How can I split a string at the first occurrence of “-” (minus sign) into two $vars with PHP?

Question

How can I split a string at the first occurrence of - (minus sign) into two $vars with PHP?

I have found how to split on every \"-\" but, not only on the first occur

Answer 1

$array = explode('-', 'some-string', 2);

Then you could do $var1=$array[0] and $var2=$array[1].