3v4l.org

run code in 300+ PHP versions simultaneously
<?php $b = b'wow'; var_dump($b);

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)
8.3.60.0140.00418.27
8.3.50.0130.00822.02
8.3.40.0120.00818.68
8.3.30.0150.00418.98
8.3.20.0170.00020.21
8.3.10.0040.00421.80
8.3.00.0050.00319.26
8.2.180.0070.01418.41
8.2.170.0150.00018.70
8.2.160.0040.01122.96
8.2.150.0000.00724.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0080.00019.23
8.2.110.0060.00319.31
8.2.100.0060.00617.72
8.2.90.0000.00819.05
8.2.80.0080.00017.97
8.2.70.0030.00617.50
8.2.60.0000.00817.77
8.2.50.0040.00418.07
8.2.40.0080.00019.95
8.2.30.0030.00617.97
8.2.20.0080.00017.55
8.2.10.0000.00717.98
8.2.00.0040.00417.66
8.1.280.0040.01425.92
8.1.270.0060.00320.40
8.1.260.0160.00326.35
8.1.250.0070.00028.09
8.1.240.0060.00324.00
8.1.230.0070.00418.95
8.1.220.0050.00317.74
8.1.210.0040.00418.77
8.1.200.0080.00017.23
8.1.190.0070.00017.23
8.1.180.0030.00618.10
8.1.170.0040.00420.21
8.1.160.0050.00221.93
8.1.150.0030.00318.75
8.1.140.0030.00517.44
8.1.130.0000.00717.85
8.1.120.0030.00417.38
8.1.110.0000.01117.38
8.1.100.0030.00317.41
8.1.90.0000.00917.28
8.1.80.0040.00417.36
8.1.70.0060.00317.44
8.1.60.0040.00417.49
8.1.50.0040.00417.33
8.1.40.0000.00817.43
8.1.30.0050.00317.52
8.1.20.0080.00017.47
8.1.10.0040.00417.42
8.1.00.0030.00517.23
8.0.300.0040.00418.77
8.0.290.0000.00716.63
8.0.280.0030.00318.43
8.0.270.0070.00017.09
8.0.260.0000.00617.22
8.0.250.0000.00616.80
8.0.240.0080.00016.85
8.0.230.0000.00716.88
8.0.220.0050.00316.68
8.0.210.0000.00816.76
8.0.200.0030.00316.91
8.0.190.0060.00316.78
8.0.180.0040.00416.89
8.0.170.0040.00416.82
8.0.160.0070.00016.75
8.0.150.0030.00316.66
8.0.140.0040.00416.82
8.0.130.0050.00013.25
8.0.120.0050.00316.68
8.0.110.0050.00216.77
8.0.100.0050.00216.64
8.0.90.0040.00416.76
8.0.80.0090.00616.76
8.0.70.0050.00316.76
8.0.60.0000.00716.91
8.0.50.0050.00216.63
8.0.30.0140.00717.02
8.0.20.0120.00817.40
8.0.10.0030.00516.76
8.0.00.0160.00616.65
7.4.330.0000.00515.03
7.4.320.0060.00016.53
7.4.300.0000.00816.50
7.4.290.0000.01216.44
7.4.280.0030.00516.43
7.4.270.0060.00016.32
7.4.260.0030.00316.46
7.4.250.0000.00716.43
7.4.240.0050.00216.43
7.4.230.0030.00316.41
7.4.220.0100.00716.52
7.4.210.0090.01116.58
7.4.200.0030.00316.50
7.4.160.0120.00316.68
7.4.150.0120.00617.40
7.4.140.0120.00717.86
7.4.130.0120.00716.37
7.4.120.0090.00916.41
7.4.110.0140.00316.37
7.4.100.0030.01416.25
7.4.90.0130.00316.28
7.4.80.0060.01219.39
7.4.70.0180.00616.48
7.4.60.0100.00716.36
7.4.50.0000.00416.44
7.4.40.0140.00416.43
7.4.30.0100.00716.46
7.4.00.0040.01114.94
7.3.330.0000.00612.86
7.3.320.0060.00612.97
7.3.310.0060.00016.06
7.3.300.0060.00015.98
7.3.290.0000.00716.15
7.3.280.0100.00816.13
7.3.270.0070.01017.40
7.3.260.0130.00316.16
7.3.250.0140.00516.23
7.3.240.0070.01016.15
7.3.230.0100.00716.43
7.3.210.0090.00916.46
7.3.200.0100.01019.39
7.3.190.0130.00316.38
7.3.180.0130.00416.29
7.3.170.0110.01116.32
7.3.160.0100.00716.46
7.2.330.0110.00716.54
7.2.320.0090.00616.33
7.2.310.0060.01216.20
7.2.300.0130.00316.22
7.2.290.0140.00916.52
7.2.60.0040.01216.52
7.2.00.0030.01019.45
7.1.200.0090.00315.56
7.1.100.0060.00318.13
7.1.70.0030.00316.80
7.1.60.0090.01519.50
7.1.50.0090.01216.64
7.1.00.0100.07022.35
7.0.200.0200.00616.45
7.0.140.0000.03722.09
7.0.60.0030.05319.92
7.0.50.0030.04317.87
7.0.40.0030.05020.02
7.0.30.0170.04320.09
7.0.20.0330.08020.30
7.0.10.0300.06720.20
