<?php $custom_fields = [ 'foo' => '17', ]; $time_intervals = ['day', 'month', 'year', 'hour', 'minute', 'period']; $data = [ 'fooday' => '17', 'foomonth' => 'March', 'name' => 'Chris' ]; foreach (array_keys($custom_fields) as $name) { foreach ($time_intervals as $interval_name) { if (isset($data[$name . $interval_name])) { unset($data[$name . $interval_name]); } } } var_dump($data); // Result should be array that only contains $data['name'] = 'Chris'
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