3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo substr("asdf",2);

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)
8.3.60.0090.01218.18
8.3.50.0110.00921.89
8.3.40.0000.01418.54
8.3.30.0100.00318.83
8.3.20.0050.00320.21
8.3.10.0040.00421.92
8.3.00.0080.00022.30
8.2.180.0060.00916.38
8.2.170.0120.00322.96
8.2.160.0140.00322.13
8.2.150.0140.00424.18
8.2.140.0000.01424.66
8.2.130.0040.00426.16
8.2.120.0040.00419.25
8.2.110.0030.00722.10
8.2.100.0080.00417.91
8.2.90.0000.00819.14
8.2.80.0000.00817.97
8.2.70.0050.00317.50
8.2.60.0030.00617.80
8.2.50.0050.00318.07
8.2.40.0070.00018.16
8.2.30.0050.00217.91
8.2.20.0040.00417.41
8.2.10.0000.00817.45
8.2.00.0050.00217.48
8.1.280.0120.00625.92
8.1.270.0040.00422.09
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0040.00423.88
8.1.230.0040.00817.42
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0050.00517.23
8.1.190.0040.00417.41
8.1.180.0040.00418.10
8.1.170.0040.00418.48
8.1.160.0040.00421.84
8.1.150.0000.00818.50
8.1.140.0030.00517.30
8.1.130.0000.00817.71
8.1.120.0050.00217.40
8.1.110.0070.00017.27
8.1.100.0000.00717.40
8.1.90.0040.00417.34
8.1.80.0000.00717.21
8.1.70.0070.00017.30
8.1.60.0030.00617.36
8.1.50.0020.00517.30
8.1.40.0040.00417.34
8.1.30.0030.00617.58
8.1.20.0050.00317.39
8.1.10.0040.00417.30
8.1.00.0080.00017.26
8.0.300.0000.00818.77
8.0.290.0050.00216.63
8.0.280.0030.00318.29
8.0.270.0000.00817.20
8.0.260.0000.00616.75
8.0.250.0030.00316.92
8.0.240.0100.00016.82
8.0.230.0030.00616.81
8.0.220.0000.00716.71
8.0.210.0030.00316.68
8.0.200.0070.00016.64
8.0.190.0000.00816.83
8.0.180.0080.00316.82
8.0.170.0030.00516.68
8.0.160.0030.00516.63
8.0.150.0030.00316.73
8.0.140.0080.00016.78
8.0.130.0050.00013.18
8.0.120.0000.00816.61
8.0.110.0040.00416.76
8.0.100.0000.00816.66
8.0.90.0030.00316.64
8.0.80.0080.00816.64
8.0.70.0050.00216.71
8.0.60.0070.00016.64
8.0.50.0000.00716.70
8.0.30.0130.00816.99
8.0.20.0120.00717.40
8.0.10.0000.00716.89
8.0.00.0250.01416.79
7.4.330.0060.00015.00
7.4.320.0070.00016.31
7.4.300.0030.00316.41
7.4.290.0040.00416.37
7.4.280.0030.00716.46
7.4.270.0030.00316.47
7.4.260.0060.00316.36
7.4.250.0030.00316.43
7.4.240.0040.00416.35
7.4.230.0000.00716.39
7.4.220.0070.01016.36
7.4.210.0060.01016.44
7.4.200.0030.00316.46
7.4.190.0000.00716.51
7.4.160.0120.00416.39
7.4.150.0150.00317.40
7.4.140.0030.02017.86
7.4.130.0070.01016.49
7.4.120.0080.01016.37
7.4.110.0100.00616.45
7.4.100.0090.00916.44
7.4.90.0120.00616.48
7.4.80.0080.00819.39
7.4.70.0140.00316.29
7.4.60.0070.01016.35
7.4.50.0030.00316.30
7.4.40.0100.00622.77
7.4.30.0120.00416.42
7.4.00.0030.01314.82
7.3.330.0050.00013.11
7.3.320.0000.00513.01
7.3.310.0030.00315.97
7.3.300.0030.00315.96
7.3.290.0100.00316.06
7.3.280.0100.00616.14
7.3.270.0140.00417.40
7.3.260.0160.00616.06
7.3.250.0080.00816.16
7.3.240.0060.01116.46
7.3.230.0080.00816.39
7.3.210.0120.00616.30
7.3.200.0060.01019.39
7.3.190.0040.01516.32
7.3.180.0090.00616.51
7.3.170.0000.01616.39
7.3.160.0160.01016.46
7.3.120.0090.00614.59
7.2.330.0030.01316.41
7.2.320.0130.01016.52
7.2.310.0030.01316.37
7.2.300.0080.00816.57
7.2.290.0030.01316.50
7.2.00.0060.00619.41
7.1.100.0000.00818.07
7.1.70.0080.00017.00
7.1.60.0030.01419.82
7.1.50.0030.00916.95
7.1.00.0030.07322.58
7.0.200.0000.00916.69
7.0.140.0070.07322.04
7.0.60.0100.05721.74
7.0.50.0070.06017.82
7.0.40.0030.04319.95
7.0.30.0230.04020.16
7.0.20.0130.05720.13
7.0.10.0030.08720.13
