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PHP SplObjectStorage rewind () function

Syntax:
void SplObjectStorage::rewind()
Parameters:this the function takes no parameters.Return value:This function does not return any value.The following programs illustrate the functionS plObjectStorage::rewind()in PHP:Program 1:  
// Create empty SplObjectStorage $str = new SplObjectStorage(); $obj = new StdClass; $obj2 = new StdClass; $obj3 = new StdClass; $str -> attach ( $obj , " GFG " ); $str -> attach ( $obj2 , "Geeks" ); $str -> attach ( $obj3 , "FORK JAVA" );  
// Using the rewind function $str -> rewind ();  
// Get current data var_dump ( $str -> getInfo());  
// Go to next item $str -> next();  
// Get current data var_dump ( $str -> getInfo());  
// Using the rewind function again $str -> rewind ();  
// Get current data var_dump ( $str -> getInfo()); ?>
Exit:
string (3 ) "GFG" string (5) "Geeks" string (3) "GFG"
Program 2: $obj1 = new StdClass; $obj2 = new StdClass; $obj3 = new StdClass; $gfg = new SplObjectStorage(); $gfg [ $obj1 ] = "GFG" ; $gfg [ $obj2 ] = "GeeksClasses" ; $gfg [ $obj3 ] = "SUDO" ;  
// Using the rewind function $gfg -> rewind (); while ( $gfg -> valid()) { var_dump ( $gfg -> getInfo()); // Move to next element $gfg -> next(); }
?>
Exit:
string (3 ) "GFG" string (12) "GeeksClasses" string (4) "SUDO"
Link: https://www.php.net/manual/en/splobjectstorage.rewind.php
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