Sorry i change the second test :

//Version with PHP
$d = DateTime::createFromFormat('Y-m-d', $dateRdv);
$interval = date_diff($now, $d);
$nbDays = $interval->format('%d');
//$nbDays = 1;

Hi,

Your script does not run, and warns and fatals with the following output:

Warning: DateTime::createFromFormat() expects parameter 2 to be string, object given in Standard input code on line 6

Call Stack:
    4.3167     427200   1. {main}() Standard input code:0
    4.3179     429080   2. DateTime::createFromFormat($format = 'Y-m-d', $time = class DateTime { public $date = '2022-04-30 00:00:00.000000'; public $timezone_type = 3; public $timezone = 'UTC' }) Standard input code:6

Warning: date_diff() expects parameter 2 to be DateTimeInterface, bool given in Standard input code on line 7

Call Stack:
    4.3167     427200   1. {main}() Standard input code:0
    4.3180     430168   2. date_diff($object = class DateTime { public $date = '2022-04-28 15:10:33.671060'; public $timezone_type = 3; public $timezone = 'UTC' }, $object2 = FALSE) Standard input code:7

Fatal error: Uncaught Error: Call to a member function format() on bool in Standard input code on line 8

Error: Call to a member function format() on bool in Standard input code on line 8

Call Stack:
    4.3167     427200   1. {main}() Standard input code:0

Please attach a script that I can run without errors, and be very clear where the expected output is different from what you get. Hinting at it with // and some comments is not clear enough for me.

cheers,
Derick

Hi? Would you have the requested information please?

I don't know how to reproduce this, and the requested information was not provided so I am closing this report.