3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = "ahoj"; echo $a[0];

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)
8.3.60.0070.00716.46
8.3.50.0120.00317.25
8.3.40.0040.01118.76
8.3.30.0000.01418.59
8.3.20.0060.00318.60
8.3.10.0080.00018.64
8.3.00.0040.00419.13
8.2.180.0150.00616.63
8.2.170.0110.00422.96
8.2.160.0000.01521.19
8.2.150.0000.00924.18
8.2.140.0050.00324.66
8.2.130.0000.00726.16
8.2.120.0080.00020.87
8.2.110.0090.00022.29
8.2.100.0040.00717.91
8.2.90.0050.00319.36
8.2.80.0060.00317.97
8.2.70.0060.00317.63
8.2.60.0040.00418.16
8.2.50.0000.00818.10
8.2.40.0050.00220.42
8.2.30.0000.00818.23
8.2.20.0030.00617.70
8.2.10.0000.00817.53
8.2.00.0050.00217.66
8.1.280.0100.00725.92
8.1.270.0070.01124.66
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0090.00021.31
8.1.230.0040.00817.89
8.1.220.0040.00417.79
8.1.210.0030.00518.77
8.1.200.0040.00817.22
8.1.190.0040.00417.23
8.1.180.0090.00018.10
8.1.170.0000.00818.35
8.1.160.0040.00422.00
8.1.150.0070.00018.44
8.1.140.0000.00717.32
8.1.130.0000.00817.69
8.1.120.0000.00817.30
8.1.110.0040.00417.41
8.1.100.0000.00717.36
8.1.90.0000.00817.34
8.1.80.0000.00817.39
8.1.70.0070.00017.26
8.1.60.0080.00317.42
8.1.50.0030.00617.45
8.1.40.0000.00717.46
8.1.30.0000.00817.53
8.1.20.0070.00017.62
8.1.10.0080.00017.58
8.1.00.0040.00417.38
8.0.300.0040.00418.77
8.0.290.0040.00416.63
8.0.280.0030.00318.36
8.0.270.0040.00417.16
8.0.260.0000.00616.86
8.0.250.0040.00416.90
8.0.240.0080.00016.99
8.0.230.0030.00316.91
8.0.220.0000.00616.81
8.0.210.0000.00716.75
8.0.200.0030.00316.77
8.0.190.0000.00916.79
8.0.180.0060.00616.82
8.0.170.0060.00316.71
8.0.160.0030.00316.82
8.0.150.0080.00016.67
8.0.140.0050.00516.70
8.0.130.0000.00513.22
8.0.120.0080.00316.81
8.0.110.0040.00416.80
8.0.100.0070.00016.73
8.0.90.0040.00416.71
8.0.80.0000.01516.84
8.0.70.0040.00416.69
8.0.60.0050.00216.85
8.0.50.0040.00416.85
8.0.30.0110.00716.77
8.0.20.0120.00617.06
8.0.10.0040.00416.83
8.0.00.0100.01016.63
7.4.330.0000.00512.82
7.4.320.0000.00716.42
7.4.300.0000.00616.53
7.4.290.0060.00316.57
7.4.280.0030.00516.44
7.4.270.0080.00016.52
7.4.260.0000.00513.17
7.4.250.0080.00016.51
7.4.240.0020.00616.57
7.4.230.0040.00416.42
7.4.220.0090.00916.53
7.4.210.0070.01116.44
7.4.200.0070.00016.52
7.4.190.0040.00416.49
7.4.160.0080.00816.63
7.4.150.0130.00916.42
7.4.140.0140.00716.63
7.4.130.0100.00816.58
7.4.120.0080.00816.34
7.4.110.0100.01016.28
7.4.100.0120.00616.31
7.4.90.0120.00916.54
7.4.80.0170.00319.39
7.4.70.0200.00316.45
7.4.60.0000.02016.45
7.4.50.0050.00516.42
7.4.40.0070.01016.52
7.4.30.0100.00716.52
7.4.00.0070.00714.85
7.3.330.0030.00413.13
7.3.320.0030.00313.12
7.3.310.0070.00016.16
7.3.300.0040.00416.21
7.3.290.0040.01116.18
7.3.280.0140.00616.17
7.3.270.0070.01016.50
7.3.260.0040.01916.20
7.3.250.0120.00916.29
7.3.240.0130.01016.29
7.3.230.0100.00716.38
7.3.210.0060.01316.48
7.3.200.0120.01216.40
7.3.190.0120.00916.43
7.3.180.0090.00616.34
7.3.170.0060.00916.30
7.3.160.0060.01016.29
7.3.120.0070.00714.77
7.2.330.0070.01016.48
7.2.320.0130.00616.58
7.2.310.0150.00316.67
7.2.300.0100.00716.49
7.2.290.0030.01316.27
7.1.200.0060.00615.64
7.1.100.0040.00718.19
7.1.70.0050.00217.06
7.1.60.0030.01019.40
7.1.50.0070.01316.66
7.1.00.0070.04722.51
7.0.200.0450.00014.86
7.0.140.0000.07021.95
7.0.120.0100.07022.16
7.0.60.0070.08019.74
7.0.50.0070.03717.77
7.0.40.0100.08320.04
7.0.30.0200.05720.13
7.0.20.0200.04020.33
7.0.10.0130.05320.34
