3v4l.org

run code in 300+ PHP versions simultaneously
<?php $value = 15; $highMap = 0xffffffff00000000; $lowMap = 0x00000000ffffffff; $higher = ($value & $highMap) >>32; $lower = $value & $lowMap; $packed = pack('NN@64', $higher, $lower); list($higher, $lower) = array_values(unpack('N2', $packed)); $originalValue = $higher << 32 | $lower; var_dump($originalValue); var_dump($originalValue == $value); var_dump(PHP_INT_SIZE == 8);

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)
8.3.60.0110.00718.43
8.3.50.0060.01116.64
8.3.40.0150.00618.87
8.3.30.0070.00718.93
8.3.20.0040.00418.85
8.3.10.0040.00418.90
8.3.00.0060.00319.38
8.2.180.0140.00716.88
8.2.170.0000.01422.96
8.2.160.0090.00618.95
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0000.00826.16
8.2.120.0070.00317.55
8.2.110.0070.00320.98
8.2.100.0040.00718.16
8.2.90.0040.00419.36
8.2.80.0060.00317.97
8.2.70.0080.00017.75
8.2.60.0050.00318.05
8.2.50.0040.00418.05
8.2.40.0000.00819.48
8.2.30.0050.00317.85
8.2.20.0030.00517.74
8.2.10.0040.00417.70
8.2.00.0000.00817.84
8.1.280.0060.00825.92
8.1.270.0030.00623.99
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0040.00422.61
8.1.230.0090.00317.79
8.1.220.0000.00817.74
8.1.210.0030.00618.77
8.1.200.0000.00817.35
8.1.190.0040.00417.22
8.1.180.0040.00418.10
8.1.170.0000.00817.62
8.1.160.0000.00719.01
8.1.150.0030.00718.63
8.1.140.0020.00517.45
8.1.130.0030.00317.57
8.1.120.0040.00417.50
8.1.110.0000.00817.57
8.1.100.0040.00417.52
8.1.90.0000.00717.56
8.1.80.0030.00417.43
8.1.70.0040.00417.49
8.1.60.0080.00017.57
8.1.50.0040.00417.55
8.1.40.0050.00317.50
8.1.30.0040.00417.68
8.1.20.0040.00817.63
8.1.10.0000.00817.62
8.1.00.0040.00417.43
8.0.300.0070.00218.77
8.0.290.0050.00216.63
8.0.280.0000.00718.69
8.0.270.0050.00317.38
8.0.260.0040.00416.89
8.0.250.0030.00617.07
8.0.240.0090.00017.04
8.0.230.0000.00817.03
8.0.220.0040.00416.89
8.0.210.0000.00717.01
8.0.200.0000.00616.91
8.0.190.0000.00717.02
8.0.180.0050.00316.95
8.0.170.0080.00316.98
8.0.160.0000.00716.87
8.0.150.0040.00416.86
8.0.140.0050.00616.84
8.0.130.0000.00513.37
8.0.120.0000.00916.87
8.0.110.0030.00316.73
8.0.100.0050.00216.77
8.0.90.0070.00016.89
8.0.80.0040.01416.86
8.0.70.0070.00016.89
8.0.60.0030.00516.96
8.0.50.0080.00016.86
8.0.30.0070.01317.09
8.0.20.0100.01016.88
8.0.10.0040.00417.16
8.0.00.0090.01416.80
7.4.330.0000.00613.14
7.4.320.0060.00016.54
7.4.300.0000.00716.56
7.4.290.0030.00316.51
7.4.280.0030.00516.54
7.4.270.0050.00316.44
7.4.260.0030.00313.37
7.4.250.0000.00816.58
7.4.240.0080.00016.66
7.4.230.0000.00716.68
7.4.220.0070.01316.49
7.4.210.0070.01416.65
7.4.200.0080.00016.66
