- var_dump: documentation ( source)
- array_filter: documentation ( source)
- array_keys: documentation ( source)
<?php
function test(array $array)
{
try
{
return isDictionary($array);
}
catch (Exception $e)
{
echo 'ss';
return 'error';
}
}
function isDictionary($array) {
return !(bool)count(array_filter(array_keys($array), 'is_string'));
}
$arr = 0;
var_dump(test($arr));