The SplObjectStorage::serialize() function is an inbuilt function in PHP which is used to serialize the result of the storage.
Syntax:
string SplObjectStorage::serialize()
Parameters: This function does not accept any parameter.
Return Value: This function returns a string which is the representation of the storage.
Below programs illustrate the SplObjectStorage::serialize() function in PHP:
Program 1:
<?php // Create new storage class $str = new SplObjectStorage; $obj = new StdClass; $str ->attach( $obj , "neveropen" ); // Print serialize result echo $str ->serialize(); ?> |
x:i:1;O:8:"stdClass":0:{}, s:13:"neveropen";;m:a:0:{}
Program 2:
<?php $obj1 = new StdClass; $obj2 = new StdClass; // Create new storage class $gfg1 = new SplObjectStorage(); $gfg1 [ $obj1 ] = "Geeks" ; // Create new storage class $gfg2 = new SplObjectStorage(); $gfg2 [ $obj1 ] = "GFG" ; $gfg2 [ $obj2 ] = "GeeksClasses" ; print_r( $gfg1 ->serialize(). "\n" ); echo ( $gfg2 ->serialize(). "\n" ); ?> |
x:i:1;O:8:"stdClass":0:{}, s:5:"Geeks";;m:a:0:{} x:i:2;O:8:"stdClass":0:{}, s:3:"GFG";;O:8:"stdClass":0:{}, s:12:"GeeksClasses";;m:a:0:{}
Reference: https://www.php.net/manual/en/splobjectstorage.serialize.php