<?php $_POST['foo'] = ''; $_POST['bar'] = ''; $_POST['baz'] = ''; // fields $fields = [['Label_Field' => 'foo']]; // just labels $labels = array_column($fields, 'Label_Field'); // filter $_POST by keys which are in $labels $data = array_filter($_POST, fn($k) => in_array($k, $labels), ARRAY_FILTER_USE_KEY); print_r($data);
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