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) { $crc64tab = crc64Table(); } print_r($crc64tab); $crc = 0; for ($i = 0; $i < strlen($string); $i++) { $crc = $crc64tab[($crc ^ ord($string[$i])) & 0xff] ^ (($crc >> 8) & ~(0xff << 56)); } return sprintf($format, $crc); } echo crc64("123456", "%u");

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)
8.3.60.0090.00616.75
8.3.50.0120.00617.94
8.3.40.0090.00618.63
8.3.30.0000.01818.69
8.3.20.0050.00318.63
8.3.10.0040.00421.76
8.3.00.0030.00523.53
8.2.180.0140.00016.38
8.2.170.0130.00322.96
8.2.160.0060.00922.07
8.2.150.0070.00324.18
8.2.140.0030.00624.66
8.2.130.0030.00526.16
8.2.120.0030.00519.95
8.2.110.0100.01320.38
8.2.100.0080.00418.04
8.2.90.0040.00418.16
8.2.80.0050.00317.97
8.2.70.0060.00317.75
8.2.60.0080.00017.93
8.2.50.0080.00018.10
8.2.40.0040.00420.59
8.2.30.0040.00421.01
8.2.20.0000.00918.20
8.2.10.0000.00718.15
8.2.00.0060.00317.73
8.1.280.0140.00725.92
8.1.270.0050.00323.92
8.1.260.0130.00626.35
8.1.250.0040.00428.09
8.1.240.0000.00820.98
8.1.230.0040.00721.04
8.1.220.0030.00517.74
8.1.210.0040.00420.13
8.1.200.0000.00917.35
8.1.190.0000.00817.38
8.1.180.0000.00918.10
8.1.170.0040.00418.71
8.1.160.0040.00423.92
8.1.150.0030.00718.99
8.1.140.0040.00419.63
8.1.130.0040.00417.74
8.1.120.0000.00917.41
8.1.110.0000.00717.43
8.1.100.0000.00717.34
8.1.90.0030.00617.51
8.1.80.0050.00317.45
8.1.70.0050.00317.40
8.1.60.0060.00317.60
8.1.50.0060.00317.59
8.1.40.0000.00817.47
8.1.30.0030.00517.68
8.1.20.0050.00317.57
8.1.10.0030.00517.66
8.1.00.0060.00317.49
8.0.300.0040.00420.34
8.0.290.0050.00316.63
8.0.280.0070.00018.50
8.0.270.0070.00017.29
8.0.260.0030.00317.30
8.0.250.0030.00516.88
8.0.240.0030.00616.96
8.0.230.0070.00016.96
8.0.220.0050.00316.93
8.0.210.0030.00316.88
8.0.200.0070.00016.84
8.0.190.0000.00716.88
8.0.180.0000.00717.00
8.0.170.0040.00416.93
8.0.160.0050.00316.92
8.0.150.0050.00316.77
8.0.140.0040.00416.95
8.0.130.0000.00613.41
8.0.120.0030.00516.80
8.0.110.0050.00216.91
8.0.100.0000.00816.79
8.0.90.0040.00416.98
8.0.80.0110.00416.92
8.0.70.0000.00816.93
8.0.60.0050.00316.99
8.0.50.0030.00516.84
8.0.30.0150.00717.18
8.0.20.0130.01017.40
8.0.10.0040.00416.88
8.0.00.0140.00316.76
7.4.330.0000.00515.55
7.4.320.0030.00316.69
7.4.300.0070.00016.64
7.4.290.0000.00816.56
7.4.280.0040.00416.46
7.4.270.0040.00416.55
7.4.260.0080.00016.48
7.4.250.0000.00716.59
7.4.240.0030.00416.58
7.4.230.0040.00416.75
7.4.220.0030.01316.69
7.4.210.0070.01016.52
7.4.200.0000.00716.55
7.4.160.0090.00716.48
7.4.150.0000.02117.40
7.4.140.0090.00917.86
7.4.130.0130.00616.67
7.4.120.0120.00616.54
7.4.110.0130.00616.49
7.4.100.0130.00616.63
7.4.90.0030.01716.52
7.4.80.0090.01519.39
7.4.70.0070.01116.36
7.4.60.0100.00616.59
7.4.50.0080.00416.44
7.4.40.0080.00816.67
7.4.30.0070.01016.60
7.4.10.0090.00815.57
7.4.00.0110.00615.33
7.3.330.0000.00513.23
7.3.320.0050.00013.39
7.3.310.0040.00416.43
7.3.300.0000.00716.40
7.3.290.0050.01116.38
7.3.280.0060.01116.38
7.3.270.0110.00617.40
7.3.260.0140.00516.63
7.3.250.0060.01016.52
7.3.240.0100.01016.43
7.3.230.0100.00916.39
7.3.210.0100.00716.33
7.3.200.0060.01316.63
7.3.190.0090.00916.48
7.3.180.0070.01316.66
7.3.170.0100.01016.59
7.3.160.0070.01316.31
7.3.130.0070.00915.35
7.3.120.0070.01115.40
7.3.110.0070.00815.50
7.3.100.0080.00715.46
7.3.90.0040.00815.25
