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", "%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)
8.3.70.0100.01016.50
8.3.60.0120.00316.35
8.3.50.0080.01222.04
8.3.40.0140.00718.72
8.3.30.0070.00718.84
8.3.20.0090.00018.56
8.3.10.0070.00021.94
8.3.00.0080.00021.63
8.2.190.0040.01116.63
8.2.180.0090.00616.50
8.2.170.0070.01122.96
8.2.160.0140.00422.26
8.2.150.0050.00324.18
8.2.140.0090.00024.66
8.2.130.0070.00019.95
8.2.120.0040.00426.35
8.2.110.0070.00321.00
8.2.100.0060.00617.97
8.2.90.0040.00419.18
8.2.80.0000.00818.04
8.2.70.0060.00317.63
8.2.60.0000.00818.05
8.2.50.0000.00818.10
8.2.40.0040.00420.66
8.2.30.0000.00821.10
8.2.20.0060.00318.13
8.2.10.0040.00418.01
8.2.00.0030.00617.81
8.1.280.0100.01025.92
8.1.270.0050.00323.83
8.1.260.0000.00728.09
8.1.250.0080.00028.09
8.1.240.0090.00023.98
8.1.230.0060.00619.21
8.1.220.0080.00017.76
8.1.210.0000.00818.77
8.1.200.0060.00317.35
8.1.190.0040.00417.35
8.1.180.0060.00318.10
8.1.170.0060.00318.89
8.1.160.0050.00223.84
8.1.150.0030.00718.90
8.1.140.0000.00719.49
8.1.130.0030.00317.68
8.1.120.0040.00417.37
8.1.110.0000.00817.33
8.1.100.0040.00417.37
8.1.90.0050.00317.50
8.1.80.0070.00017.37
8.1.70.0080.00017.51
8.1.60.0040.00417.48
8.1.50.0080.00017.44
8.1.40.0040.00417.44
8.1.30.0000.00817.66
8.1.20.0050.00317.60
8.1.10.0040.00417.59
8.1.00.0030.00617.53
8.0.300.0040.00418.77
8.0.290.0080.00016.75
8.0.280.0070.00018.41
8.0.270.0000.00717.24
8.0.260.0070.00017.27
8.0.250.0030.00317.01
8.0.240.0000.00916.93
8.0.230.0040.00416.88
8.0.220.0030.00316.77
8.0.210.0030.00316.94
8.0.200.0030.00317.00
8.0.190.0000.00717.00
8.0.180.0040.00416.96
8.0.170.0040.00416.81
8.0.160.0000.00716.80
8.0.150.0000.00816.75
8.0.140.0000.00716.79
8.0.130.0070.00013.38
8.0.120.0040.00416.88
8.0.110.0040.00416.91
8.0.100.0080.00016.94
8.0.90.0040.00417.02
8.0.80.0060.00916.93
8.0.70.0020.00516.78
8.0.60.0080.00016.95
8.0.50.0040.00416.93
8.0.30.0090.00816.98
8.0.20.0140.01017.40
8.0.10.0040.00417.02
8.0.00.0120.00616.75
7.4.330.0000.00515.55
7.4.320.0030.00316.44
7.4.300.0030.00316.54
7.4.290.0030.00316.52
7.4.280.0080.00016.43
7.4.270.0030.00316.57
7.4.260.0000.00716.52
7.4.250.0040.00416.58
7.4.240.0020.00516.62
7.4.230.0030.00316.53
7.4.220.0090.01016.44
7.4.210.0080.01216.55
7.4.200.0030.00316.42
7.4.160.0070.00916.59
7.4.150.0120.00617.40
7.4.140.0080.01017.86
7.4.130.0120.00716.46
7.4.120.0090.01016.46
7.4.110.0100.00616.42
7.4.100.0100.01316.36
7.4.90.0100.01316.53
7.4.80.0060.01219.39
7.4.70.0040.01816.48
7.4.60.0060.00916.50
7.4.50.0050.00516.36
7.4.40.0160.00616.52
7.4.30.0100.01016.51
7.4.10.0090.00615.17
7.4.00.0020.01615.04
7.3.330.0020.00213.25
7.3.320.0000.00513.37
7.3.310.0030.00316.26
7.3.300.0070.00016.42
7.3.290.0050.01016.33
7.3.280.0110.00816.36
7.3.270.0070.01717.40
7.3.260.0100.00716.43
7.3.250.0090.01116.41
7.3.240.0140.00716.38
7.3.230.0100.00716.58
7.3.210.0040.01216.34
7.3.200.0060.01216.60
7.3.190.0120.00416.29
7.3.180.0030.01716.52
7.3.170.0130.00916.57
7.3.160.0090.01016.39
7.3.130.0030.00914.97
7.3.120.0120.00814.76
7.3.110.0050.01315.02
7.3.100.0100.00614.91
7.3.90.0070.00914.65
7.3.80.0060.00815.09
7.3.70.0060.00514.75
7.3.60.0040.01114.86
7.3.50.0060.00814.55
