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<?php $custom_fields = [ 'foo' => '17', ]; $time_intervals = ['day', 'month', 'year', 'hour', 'minute', 'period']; $data = [ 'fooday' => '17', 'foomonth' => 'March', 'name' => 'Chris' ]; var_dump(array_map(array_keys(null, $custom_fields, $time_intervals))); foreach (array_keys($custom_fields) as $name) { foreach ($time_intervals as $interval_name) { // ; } } var_dump($data); // Result should be array that only contains $data['name'] = 'Chris'
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught TypeError: array_keys(): Argument #1 ($array) must be of type array, null given in /in/3i41r:15 Stack trace: #0 /in/3i41r(15): array_keys(NULL, Array, Array) #1 {main} thrown in /in/3i41r on line 15
Process exited with code 255.

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