PHP SplFixedArray setSize() Function

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The SplFixedArray::setSize() function is an inbuilt function in PHP which is used to set the size of the array.

Syntax:

bool SplFixedArray::setSize( $size )

Parameters: This function accepts a single parameter $size which specifies the size of the array.

Return Value: This function returns true on success, false otherwise.

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

Program 1:

<?php 
  
// Create fixed size array 
$gfg = new SplFixedArray(50); 
  
// Print size before set 
echo $gfg->getSize() . "\n"; 
  
// Set size of array  
$gfg->setSize(110); 
  
// Print result after set the size 
echo $gfg->getSize() . "\n"; 
?> 

Output:

50
110

Program 2:

<?php 
  
// Create some fixed size array 
$gfg1 = new SplFixedArray(0); 
$gfg2 = new SplFixedArray(9); 
$gfg3 = new SplFixedArray(100); 
$gfg4 = new SplFixedArray(878); 
   
// Print Size of the array 
echo $gfg1->getSize() . "\n"; 
echo $gfg2->getSize() . "\n"; 
echo $gfg3->getSize() . "\n"; 
echo $gfg4->getSize() . "\n"; 
   
// Set array size 
$gfg1->setSize(100); 
$gfg2->setSize(200); 
   
// Print size after set 
echo $gfg1->getSize() . "\n"; 
echo $gfg2->getSize() . "\n"; 
?> 