3v4l.org

run code in 300+ PHP versions simultaneously
<?php $test = array("a"=>0); echo isset($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)
8.3.60.0060.01516.63
8.3.50.0110.01022.04
8.3.40.0070.00718.59
8.3.30.0140.00318.98
8.3.20.0000.00720.29
8.3.10.0000.00821.73
8.3.00.0000.00819.79
8.2.180.0120.00318.35
8.2.170.0070.00722.96
8.2.160.0070.01020.52
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0040.00420.95
8.2.110.0060.00322.27
8.2.100.0040.00717.91
8.2.90.0040.00419.34
8.2.80.0040.00417.97
8.2.70.0000.00817.63
8.2.60.0080.00417.55
8.2.50.0030.00518.07
8.2.40.0030.00620.07
8.2.30.0040.00418.14
8.2.20.0040.00417.65
8.2.10.0040.00418.08
8.2.00.0040.00417.62
8.1.280.0070.00725.92
8.1.270.0050.00323.80
8.1.260.0000.00726.35
8.1.250.0000.00728.09
8.1.240.0000.01023.99
8.1.230.0090.00319.16
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0060.00617.23
8.1.190.0040.00417.10
8.1.180.0020.00518.10
8.1.170.0040.00418.46
8.1.160.0000.00721.94
8.1.150.0000.00718.69
8.1.140.0000.00817.45
8.1.130.0030.00317.75
8.1.120.0030.00317.40
8.1.110.0040.00417.38
8.1.100.0030.00317.41
8.1.90.0000.00717.43
8.1.80.0040.00417.36
8.1.70.0000.00817.30
8.1.60.0100.00017.58
8.1.50.0000.00717.36
8.1.40.0040.00417.34
8.1.30.0040.00417.59
8.1.20.0040.00417.60
8.1.10.0040.00417.56
8.1.00.0050.00217.52
8.0.300.0000.00818.77
8.0.290.0030.00616.63
8.0.280.0000.00718.48
8.0.270.0000.00817.30
8.0.260.0030.00317.26
8.0.250.0000.00716.84
8.0.240.0070.00016.96
8.0.230.0030.00316.84
8.0.220.0000.00716.72
8.0.210.0000.00716.74
8.0.200.0000.00616.86
8.0.190.0000.00716.93
8.0.180.0050.00316.85
8.0.170.0000.00716.86
8.0.160.0000.00716.73
8.0.150.0030.00616.75
8.0.140.0040.00416.70
8.0.130.0000.00513.23
8.0.120.0070.00016.69
8.0.110.0040.00416.77
8.0.100.0040.00416.84
8.0.90.0040.00416.70
8.0.80.0060.01216.83
8.0.70.0000.00716.70
8.0.60.0030.00516.89
8.0.50.0000.00716.79
8.0.30.0160.00517.05
8.0.20.0130.00617.40
8.0.10.0040.00416.81
8.0.00.0060.01316.60
7.4.330.0050.00015.00
7.4.320.0050.00216.44
7.4.300.0000.00716.45
7.4.290.0060.00316.38
7.4.280.0050.00316.60
7.4.270.0070.00016.54
7.4.260.0060.00316.44
7.4.250.0050.00316.36
7.4.240.0060.00116.48
7.4.230.0030.00316.55
7.4.220.0160.01016.39
7.4.210.0090.00616.48
7.4.200.0040.00416.32
7.4.160.0180.00016.57
7.4.150.0090.00917.40
7.4.140.0100.00717.86
7.4.130.0100.00916.42
7.4.120.0110.00516.50
7.4.110.0140.00316.34
7.4.100.0060.01616.55
7.4.90.0120.00616.58
7.4.80.0060.01219.39
7.4.70.0080.00816.28
7.4.60.0130.01016.53
7.4.50.0040.00416.36
7.4.40.0060.01616.51
7.4.30.0080.00816.59
7.4.00.0050.01114.80
7.3.330.0000.00513.15
7.3.320.0020.00213.19
7.3.310.0080.00016.26
7.3.300.0030.00316.22
7.3.290.0070.01116.22
7.3.280.0050.01316.25
7.3.270.0040.01217.40
7.3.260.0060.01316.22
7.3.250.0160.00616.36
