3v4l.org

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

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)
8.3.40.0030.01018.57
8.3.30.0110.01118.83
8.3.20.0030.00520.17
8.3.10.0000.00820.53
8.3.00.0000.00919.56
8.2.170.0070.00722.96
8.2.160.0000.01520.53
8.2.150.0040.00424.18
8.2.140.0090.00024.66
8.2.130.0040.00426.16
8.2.120.0000.00722.18
8.2.110.0030.00622.25
8.2.100.0060.00618.22
8.2.90.0040.00418.93
8.2.80.0040.00417.97
8.2.70.0090.00017.38
8.2.60.0040.00418.04
8.2.50.0040.00418.07
8.2.40.0080.00018.21
8.2.30.0030.00719.29
8.2.20.0040.00417.65
8.2.10.0030.00517.86
8.2.00.0060.00317.48
8.1.270.0000.00822.19
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0000.00923.81
8.1.230.0040.00819.02
8.1.220.0040.00417.74
8.1.210.0100.00018.77
8.1.200.0060.00317.11
8.1.190.0000.00817.23
8.1.180.0080.00018.10
8.1.170.0060.00318.50
8.1.160.0050.00321.81
8.1.150.0000.00818.82
8.1.140.0040.00417.33
8.1.130.0000.00717.75
8.1.120.0040.00417.39
8.1.110.0040.00417.30
8.1.100.0030.00417.37
8.1.90.0000.00717.27
8.1.80.0040.00417.34
8.1.70.0000.00817.38
8.1.60.0040.00417.52
8.1.50.0060.00317.50
8.1.40.0040.00417.43
8.1.30.0040.00417.45
8.1.20.0030.00617.56
8.1.10.0040.00417.47
8.1.00.0050.00217.27
8.0.300.0040.00418.77
8.0.290.0070.00016.63
8.0.280.0000.00818.29
8.0.270.0070.00017.23
8.0.260.0060.00017.09
8.0.250.0000.00616.75
8.0.240.0030.00316.73
8.0.230.0030.00316.75
8.0.220.0030.00316.81
8.0.210.0000.00716.77
8.0.200.0000.00616.92
8.0.190.0050.00316.89
8.0.180.0070.00016.74
8.0.170.0000.00816.77
8.0.160.0000.00716.89
8.0.150.0070.00016.76
8.0.140.0080.00316.78
8.0.130.0000.00813.18
8.0.120.0030.00516.82
8.0.110.0040.00416.77
8.0.100.0040.00416.68
8.0.90.0040.00416.71
8.0.80.0060.00916.75
8.0.70.0000.00716.72
8.0.60.0000.00716.86
8.0.50.0000.00716.71
8.0.30.0140.00817.08
8.0.20.0080.01317.40
8.0.10.0070.00016.91
8.0.00.0110.00616.65
7.4.330.0000.00615.00
7.4.320.0030.00316.33
7.4.300.0030.00316.51
7.4.290.0030.00516.52
7.4.280.0000.00716.56
7.4.270.0070.00016.46
7.4.260.0000.00616.40
7.4.250.0000.00716.48
7.4.240.0030.00316.49
7.4.230.0030.00316.24
7.4.220.0130.01316.43
7.4.210.0110.00316.57
7.4.200.0000.00716.36
7.4.160.0060.00916.60
7.4.150.0110.01117.40
7.4.140.0080.01017.86
7.4.130.0130.00516.37
7.4.120.0080.00916.22
7.4.110.0120.00416.30
7.4.100.0030.01316.34
7.4.90.0040.01416.22
7.4.80.0030.01416.34
7.4.70.0160.00016.37
7.4.60.0100.00616.30
7.4.50.0000.00916.38
7.4.40.0100.00716.47
7.4.30.0040.01216.40
7.4.00.0140.00014.72
7.3.330.0000.00513.07
7.3.320.0000.00613.02
7.3.310.0000.00716.03
7.3.300.0050.00216.20
7.3.290.0080.00616.24
7.3.280.0110.00716.21
7.3.270.0150.00617.40
7.3.260.0110.01116.27
7.3.250.0080.00816.26
7.3.240.0030.01316.18
7.3.230.0100.00516.55
7.3.210.0100.00716.13
7.3.200.0100.01319.39
7.3.190.0090.00916.42
7.3.180.0110.01116.48
7.3.170.0120.00316.49
7.3.160.0130.00316.44
7.2.330.0100.00716.52
7.2.320.0100.00616.58
7.2.310.0110.01116.19
7.2.300.0060.01516.41
7.2.290.0070.01316.24
7.1.100.0030.01017.84
7.1.70.0000.00716.81
7.1.60.0000.01419.32
7.1.50.0140.00716.93
7.1.00.0100.07022.45
7.0.200.0000.01116.67
7.0.140.0100.06722.09
7.0.60.0230.06319.91
7.0.50.0100.04717.89
7.0.40.0070.04320.07
7.0.30.0200.04020.18
7.0.20.0130.05720.33
7.0.10.0070.08720.00
7.0.00.0070.08720.11
5.6.280.0070.07021.04
5.6.210.0100.07720.64