7.0.00.0000.09020.01
5.6.280.0030.07021.14
5.6.210.0100.06720.47
5.6.200.0100.05718.09
5.6.190.0170.07320.43
5.6.180.0370.08320.32
5.6.170.0230.07320.48
5.6.160.0030.07320.50
5.6.150.0130.06718.13
5.6.140.0030.06718.21
5.6.130.0070.08318.11
5.6.120.0030.04021.00
5.6.110.0200.07321.08
5.6.100.0100.05721.03
5.6.90.0100.08021.02
5.6.80.0100.06020.34
5.5.350.0170.05720.39
5.5.340.0100.03717.98
5.5.330.0030.04020.43
5.5.320.0270.04720.31
5.5.310.0230.08320.26
5.5.300.0000.06017.90
5.5.290.0030.07017.92
5.5.280.0100.04020.75
5.5.270.0100.05320.87
5.5.260.0100.08020.86
5.5.250.0170.06720.54
5.5.240.0300.07320.22
5.4.450.3270.03319.46
5.4.440.3570.04019.48
5.4.430.3700.03019.48
5.4.420.3800.04019.26
5.4.410.4630.04019.14
5.4.400.5500.03019.29
5.4.390.3630.04018.79
5.4.380.3730.04019.06
5.4.370.3500.03319.23
5.4.360.3700.03319.25
5.4.350.3670.04018.93
5.4.340.3630.03318.79
5.4.320.3470.03719.09
5.4.310.3430.03719.13
5.4.300.3800.03718.80
5.4.290.3700.03718.88
5.4.280.3730.03018.92
5.4.270.3730.03718.93
5.4.260.1100.03319.13
5.4.250.0100.03318.82
5.4.240.4370.04019.06
5.4.230.4430.03718.79
5.4.220.3670.04019.07
5.4.210.3670.04318.80
5.4.200.3630.03319.13
5.4.190.4100.04319.12
5.4.180.4530.03319.12
5.4.170.3870.04719.23
5.4.160.1200.05018.86
5.4.150.0070.07719.07
5.4.140.4330.04016.16
5.4.130.3970.03716.45
5.4.120.3430.04016.54
5.4.110.3700.03716.47
5.4.100.3630.03316.39
5.4.90.3800.03016.39
5.4.80.4530.03016.16
5.4.70.3800.02716.21
5.4.60.3800.03716.37
5.4.50.3430.03716.40
5.4.40.4530.04016.38
5.4.30.3170.03716.36
5.4.20.3500.03716.36
5.4.10.3470.03316.38
5.4.00.3500.03715.70
5.3.290.3530.03714.50
5.3.280.3070.03714.52
5.3.270.3500.03314.58
5.3.260.0000.05014.44
5.3.250.1100.04714.40
5.3.240.4300.03714.44
5.3.230.3700.04014.54
5.3.220.3630.04314.51
5.3.210.3970.04714.51
5.3.200.3570.03314.66
5.3.190.3370.03714.47
5.3.180.3870.03014.41
5.3.170.3930.04314.49
5.3.160.3870.04014.41
5.3.150.3700.03714.65
5.3.140.3800.03314.39
5.3.130.3570.04314.38
5.3.120.3770.03714.38
5.3.110.2930.04014.48
5.3.100.3430.03313.89
5.3.90.2900.03713.85
5.3.80.3400.04013.84
5.3.70.3400.04014.04
5.3.60.3600.02714.04
5.3.50.3470.03713.89
5.3.40.3700.02713.89
5.3.30.3430.04313.68
5.3.20.3630.03713.73
5.3.10.3670.03313.48
5.3.00.3730.03313.58
5.2.170.3130.02711.00
5.2.160.3370.03711.23
5.2.150.2870.02711.18
5.2.140.2870.02711.15
5.2.130.3130.03010.94
5.2.120.2970.03010.98
5.2.110.2770.02710.93
5.2.100.3170.03010.98
5.2.90.2900.03310.96
5.2.80.3370.02310.94
5.2.70.2570.03311.11
5.2.60.3130.02711.13
5.2.50.3200.02710.87
5.2.40.2400.03011.00
5.2.30.2570.02710.86
5.2.20.2700.03010.85
5.2.10.2630.02010.85
5.2.00.3030.02710.85
5.1.60.2770.02710.85
5.1.50.2770.02310.85
5.1.40.3000.02710.85
5.1.30.3100.02310.85
5.1.20.3100.02310.85
5.1.10.2630.02010.85
5.1.00.2230.03010.85
5.0.50.1370.02010.85
5.0.40.1400.02310.85
5.0.30.1500.03010.85
5.0.20.1270.02710.85
5.0.10.1400.02310.85
5.0.00.1370.03010.85
4.4.90.1400.01710.85
4.4.80.1370.01710.85
4.4.70.1330.01710.85
4.4.60.1170.01310.85
4.4.50.1400.01310.85
4.4.40.1730.02710.85
4.4.30.1500.01710.85
4.4.20.1600.01710.85
4.4.10.1470.01310.85
4.4.00.1470.02310.85
4.3.110.1500.01710.85
4.3.100.1500.01710.85
4.3.90.1370.01710.85
4.3.80.1430.03010.85
4.3.70.1100.02010.85
4.3.60.1470.01310.85
4.3.50.1430.02010.85
4.3.40.1600.02010.85
4.3.30.0830.02710.85
4.3.20.0830.02310.85
4.3.10.0900.02310.85
4.3.00.0730.02710.85

preferences:
43.26 ms | 401 KiB | 5 Q