7.4.190.0000.00816.85
7.4.160.0150.00616.70
7.4.150.0060.01116.52
7.4.140.0120.00917.86
7.4.130.0110.00716.64
7.4.120.0070.01016.77
7.4.110.0030.02016.55
7.4.100.0100.01416.61
7.4.90.0090.00916.68
7.4.80.0090.01219.39
7.4.70.0130.00316.74
7.4.60.0060.01016.63
7.4.50.0030.00316.49
7.4.40.0040.01116.57
7.4.30.0100.00716.60
7.4.00.0060.00915.00
7.3.330.0030.00313.37
7.3.320.0020.00413.27
7.3.310.0030.00316.25
7.3.300.0060.00016.32
7.3.290.0090.00816.40
7.3.280.0110.00416.30
7.3.270.0080.00816.41
7.3.260.0040.01316.43
7.3.240.0130.00316.31
7.3.230.0030.01516.54
7.3.210.0060.01116.57
7.3.200.0130.00316.41
7.3.190.0040.01516.68
7.3.180.0060.01116.37
7.3.170.0170.00816.45
7.3.160.0080.00816.47
7.3.120.0000.01515.04
7.2.330.0030.01316.62
7.2.320.0120.00616.39
7.2.310.0110.00916.41
7.2.300.0100.00616.59
7.2.290.0130.00616.42
7.2.80.0090.00616.63
7.2.60.0030.00616.94
7.2.50.0140.00716.91
7.1.200.0060.00915.84
7.1.70.0060.00617.29
7.1.60.0070.01719.21
7.1.50.0100.01317.06
7.1.00.0000.04722.60
7.0.200.0050.00516.83
7.0.140.0100.06722.27
7.0.120.0000.07722.13
7.0.60.0270.05020.05
7.0.50.0130.07017.93
7.0.40.0130.07317.79
7.0.30.0100.08317.86
7.0.20.0030.07317.74
7.0.10.0030.04717.74
7.0.00.0030.08317.78
5.6.280.0030.07021.10
5.6.210.0030.04020.63
5.6.200.0070.08318.23
5.6.190.0130.07318.18
5.6.180.0100.07018.18
5.6.170.0070.06718.27
5.6.160.0100.04318.37
5.6.150.0030.08318.34
5.6.140.0070.08018.18
5.6.130.0070.04318.19
5.6.120.0000.04718.25
5.6.110.0030.04018.27
5.6.100.0070.08318.23
5.6.90.0070.04718.17
5.6.80.0100.04017.66
5.6.70.0030.04717.56
5.6.60.0030.04717.62
5.6.50.0030.04717.63
5.6.40.0030.08017.62
5.6.30.0130.07017.60
5.6.20.0070.07717.57
5.6.10.0070.04717.57
5.6.00.0070.04317.52
5.5.350.0330.06720.42
5.5.340.0100.05018.14
5.5.330.0030.06018.07
5.5.320.0070.08318.07
5.5.310.0000.05018.09
5.5.300.0070.06318.01
5.5.290.0170.08018.14
5.5.280.0000.04318.05
5.5.270.0070.06317.96
5.5.260.0100.05717.96
5.5.250.0130.07717.78
5.5.240.0070.03717.53
5.5.230.0100.05717.49
5.5.220.0130.04017.38
5.5.210.0100.07317.42
5.5.200.0030.04317.49
5.5.190.0030.07317.45
5.5.180.0070.08317.39
5.5.160.0130.05717.53
5.5.150.0000.05317.39
5.5.140.0070.07317.44
5.5.130.0070.06317.45
5.5.120.0130.07317.32
5.5.110.0030.08017.33
5.5.100.0030.05017.32
5.5.90.0070.04717.26
5.5.80.0100.06317.23
5.5.70.0070.08017.24
5.5.60.0130.06717.33
5.5.50.0000.05317.32
5.5.40.0100.07017.38
5.5.30.0100.06717.37
5.5.20.0100.08017.25
5.5.10.0130.05017.21
5.5.00.0070.07717.23
5.4.450.0100.07319.31
5.4.440.0070.03719.36
5.4.430.0000.04319.37
5.4.420.0130.04019.35
5.4.410.0030.04719.18
5.4.400.0030.07718.99
5.4.390.0100.05018.99
