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@ 2020-01-13T13:40:30Z

<?php

$query_string = [
    'one'   => 1,    
    'two'   => '',
    'three' => null,        // gets omitted
    'four'  => ' ',         // gets encoded
    'five'  => "&test=test" // gets encoded
];

echo http_build_query($query_string);
echo "\n---\n";
echo http_build_query($query_string, '', '&amp;');
echo "\n\n\n\n\n";

Output
Performance
VLD
References
Branches

http_build_query: documentation ( source)

preferences:dark modelive previewkey bindings

34.22 ms | 404 KiB | 5 Q