3v4l.org

run code in 300+ PHP versions simultaneously
<?php $test = array("a"=>null); echo isset($test["a"])?$test["a"]:"Not Set";

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)
8.3.40.0140.00018.76
8.3.30.0070.01019.05
8.3.20.0040.00420.22
8.3.10.0000.00821.90
8.3.00.0000.00819.55
8.2.170.0100.00322.96
8.2.160.0110.00720.57
8.2.150.0040.01124.18
8.2.140.0000.00724.66
8.2.130.0000.00826.16
8.2.120.0060.00320.35
8.2.110.0140.00720.51
8.2.100.0040.00717.91
8.2.90.0060.00319.34
8.2.80.0040.00417.97
8.2.70.0000.00817.63
8.2.60.0000.01117.93
8.2.50.0080.00018.07
8.2.40.0060.00318.34
8.2.30.0000.00718.20
8.2.20.0050.00317.84
8.2.10.0040.00417.87
8.2.00.0000.00717.55
8.1.270.0040.00423.82
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0100.00323.91
8.1.230.0090.00319.14
8.1.220.0000.00817.74
8.1.210.0050.00318.77
8.1.200.0030.00617.22
8.1.190.0000.00817.00
8.1.180.0060.00318.10
8.1.170.0040.00418.37
8.1.160.0070.00021.98
8.1.150.0080.00018.81
8.1.140.0050.00317.39
8.1.130.0030.00317.82
8.1.120.0000.00717.36
8.1.110.0080.00017.41
8.1.100.0000.00717.41
8.1.90.0070.00017.41
8.1.80.0000.00717.42
8.1.70.0030.00317.27
8.1.60.0030.00717.42
8.1.50.0040.00417.46
8.1.40.0000.00817.46
8.1.30.0040.00417.60
8.1.20.0040.00417.55
8.1.10.0040.00417.56
8.1.00.0040.00417.55
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0050.00318.44
8.0.270.0030.00517.30
8.0.260.0000.00717.24
8.0.250.0030.00316.92
8.0.240.0030.00316.95
8.0.230.0000.00716.89
8.0.220.0000.00616.81
8.0.210.0030.00316.80
8.0.200.0030.00316.84
8.0.190.0070.00016.87
8.0.180.0000.00816.76
8.0.170.0040.00416.86
8.0.160.0080.00016.86
8.0.150.0030.00316.76
8.0.140.0000.00716.77
8.0.130.0030.00313.20
8.0.120.0040.00416.82
8.0.110.0000.00716.69
8.0.100.0050.00216.80
8.0.90.0000.00816.82
8.0.80.0140.00916.77
8.0.70.0000.00716.86
8.0.60.0040.00416.71
8.0.50.0040.00416.77
8.0.30.0090.01116.96
8.0.20.0110.00817.40
8.0.10.0040.00416.82
8.0.00.0060.01216.57
7.4.330.0020.00215.04
7.4.320.0000.00616.44
7.4.300.0030.00316.54
7.4.290.0000.01116.62
7.4.280.0000.00916.53
7.4.270.0050.00316.34
7.4.260.0050.00216.43
7.4.250.0030.00316.33
7.4.240.0050.00216.40
7.4.230.0040.00416.27
7.4.220.0100.01016.57
7.4.210.0070.00716.63
7.4.200.0080.00016.35
7.4.160.0110.00616.33
7.4.150.0070.01017.40
7.4.140.0070.01017.86
7.4.130.0100.00616.61
7.4.120.0100.00716.49
7.4.110.0040.01316.48
7.4.100.0070.01016.67
7.4.90.0110.00716.54
7.4.80.0070.01019.39
7.4.70.0080.01116.59
7.4.60.0090.00916.37
7.4.50.0060.00016.25
7.4.40.0000.01716.30
7.4.30.0120.00316.45
7.4.00.0070.00714.88
7.3.330.0000.00513.05
7.3.320.0000.00512.94
7.3.310.0030.00316.34
7.3.300.0030.00316.04
7.3.290.0060.00916.16
7.3.280.0060.01116.21
7.3.270.0040.01717.40
7.3.260.0150.00616.43
7.3.250.0090.01116.22
7.3.240.0100.00816.26
7.3.230.0100.01016.39
7.3.210.0090.00616.45
7.3.200.0070.01619.39
7.3.190.0060.01516.52
7.3.180.0090.00616.24
7.3.170.0080.00816.32
7.3.160.0060.00916.43
7.3.120.0070.01014.83
7.2.330.0140.00416.63
7.2.320.0030.01316.25
7.2.310.0060.00916.46
7.2.300.0110.00716.46
7.2.290.0120.00316.53
7.2.60.0090.00616.79
7.1.200.0040.00715.59
7.1.100.0000.01117.75
7.1.70.0000.00916.74
7.1.60.0090.00319.14
7.1.50.0070.01416.83
7.1.00.0030.04722.27
7.0.200.0070.00016.70
7.0.140.0030.07322.12
7.0.60.0030.04319.92
7.0.50.0000.04317.79
7.0.40.0070.07320.09
7.0.30.0300.07720.16
7.0.20.0170.04020.18
7.0.10.0030.05020.30
