Online PHP editor | output for naM26

@ 2013-02-04T15:48:22Z

<?php
function check($input, $length = 4)
{
    $sequence = "abcdefghijklmnopqrstuvwxyz";
    $sequence .= substr($sequence, 0, $length - 1);
    // abcdefghijklmnopqrstuvwxyz is converted to abcdefghijklmnopqrstuvwxyzabc
    for ($i = 0; $i < strlen($sequence) - $length; $i++) {
        // loop runs for $i = 0...25
        if (strpos($input, substr($sequence, $i, $length)) !== false) {
            echo sprintf('"%s" contains "%s"' . PHP_EOL, $input, substr($sequence, $i, $length));
            return true;
        }
    }
    echo sprintf('"%s" is OK' . PHP_EOL, $input);
    return false;
}
check("youlookgreatbcdetoday"); // "youlookgreatbcdetoday" contains "bcde"
check("youlookgreatklmtoday");  // "youlookgreatklmtoday" is OK
check("youlookgreattoday");     // "youlookgreattoday" is OK
check("youlookgreattodayza");   // "youlookgreattodayza" is OK
check("youlookgreattodayzab");  // "youlookgreattodayzab" contains "yzab"

Output for 4.3.10 - 4.3.11, 4.4.0 - 4.4.9, 5.0.2 - 5.0.5, 5.1.1 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.36, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6: "youlookgreatbcdetoday" contains "bcde" "youlookgreatklmtoday" is OK "youlookgreattoday" is OK "youlookgreattodayza" is OK "youlookgreattodayzab" contains "yzab"
Output for 5.1.0: Fatal error: fatal flex scanner internal error--end of buffer missed in /in/naM26 on line 21
Process exited with code 255.
Output for 4.3.0 - 4.3.9, 5.0.0 - 5.0.1: Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/naM26 on line 10 "youlookgreatbcdetoday" contains "bcde"PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/naM26 on line 14 "youlookgreatklmtoday" is OKPHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/naM26 on line 14 "youlookgreattoday" is OKPHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/naM26 on line 14 "youlookgreattodayza" is OKPHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/naM26 on line 10 "youlookgreattodayzab" contains "yzab"PHP_EOL

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