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<?php $array = array( 'Client' => 'foo', 'Grnd Compte' => 'bar', 'marchand' => 'foobaz' ); var_dump($array['client']); var_dump($array['grnd compte']); var_dump($array['Grnd Compte']);
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined array key "client" in /in/loYU8 on line 10 NULL Warning: Undefined array key "grnd compte" in /in/loYU8 on line 11 NULL string(3) "bar"

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