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<?php $array = array ( 0 => array ( 'email' => array ( 0 => 'test@domain.de', ), 'customerID' => '13', ), 1 => array ( 'email' => array ( 0 => 'mail@domain.de', 1 => 'yourmail@domain.de', ), 'customerID' => '48', ), ); print_r(array_filter($array, fn($x) => array_search('test@domain.de', $x['email']) !== false));
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [0] => Array ( [email] => Array ( [0] => test@domain.de ) [customerID] => 13 ) )

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