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<?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 = 100000; $char = 'ݟ'; $time = -microtime(true); for($i = 0; $i < $cicles; $i++) { ordutf8_step1($char); } $time += microtime(true); echo $time; echo "\n"; $time = -microtime(true); for($i = 0; $i < $cicles; $i++) { ordutf8_step2($char); } $time += microtime(true); echo $time; echo "\n"; $time = -microtime(true); for($i = 0; $i < $cicles; $i++) { ordutf8_step3($char); } $time += microtime(true); echo $time; echo "\n"; $time = -microtime(true); for($i = 0; $i < $cicles; $i++) { ordutf8_step4($char); } $time += microtime(true); echo $time; echo "\n"; $time = -microtime(true); for($i = 0; $i < $cicles; $i++) { ordutf8_step5($char); } $time += microtime(true); echo $time;

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