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"; ?> |
Output:
0 9 100 878 100 200
Reference: https://www.php.net/manual/en/splfixedarray.setsize.php