7.0.00.0030.04020.00
5.6.280.0030.07321.11
5.6.210.0000.05720.66
5.6.200.0070.06018.12
5.6.190.0170.04320.64
5.6.180.0330.06020.67
5.6.170.0300.07020.33
5.6.160.0100.08320.38
5.6.150.0070.04718.27
5.6.140.0000.04018.20
5.6.130.0030.08018.19
5.6.120.0030.04721.00
5.6.110.0100.08020.97
5.6.100.0030.09020.99
5.6.90.0100.08321.11
5.6.80.0130.08020.48
5.5.350.3570.04720.43
5.5.340.0070.03717.89
5.5.330.0000.04720.42
5.5.320.0200.08020.29
5.5.310.0230.06020.21
5.5.300.0030.06717.94
5.5.290.0100.05717.93
5.5.280.0030.07720.64
5.5.270.0170.07720.86
5.5.260.0030.05720.83
5.5.250.0070.08320.65
5.5.240.0170.04020.36
5.4.450.0270.04319.14
5.4.440.0230.07319.39
5.4.430.0270.03319.56
5.4.420.0230.07019.41
5.4.410.0270.07019.36
5.4.400.0070.06319.08
5.4.390.0130.05318.88
5.4.380.0200.04018.77
5.4.370.0270.04018.92
5.4.360.0270.07019.10
5.4.350.0200.07018.93
5.4.340.0230.04018.93
5.4.320.0100.05019.22
5.4.310.0300.06319.13
5.4.300.0170.04719.07
5.4.290.0230.06019.23
5.4.280.0300.03319.09
5.4.270.0270.07018.80
5.4.260.0270.06718.77
5.4.250.0270.06319.04
5.4.240.0270.06019.05
5.4.230.0270.03018.93
5.4.220.0270.06719.05
5.4.210.0200.04718.77
5.4.200.0230.04718.79
5.4.190.0270.06719.24
5.4.180.0270.04319.20
5.4.170.0300.06318.88
5.4.160.0170.04019.11
5.4.150.0330.05019.13
5.4.140.0270.04316.34
5.4.130.0230.06716.25
5.4.120.0270.06316.27
5.4.110.0170.07316.23
5.4.100.0200.04016.18
5.4.90.0200.03316.47
5.4.80.0230.05716.37
5.4.70.0230.07316.37
5.4.60.0330.05316.45
5.4.50.0230.06716.40
5.4.40.0200.05716.31
5.4.30.0230.03316.36
5.4.20.0170.07716.45
5.4.10.0200.03716.46
5.4.00.0300.06015.71
5.3.290.0230.07014.54
5.3.280.0270.04014.54
5.3.270.0230.07714.62
5.3.260.0300.07014.55
5.3.250.0200.05014.45
5.3.240.0230.07014.54
5.3.230.0270.06714.69
5.3.220.0270.04714.52
5.3.210.0270.07014.51
5.3.200.0200.04314.42
5.3.190.0200.04314.43
5.3.180.0200.05314.50
5.3.170.0330.07014.40
5.3.160.0300.06314.65
5.3.150.0300.06714.38
5.3.140.0200.03714.39
5.3.130.0230.05014.54
5.3.120.0130.04314.38
5.3.110.0270.07314.48
5.3.100.0200.03713.89
5.3.90.0230.05314.07
5.3.80.0200.05013.93
5.3.70.0200.07013.86
5.3.60.0270.04713.87
5.3.50.0130.06714.03
5.3.40.0200.05713.79
5.3.30.0300.04013.92
5.3.20.0230.04313.59
5.3.10.0330.03713.43
5.3.00.0270.04013.46
5.2.170.0130.03712.19
5.2.160.0130.04312.19
5.2.150.0170.04712.19
5.2.140.0100.03312.19
5.2.130.0100.03712.19
5.2.120.0170.05012.19
5.2.110.0200.04712.19
5.2.100.0270.03312.19
5.2.90.0170.02712.19
5.2.80.0170.02312.19
5.2.70.0170.03712.19
5.2.60.0130.03012.19
5.2.50.0230.05012.19
5.2.40.0100.03712.19
5.2.30.0170.04712.19
5.2.20.0070.03312.19
5.2.10.0100.02712.19
5.2.00.0130.02712.19
5.1.60.0130.02012.19
5.1.50.0030.03012.19
5.1.40.0100.02712.19
5.1.30.0070.05012.19
5.1.20.0100.03012.19
5.1.10.0170.01712.19
5.1.00.0130.04312.19
5.0.50.0070.03312.19
5.0.40.0130.04012.19
5.0.30.0100.06312.19
5.0.20.0100.02312.19
5.0.10.0070.02312.19
5.0.00.0070.03312.19
4.4.90.0070.03312.19
4.4.80.0100.01012.19
4.4.70.0030.01712.19
4.4.60.0070.03012.19
4.4.50.0070.01712.19
4.4.40.0100.03312.19
4.4.30.0030.02712.19
4.4.20.0130.02712.19
4.4.10.0070.03312.19
4.4.00.0100.04012.19
4.3.110.0130.02012.19
4.3.100.0100.01712.19
4.3.90.0100.02012.19
4.3.80.0130.02312.19
4.3.70.0130.02712.19
4.3.60.0130.02012.19
4.3.50.0130.03312.19
4.3.40.0100.02712.19
4.3.30.0100.02012.19
4.3.20.0000.02012.19
4.3.10.0100.02312.19
4.3.00.0030.01712.19

preferences:
39.21 ms | 401 KiB | 5 Q