<?php $tests = [ "On", "Off" ]; foreach ($tests as $test) { $result = [ "test" => $test, "boolval" => boolval($test), "FILTER_VALIDATE_BOOLEAN" => filter_var($test, FILTER_VALIDATE_BOOLEAN, FILTER_NULL_ON_FAILURE) ]; $result["agreement"] = $result["boolval"] === $result["FILTER_VALIDATE_BOOLEAN"]; echo json_encode($result, JSON_PRETTY_PRINT), "\n"; }
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Value for `_results` contains invalid data `array`