3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(unpack('H*', pack('C*', 9223372036854775807)));

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)
8.3.40.0030.01418.72
8.3.30.0070.00718.55
8.3.20.0040.00418.63
8.3.10.0000.00920.23
8.3.00.0050.00319.13
8.2.170.0140.00022.96
8.2.160.0070.00720.89
8.2.150.0020.00524.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0040.00419.71
8.2.110.0060.00321.18
8.2.100.0120.00017.66
8.2.90.0000.00920.65
8.2.80.0060.00317.90
8.2.70.0000.01117.50
8.2.60.0080.00017.55
8.2.50.0000.00918.07
8.2.40.0030.00618.16
8.2.30.0000.00717.84
8.2.20.0000.00717.52
8.2.10.0000.00817.41
8.2.00.0050.00317.59
8.1.270.0000.00724.66
8.1.260.0030.00626.35
8.1.250.0070.00028.09
8.1.240.0060.00320.75
8.1.230.0090.00321.04
8.1.220.0000.00817.74
8.1.210.0080.00018.88
8.1.200.0100.00017.10
8.1.190.0000.00817.39
8.1.180.0040.00418.10
8.1.170.0040.00418.75
8.1.160.0000.00718.80
8.1.150.0040.00418.46
8.1.140.0030.00717.31
8.1.130.0030.00317.64
8.1.120.0000.00717.31
8.1.110.0030.00317.33
8.1.100.0040.00417.33
8.1.90.0070.00017.25
8.1.80.0040.00417.27
8.1.70.0030.00317.27
8.1.60.0000.00817.38
8.1.50.0000.00717.34
8.1.40.0040.00417.43
8.1.30.0070.00017.41
8.1.20.0030.00517.43
8.1.10.0000.00817.44
8.1.00.0000.00717.17
8.0.300.0000.00719.91
8.0.290.0000.00716.58
8.0.280.0070.00018.35
8.0.270.0000.00717.17
8.0.260.0060.00016.57
8.0.250.0030.00316.77
8.0.240.0000.00716.76
8.0.230.0000.00716.80
8.0.220.0000.00716.64
8.0.210.0070.00016.64
8.0.200.0030.00516.68
8.0.190.0070.00016.73
8.0.180.0040.00416.82
8.0.170.0060.00316.72
8.0.160.0030.00316.77
8.0.150.0040.00416.70
8.0.140.0000.01016.61
8.0.130.0050.00013.16
8.0.120.0030.00416.70
8.0.110.0070.00016.74
8.0.100.0040.00416.77
8.0.90.0040.00416.57
8.0.80.0070.00716.80
8.0.70.0040.00416.75
8.0.60.0040.00416.87
8.0.50.0050.00316.74
8.0.30.0140.00517.00
8.0.20.0090.00916.90
8.0.10.0000.00716.71
8.0.00.0100.00716.49
7.4.330.0000.00512.86
7.4.320.0030.00316.32
7.4.300.0030.00316.40
7.4.290.0000.00616.47
7.4.280.0070.00016.38
7.4.270.0050.00316.38
7.4.260.0000.00513.25
7.4.250.0000.00916.42
7.4.240.0000.00716.37
7.4.230.0000.00716.53
7.4.220.0070.01016.30
7.4.210.0080.00816.43
7.4.200.0070.00016.26
7.4.190.0070.00016.62
7.4.160.0130.00516.39
7.4.150.0130.00616.40
7.4.140.0080.01316.38
7.4.130.0030.01516.46
7.4.120.0080.00916.33
7.4.110.0130.00616.43
7.4.100.0170.00316.27
7.4.90.0130.00416.42
7.4.80.0110.00616.33
7.4.70.0090.00916.08
7.4.60.0140.00316.37
7.4.50.0090.00016.60
7.4.40.0090.00616.20
7.4.30.0120.00316.23
7.4.00.0100.00714.77
7.3.330.0060.00012.88
7.3.320.0000.00612.95
