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Date function in php

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<?php
$timestamp = strtotime( "February 15, 2015" );
print date( 'Y-m-d', $timestamp );
?>

Output : 2015-02-15

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<?php
// created_on = 2020-10-06 18:14:09
// date this format
$input = $allopenappl['created_on'];
$date = strtotime($input);
echo date('d-m-Y',$date);
?>

output : 06-10-2020

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<?php echo date("H:i:s"); ?>

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<?php
echo date("d/m/Y") . " ";
echo date("d-m-Y") . " ";
echo date("d.m.Y");
?>

Output :
02/03/2021
02-03-2021
02.03.2021

Return current date and time from the remote server

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<?php
// Return current date and time from the remote server
echo date("h:i:s") . " ";
echo date("F d, Y h:i:s A") . " ";
echo date("h:i a");
?>

Output :
10:53:44
March 02, 2021 10:53:44 AM
10:53 am

h - Represent hour in 12-hour format with leading zeros (01 to 12)
H - Represent hour in in 24-hour format with leading zeros (00 to 23)
i - Represent minutes with leading zeros (00 to 59)
s - Represent seconds with leading zeros (00 to 59)
a - Represent lowercase ante meridiem and post meridiem (am or pm)
A - Represent uppercase Ante meridiem and Post meridiem (AM or PM)

Convert Timestamp to Human Readable Format

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<?php
/* Return current date and time
from the remote server as timestamp
*/
$timestamp = time();
echo($timestamp);
echo " ";

// Converting timestamp to human readable format
echo(date("F d, Y h:i:s", $timestamp));
?>

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<?php
$date1=date_create("2013-03-15");
$date2=date_create("2013-12-12");
$diff=date_diff($date1,$date2);
echo $diff->format("%R%a days");
?>

How to get days between two date.

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$dt1 = date_create($row->departure_date);
$dt2 = date_create($row->arival_date);
$diff = date_diff($dt1,$dt2);
echo $diff->format("%R%a days");

The PHP mktime() Function

The mktime() function is used to create the timestamp based on a specific date and time. If no date and time is provided, the timestamp for the current date and time is returned.

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mktime(hour, minute, second, month, day, year)

Example :-

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The following example displays the timestamp corresponding to 3:20:12 pm on May 10, 2014:

<?php
// Create the timestamp for a particular date
echo mktime(15, 20, 12, 5, 10, 2014);
?>

output :
1399735212

Date Difference

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<?php
$date1 = date('Y-m-d', strtotime($dt_res['created_at']));
$date2 = date('Y-m-d');

$diff = abs(strtotime($date2)-strtotime($date1));
$years = floor($diff / (365*60*60*24));
$months = floor(($diff - $years * 365*60*60*24) / (30*60*60*24));
$days = floor(($diff - $years * 365*60*60*24 - $months*30*60*60*24)/ (60*60*24));

if($years!=0 && $months!=0 && $days!=0){
$time_elapsed=$years.' Years '.$months.' Months '.$days.' Days ';
}
else if($years==0 && $months!=0 && $days!=0){
$time_elapsed=$years.' Years '.$months.' Months '.$days.' Days ';
}
else if($years==0 && $months==0 && $days!=0){
$time_elapsed=$days.' Days ';
}
else if($years==0 && $months!=0 && $days==0){
$time_elapsed=$months.' Months ';
}
else if($years!=0 && $months!=0 && $days==0){
$time_elapsed=$years.' Years '.$months.' Months ';
}
else if($years!=0 && $months==0 && $days!=0){
$time_elapsed=$years.' Years '.$days.' Days ';
}
else {
$time_elapsed='------';
}
echo $time_elapsed;
?>

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Itechtuto

Codeigniter Tutorials

Date function in php

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