Sunday, November 22, 2020

PHP | localtime() Function

PHP localtime() Function


Hello dear readers! welcome back to another edition of our tutorial on PHP. In this tutorial guide, we are going to be discussing about the PHP localtime() Function.

The localtime() function returns the local time in the form of an array, with different components of time as elements of the array.

Syntax

Following below is the syntax to use this function -

localtime($timestamp, $is_assoc)


Parameter Details

Sr.NoParameter & Description
1

timestamp(Optional)

This is a integer value representing the Unix timestamp of the local time.

2

is_assoc(Optional)

This is a boolean value determining the type of the array returned. If this value is false the array returned will be normal array with integer index. If this value is true, the array returned will be associative with the components of a Unix time stamp as keys.

Keys of an associative array are: tm_sec, tm_min, tm_hour, tm_mday, tm_mon, tm_year, tm_wday, tm_yday, tm_isdst


Return Value

This function returns an array that represents the localtime.

PHP Version

This function was first introduced as part of the core PHP v 4 and, it works with all the later versions.

Example1

Following example illustrates the usage of localtime() function -

<?php
   $time = localtime();
   print_r($time);
?>

Output

When the above code is executed, it will produce the following result -

Array
(
    [0] => 22
    [1] => 22
    [2] => 15
    [3] => 22
    [4] => 10
    [5] => 120
    [6] => 0
    [7] => 326
    [8] => 0
)

Example2

Now let us invoke this built-in PHP function by passing all the needed parameters -

<?php
   $timestamp = time();
   $time = localtime($timestamp);
   print_r($time);
?>

Output

When the above code is executed, it will produce the following result -

Array
(
    [0] => 41
    [1] => 26
    [2] => 15
    [3] => 22
    [4] => 10
    [5] => 120
    [6] => 0
    [7] => 326
    [8] => 0
)

Example3

Try the following example -

<?php
   $timestamp1 = time() - (23*12*30);
   print_r($timestamp1); 
   print("\n");
   $timestamp2 = time() + (23*12*30);
   print_r($timestamp2); 
?>

Output

When the above code is executed, it will produce the following result -

Normal array: Array
(
    [0] => 23
    [1] => 8
    [2] => 14
    [3] => 12
    [4] => 4
    [5] => 120
    [6] => 2
    [7] => 132
    [8] => 0
)

Associative array: Array
(
    [tm_sec] => 23
    [tm_min] => 8
    [tm_hour] => 14
    [tm_mday] => 12
    [tm_mon] => 4
    [tm_year] => 120
    [tm_wday] => 2
    [tm_yday] => 132
    [tm_isdst] => 0
)


Alright guys! This is where we are rounding up for this tutorial post. In our next tutorial guide, we are going to be discussing about the PHP microtime() Function.

Do feel free to ask your questions where necessary and i will attend to them as soon as possible. If this tutorial was helpful to you, you can use the share button to share this tutorial.

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Thanks for reading and bye for now.
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