3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = "\x2d"; echo $a; ?>

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)
8.3.40.0110.00318.54
8.3.30.0070.00719.06
8.3.20.0040.00420.16
8.3.10.0050.00323.28
8.3.00.0040.00419.26
8.2.170.0140.00022.96
8.2.160.0070.00720.52
8.2.150.0030.00524.18
8.2.140.0040.00424.66
8.2.130.0050.00326.16
8.2.120.0070.00721.16
8.2.110.0100.00020.90
8.2.100.0110.00017.91
8.2.90.0040.00417.90
8.2.80.0030.00617.97
8.2.70.0000.01217.25
8.2.60.0000.00817.91
8.2.50.0030.00618.07
8.2.40.0030.00518.16
8.2.30.0000.00717.96
8.2.20.0050.00517.70
8.2.10.0050.00218.05
8.2.00.0050.00317.54
8.1.270.0060.00323.91
8.1.260.0070.00026.35
8.1.250.0000.00828.09
8.1.240.0090.00022.48
8.1.230.0040.00720.89
8.1.220.0080.00017.78
8.1.210.0040.00418.93
8.1.200.0060.00317.13
8.1.190.0040.00416.98
8.1.180.0050.00318.10
8.1.170.0030.00618.59
8.1.160.0070.00021.94
8.1.150.0030.00318.91
8.1.140.0040.00417.31
8.1.130.0050.00317.75
8.1.120.0030.00317.45
8.1.110.0070.00017.28
8.1.100.0050.00317.42
8.1.90.0050.00317.40
8.1.80.0020.00517.40
8.1.70.0030.00317.36
8.1.60.0060.00317.55
8.1.50.0000.00817.38
8.1.40.0000.00817.43
8.1.30.0000.00817.50
8.1.20.0000.01117.58
8.1.10.0040.00417.54
8.1.00.0020.00517.49
8.0.300.0000.00819.90
8.0.290.0000.00716.75
8.0.280.0030.00318.44
8.0.270.0030.00317.24
8.0.260.0060.00017.15
8.0.250.0000.00716.95
8.0.240.0000.00716.90
8.0.230.0070.00016.84
8.0.220.0030.00316.82
8.0.210.0000.00716.83
8.0.200.0060.00016.86
8.0.190.0020.00516.78
8.0.180.0070.00016.90
8.0.170.0030.00516.82
8.0.160.0040.00416.85
8.0.150.0040.00416.75
8.0.140.0050.00316.64
8.0.130.0030.00313.25
8.0.120.0060.00316.74
8.0.110.0040.00416.70
8.0.100.0040.00416.86
8.0.90.0050.00216.69
8.0.80.0060.01116.82
8.0.70.0040.00416.85
8.0.60.0040.00416.70
8.0.50.0030.00316.67
8.0.30.0140.00517.00
8.0.20.0060.01217.40
8.0.10.0000.00816.99
8.0.00.0100.00816.71
7.4.330.0000.00515.08
7.4.320.0070.00016.43
7.4.300.0000.00616.55
7.4.290.0030.00316.38
7.4.280.0040.00416.53
7.4.270.0070.00016.48
7.4.260.0000.00816.50
7.4.250.0050.00316.39
7.4.240.0030.00316.43
7.4.230.0000.00616.32
7.4.220.0070.01016.35
7.4.210.0160.00316.56
7.4.200.0030.00316.42
7.4.160.0090.00616.42
7.4.150.0090.01217.40
7.4.140.0120.00517.86
7.4.130.0070.01516.41
7.4.120.0120.00716.39
7.4.110.0120.01216.40
7.4.100.0100.00716.43
7.4.90.0030.01316.41
7.4.80.0110.00719.39
7.4.70.0090.00616.46
7.4.60.0090.00616.48
7.4.50.0000.00416.37
7.4.40.0090.00916.44
7.4.30.0060.00916.59
7.4.00.0060.00915.01
7.3.330.0020.00213.04
7.3.320.0000.00513.02
7.3.310.0070.00016.22
7.3.300.0030.00316.09
7.3.290.0120.00316.28
7.3.280.0070.01016.19
7.3.270.0100.00917.40
7.3.260.0160.00916.51
7.3.250.0110.00516.47
7.3.240.0110.00816.26
7.3.230.0140.00616.43
7.3.210.0160.00616.13
7.3.200.0080.00819.39
7.3.190.0090.01216.31
7.3.180.0110.00616.35
7.3.170.0060.00916.27
7.3.160.0060.01016.46
7.2.330.0060.01116.61
7.2.320.0150.00316.50
7.2.310.0130.00316.37
7.2.300.0130.00916.21
7.2.290.0050.01516.55
7.2.60.0030.01016.29
7.2.00.0000.01619.29
7.1.200.0000.01215.57
7.1.100.0000.01118.07
7.1.70.0040.00417.02
7.1.60.0030.01719.40
7.1.50.0060.01316.94
7.1.00.0070.07322.32
7.0.200.0030.00516.51
7.0.140.0130.06021.96
7.0.60.0130.07719.85
7.0.50.0030.04017.85
7.0.40.0130.06320.20
7.0.30.0630.06020.12
7.0.20.0270.04320.17
7.0.10.0000.04720.09
7.0.00.0130.07720.01
