PHP SplObjectStorage setInfo() Function

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The SplObjectStorage::setInfo() function is an inbuilt function in PHP which is used to set the data associated with the current iterator entry.

Syntax:

void SplObjectStorage::setInfo( $val )

Parameters: This function accepts a single parameter $val which specifies the data to be associate to the current iterator entry of the storage.

Return Value: This function does not return any value.

Below programs illustrate the SplObjectStorage::setInfo() function in PHP:

Program 1:

<?php 
  
$str = new SplObjectStorage(); 
  
$obj1 = new StdClass; 
  
$str->attach($obj1, "zambiatek"); 
  
$str->rewind(); 
  
// Set new info for $obj1 in storage $str 
$str->setInfo("new_zambiatek"); 
  
// Print Result 
var_dump($str[$obj1]); 
?> 

Output:

string(17) "new_zambiatek"

Program 2:

<?php 
  
$obj1 = new StdClass; 
$obj2 = new StdClass; 
$obj3 = new StdClass; 
  
$gfg = new SplObjectStorage(); 
$gfg[$obj1] = "GFG"; 
$gfg[$obj2] = "GeeksClasses"; 
$gfg[$obj3] = "SUDO"; 
  
// Using rewind function 
$gfg->rewind(); 
  
while($gfg->valid()) { 
  
    $gfg->setInfo("Modified_GFG_DATA"); 
    var_dump($gfg->getInfo()); 
      
    // Moving to next element 
    $gfg->next(); 
} 
?> 

Output:

string(17) "Modified_GFG_DATA"
string(17) "Modified_GFG_DATA"
string(17) "Modified_GFG_DATA"

Reference: https://www.php.net/manual/en/splobjectstorage.setinfo.php

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