<?php
$numbers = [10, 20, 30, 50, 235, 3000];
foreach ($numbers as $number) {
echo $number . PHP_EOL;
}
foreach ($numbers as $key => $value) {
echo $key . ' ' . $value . PHP_EOL;
}
PD9waHAKCiRudW1iZXJzID0gWzEwLCAyMCwgMzAsIDUwLCAyMzUsIDMwMDBdOwoKZm9yZWFjaCAoJG51bWJlcnMgYXMgJG51bWJlcikgewoJZWNobyAkbnVtYmVyIC4gUEhQX0VPTDsKfQoKZm9yZWFjaCAoJG51bWJlcnMgYXMgJGtleSA9PiAkdmFsdWUpIHsKCWVjaG8gJGtleSAuICcgJyAuICR2YWx1ZSAuIFBIUF9FT0w7Cn0=