7.3.310.0030.00316.05
7.3.300.0030.00316.17
7.3.290.0120.00816.18
7.3.280.0110.00616.07
7.3.270.0100.01316.11
7.3.260.0120.00616.25
7.3.250.0090.00816.24
7.3.240.0110.00816.10
7.3.230.0070.01016.22
7.3.210.0170.00016.22
7.3.200.0040.01619.39
7.3.190.0140.00316.09
7.3.180.0140.00316.13
7.3.170.0110.01116.39
7.3.160.0070.01316.46
7.3.120.0100.00714.59
7.3.10.0070.00716.52
7.3.00.0040.00816.50
7.2.330.0060.01816.37
7.2.320.0160.00016.25
7.2.310.0190.00016.42
7.2.300.0130.00316.46
7.2.290.0130.00916.48
7.2.130.0000.00916.70
7.2.120.0040.00816.85
7.2.110.0110.00016.82
7.2.100.0070.00716.56
7.2.90.0100.00316.46
7.2.80.0070.00716.80
7.2.70.0060.01016.66
7.2.60.0070.00716.84
7.2.50.0060.00616.81
7.2.40.0150.00016.70
7.2.30.0060.00316.61
7.2.20.0030.00716.52
7.2.10.0060.01016.69
7.2.00.0060.00517.84
7.1.250.0060.00815.40
7.1.100.0060.00618.03
7.1.70.0000.00816.88
7.1.60.0110.01519.40
7.1.50.0150.00916.76
7.1.00.0070.07022.25
7.0.200.0030.00616.72
7.0.140.0070.06721.99
7.0.120.0030.07022.15
7.0.60.0100.07320.02
7.0.50.0130.07317.65
7.0.40.0070.08017.78
7.0.30.0070.07017.78
7.0.20.0130.08017.65
7.0.10.0000.05317.70
7.0.00.0070.05017.74
5.6.280.0070.07020.89
5.6.210.0070.07320.46
5.6.200.0130.05018.18
5.6.190.0100.06018.16
5.6.180.0100.04718.19
5.6.170.0170.07318.08
5.6.160.0070.08318.13
5.6.150.0100.04318.18
5.6.140.0030.04018.18
5.6.130.0100.06718.12
5.6.120.0130.07318.17
5.6.110.0100.05318.19
5.6.100.0100.08018.13
5.6.90.0030.05718.20
5.6.80.0070.07717.51
5.6.70.0100.06717.49
5.6.60.0130.07017.55
5.6.50.0170.06717.47
5.6.40.0030.04317.54
5.6.30.0100.06017.58
5.6.20.0170.06717.54
5.6.10.0030.05017.50
5.6.00.0100.04717.46
5.5.350.0130.03720.37
5.5.340.0100.03317.96
5.5.330.0100.06017.90
5.5.320.0100.08018.01
5.5.310.0170.06717.88
5.5.300.0070.03717.91
5.5.290.0000.06317.91
5.5.280.0270.05717.91
5.5.270.0130.07318.01
5.5.260.0100.07317.91
5.5.250.0170.07017.82
5.5.240.0030.08317.38
5.5.230.0000.08317.36
5.5.220.0070.03717.40
5.5.210.0000.04317.28
5.5.200.0030.04317.34
5.5.190.0070.03717.36
5.5.180.0030.04017.22
5.5.160.0000.04317.36
5.5.150.0100.06717.33
5.5.140.0070.05717.40
5.5.130.0130.07317.36
5.5.120.0100.07717.25
5.5.110.0100.06017.35
5.5.100.0200.06717.13
5.5.90.0070.05017.26
5.5.80.0000.07317.24
5.5.70.0030.05317.26
5.5.60.0000.07317.25
5.5.50.0000.06317.25
5.5.40.0030.06017.20
5.5.30.0130.07717.12
5.5.20.0030.05717.14
5.5.10.0070.07317.18
5.5.00.0030.08017.27
5.4.450.0130.04719.43
5.4.440.0170.06019.30
5.4.430.0030.07019.52
5.4.420.0170.06719.35
5.4.410.0030.08319.40
5.4.400.0130.06718.97
5.4.390.0070.04019.00
5.4.380.0100.07718.99
