3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo substr("Ngay01",4)?>

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)
8.3.40.0110.00418.54
8.3.30.0070.00718.86
8.3.20.0070.00020.16
8.3.10.0000.00823.55
8.3.00.0000.00819.38
8.2.170.0110.00422.96
8.2.160.0100.00320.39
8.2.150.0040.00424.18
8.2.140.0030.00524.66
8.2.130.0040.00426.16
8.2.120.0000.00722.09
8.2.110.0060.00321.94
8.2.100.0070.00717.72
8.2.90.0050.00319.25
8.2.80.0000.00817.97
8.2.70.0030.00517.63
8.2.60.0040.00417.93
8.2.50.0050.00318.07
8.2.40.0050.00319.76
8.2.30.0040.00419.85
8.2.20.0000.00717.61
8.2.10.0040.00418.01
8.2.00.0070.00017.51
8.1.270.0040.00423.92
8.1.260.0060.00326.35
8.1.250.0040.00428.09
8.1.240.0090.00023.84
8.1.230.0110.00018.97
8.1.220.0040.00417.74
8.1.210.0080.00018.77
8.1.200.0030.00616.88
8.1.190.0040.00417.10
8.1.180.0050.00518.10
8.1.170.0030.00518.50
8.1.160.0040.00421.89
8.1.150.0000.01018.36
8.1.140.0040.00417.18
8.1.130.0000.00717.75
8.1.120.0040.00417.20
8.1.110.0030.00517.17
8.1.100.0030.00317.30
8.1.90.0070.00017.35
8.1.80.0000.00717.36
8.1.70.0000.00717.26
8.1.60.0000.00717.43
8.1.50.0040.00417.35
8.1.40.0000.00717.38
8.1.30.0050.00317.49
8.1.20.0080.00017.52
8.1.10.0000.00817.40
8.1.00.0040.00417.38
8.0.300.0000.00720.54
8.0.290.0040.00416.93
8.0.280.0030.00318.36
8.0.270.0000.00717.18
8.0.260.0030.00317.18
8.0.250.0030.00316.86
8.0.240.0040.00416.84
8.0.230.0050.00316.83
8.0.220.0000.00716.72
8.0.210.0030.00316.64
8.0.200.0060.00016.72
8.0.190.0000.00816.80
8.0.180.0050.00216.80
8.0.170.0000.00816.82
8.0.160.0030.00316.80
8.0.150.0040.00416.70
8.0.140.0000.00716.74
8.0.130.0030.00313.22
8.0.120.0000.00816.60
8.0.110.0040.00416.73
8.0.100.0040.00416.57
8.0.90.0040.00416.73
8.0.80.0090.01216.73
8.0.70.0030.00516.64
8.0.60.0090.00016.68
8.0.50.0000.00716.82
8.0.30.0090.01216.89
8.0.20.0110.00717.40
8.0.10.0040.00416.83
8.0.00.0120.00816.50
7.4.330.0040.00015.00
7.4.320.0000.00616.41
7.4.300.0030.00316.43
7.4.290.0090.00016.50
7.4.280.0030.00316.40
7.4.270.0000.00716.51
7.4.260.0000.00816.35
7.4.250.0000.00716.41
7.4.240.0050.00216.38
7.4.230.0000.00716.20
7.4.220.0100.00716.45
7.4.210.0080.00616.42
7.4.200.0060.00316.57
7.4.190.0040.00416.53
7.4.160.0130.00316.23
7.4.150.0070.01017.40
7.4.140.0110.00817.86
7.4.130.0100.00816.32
7.4.120.0070.01016.45
7.4.110.0100.01316.36
7.4.100.0120.00616.55
7.4.90.0090.00616.41
7.4.80.0030.02019.39
7.4.70.0050.01416.41
7.4.60.0070.01616.49
7.4.50.0000.00916.18
7.4.40.0060.01616.25
7.4.30.0040.01616.25
7.4.00.0070.00314.87
7.3.330.0050.00312.88
7.3.320.0000.00712.86
7.3.310.0040.00416.07
7.3.300.0000.00716.12
7.3.290.0090.00916.04
7.3.280.0080.01116.11
7.3.270.0130.01017.40
7.3.260.0100.01016.26
7.3.250.0100.00816.41
7.3.240.0100.00716.19
7.3.230.0090.01316.39
7.3.210.0040.01516.53
7.3.200.0130.00519.39
7.3.190.0100.01016.38
7.3.180.0060.01116.31
7.3.170.0100.01016.27
7.3.160.0170.00316.24
7.3.120.0110.00414.51
7.2.330.0100.01316.45
7.2.320.0140.00316.36
7.2.310.0080.00816.45
7.2.300.0200.00416.63
7.2.290.0130.00416.44
7.2.60.0080.00616.57
7.2.00.0040.01119.31
7.1.100.0060.01218.21
7.1.70.0060.00916.82
7.1.60.0070.01719.46
7.1.50.0080.00816.33
7.1.00.0100.07022.48
7.0.200.0030.00616.75
7.0.140.0030.07321.95
7.0.60.0070.04019.95
7.0.50.0100.07017.64
7.0.40.0230.07320.27
7.0.30.0270.04320.16
7.0.20.0200.04020.04
7.0.10.0030.07720.33
7.0.00.0070.07320.13
5.6.280.0070.07021.09
