<?php
$custom_fields = [
'foo' => '17',
];
$time_intervals = ['day', 'month', 'year', 'hour', 'minute', 'period'];
$data = [
'fooday' => '17',
'foomonth' => 'March',
'name' => 'Chris'
];
function array_string_multiply($array1, $array2) {
foreach ($array1 as $field) {
yield array_map(function ($interval) use ($field) { return $field . $interval; }, $array2);
}
}
var_dump(array_string_multiply(array_keys($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'
preferences:
38.6 ms | 402 KiB | 5 Q