PHP: serialize() function
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.
(PHP 4 and above)
|value1||The value to be serialized||Required||Mixed*|
*Mixed: Mixed indicates that a parameter may accept multiple (but not necessarily all) types.
Value Type: String.
<?php $serialized_data = serialize(array('Math', 'Language', 'Science')); echo $serialized_data . '<br>'; ?>
Practice here online :
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:
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
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