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PHP SplObjectStorage unserialize () function

Syntax:
void SplObjectStorage::unserialize ($serilize)
Parameters: This function takes one parameter, $serialize,which specifies the serialization of the storage string.Return value:This function does not return any value.The programs below illustrate the function SplObjectStorage::unserialize()in PHP:Program 1: $obj1 = new StdClass;  
// Create empty SplObjectStorage $gfg1 = new SplObjectStorage(); $gfg1 [ $obj1 ] = "Geeks" ;  
// Use the unserialize() function $gfg1 -> unserialize ( $gfg1 -> serialize()); print_r ( $gfg1 );  
?>
Exit:
SplObjectStorage Object ( [storage: SplObjectStorage: private] = > Array ([00000000494fcd4d000000001f544823] = > Array ([obj] = > stdClass Object() [inf] = > Geeks) [00000000494fcd4f000000001f544823] = [obj > stdClass Object() [inf] = > Geeks)))
Program 2: $obj1 = new StdClass; $obj2 = new StdClass;  
// Create empty SplObjectStorage $gfg1 = new SplObjectStorage(); $gfg1 [ $obj1 ] = "Geeks" ;  
// Create empty SplObjectStorage $gfg2 = new SplObjectStorage(); $gfg2 [ $obj1 ] = "GFG" ; $gfg2 [ $obj2 ] = "GeeksClasses" ;  
// Use the unserialize() function $gfg1 -> unserialize ( $gfg2 -> serialize()); var_dump ( count ( $gfg1 ));  
// Use the unserialize() function $gfg2 -> unserialize ( $gfg1 -> serialize()); var_dump ( count ( $gfg2 )); ?> Exit:
int (3 ) int (5)
Link: https://www .php.net / manual / en / splobjectstorage.unserialize.php

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