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run code in 300+ PHP versions simultaneously
<?php $_POST['Type'] = ''; $_POST['Company'] = 'Cloud Inc.'; $_POST['InvoiceNumber'] = 'AB-333'; $_POST['Price'] = '100'; $_POST['Date'] = NULL; $non_empty_element = array_filter($_POST); $empty_element = array_diff($_POST,$non_empty_element); print_r($empty_element); ?>
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.4, 8.3.6 - 8.3.7
Array ( [Type] => [Date] => )
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Array ( [Type] => [Date] => )

preferences:
126.43 ms | 402 KiB | 214 Q