7.0.00.0000.05020.29
5.6.280.0130.06320.92
5.6.210.0070.04320.51
5.6.200.0030.08318.14
5.6.190.0000.09020.35
5.6.180.0400.06320.32
5.6.170.0270.08020.46
5.6.160.0130.08020.51
5.6.150.0070.06018.18
5.6.140.0000.07018.21
5.6.130.0070.07718.10
5.6.120.0070.05320.98
5.6.110.0070.07020.98
5.6.100.0100.07021.10
5.6.90.0230.07020.96
5.6.80.0030.07320.53
5.6.70.4230.03720.46
5.5.350.0300.07320.32
5.5.340.0070.05717.95
5.5.330.0070.04320.23
5.5.320.0100.03720.13
5.5.310.0330.04020.26
5.5.300.0030.04017.96
5.5.290.0100.05018.03
5.5.280.0070.08320.75
5.5.270.0100.08320.72
5.5.260.0130.08020.72
5.5.250.0070.06720.68
5.5.240.0070.08020.15
5.4.450.0170.06019.21
5.4.440.0330.07019.24
5.4.430.0400.05719.57
5.4.420.0200.04319.41
5.4.410.0330.06319.33
5.4.400.0270.04719.10
5.4.390.0370.04319.24
5.4.380.0270.06318.91
5.4.370.0370.06318.79
5.4.360.0300.07019.10
5.4.350.0300.06319.11
5.4.340.0270.04019.23
5.4.320.0270.07018.93
5.4.310.0370.06319.13
5.4.300.0330.07018.92
5.4.290.0400.06019.15
5.4.280.0270.05019.10
5.4.270.0130.04719.09
5.4.260.0270.07319.05
5.4.250.0200.04019.13
5.4.240.0270.04719.11
5.4.230.0230.03719.09
5.4.220.0230.05319.08
5.4.210.0300.05719.24
5.4.200.0370.06018.91
5.4.190.0470.05018.91
5.4.180.0170.04019.12
5.4.170.0270.04319.12
5.4.160.0100.03718.90
5.4.150.0200.03318.86
5.4.140.0170.04016.55
5.4.130.0170.03716.16
5.4.120.0430.03016.33
5.4.110.0170.03716.41
5.4.100.0270.04016.41
5.4.90.0270.05716.47
5.4.80.0200.03316.30
5.4.70.0200.04016.23
5.4.60.0200.03316.38
5.4.50.0230.03016.41
5.4.40.0230.03716.37
5.4.30.0170.03716.29
5.4.20.0230.03016.31
5.4.10.0130.04316.36
5.4.00.0200.03315.61
5.3.290.0300.04714.59
5.3.280.0370.05314.43
5.3.270.0170.04014.44
5.3.260.0170.03314.44
5.3.250.0200.03314.53
5.3.240.0230.03314.45
5.3.230.0130.04314.55
5.3.220.0200.03714.49
5.3.210.0170.04014.46
5.3.200.0100.04314.47
5.3.190.0270.03314.41
5.3.180.0400.02714.39
5.3.170.0300.03714.55
5.3.160.0200.03714.41
5.3.150.0400.02714.61
5.3.140.0170.04014.43
5.3.130.0230.03314.37
5.3.120.0270.04314.45
5.3.110.0270.03714.45
5.3.100.0200.05013.98
5.3.90.0230.04713.86
5.3.80.0170.03713.84
5.3.70.0230.03013.85
5.3.60.0200.03314.04
5.3.50.0170.03713.84
5.3.40.0670.02313.84
5.3.30.0130.04013.81
5.3.20.0230.03013.54
5.3.10.0270.06713.56
5.3.00.0270.05013.47
5.2.170.0170.03711.08
5.2.160.0170.02711.10
5.2.150.0200.02311.19
5.2.140.0130.03011.15
5.2.130.0230.02310.90
5.2.120.0170.06310.95
5.2.110.0200.05710.93
5.2.100.0230.04011.15
5.2.90.0230.04011.25
5.2.80.0230.05710.92
5.2.70.0270.04011.18
5.2.60.0230.05311.05
5.2.50.0330.04710.92
5.2.40.0170.06010.84
5.2.30.0200.05010.80
5.2.20.0230.05310.89
5.2.10.0170.04310.93
5.2.00.0230.02710.68
5.1.60.0200.0309.97
5.1.50.0200.0509.94
5.1.40.0200.0379.94
5.1.30.0230.05310.41
5.1.20.0230.05310.30
5.1.10.0200.0339.96
5.1.00.0170.03710.05
5.0.50.0130.0379.94
5.0.40.0070.0509.94
5.0.30.0130.0409.94
5.0.20.0170.0339.94
5.0.10.0100.0309.94
5.0.00.0200.0309.94
4.4.90.0070.0239.94
4.4.80.0070.0279.94
4.4.70.0130.0279.94
4.4.60.0100.0209.94
4.4.50.0070.0339.94
4.4.40.0100.0239.94
4.4.30.0100.0339.94
4.4.20.0170.0209.94
4.4.10.0130.0379.94
4.4.00.0100.0409.94
4.3.110.0130.0139.94
4.3.100.0170.0309.94
4.3.90.0100.0339.94
4.3.80.0100.0339.94
4.3.70.0170.0279.94
4.3.60.0100.0309.94
4.3.50.0130.0339.94
4.3.40.0130.0479.94
4.3.30.0070.0339.94
4.3.20.0030.0279.94
4.3.10.0030.0339.94
4.3.00.0070.0139.94

preferences:
63.43 ms | 401 KiB | 5 Q