3v4l.org

run code in 300+ PHP versions simultaneously
<?php /** * @return array */ function crc64Table() { $crc64tab = []; // ECMA polynomial $poly64rev = (0xC96C5795 << 32) | 0xD7870F42; echo sprintf("%x", $poly64rev) . PHP_EOL; // ISO polynomial // $poly64rev = (0xD8 << 56); for ($i = 0; $i < 256; $i++) { for ($part = $i, $bit = 0; $bit < 8; $bit++) { if ($part & 1) { $part = ($part >> 1) ^ $poly64rev; } else { $part = ($part >> 1) ; } } $crc64tab[$i] = $part; } return $crc64tab; } /** * @param string $string * @param string $format * @return mixed * * Formats: * crc64('php'); // afe4e823e7cef190 * crc64('php', '0x%x'); // 0xafe4e823e7cef190 * crc64('php', '0x%X'); // 0xAFE4E823E7CEF190 * crc64('php', '%d'); // -5772233581471534704 signed int * crc64('php', '%u'); // 12674510492238016912 unsigned int */ function crc64($string, $format = '%x') { static $crc64tab; if ($crc64tab === null) { $crc64tab = crc64Table(); } $crc = 0; for ($i = 0; $i < strlen($string); $i++) { $crc = $crc64tab[($crc ^ ord($string[$i])) & 0xff] ^ (($crc >> 8) & ~(0xff << 56)); } return sprintf($format, $crc); } echo crc64("123456", "%d");

