PHP | ArrayObject serialize() Function Last Updated : 27 Sep, 2019 Comments Improve Suggest changes Like Article Like Report The ArrayObject::serialize() function is an inbuilt function in PHP which is used to serialize the ArrayObject. Syntax: string ArrayObject::serialize( void ) Parameters: This function does not accept any parameters. Return Value: This function returns the serialized representation of the ArrayObject. Below program illustrates the ArrayObject::serialize() function in PHP: Program: php <?php // PHP program to illustrate the // ArrayObject::serialize() function // Declare an associative array $arr = array( "a" => "Welcome", "b" => "to", "c" => "GeeksforGeeks" ); // Create array object $arrObject = new ArrayObject($arr); // Use ArrayObject::serialize() function // to get the behavior of flags $serialize1 = serialize($arrObject); $serialize2 = $arrObject->serialize(); // Display the result var_dump($serialize1); var_dump($serialize2); ?> Output: string(113) "C:11:"ArrayObject":89:{ x:i:0;a:3:{ s:1:"a";s:7:"Welcome"; s:1:"b";s:2:"to"; s:1:"c";s:13:"GeeksforGeeks"; } ;m:a:0:{} }" string(89) "x:i:0;a:3 { s:1:"a";s:7:"Welcome"; s:1:"b";s:2:"to"; s:1:"c";s:13:"GeeksforGeeks"; };m:a:0:{}" Reference: https://www.php.net/manual/en/arrayobject.serialize.php Comment More info J jit_t Follow Improve Article Tags : Web Technologies PHP PHP-function PHP-ArrayObject Explore PHP Tutorial 8 min read BasicsPHP Syntax 4 min read PHP Variables 5 min read PHP | Functions 8 min read PHP Loops 4 min read ArrayPHP Arrays 5 min read PHP Associative Arrays 4 min read Multidimensional arrays in PHP 5 min read Sorting Arrays in PHP 4 min read OOPs & InterfacesPHP Classes 2 min read PHP | Constructors and Destructors 5 min read PHP Access Modifiers 4 min read Multiple Inheritance in PHP 4 min read MySQL DatabasePHP | MySQL Database Introduction 4 min read PHP Database connection 2 min read PHP | MySQL ( Creating Database ) 3 min read PHP | MySQL ( Creating Table ) 3 min read PHP AdvancePHP Superglobals 6 min read PHP | Regular Expressions 12 min read PHP Form Handling 4 min read PHP File Handling 4 min read PHP | Uploading File 3 min read PHP Cookies 9 min read PHP | Sessions 7 min read Like