PHP | SplFixedArray rewind() Function

The SplFixedArray::rewind() function is an inbuilt function in PHP which is used to rewind the array iterator to start position.

Syntax:

void SplFixedArray::rewind()

Parameters: This function does not accept any parameter.



Return Value: This function does not return any value.

Below programs illustrate the SplFixedArray::rewind() function in PHP:

Program 1:

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<?php
  
// Create a fixed size array
$gfg = new SplFixedArray(6);
   
$gfg[0] = 1;
$gfg[1] = 5;
$gfg[2] = 10;
   
// Move to next index
$gfg->next();
$gfg->next();
   
// Print result before rewind
echo $gfg->current(). "\n";
  
// Using rewind function
$gfg->rewind();
  
// Print result after rewind
echo $gfg->current(). "\n";
  
?>

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Output:

10
1

Program 2:

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<?php
  
// Create some fixed size array
$gfg = new SplFixedArray(6);
   
$gfg[0] = 1;
$gfg[1] = 5;
$gfg[2] = 1;
$gfg[3] = 11;
$gfg[4] = 15;
$gfg[5] = 17;
  
$i = 0;
  
// Iterate array and print values
while($i < 6) {
       
     // Using rewind function
     // it will rewind each time at initial index
     $gfg->rewind();
       
    // Print current value of index of the array
    echo $gfg->current(). "\n";
       
    // Move next each time of iteration
    $gfg->next();
    $i++;
}
  
?>

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Output:

1
1
1
1
1
1

Reference: https://www.php.net/manual/en/splfixedarray.rewind.php



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