5.4.370.0070.06319.12
5.4.360.0030.05319.01
5.4.350.0070.05319.20
5.4.340.0170.04018.98
5.4.320.0030.04018.98
5.4.310.0100.06019.03
5.4.300.0070.06318.98
5.4.290.0030.05018.81
5.4.280.0070.07719.24
5.4.270.0100.07319.23
5.4.260.0130.05019.09
5.4.250.0030.06318.81
5.4.240.0070.06019.25
5.4.230.0030.06018.98
5.4.220.0130.05718.97
5.4.210.0000.08018.88
5.4.200.0000.05019.02
5.4.190.0000.05318.81
5.4.180.0030.05018.97
5.4.170.0130.04019.02
5.4.160.0070.06718.97
5.4.150.0100.07718.98
5.4.140.0100.06016.33
5.4.130.0030.07316.20
5.4.120.0030.05016.16
5.4.110.0030.06016.28
5.4.100.0030.06316.28
5.4.90.0070.05316.25
5.4.80.0070.07716.36
5.4.70.0100.06016.15
5.4.60.0030.05016.30
5.4.50.0070.07016.25
5.4.40.0000.07316.46
5.4.30.0100.07016.25
5.4.20.0070.04316.25
5.4.10.0130.06016.23
5.4.00.0070.04015.71
5.3.290.0170.07014.61
5.3.280.0070.07314.58
5.3.270.0100.07314.58
5.3.260.0030.05314.57
5.3.250.0100.07314.57
5.3.240.0100.07314.57
5.3.230.0070.07714.59
5.3.220.0000.04014.52
5.3.210.0030.04714.39
5.3.200.0100.06714.52
5.3.190.0100.07014.52
5.3.180.0070.07714.38
5.3.170.0070.06314.51
5.3.160.0000.04014.40
5.3.150.0000.05014.48
5.3.140.0130.07014.51
5.3.130.0170.05714.46
5.3.120.0100.06714.52
5.3.110.0070.08014.51
5.3.100.0100.07313.88
5.3.90.0170.06713.98
5.3.80.0100.07013.95
5.3.70.0000.04013.80
5.3.60.0070.07013.75
5.3.50.0070.06713.91
5.3.40.0030.08013.87
5.3.30.0000.05313.85
5.3.20.0070.04013.65
5.3.10.0070.07313.40
5.3.00.0330.02313.48
5.2.170.0030.06011.11
5.2.160.0030.04311.12
5.2.150.0070.05711.08
5.2.140.0030.05011.08
5.2.130.0070.06311.04
5.2.120.0030.06311.04
5.2.110.0000.05010.99
5.2.100.0070.05711.03
5.2.90.0100.05010.91
5.2.80.0030.04011.11
5.2.70.0100.05710.91
5.2.60.0030.06311.19
5.2.50.0030.06310.84
5.2.40.0030.05010.91
5.2.30.0070.04310.94
5.2.20.0030.06010.92
5.2.10.0100.05710.84
5.2.00.0070.03310.77
5.1.60.0000.02710.00
5.1.50.0030.05310.01
5.1.40.0070.02710.02
5.1.30.0030.04010.36
5.1.20.0000.04310.38
5.1.10.0000.05710.04
5.1.00.0030.05010.05
5.0.50.0000.0278.52
5.0.40.0030.0408.33
5.0.30.0030.0408.36
5.0.20.0000.0278.33
5.0.10.0030.0208.36
5.0.00.0030.0408.33
4.4.90.0070.0208.33
4.4.80.0000.0238.33
4.4.70.0100.0308.33
4.4.60.0000.0378.33
4.4.50.0030.0208.33
4.4.40.0030.0238.33
4.4.30.0030.0238.33
4.4.20.0030.0378.33
4.4.10.0070.0208.33
4.4.00.0000.0278.33
4.3.110.0030.0308.33
4.3.100.0000.0178.33
4.3.90.0000.0208.33
4.3.80.0030.0538.33
4.3.70.0000.0338.33
4.3.60.0030.0138.33
4.3.50.0030.0178.33
4.3.40.0000.0378.33
4.3.30.0000.0178.33
4.3.20.0000.0178.33
4.3.10.0000.0178.33
4.3.00.0000.0138.33

preferences:
45.65 ms | 400 KiB | 5 Q