5.6.210.0130.07320.54
5.6.200.0030.06318.12
5.6.190.0030.04320.49
5.6.180.0500.07320.43
5.6.170.0170.04320.33
5.6.160.0130.05020.38
5.6.150.0100.04718.18
5.6.140.0100.08018.12
5.6.130.0130.04718.21
5.6.120.0130.07321.03
5.6.110.0200.05321.04
5.6.100.0070.06720.96
5.6.90.0070.08720.96
5.6.80.0100.04020.50
5.5.350.0300.06320.29
5.5.340.0070.03317.89
5.5.330.0100.07020.23
5.5.320.0030.05020.34
5.5.310.0430.05320.29
5.5.300.0070.08017.94
5.5.290.0030.05317.88
5.5.280.0070.07320.83
5.5.270.0030.06020.84
5.5.260.0070.06720.79
5.5.250.0030.04020.61
5.5.240.0100.06720.18
5.4.450.0100.04319.21
5.4.440.0130.05319.48
5.4.430.0100.04319.48
5.4.420.0170.05719.13
5.4.410.0270.05719.25
5.4.400.0170.04719.25
5.4.390.0300.06318.93
5.4.380.0230.04318.93
5.4.370.0230.03318.93
5.4.360.0170.05019.06
5.4.350.0230.07018.88
5.4.340.0270.04319.25
5.4.320.0270.07319.13
5.4.310.0230.03319.14
5.4.300.0300.05719.12
5.4.290.0200.03719.08
5.4.280.0230.03318.80
5.4.270.0300.06018.92
5.4.260.0230.05019.09
5.4.250.0300.06719.07
5.4.240.0270.06319.12
5.4.230.0270.05019.21
5.4.220.0270.06019.12
5.4.210.0230.03318.75
5.4.200.0270.06719.08
5.4.190.0300.07019.12
5.4.180.0200.06318.90
5.4.170.0200.07719.08
5.4.160.0230.06019.07
5.4.150.0270.07318.89
5.4.140.0200.03316.45
5.4.130.0170.04316.43
5.4.120.0270.03716.15
5.4.110.0300.06716.43
5.4.100.0270.06716.39
5.4.90.0230.05716.49
5.4.80.0200.04016.21
5.4.70.0230.06716.21
5.4.60.0270.04316.47
5.4.50.0200.03316.41
5.4.40.0270.06316.18
5.4.30.0230.05716.36
5.4.20.0370.06716.36
5.4.10.0270.06716.39
5.4.00.0270.05715.71
5.3.290.0200.04314.59
5.3.280.0270.07014.61
5.3.270.0230.05714.69
5.3.260.0200.04314.64
5.3.250.0370.04714.53
5.3.240.0230.06314.46
5.3.230.0300.06314.47
5.3.220.0200.06014.61
5.3.210.0170.04714.54
5.3.200.0170.04014.41
5.3.190.0230.07714.41
5.3.180.0170.05714.39
5.3.170.0230.03314.60
5.3.160.0170.04314.49
5.3.150.0230.05014.41
5.3.140.0230.05714.57
5.3.130.0200.04714.48
5.3.120.0200.05014.48
5.3.110.0230.06714.37
5.3.100.0270.06713.87
5.3.90.0200.07013.92
5.3.80.0230.07314.04
5.3.70.0230.04013.80
5.3.60.0230.06714.02
5.3.50.0200.07713.71
5.3.40.0230.05713.98
5.3.30.0370.04713.85
5.3.20.0170.04013.64
5.3.10.0130.04713.49
5.3.00.0100.04013.58
5.2.170.0170.03711.05
5.2.160.0170.05711.15
5.2.150.0200.04010.97
5.2.140.0170.03010.97
5.2.130.0170.06010.95
5.2.120.0170.05711.14
5.2.110.0170.06011.14
5.2.100.0130.06011.14
5.2.90.0170.05011.14
5.2.80.0200.05011.11
5.2.70.0130.04010.95
5.2.60.0170.06310.93
5.2.50.0200.04710.86
5.2.40.0230.05710.89
5.2.30.0200.05710.97
5.2.20.0130.03310.89
5.2.10.0200.06010.75
5.2.00.0170.05010.65
5.1.60.0170.04010.47
5.1.50.0130.02010.47
5.1.40.0100.05710.47
5.1.30.0200.04710.47
5.1.20.0200.03710.47
5.1.10.0170.04710.47
5.1.00.0170.04010.47
5.0.50.0070.04710.47
5.0.40.0100.02010.47
5.0.30.0130.02310.47
5.0.20.0070.02010.47
5.0.10.0130.03010.47
5.0.00.0100.05710.47
4.4.90.0070.03710.47
4.4.80.0100.03010.47
4.4.70.0030.02310.47
4.4.60.0070.03710.47
4.4.50.0100.02710.47
4.4.40.0070.05310.47
4.4.30.0070.01710.47
4.4.20.0170.02710.47
4.4.10.0100.01710.47
4.4.00.0070.02710.47
4.3.110.0070.01710.47
4.3.100.0070.03710.47
4.3.90.0070.01710.47
4.3.80.0130.04010.47
4.3.70.0070.03010.47
4.3.60.0130.03010.47
4.3.50.0070.02710.47
4.3.40.0030.02710.47
4.3.30.0000.04010.47
4.3.20.0070.02310.47
4.3.10.0070.02710.47
4.3.00.0070.01710.47

preferences:
40.76 ms | 400 KiB | 5 Q