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Warning: session_start(): Failed to read session data: files (path: /var/lib/php/sessions) in /var/www/tb-usercake/models/config.php on line 51
static long byteArraysTotalDiff(byte[] a, byte[] b) { long diff = 0; int n = l(a); assertEquals("array length", n, l(b)); for i to n: diff += abs(((int) a[i])-b[i]); ret diff; }