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@ 2013-12-23T12:44:19Z

<?php

foreach (array('Kisi', 0, 1) as $key) {
echo "KEY:".$key.PHP_EOL;

$tag = is_numeric($key) ? 'Kisi' : $key;

echo "TAG".$tag.PHP_EOL;
}

Output
Performance
VLD
References
Branches

is_numeric: documentation ( source)

preferences:dark modelive preview

61.63 ms | 402 KiB | 5 Q