<?php function is_multi($array) { return (count($array) != count($array, 1)); } var_export(is_multi([[]])); echo "\n---\n"; var_export(is_multi([[], []])); echo "\n---\n"; var_export(is_multi([1])); echo "\n---\n"; var_export(is_multi([[1], []])); echo "\n---\n";
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Value for `_results` contains invalid data `array`