<?php $input = ['3' => '4', '4' => '5', '1' => '2']; $allowed = ['1', '2', '3']; $flipAllowed = array_flip($allowed); var_export( array_replace( array_intersect_key($flipAllowed, $input), // filtered allowed array_intersect_key($input, $flipAllowed) // filtered input ) );
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Value for `_results` contains invalid data `array`