5.6.280.0070.07020.85
5.6.210.0230.07020.50
5.6.200.0030.05018.16
5.6.190.0030.06020.57
5.6.180.0230.08020.35
5.6.170.0170.04320.37
5.6.160.0030.07720.46
5.6.150.0100.07318.09
5.6.140.0100.03718.16
5.6.130.0070.08018.09
5.6.120.0030.04321.00
5.6.110.0070.08321.03
5.6.100.0030.06721.03
5.6.90.0100.07321.10
5.6.80.0100.04720.38
5.5.350.0070.05320.40
5.5.340.0000.04018.00
5.5.330.0030.08020.29
5.5.320.0300.08020.26
5.5.310.0330.03720.29
5.5.300.0030.04317.98
5.5.290.0070.08017.89
5.5.280.0070.08320.79
5.5.270.0170.07720.80
5.5.260.0030.08320.95
5.5.250.0070.08320.58
5.5.240.0270.06720.18
5.4.450.0300.03719.46
5.4.440.0230.03719.24
5.4.430.0200.04019.58
5.4.420.0300.03719.45
5.4.410.0900.04019.28
5.4.400.0400.03719.13
5.4.390.0170.04319.08
5.4.380.0400.07718.49
5.4.370.0370.07018.71
5.4.360.0570.06318.72
5.4.350.0370.07018.70
5.4.340.0330.07018.65
5.4.320.0140.04112.46
5.4.310.0070.03812.45
5.4.300.0070.03512.45
5.4.290.0040.04012.45
5.4.280.0050.03612.34
5.4.270.0070.03512.35
5.4.260.0060.03712.35
5.4.250.0070.03512.34
5.4.240.0070.03912.34
5.4.230.0050.03812.34
5.4.220.0080.03412.34
5.4.210.0030.03912.34
5.4.200.0050.03812.34
5.4.190.0040.04112.33
5.4.180.0090.04212.34
5.4.170.0040.04212.34
5.4.160.0040.04012.34
5.4.150.0060.03512.34
5.4.140.0080.03312.02
5.4.130.0050.04212.01
5.4.120.0070.03511.96
5.4.110.0050.03611.96
5.4.100.0040.03811.97
5.4.90.0040.03911.96
5.4.80.0070.03611.96
5.4.70.0090.03211.96
5.4.60.0070.03411.96
5.4.50.0070.03411.96
5.4.40.0100.03011.95
5.4.30.0070.03311.95
5.4.20.0040.03611.95
5.4.10.0070.04111.95
5.4.00.0070.03611.44
5.3.290.0060.03912.80
5.3.280.0040.03912.71
5.3.270.0020.04212.73
5.3.260.0050.03912.71
5.3.250.0040.03812.72
5.3.240.0070.03412.72
5.3.230.0060.04412.71
5.3.220.0070.03912.68
5.3.210.0070.03812.68
5.3.200.0060.03712.68
5.3.190.0090.03512.68
5.3.180.0040.03812.68
5.3.170.0030.03912.67
5.3.160.0030.04312.67
5.3.150.0050.03812.68
5.3.140.0040.04012.66
5.3.130.0050.04012.66
5.3.120.0030.04112.66
5.3.110.0080.03912.66
5.3.100.0070.03412.12
5.3.90.0070.03912.08
5.3.80.0030.04112.08
5.3.70.0060.03912.07
5.3.60.0040.03812.06
5.3.50.0080.04012.00
5.3.40.0080.04212.00
5.3.30.0060.03511.94
5.3.20.0100.03611.72
5.3.10.0100.03511.69
5.3.00.0060.04011.67
5.2.170.0070.0309.17
5.2.160.0040.0299.18
5.2.150.0090.0269.18
5.2.140.0090.0329.17
5.2.130.0030.0309.13
5.2.120.0080.0349.13
5.2.110.0040.0299.14
5.2.100.0040.0299.13
5.2.90.0030.0309.13
5.2.80.0040.0359.13
5.2.70.0040.0299.13
5.2.60.0050.0399.08
5.2.50.0030.0339.05
5.2.40.0020.0319.03
5.2.30.0060.0369.00
5.2.20.0090.0289.00
5.2.10.0060.0268.92
5.2.00.0030.0298.77
5.1.60.0070.0238.05
5.1.50.0020.0268.05
5.1.40.0070.0238.04
5.1.30.0010.0298.39
5.1.20.0050.0258.40
5.1.10.0100.0208.13
5.1.00.0050.0268.13
5.0.50.0040.0206.61
5.0.40.0050.0186.47
5.0.30.0020.0376.28
5.0.20.0050.0206.25
5.0.10.0020.0276.23
5.0.00.0020.0306.22
4.4.90.0010.0164.78
4.4.80.0030.0154.75
4.4.70.0020.0204.76
4.4.60.0010.0184.76
4.4.50.0040.0214.77
4.4.40.0020.0294.70
4.4.30.0010.0174.76
4.4.20.0040.0234.84
4.4.10.0020.0164.85
4.4.00.0030.0254.76
4.3.110.0030.0144.67
4.3.100.0040.0184.66
4.3.90.0020.0144.63
4.3.80.0030.0234.58
4.3.70.0030.0134.63
4.3.60.0040.0154.62
4.3.50.0040.0184.63
4.3.40.0030.0234.54
4.3.30.0020.0243.28
4.3.20.0020.0213.25
4.3.10.0010.0163.21
4.3.00.0130.01314.89

preferences:
42.81 ms | 400 KiB | 5 Q