- array_map: documentation ( source)
- var_dump: documentation ( source)
- array_keys: documentation ( source)
<?php
$custom_fields = [
'foo' => '17',
];
$time_intervals = ['day', 'month', 'year', 'hour', 'minute', 'period'];
$data = [
'fooday' => '17',
'foomonth' => 'March',
'name' => 'Chris'
];
$values = [];
foreach (array_keys($custom_fields) as $field) {
$values += array_map(function ($interval) use ($field) { return $field . $interval; }, $time_intervals);
}
var_dump($values);
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'