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)
8.3.70.0100.01016.50
8.3.60.0080.00816.38
8.3.50.0150.00522.10
8.3.40.0090.00618.84
8.3.30.0140.00318.75
8.3.20.0080.00018.77
8.3.10.0070.00021.73
8.3.00.0090.00021.87
8.2.190.0150.00016.58
8.2.180.0040.01116.63
8.2.170.0100.01022.96
8.2.160.0120.00622.14
8.2.150.0080.00424.18
8.2.140.0000.00924.66
8.2.130.0080.00019.82
8.2.120.0050.00226.35
8.2.110.0090.00022.13
8.2.100.0090.00317.91
8.2.90.0040.00419.35
8.2.80.0050.00317.97
8.2.70.0090.00017.63
8.2.60.0040.00418.16
8.2.50.0080.00018.10
8.2.40.0040.00420.46
8.2.30.0000.00921.01
8.2.20.0000.00818.12
8.2.10.0030.00518.23
8.2.00.0000.00817.69
8.1.280.0100.01025.92
8.1.270.0000.00723.79
8.1.260.0070.00028.09
8.1.250.0070.00028.09
8.1.240.0030.00717.36
8.1.230.0040.00719.61
8.1.220.0000.00817.77
8.1.210.0040.00418.77
8.1.200.0060.00317.35
8.1.190.0050.00317.35
8.1.180.0040.00418.10
8.1.170.0050.00318.84
8.1.160.0040.00422.06
8.1.150.0030.00620.72
8.1.140.0030.00619.62
8.1.130.0000.00717.63
8.1.120.0000.00717.44
8.1.110.0050.00317.34
8.1.100.0040.00417.50
8.1.90.0040.00417.50
8.1.80.0040.00417.36
8.1.70.0090.00017.39
8.1.60.0080.00017.56
8.1.50.0040.00417.45
8.1.40.0040.00417.53
8.1.30.0050.00317.66
8.1.20.0030.00617.61
8.1.10.0040.00417.59
8.1.00.0030.00617.47
8.0.300.0090.00018.77
8.0.290.0070.00016.75
8.0.280.0040.00418.39
8.0.270.0040.00417.23
8.0.260.0000.00717.14
8.0.250.0030.00316.87
8.0.240.0040.00417.01
8.0.230.0030.00316.94
8.0.220.0040.00416.91
8.0.210.0000.00816.91
8.0.200.0000.00616.95
8.0.190.0040.00416.92
8.0.180.0000.00716.96
8.0.170.0000.00716.90
8.0.160.0080.00016.90
8.0.150.0000.00716.97
8.0.140.0040.00416.82
8.0.130.0000.00513.37
8.0.120.0040.00416.83
8.0.110.0000.00716.91
8.0.100.0030.00516.97
8.0.90.0040.00416.97
8.0.80.0040.01116.82
8.0.70.0040.00416.89
8.0.60.0040.00416.72
8.0.50.0000.00716.94
8.0.30.0110.00717.00
8.0.20.0100.00917.40
8.0.10.0000.00816.98
8.0.00.0030.01516.74
7.4.330.0030.00315.55
7.4.320.0000.00616.43
7.4.300.0000.00616.62
7.4.290.0000.00816.50
7.4.280.0040.00416.50
7.4.270.0000.00716.57
7.4.260.0000.00716.46
7.4.250.0040.00416.48
7.4.240.0040.00416.47
7.4.230.0030.00616.62
7.4.220.0030.01616.72
7.4.210.0150.00616.58
7.4.200.0030.00316.59
7.4.160.0070.00916.43
7.4.150.0040.01517.40
7.4.140.0070.00917.86
7.4.130.0130.00616.65
7.4.120.0160.00516.50
7.4.110.0030.01316.45
7.4.100.0080.01216.56
7.4.90.0040.01416.46
7.4.80.0100.00719.39
7.4.70.0090.00916.51
7.4.60.0090.00916.49
7.4.50.0000.01216.63
7.4.40.0120.00316.55
7.4.30.0100.01016.66
7.4.00.0030.01314.71
7.3.330.0050.00013.36
7.3.320.0000.00513.14
7.3.310.0050.00216.22
7.3.300.0000.00716.37
7.3.290.0080.00716.36
7.3.280.0090.00616.38
7.3.270.0060.01217.40
7.3.260.0100.00716.51
7.3.250.0080.00916.44
7.3.240.0080.01216.51
7.3.230.0100.00716.40
7.3.210.0090.00916.61
7.3.200.0140.00316.25
7.3.190.0130.00516.66
7.3.180.0100.00716.38
7.3.170.0090.00916.27
7.3.160.0060.01216.38
7.2.330.0070.01116.55
7.2.320.0160.00716.73
7.2.310.0140.00416.79
7.2.300.0160.01016.66
7.2.290.0110.00616.91
7.2.60.0100.00616.95
7.2.50.0040.00716.63
7.2.00.0100.00719.40
7.1.200.0040.01215.83
7.1.70.0000.00817.19
7.1.60.0070.01116.91
7.1.00.0030.07322.36
7.0.200.0170.00714.89
7.0.120.0130.06022.06
7.0.110.0030.08321.98
7.0.100.0230.05722.17
7.0.90.0130.08722.10
7.0.80.0100.06021.96
7.0.70.0130.07022.14
7.0.60.0100.06722.11
7.0.50.0070.08022.12
7.0.40.0030.06022.12
7.0.30.0100.06322.08
7.0.20.0070.06022.05
7.0.10.0130.05722.10
7.0.00.0070.06321.93
5.6.270.0170.07720.93
5.6.260.0130.08321.11
5.6.250.0130.07321.00
5.6.240.0130.07021.14
5.6.230.0200.04720.78
5.6.220.0100.07321.00
5.6.210.0170.07020.92
5.6.200.0200.06720.89
5.6.190.0030.08320.89
5.6.180.0100.05321.10
5.6.170.0070.08321.02
5.6.160.0100.05720.79
5.6.150.0130.05320.86
5.6.140.0170.05320.96
5.6.130.0170.04721.09
5.6.120.0130.05321.04
5.6.110.0130.06020.96
5.6.100.0070.06721.04
5.6.90.0070.06320.95
5.6.80.0170.05020.48
5.6.70.0100.05720.44
5.6.60.0130.05320.41
5.6.50.0070.05320.48
5.6.40.0100.05720.43
5.6.30.0130.05320.24
5.6.20.0100.06020.42
5.6.10.0100.05720.24
5.6.00.0100.07320.20

preferences:
57.07 ms | 401 KiB | 5 Q