It returns information about the operating system PHP is running on
Example
<?php
echo php_uname();
?>
Ouput
Linux phpcodez-System-Product-Name 2.6.35-22-generic #35-Ubuntu SMP Sat Oct 16 20:36:48 UTC 2010 i686
Tag Archives: PHP
realpath
It returns canonicalized absolute pathname
Example
<?php
chdir(‘/usr/local/’);
echo realpath(‘./../../var/www/’);
?>
Ouput
/var/www
DateTime::modify()
It alters the timestamp
Example
<?php
$date = new DateTime(‘2006-05-17’);
$date->modify(‘+2 day’);
echo $date->format(‘Y-m-d’);
?>
Output
2006-05-19
date_modify
It alters the timestamp and is an alias of DateTime::modify()
Example
<?php
$date = date_create(‘2007-05-17’);
date_modify($date, ‘+2 day’);
echo date_format($date, ‘Y-m-d’);
?>
Output
2007-05-19
DateTime::setISODate()
It sets the ISO date .
Example
<?php
$date = new DateTime();
$date->setISODate(2007, 7);
echo $date->format(‘Y-m-d’) ;
?>
Output
2007-02-12
date_isodate_set
It sets the ISO date and is an alias of DateTime::setISODate()
Example
<?php
$date1 = date_create();
date_isodate_set($date1, 2007, 2);
echo date_format($date1, ‘Y-m-d’);
?>
Output
2007-01-08
DateInterval::format()
It formats the interval
Example
<?php
$interval = new DateInterval(‘P12Y14DT16H18M’);
echo $interval->format(‘%d days’);
?>
Output
14 days
date_interval_format
It formats the interval and is an Alias of DateInterval::format()
Example
<?php
$interval = new DateInterval(‘P12D’);
echo $interval->format(‘%d days’);
?>
Output
12 days
DateInterval::createFromDateString()
It sets up a DateInterval from the relative parts of the string.
Example
<?php
echo “<pre>”;
$interval = DateInterval::createFromDateString(‘1 month’);
print_r($interval);
?>
Output
DateInterval Object
(
[y] => 0
[m] => 1
[d] => 0
[h] => 0
[i] => 0
[s] => 0
[invert] => 0
[days] => 0
)
date_interval_create_from_date_string
It sets up a DateInterval from the relative parts of the string and is an alias of DateInterval::createFromDateString()
Example
<?php
echo “<pre>”;
$interval = DateInterval::createFromDateString(‘1 month’);
print_r($interval);
?>
Output
DateInterval Object
(
[y] => 0
[m] => 1
[d] => 0
[h] => 0
[i] => 0
[s] => 0
[invert] => 0
[days] => 0
)