5.6.200.0130.07718.22
5.6.190.0100.07320.46
5.6.180.0470.04720.33
5.6.170.0330.07720.42
5.6.160.0070.06320.32
5.6.150.0070.07718.12
5.6.140.0000.07718.15
5.6.130.0030.04718.19
5.6.120.0100.05720.92
5.6.110.0130.07720.96
5.6.100.0070.07321.03
5.6.90.0030.06021.02
5.6.80.0000.04320.41
5.5.350.0030.04020.40
5.5.340.0230.06317.96
5.5.330.0070.04320.15
5.5.320.0330.04720.18
5.5.310.0200.09320.27
5.5.300.0070.06317.92
5.5.290.0000.04317.92
5.5.280.0170.08020.75
5.5.270.0070.06020.85
5.5.260.0030.04320.67
5.5.250.0170.08020.68
5.5.240.0200.07320.21
5.4.450.0330.08319.48
5.4.440.0900.05719.63
5.4.430.0800.04719.52
5.4.420.0670.05719.60
5.4.410.0830.06019.48
5.4.400.0830.06019.31
5.4.390.1100.04319.12
5.4.380.0300.06018.68
5.4.370.0400.07318.64
5.4.360.0270.05318.68
5.4.350.0330.05718.65
5.4.340.0530.05718.65
5.4.320.0080.03512.45
5.4.310.0080.04312.45
5.4.300.0080.04112.45
5.4.290.0060.04812.45
5.4.280.0060.03512.35
5.4.270.0080.04612.34
5.4.260.0030.04112.35
5.4.250.0060.04412.34
5.4.240.0080.03712.34
5.4.230.0090.03412.34
5.4.220.0070.03712.34
5.4.210.0070.03812.34
5.4.200.0060.03712.34
5.4.190.0080.04312.33
5.4.180.0040.03912.33
5.4.170.0070.04312.35
5.4.160.0060.04112.34
5.4.150.0080.03812.34
5.4.140.0070.03812.02
5.4.130.0030.04512.01
5.4.120.0060.05211.97
5.4.110.0070.03911.96
5.4.100.0060.04311.96
5.4.90.0070.04511.96
5.4.80.0130.03611.96
5.4.70.0110.03511.96
5.4.60.0070.04511.96
5.4.50.0060.03811.96
5.4.40.0040.04011.95
5.4.30.0060.03711.95
5.4.20.0080.04211.95
5.4.10.0110.04511.95
5.4.00.0070.04111.43
5.3.290.0070.04312.80
5.3.280.0050.04012.71
5.3.270.0050.04312.72
5.3.260.0070.04012.71
5.3.250.0130.03912.72
5.3.240.0070.03712.72
5.3.230.0110.03912.71
5.3.220.0070.03612.68
5.3.210.0060.04712.68
5.3.200.0070.04212.68
5.3.190.0100.03712.68
5.3.180.0080.04512.67
5.3.170.0100.03712.67
5.3.160.0090.03612.67
5.3.150.0060.04012.67
5.3.140.0120.04212.66
5.3.130.0060.03912.66
5.3.120.0100.03412.65
5.3.110.0120.04212.66
5.3.100.0060.03812.12
5.3.90.0090.03712.08
5.3.80.0080.03912.07
5.3.70.0070.03812.08
5.3.60.0080.04112.07
5.3.50.0120.03612.00
5.3.40.0110.03512.00
5.3.30.0050.03811.94
5.3.20.0060.04511.72
5.3.10.0060.04111.69
5.3.00.0040.03811.67
5.2.170.0100.0369.17
5.2.160.0060.0339.17
5.2.150.0060.0389.18
5.2.140.0050.0389.17
5.2.130.0040.0319.13
5.2.120.0110.0319.13
5.2.110.0050.0329.14
5.2.100.0060.0309.14
5.2.90.0060.0329.13
5.2.80.0050.0319.13
5.2.70.0090.0349.13
5.2.60.0070.0289.09
5.2.50.0100.0309.05
5.2.40.0050.0329.02
5.2.30.0070.0379.01
5.2.20.0060.0348.99
5.2.10.0060.0298.91
5.2.00.0050.0288.77
5.1.60.0050.0268.05
5.1.50.0070.0258.05
5.1.40.0100.0238.04
5.1.30.0030.0298.39
5.1.20.0050.0348.41
5.1.10.0030.0338.13
5.1.00.0070.0248.13
5.0.50.0000.0246.61
5.0.40.0040.0196.47
5.0.30.0020.0326.28
5.0.20.0010.0216.26
5.0.10.0050.0196.23
5.0.00.0050.0336.23
4.4.90.0030.0174.78
4.4.80.0040.0224.75
4.4.70.0050.0224.76
4.4.60.0040.0174.76
4.4.50.0030.0154.77
4.4.40.0030.0264.71
4.4.30.0020.0164.76
4.4.20.0060.0264.85
4.4.10.0060.0254.85
4.4.00.0060.0244.75
4.3.110.0020.0214.66
4.3.100.0020.0164.67
4.3.90.0070.0124.63
4.3.80.0030.0234.59
4.3.70.0060.0174.63
4.3.60.0050.0154.63
4.3.50.0040.0244.63
4.3.40.0030.0244.54
4.3.30.0010.0183.28
4.3.20.0010.0173.26
4.3.10.0020.0243.22
4.3.00.0030.0236.73

preferences:
38.21 ms | 400 KiB | 5 Q