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<?php $my_array = [ "keywords" => "test", "locationId" => [ 0 => "1", 1 => "2"], "industries" => "1" ]; var_export( array_map( function($v) { return implode(',', (array)$v); }, $my_array ) );
Output for git.master, git.master_jit, rfc.property-hooks
array ( 'keywords' => 'test', 'locationId' => '1,2', 'industries' => '1', )

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