Online PHP editor | output for Sq2f1

@ 2014-04-05T11:54:11Z

<?php

function solution(&$A) {
    $n = sizeof($A);
    $result = 0;
    for ($i = 0; $i < $n - 1; $i++) {
        if ($A[$i] == $A[$i + 1])
            $result = $result + 1;
    }
    $r = 0;
    for ($i = 0; $i < $n; $i++) {
        $count = 0;
        if ($i > 0) {
            if ($A[$i - 1] != $A[$i])
                $count = $count + 1;
            else
                $count = $count - 1;
        }
        if ($i < $n - 1) {
            if ($A[$i + 1] != $A[$i])
                $count = $count + 1;
            else
                $count = $count - 1;
        }
        $r = max($r, $count);
    }
    return $result + $r;
}


$A[0] = 1;  
  $A[1] = 1;  
  $A[2] = 0;
  $A[3] = 1 ; 
  $A[4] = 0 ; 
  $A[5] = 0;


    print_r(solution($A));

Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6: 4
Output for 8.3.5: Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 4

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