3v4l.org

run code in 300+ PHP versions simultaneously
<?php // https://stackoverflow.com/questions/35536141/converting-binary-data-to-ascii-with-php-any-possibility/35536281#35536281 function bin2ascii($input) { $output = ''; for($i=0; $i<strlen($input); $i+=8) { $output .= chr(intval(substr($input, $i, 8), 2)); } return $output; } https://stackoverflow.com/questions/6382738/convert-string-to-binary-then-back-again-using-php/6382880#6382880 function ascii2bin($input) { return array_reduce(str_split($input), fn ($acc, $i) => $acc .= decbin(ord($i))); //return array_reduce(str_split($input), fn ($acc, $i) => $acc .= str_pad(decbin(ord($i)), 8, '0', STR_PAD_LEFT)); } $i = -114514; var_dump( decbin($i)); var_dump( ltrim(decbin($i), $i < 0 ? '1' : '0')); var_dump( ($i < 0 ? '1' : '0') . ltrim(decbin($i), $i < 0 ? '1' : '0')); var_dump( bin2ascii(($i < 0 ? '1' : '0') . ltrim(decbin($i), $i < 0 ? '1' : '0'))); $o = rtrim(base64_encode(bin2ascii(($i < 0 ? '1' : '0') . ltrim(decbin($i), $i < 0 ? '1' : '0'))), '='); var_dump($o); $d = base64_decode($o); var_dump($d); $bits = ascii2bin($d); $signBit = decbin(ord($d))[0]; $paddedBits = str_pad($bits, (strlen($bits) + (strlen($bits) % 8)) / 8, $signBit, STR_PAD_LEFT); var_dump($bits); var_dump($signBit); var_dump($paddedBits); var_dump(intval($paddedBits, 2));

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.3.110.0060.00320.94
8.3.100.0030.00624.06
8.3.90.0040.01226.77
8.3.80.0090.00017.97
8.3.70.0110.00416.50
8.3.60.0100.00616.63
8.3.50.0160.00616.60
8.3.40.0130.00720.32
8.3.30.0130.00618.80
8.3.20.0060.00324.18
8.3.10.0050.00324.66
8.3.00.0050.00326.16
8.2.230.0140.00722.58
8.2.220.0070.00337.54
8.2.210.0040.00426.77
8.2.200.0030.00616.63
8.2.190.0130.00316.58
8.2.180.0040.01218.16
8.2.170.0150.00619.05
8.2.160.0000.01522.96
8.2.150.0040.00425.66
8.2.140.0040.00424.66
8.2.130.0000.00826.16
8.2.120.0040.00426.16
8.2.110.0040.00722.25
8.2.100.0000.01117.84
8.2.90.0040.00417.84
8.2.80.0000.00719.27
8.2.70.0080.00017.93
8.2.60.0040.00419.65
8.2.50.0040.00418.07
8.2.40.0100.00021.13
8.2.30.0000.00718.16
8.2.20.0040.00419.36
8.2.10.0120.00417.73
8.2.00.0130.00417.68
8.1.290.0060.00330.84
8.1.280.0070.01025.92
8.1.270.0000.00724.66
8.1.260.0000.00826.35
8.1.250.0080.00028.09
8.1.240.0030.00722.01
8.1.230.0040.00822.61
8.1.220.0030.00717.77
8.1.210.0060.00318.88
8.1.200.0050.00517.35
8.1.190.0040.00417.35
8.1.180.0000.00918.10
8.1.170.0000.00918.46
8.1.160.0040.00418.94
8.1.150.0030.00618.61
8.1.140.0170.00017.45
8.1.130.0130.00417.35
8.1.120.0120.00617.38
8.1.110.0190.00017.54
8.1.100.0180.00017.49
8.1.90.0120.00717.56
8.1.80.0100.01017.46
8.1.70.0130.00817.41
8.1.60.0130.00617.67
8.1.50.0120.00817.57
8.1.40.0170.00017.53
8.1.30.0150.00717.68
8.1.20.0210.00017.52
8.1.10.0120.00817.60
8.1.00.0080.00817.49
8.0.300.0040.00420.10
8.0.290.0050.00316.88
8.0.280.0000.00718.54
8.0.270.0070.00716.77
8.0.260.0160.00016.76
8.0.250.0160.00016.75
8.0.240.0110.00416.76
8.0.230.0040.00916.76
8.0.220.0130.00016.66
8.0.210.0110.00016.72
8.0.200.0070.00716.88
8.0.190.0070.00716.82
8.0.180.0080.00516.77
8.0.170.0070.00516.86
8.0.160.0090.00416.78
8.0.150.0050.00618.45
8.0.140.0120.00016.77
8.0.130.0100.00516.69
8.0.120.0100.00516.78
8.0.110.0130.00316.71
8.0.100.0140.00016.71
8.0.90.0120.00616.70
8.0.80.0120.00416.79
8.0.70.0130.00316.85
8.0.60.0080.00816.84
8.0.50.0070.00716.67
8.0.30.0080.00816.79
8.0.20.0100.00316.83
8.0.10.0120.00516.97

preferences:
45.4 ms | 403 KiB | 5 Q