Online PHP editor | refs for DFEtS

<?php $array = [ 'label' => 'Evening', 'hour' => '15', 'minute' => '00', 'add_time' => 'enabled', 'zlzkrrwlwchehhtvdnmq_add_date' => '29 November 2022', 'zlzkrrwlwchehhtvdnmq_zoom_id' => null, 'zlzkrrwlwchehhtvdnmq_stock' => null, 'sfujorleiwijcczciess_add_date' => '30 November 2022' ]; $whitelist = ['add_date', 'hour', 'minute']; var_export( array_filter( $array, function($k) use($whitelist) { foreach ($whitelist as $string) { if (str_contains($k, $string)) { return true; } } return false; }, ARRAY_FILTER_USE_KEY ) );