PHP code example of adrianschubek / optional

1. Go to this page and download the library: Download adrianschubek/optional library. Choose the download type require.

2. Extract the ZIP file and open the index.php.

3. Add this code to the index.php. 
    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

adrianschubek / optional example snippets


// UserRepository::find(123) returns `null`

$balance = optional(UserRepository::find(123))->getBankAccount()->getBalance(); // Ok, no error. returns null

$balance = UserRepository::find(123)->getBankAccount()->getBalance(); // Error