<?php
function array_is_numerical($unsafeArray)
{
foreach($unsafeArray as $entry) {
if (!is_numeric($entry)) {
return false;
}
}
return true;
}
$testArray = array(1,2,3,4,5);
$testArray2 = array(1,2,3,'vier',5);
$testNumber = 1;
echo '(' . join(', ', $testArray) . ')';
echo '\n';
echo(array_is_numerical($testArray));
echo '\n';
echo(array_is_numerical($testArray2));
preferences:
58.47 ms | 402 KiB | 5 Q