5.4.380.0100.07019.02
5.4.370.0030.08019.00
5.4.360.0100.07319.05
5.4.350.0030.08019.02
5.4.340.0030.05319.01
5.4.320.0030.05718.95
5.4.310.0070.07719.03
5.4.300.0030.04719.03
5.4.290.0030.04019.12
5.4.280.0100.07719.00
5.4.270.0100.05318.88
5.4.260.0130.06018.82
5.4.250.0170.06019.08
5.4.240.0070.04318.97
5.4.230.0030.05319.12
5.4.220.0100.07018.81
5.4.210.0070.08018.96
5.4.200.0070.07719.11
5.4.190.0070.07018.95
5.4.180.0000.04718.99
5.4.170.0000.08718.81
5.4.160.0070.04318.93
5.4.150.0130.06318.87
5.4.140.0100.06316.32
5.4.130.0170.05016.34
5.4.120.0170.06316.34
5.4.110.0070.03716.18
5.4.100.0000.04016.34
5.4.90.0070.03316.28
5.4.80.0000.04016.41
5.4.70.0030.03716.23
5.4.60.0100.03716.30
5.4.50.0000.03716.22
5.4.40.0000.03716.36
5.4.30.0070.03016.26
5.4.20.0070.03016.22
5.4.10.0000.03716.25
5.4.00.0070.03015.70
5.3.290.0030.08014.64
5.3.280.0100.07314.56
5.3.270.0070.06714.69
5.3.260.0100.04014.38
5.3.250.0030.08014.57
5.3.240.0030.07714.46
5.3.230.0030.06314.52
5.3.220.0100.07014.51
5.3.210.0130.06714.52
5.3.200.0030.03714.38
5.3.190.0030.04014.48
5.3.180.0070.03314.64
5.3.170.0000.04314.41
5.3.160.0000.04014.52
5.3.150.0030.03314.54
5.3.140.0030.03714.46
5.3.130.0000.04014.37
5.3.120.0070.03314.52
5.3.110.0070.04014.49
5.3.100.0070.03313.81
5.3.90.0070.03313.96
5.3.80.0100.03013.97
5.3.70.0000.03713.78
5.3.60.0030.03313.96
5.3.50.0000.03713.91
5.3.40.0000.03713.88
5.3.30.0000.03713.85
5.3.20.0030.03313.66
5.3.10.0070.03013.59
5.3.00.0030.03313.71
5.2.170.0030.02711.17
5.2.160.0030.02711.09
5.2.150.0070.02311.29
5.2.140.0000.03011.12
5.2.130.0030.02711.08
5.2.120.0000.03011.02
5.2.110.0030.02711.07
5.2.100.0000.03311.02
5.2.90.0030.02711.05
5.2.80.0000.03011.07
5.2.70.0000.03011.06
5.2.60.0030.02711.05
5.2.50.0000.03311.01
5.2.40.0030.02310.77
5.2.30.0070.02710.91
5.2.20.0030.02710.98
5.2.10.0000.03310.84
5.2.00.0000.03010.86
5.1.60.0000.0239.90
5.1.50.0000.0279.95
5.1.40.0000.02310.05
5.1.30.0000.02710.33
5.1.20.0030.04010.31
5.1.10.0030.0279.98
5.1.00.0030.05310.11
5.0.50.0000.0238.50
5.0.40.0030.0438.41
5.0.30.0030.0638.21
5.0.20.0000.0308.25
5.0.10.0070.0408.37
5.0.00.0030.0538.14
4.4.90.0000.0138.08
4.4.80.0000.0178.08
4.4.70.0030.0138.08
4.4.60.0000.0138.08
4.4.50.0000.0178.08
4.4.40.0000.0238.08
4.4.30.0030.0138.08
4.4.20.0000.0378.08
4.4.10.0030.0308.08
4.4.00.0000.0478.08
4.3.110.0030.0338.08
4.3.100.0070.0308.08
4.3.90.0000.0238.08
4.3.80.0000.0308.08
4.3.70.0070.0138.08
4.3.60.0030.0278.08
4.3.50.0000.0238.08
4.3.40.0000.0378.08
4.3.30.0030.0238.08
4.3.20.0000.0338.08
4.3.10.0000.0238.08
4.3.00.0070.0338.08

preferences:
60.85 ms | 401 KiB | 5 Q