ordutf8 refactor spet test

ordutf8_test.php

<?php

function ordutf8_step1(string $char) : int
{
    $code = ord(substr($char, 0, 1));

    if ($code >= 128) {

        if ($code < 224)
            $bytesnumber = 2;
        else if ($code < 240)
            $bytesnumber = 3;
        else if ($code < 248)
            $bytesnumber = 4;

        $codetemp = $code - 192 - ($bytesnumber > 2 ? 32 : 0) - ($bytesnumber > 3 ? 16 : 0);

        $offset = 0;

        for ($i = 2; $i <= $bytesnumber; $i++) {
            $offset ++;
            $code2 = ord(substr($char, $offset, 1)) - 128;
            $codetemp = $codetemp * 64 + $code2;
        }

        $code = $codetemp;
    }

    return $code;
}

function ordutf8_step2(string $char) : int
{
    $code = ord(substr($char, 0, 1));

    if ($code >= 128) {
        $count = 0;

        if ($code < 224) {
            $bytesnumber = 2;
        } else if ($code < 240) {
            $bytesnumber = 3;
            $count = 32;
        } else if ($code < 248) {
            $bytesnumber = 4;
            $count = 48;
        }

        $codetemp = $code - 192 - $count;

        $offset = 0;

        for ($i = 2; $i <= $bytesnumber; $i++) {
            $offset ++;
            $code2 = ord(substr($char, $offset, 1)) - 128;
            $codetemp = $codetemp * 64 + $code2;
        }

        $code = $codetemp;
    }

    return $code;
}

function ordutf8_step3(string $char) : int
{
    $code = ord(substr($char, 0, 1));

    if ($code >= 128) {
        $count = 0;

        if ($code < 224) {
            $bytes = 2;
        } else if ($code < 240) {
            $bytes = 3;
            $count = 32;
        } else if ($code < 248) {
            $bytes = 4;
            $count = 48;
        }

        $temp = $code - 192 - $count;

        for ($i = 1; $i < $bytes; $i++) {
            $code = $temp = $temp * 64 + ord(substr($char, $i, 1)) - 128;
        }
    }

    return $code;
}

function ordutf8_step4(string $char) : int
{
    $code = ord(substr($char, 0, 1));

    if ($code > 127) {

        $bytes = 2; 
        $count = 0;

        if ($code > 223){
            $bytes = 3; 
            $count = 32;
        }

        if ($code > 239){
            $bytes = 4; 
            $count = 48;
        }

        $temp = $code - 192 - $count;

        for ($i = 1; $i < $bytes; $i++) {
            $code = $temp = $temp * 64 + ord(substr($char, $i, 1)) - 128;
        }
    }

    return $code;
}

function ordutf8_step5(string $char) : int
{
    $code = ord(substr($char, 0, 1));

    if ($code > 239){
        return ((($code - 240) * 64 + ord(substr($char, 1, 1)) - 128) * 
                64 + ord(substr($char, 2, 1)) - 128) * 
                64 + ord(substr($char, 3, 1)) - 128;
    }

    if ($code > 223){
        return (($code - 224) * 64 + ord(substr($char, 1, 1)) - 128)
                * 64 + ord(substr($char, 2, 1)) - 128;
    }

    if ($code > 127) {
        return ($code - 192) * 64 + ord(substr($char, 1, 1)) - 128;
    }

    return $code;
}

$cicles = 10000;
$char = 'ݟ';


$time = -microtime(true);
for($i = 0; $i < $cicles; $i++) {
    ordutf8_step1($char);
}
$time += microtime(true);

echo $time;
echo "<br/>\n";

$time = -microtime(true);
for($i = 0; $i < $cicles; $i++) {
    ordutf8_step2($char);
}
$time += microtime(true);

echo $time;
echo "<br/>\n";

$time = -microtime(true);
for($i = 0; $i < $cicles; $i++) {
    ordutf8_step3($char);
}
$time += microtime(true);

echo $time;
echo "<br/>\n";

$time = -microtime(true);
for($i = 0; $i < $cicles; $i++) {
    ordutf8_step4($char);
}
$time += microtime(true);

echo $time;
echo "<br/>\n";

$time = -microtime(true);
for($i = 0; $i < $cicles; $i++) {
    ordutf8_step5($char);
}
$time += microtime(true);

echo $time;