7.3.40.0020.01214.95
7.3.30.0050.01014.91
7.3.20.0060.00816.71
7.3.10.0080.00716.60
7.3.00.0120.00416.61
7.2.330.0110.01416.52
7.2.320.0100.00916.73
7.2.310.0060.01116.51
7.2.300.0060.01916.59
7.2.290.0140.00316.64
7.2.260.0060.00615.33
7.2.250.0050.01315.13
7.2.240.0080.01015.23
7.2.230.0050.01015.17
7.2.220.0080.00715.24
7.2.210.0040.01015.01
7.2.200.0030.00715.15
7.2.190.0060.01015.08
7.2.180.0050.01014.91
7.2.170.0050.00815.02
7.2.160.0030.01215.23
7.2.150.0030.01116.91
7.2.140.0030.01316.98
7.2.130.0050.00717.00
7.2.120.0050.00916.71
7.2.110.0090.00716.87
7.2.100.0070.00716.82
7.2.90.0050.00916.61
7.2.80.0050.00816.80
7.2.70.0080.01216.99
7.2.60.0080.00816.84
7.2.50.0070.00816.91
7.2.40.0120.00517.11
7.2.30.0070.00916.87
7.2.20.0120.00516.96
7.2.10.0120.01016.88
7.2.00.0080.00617.64
7.1.330.0070.00715.90
7.1.320.0070.00715.90
7.1.310.0030.01315.74
7.1.300.0070.00715.86
7.1.290.0050.00715.86
7.1.280.0060.00315.81
7.1.270.0060.00715.67
7.1.260.0050.00715.93
7.1.250.0090.00415.67
7.1.240.0060.00615.66
7.1.230.0030.00915.99
7.1.220.0090.00616.00
7.1.210.0040.01115.87
7.1.200.0070.00515.90
7.1.190.0000.01415.76
7.1.180.0040.01115.65
7.1.170.0080.00815.93
7.1.160.0000.01415.60
7.1.150.0080.00315.82
7.1.140.0040.01115.78
7.1.130.0000.01316.03
7.1.120.0100.00715.66
7.1.110.0120.00315.96
7.1.100.0020.01215.87
7.1.90.0070.01015.75
7.1.80.0000.00916.06
7.1.70.0040.00816.22
7.1.60.0050.00716.27
7.1.50.0030.01415.83
7.1.40.0100.00715.72
7.1.30.0060.00615.65
7.1.20.0030.01215.74
7.1.10.0040.00815.71
7.1.00.0030.04619.08
7.0.330.0000.01115.32
7.0.320.0080.00815.47
7.0.310.0080.00415.59
7.0.300.0030.00815.46
7.0.290.0070.01015.34
7.0.280.0030.01015.60
7.0.270.0070.00715.44
7.0.260.0070.00315.46
7.0.250.0060.00915.44
7.0.240.0030.01015.62
7.0.230.0030.00815.45
7.0.220.0080.00015.14
7.0.210.0070.01015.58
7.0.200.0230.00515.01
7.0.190.0030.01015.21
7.0.180.0000.01415.40
7.0.170.0030.00615.46
7.0.160.0040.00715.39
7.0.150.0060.00615.45
7.0.140.0030.01315.54
7.0.130.0030.00915.57
7.0.120.0070.03218.66
7.0.110.0100.03218.79
7.0.100.0120.02718.71
7.0.90.0090.03218.78
7.0.80.0120.02818.76
7.0.70.0100.03318.59
7.0.60.0050.03318.69
7.0.50.0060.04018.87
7.0.40.0120.04117.84
7.0.30.0070.03917.82
7.0.20.0070.03817.83
7.0.10.0100.03217.61
7.0.00.0110.03117.80
5.6.400.0030.00914.82
5.6.390.0000.00914.38
5.6.380.0030.01014.27
5.6.370.0040.00814.76
5.6.360.0060.01014.76
5.6.350.0030.00614.77
5.6.340.0030.00614.47
5.6.330.0060.00614.76
5.6.320.0060.01214.62
5.6.310.0090.00314.30
5.6.300.0060.00914.50
5.6.290.0000.01614.70
5.6.280.0070.00414.61
5.6.270.0080.03117.79
5.6.260.0100.04117.88
5.6.250.0110.03117.75
5.6.240.0100.04117.65
5.6.230.0120.02817.61
5.6.220.0100.04317.74
5.6.210.0080.03317.60
5.6.200.0070.04217.67
5.6.190.0100.03317.81
5.6.180.0070.03417.64
5.6.170.0030.04117.74
5.6.160.0130.03117.62
5.6.150.0070.04117.86
5.6.140.0100.04117.83
5.6.130.0050.04417.79
5.6.120.0070.03917.81
5.6.110.0070.03717.77
5.6.100.0080.04017.63
5.6.90.0080.03817.79
5.6.80.0090.04117.22
5.6.70.0130.02817.33
5.6.60.0090.03417.41
5.6.50.0120.03017.41
5.6.40.0080.03217.19
5.6.30.0050.03717.33
5.6.20.0060.03117.37
5.6.10.0060.03517.42
5.6.00.0080.03017.41

preferences:
45.07 ms | 401 KiB | 5 Q