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<?php function bqs($array, $qs = false) { $parts = array(); if ($qs) { $parts[] = $qs; } foreach ($array as $key => $value) { if (is_array($value)) { foreach ($value as $value2) { $parts[] = http_build_query(array($key => $value2)); } } else { $parts[] = http_build_query(array($key => $value)); } } return join('&', $parts); } $array = array( 'order_source' => array('google', 'facebook'), 'order_medium' => array('google-text'), ); echo bqs($array);
Output for git.master, git.master_jit, rfc.property-hooks
order_source=google&order_source=facebook&order_medium=google-text

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