3v4l.org

run code in 500+ PHP versions simultaneously
<?php $array = [ 'name' => 'Bar', 'location' => 'Baz', 'foo.2021-02-01' => '50000.00', 'foo.2021-03-01' => '50000.00', 'foo.2021-04-01' => '50000.00', 'foo.2021-05-01' => '' ]; $result = []; foreach ($array as $key => $value) { if (sscanf($key, 'foo.%s', $date)) { $result[] = compact(['date', 'value']); } } var_export($result);

preferences:
22.8 ms | 476 KiB | 4 Q