7.0.00.0130.08020.16
5.6.280.0100.06720.77
5.6.210.0200.07020.50
5.6.200.0130.07718.15
5.6.190.0100.04020.51
5.6.180.3230.03320.43
5.6.170.0300.07720.52
5.6.160.0070.07720.52
5.6.150.0030.08318.08
5.6.140.0130.07318.08
5.6.130.0070.08318.20
5.6.120.0000.05720.89
5.6.110.0070.04020.95
5.6.100.0030.05721.00
5.6.90.0100.08020.96
5.6.80.0070.05720.40
5.6.70.0300.08020.27
5.5.350.0070.08020.40
5.5.340.0100.07018.01
5.5.330.0030.07720.29
5.5.320.0470.06320.32
5.5.310.0200.07720.30
5.5.300.0070.06717.89
5.5.290.0030.04018.01
5.5.280.0030.04320.93
5.5.270.0030.05020.87
5.5.260.0030.05020.96
5.5.250.0000.09020.68
5.5.240.0170.06720.35
5.4.450.0930.05319.14
5.4.440.0730.05019.17
5.4.430.0370.05319.25
5.4.420.0830.04319.55
5.4.410.0200.04319.39
5.4.400.0130.07719.21
5.4.390.0700.05318.89
5.4.380.0030.06018.72
5.4.370.0270.04318.65
5.4.360.0200.04018.71
5.4.350.0120.07211.97
5.4.340.0100.07711.96
5.4.320.0070.03912.45
5.4.310.0080.03512.45
5.4.300.0040.03812.45
5.4.290.0070.03612.45
5.4.280.0030.03712.35
5.4.270.0060.03612.34
5.4.260.0060.03712.35
5.4.250.0060.03712.35
5.4.240.0020.04012.34
5.4.230.0050.03812.34
5.4.220.0060.03612.34
5.4.210.0070.03512.34
5.4.200.0060.03812.34
5.4.190.0040.03712.34
5.4.180.0050.03712.34
5.4.170.0130.02912.34
5.4.160.0070.03612.34
5.4.150.0070.04012.34
5.4.140.0050.03912.02
5.4.130.0050.03512.01
5.4.120.0050.03811.97
5.4.110.0050.03711.96
5.4.100.0040.03711.96
5.4.90.0050.03711.96
5.4.80.0040.03811.96
5.4.70.0080.03111.96
5.4.60.0060.03511.96
5.4.50.0090.04511.96
5.4.40.0060.03411.95
5.4.30.0060.03511.95
5.4.20.0060.03511.95
5.4.10.0100.03611.95
5.4.00.0050.03711.43
5.3.290.0100.04112.80
5.3.280.0060.03712.71
5.3.270.0060.04012.73
5.3.260.0040.04212.72
5.3.250.0050.03812.72
5.3.240.0070.03712.72
5.3.230.0110.04312.71
5.3.220.0060.04212.68
5.3.210.0090.03412.68
5.3.200.0140.02812.68
5.3.190.0080.03512.68
5.3.180.0080.03612.68
5.3.170.0090.03712.67
5.3.160.0050.03912.68
5.3.150.0060.03612.67
5.3.140.0050.03612.66
5.3.130.0060.03912.65
5.3.120.0070.03712.65
5.3.110.0060.03912.66
5.3.100.0070.03612.11
5.3.90.0070.03612.08
5.3.80.0060.03612.07
5.3.70.0040.03812.07
5.3.60.0050.03612.06
5.3.50.0050.03712.00
5.3.40.0060.03612.00
5.3.30.0030.03711.94
5.3.20.0060.03611.72
5.3.10.0110.03011.69
5.3.00.0060.03611.68
5.2.170.0030.0329.18
5.2.160.0050.0299.18
5.2.150.0060.0309.17
5.2.140.0080.0279.17
5.2.130.0070.0279.13
5.2.120.0010.0349.14
5.2.110.0050.0289.14
5.2.100.0030.0319.14
5.2.90.0030.0319.13
5.2.80.0020.0349.13
5.2.70.0050.0329.13
5.2.60.0040.0349.09
5.2.50.0040.0339.05
5.2.40.0050.0299.03
5.2.30.0040.0339.01
5.2.20.0060.0308.99
5.2.10.0050.0278.92
5.2.00.0040.0298.77
5.1.60.0030.0248.06
5.1.50.0060.0258.05
5.1.40.0070.0218.04
5.1.30.0050.0258.39
5.1.20.0040.0348.41
5.1.10.0040.0288.14
5.1.00.0010.0398.13
5.0.50.0040.0256.61
5.0.40.0060.0186.46
5.0.30.0040.0326.29
5.0.20.0050.0186.25
5.0.10.0030.0216.23
5.0.00.0040.0306.22
4.4.90.0060.0214.78
4.4.80.0060.0154.75
4.4.70.0060.0184.75
4.4.60.0030.0174.75
4.4.50.0030.0184.77
4.4.40.0020.0264.71
4.4.30.0030.0154.76
4.4.20.0030.0154.85
4.4.10.0020.0164.85
4.4.00.0030.0244.76
4.3.110.0030.0154.67
4.3.100.0060.0124.66
4.3.90.0010.0224.64
4.3.80.0040.0274.58
4.3.70.0020.0154.63
4.3.60.0060.0114.63
4.3.50.0020.0164.63
4.3.40.0030.0274.54
4.3.30.0020.0193.28
4.3.20.0030.0253.25
4.3.10.0040.0163.21
4.3.00.0100.0237.11

preferences:
41.36 ms | 400 KiB | 5 Q