w3resource

PHP: serialize() function

Description

The serialize() converts a storable representation of a value.

A serialize data means a sequence of bits so that it can be stored in a file, a memory buffer, or transmitted across a network connection link.

Version:

(PHP 4 and above)

Syntax:

serialize(value1)

Parameter:

Name Description Required /
Optional
Type
value1 The value to be serialized Required Mixed*

*Mixed: Mixed indicates that a parameter may accept multiple (but not necessarily all) types.

Return value:

A string.

Value Type: String.

Example:

<?php
$serialized_data = serialize(array('Math', 'Language', 'Science'));
echo  $serialized_data . '<br>';
?>

Output:

a:3:{i:0;s:4:"Math";i:1;s:8:"Language";i:2;s:7:"Science";}

View the example in the browser

Practice here online :

See also

PHP Function Reference

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Next: settype



PHP: Tips of the Day

PHP - how to create a newline character?

Only double quoted strings interpret the escape sequences \r and \n as '0x0D' and '0x0A' respectively, so you want:

"\r\n"

Single quoted strings, on the other hand, only know the escape sequences \\ and \'.

So unless you concatenate the single quoted string with a line break generated elsewhere (e. g., using double quoted string "\r\n" or using chr function chr(0x0D).chr(0x0A)), the only other way to have a line break within a single quoted string is to literally type it with your editor:

$s = 'some text before the line break
some text after';

Make sure to check your editor for its line break settings if you require some specific character sequence (\r\n for example).

Ref : https://bit.ly/3hcyege