PHP | SplFixedArray offsetGet() Function

The SplFixedArray::offsetGet() function is an inbuilt function in PHP which is used to get the offset of the specified index in an array.

Syntax:

mixed SplFixedArray::offsetExists( $index )

Parameters: This function accepts a single parameter $index which specifies the requested offset.



Return Value: This function returns the offset of the array.

Below programs illustrate the SplFixedArray::offsetExists() 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;
  
// Check whether index exist or not
var_dump($gfg->offsetGet(2));
?>

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Output:

int(10)

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;
  
while($i < 6) {
      
    // Print the offset of the current index
    var_dump($gfg->offsetGet($i)); 
  
    $i++;
}
?>

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Output:

int(1)
int(5)
int(1)
int(11)
int(15)
int(17)

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



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