Online PHP editor | perf for rcBFZ

<?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 = '⌚'; $time = -microtime(true); for($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;

Version	System time (s)	User time (s)	Memory (MiB)
7.3.1	0.013	0.295	16.21
7.3.0	0.014	0.265	16.39
7.2.13	0.010	0.254	16.17
7.2.12	0.010	0.248	16.38
7.2.11	0.017	0.248	16.95
7.2.10	0.010	0.292	16.73
7.2.9	0.012	0.283	16.41
7.2.8	0.019	0.274	16.56
7.2.7	0.007	0.284	16.64
7.2.6	0.007	0.281	16.05
7.2.5	0.013	0.272	16.66
7.2.4	0.007	0.274	16.73
7.2.3	0.007	0.263	16.19
7.2.2	0.007	0.280	16.41
7.2.1	0.007	0.271	16.79
7.2.0	0.003	0.203	18.34
7.1.25	0.015	0.452	15.63
7.1.12	0.003	0.176	18.69
7.1.11	0.003	0.191	17.92
7.1.10	0.003	0.170	18.16
7.1.9	0.003	0.189	18.04
7.1.8	0.000	0.180	18.12
7.1.7	0.000	0.177	17.15
7.1.6	0.017	0.171	35.15
7.1.5	0.023	0.197	34.93
7.1.4	0.013	0.164	34.44
7.1.3	0.010	0.179	34.47
7.1.2	0.010	0.164	34.40
7.1.1	0.010	0.150	16.44
7.1.0	0.006	0.150	16.62