go into submit_templates/ property_description.php and property_description_first.php and  around line 170 you have


for($i=0; $i<15; $i++) {


Change the PHP code to include incremental values and change your values as you wish

Ex: This new code

for($i=100 ; $i<2101;$i += 100)

Live code screenshot

This code would result into this dropdown style:

Contact:

For contact owner form from property page go into libs\ajax_functions.php , function wpestate_show_contact_form_simple  and  around line 2208  you have

for ($i = 2; $i <= 14; $i++) {

Change the PHP code to include incremental values and change your values as you wish.