7.3.80.0080.00615.40
7.3.70.0060.00615.46
7.3.60.0040.00915.47
7.3.50.0090.00815.32
7.3.40.0050.00815.31
7.3.30.0060.00815.40
7.3.20.0050.00917.17
7.3.10.0060.00817.11
7.3.00.0090.00517.21
7.2.330.0050.01416.78
7.2.320.0030.01616.89
7.2.310.0140.00316.75
7.2.300.0090.00916.61
7.2.290.0070.01016.77
7.2.260.0080.00915.67
7.2.250.0050.01315.63
7.2.240.0040.01115.51
7.2.230.0020.01315.56
7.2.220.0060.00815.59
7.2.210.0050.00915.66
7.2.200.0040.00815.55
7.2.190.0050.00715.51
7.2.180.0100.00815.60
7.2.170.0080.00515.63
7.2.160.0070.00615.51
7.2.150.0070.00817.47
7.2.140.0060.00817.39
7.2.130.0050.00817.50
7.2.120.0080.00717.52
7.2.110.0070.00617.41
7.2.100.0090.00617.44
7.2.90.0060.00817.60
7.2.80.0050.00817.49
7.2.70.0030.01217.50
7.2.60.0060.00917.34
7.2.50.0050.00717.20
7.2.40.0090.00917.40
7.2.30.0070.00617.55
7.2.20.0030.01017.40
7.2.10.0060.00917.47
7.2.00.0040.00818.02
7.1.330.0090.00616.39
7.1.320.0030.00916.41
7.1.310.0060.01016.18
7.1.300.0040.01116.20
7.1.290.0030.00916.30
7.1.280.0050.00816.34
7.1.270.0030.01016.16
7.1.260.0030.00916.35
7.1.250.0060.00816.26
7.1.240.0070.00716.26
7.1.230.0070.00616.19
7.1.220.0040.00816.29
7.1.210.0040.00816.22
7.1.200.0060.00716.27
7.1.190.0030.00816.31
7.1.180.0060.00716.27
7.1.170.0050.01016.36
7.1.160.0060.01016.37
7.1.150.0060.00816.18
7.1.140.0020.01216.33
7.1.130.0070.00516.45
7.1.120.0050.00816.22
7.1.110.0020.00916.39
7.1.100.0060.00516.45
7.1.90.0040.00916.34
7.1.80.0050.00816.16
7.1.70.0060.00516.54
7.1.60.0030.00916.58
7.1.50.0040.00816.40
7.1.40.0060.00616.17
7.1.30.0040.00716.31
7.1.20.0080.00616.38
7.1.10.0050.01116.17
7.1.00.0030.02417.82
7.0.330.0090.00516.11
7.0.320.0080.00815.89
7.0.310.0060.00915.92
7.0.300.0090.00515.98
7.0.290.0090.00815.94
7.0.280.0080.00715.88
7.0.270.0060.01016.02
7.0.260.0080.00915.93
7.0.250.0020.01315.97
7.0.240.0040.00716.08
7.0.230.0070.01115.88
7.0.220.0100.00915.98
7.0.210.0080.01015.99
7.0.200.0110.01115.54
7.0.190.0060.00815.96
7.0.180.0080.00516.03
7.0.170.0080.00716.05
7.0.160.0080.01115.87
7.0.150.0090.00915.96
7.0.140.0090.00615.93
7.0.130.0060.01015.89
7.0.120.0110.02017.39
7.0.110.0090.02217.50
7.0.100.0100.02317.47
7.0.90.0040.02717.52
7.0.80.0090.02417.55
7.0.70.0120.01917.51
7.0.60.0120.02017.48
7.0.50.0100.02417.50
7.0.40.0140.02315.93
7.0.30.0070.02516.14
7.0.20.0100.02316.03
7.0.10.0080.02315.97
7.0.00.0090.02515.99
5.6.400.0060.01215.05
5.6.390.0070.01014.97
5.6.380.0090.00715.19
5.6.370.0080.01114.78
5.6.360.0100.00514.93
5.6.350.0030.01415.00
5.6.340.0090.00715.07
5.6.330.0090.00715.11
5.6.320.0070.00815.16
5.6.310.0050.01315.05
5.6.300.0090.01015.20
5.6.290.0070.00814.97
5.6.280.0090.01015.07
5.6.270.0070.02616.38
5.6.260.0070.02116.44
5.6.250.0110.02516.50
5.6.240.0130.02216.57
5.6.230.0070.02916.51
5.6.220.0090.02616.57
5.6.210.0070.02516.46
5.6.200.0090.02616.48
5.6.190.0130.02716.52
5.6.180.0110.02116.57
5.6.170.0080.02616.45
5.6.160.0060.02716.51
5.6.150.0080.03016.51
5.6.140.0080.02916.59
5.6.130.0080.02416.44
5.6.120.0100.03016.57
5.6.110.0080.02316.57
5.6.100.0070.02716.53
5.6.90.0120.02216.53
5.6.80.0080.02316.25
5.6.70.0080.02316.17
5.6.60.0090.02316.39
5.6.50.0150.01616.33
5.6.40.0080.02216.26
5.6.30.0050.02716.26
5.6.20.0070.02616.36
5.6.10.0070.02816.24
5.6.00.0070.02416.29

preferences:
64.53 ms | 401 KiB | 5 Q