I have logical problem with if...else in PHP that using date in operation.

What I want is:

• if $jd less than $jam printout 'red'
• if between $jam and $jam plus 2 hours printout 'green',
• if $jd more than $h1 printout 'white'.

This is the source code:

date_default_timezone_set('Asia/Jakarta');  
$jam = Date('H:i'); 
$jd = '12:00:00';
$h1 = $jd   2;

if ($jd > $h1){     
    echo 'white'; 
} elseif ($jd < $h1) {  
    if ($jd > $jam) {
        echo 'green';
    } else {
        echo 'red';
    }    
}

The problem is the $jd value more than $jam plus 2 hours its printout 'green' instead 'white'.

@_@

It seems doesn't work with date operation, but with number its working.

Please kindly help?

CodePudding user response：

https://www.php.net/manual/en/datetime.add.php

<?php
$date = date_create('2000-01-01');
date_add($date, date_interval_create_from_date_string('10 days'));
echo date_format($date, 'Y-m-d');
?>

You should add a given timespan using the date_add function

CodePudding user response：

date_default_timezone_set('Asia/Jakarta');
$staticTime = '12:00:00';
$jam = strtotime(date('H:i'));
$jd = strtotime($staticTime); 
$h1 = strtotime($jam . "  2hours");

if($jd < $jam) {
    echo 'red';
} else if($jd > $jam && $jd < $h1 ) {
    echo 'green';
} else if($jd > $h1) {
    echo 'white';
}

convert the time to strtotime to compare