- print_r: documentation ( source)
<?php
$custom_fields = ['foo' => '17', 'boo' => '18'];
$time_intervals = ['day', 'month', 'year', 'hour', 'minute', 'period'];
$data = [
'fooday' => '17',
'foomonth' => 'March',
'name' => 'Chris',
'booyear' => '2014'
];
foreach ($custom_fields as $name => $values) {
foreach ($time_intervals as $interval_name) {
if (isset($data[$name . $interval_name])) {
unset($data[$name . $interval_name]);
}
}
}
print_r($data);