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<?php echo http_build_query(array('test'=>'ff', 'foo'=>'bar'), null, '&', PHP_QUERY_RFC3986);
Output for git.master, git.master_jit, rfc.property-hooks
Deprecated: http_build_query(): Passing null to parameter #2 ($numeric_prefix) of type string is deprecated in /in/cTu0R on line 3 test=ff&foo=bar

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