7.3.240.0070.01016.30
7.3.230.0100.00716.39
7.3.210.0170.00016.24
7.3.200.0090.01219.39
7.3.190.0140.00316.54
7.3.180.0070.01316.46
7.3.170.0080.00816.30
7.3.160.0120.00316.22
7.3.120.0050.00814.67
7.3.110.0000.01714.94
7.3.100.0070.00715.12
7.3.90.0070.00714.64
7.3.80.0030.01514.77
7.3.70.0100.00714.84
7.3.60.0000.01414.79
7.3.50.0000.01114.90
7.3.40.0030.00714.80
7.3.30.0000.01014.82
7.3.20.0080.00816.35
7.3.10.0070.00716.53
7.3.00.0040.01116.54
7.2.330.0100.01016.71
7.2.320.0110.00816.31
7.2.310.0130.00316.61
7.2.300.0090.00616.57
7.2.290.0060.00916.57
7.2.250.0000.01715.10
7.2.240.0060.01314.88
7.2.230.0140.00315.10
7.2.220.0000.01315.15
7.2.210.0070.01014.94
7.2.200.0100.00315.01
7.2.190.0080.00814.94
7.2.180.0100.00314.95
7.2.170.0040.00714.66
7.2.130.0030.01016.98
7.2.120.0060.00616.86
7.2.110.0030.00916.79
7.2.100.0080.00416.58
7.2.90.0070.01016.93
7.2.80.0080.00616.91
7.2.70.0070.00316.84
7.2.60.0140.00316.90
7.2.50.0000.00916.91
7.2.40.0090.00916.93
7.2.30.0070.00716.85
7.2.20.0040.00717.01
7.2.10.0030.01016.86
7.2.00.0050.01318.20
7.1.330.0040.00815.77
7.1.320.0000.01315.79
7.1.310.0000.01515.64
7.1.300.0080.00815.79
7.1.290.0070.00415.76
7.1.280.0040.00815.79
7.1.270.0110.00415.71
7.1.260.0030.01015.70
7.1.250.0040.01115.75
7.1.100.0060.00918.13
7.1.70.0060.00616.81
7.1.60.0000.01119.14
7.1.50.0110.01116.86
7.1.00.0030.04722.45
7.0.200.0000.00816.82
7.0.140.0000.07721.95
7.0.60.0130.04720.09
7.0.50.0070.04317.71
7.0.40.0070.09320.30
7.0.30.0230.06020.04
7.0.20.0200.08020.18
7.0.10.0100.06720.09
7.0.00.0000.09020.17
5.6.280.0000.07720.90
5.6.210.0100.07720.47
5.6.200.0070.03718.17
5.6.190.0030.08020.60
5.6.180.0300.07320.27
5.6.170.0330.07320.52
5.6.160.0000.05720.61
5.6.150.0030.04318.16
5.6.140.0070.07718.12
5.6.130.0000.08718.18
5.6.120.0100.06320.89
5.6.110.0030.08321.09
5.6.100.0230.07020.97
5.6.90.0130.07721.02
5.6.80.0070.06320.48
5.5.350.4330.03720.36
5.5.340.0070.03718.02
5.5.330.0030.05320.57
5.5.320.0100.04720.19
5.5.310.0370.07720.50
5.5.300.0000.04017.88
5.5.290.0100.08317.91
5.5.280.0070.08320.63
5.5.270.0130.06320.86
5.5.260.0130.07720.83
5.5.250.0070.08020.68
5.5.240.0070.05320.12
5.4.450.0800.06319.09
5.4.440.0630.05719.42
5.4.430.0670.06019.25
5.4.420.0670.06019.41
5.4.410.0770.05719.20
5.4.400.0700.05319.30
5.4.390.0670.05719.23
5.4.380.0170.04318.69
5.4.370.0070.03718.77
5.4.360.0100.03718.63
5.4.350.0070.05111.97
5.4.340.0100.05511.97
5.4.320.0090.04312.45
5.4.310.0060.03812.45
5.4.300.0070.03412.45
5.4.290.0080.03612.45
5.4.280.0040.03712.35
5.4.270.0070.03512.34
5.4.260.0070.03712.34
5.4.250.0080.03812.35
5.4.240.0060.03612.34
5.4.230.0040.03912.34
5.4.220.0050.04212.34
5.4.210.0060.03412.34
5.4.200.0080.03912.34
5.4.190.0060.03612.33
5.4.180.0070.03512.33
5.4.170.0050.04512.34
5.4.160.0070.03912.34
5.4.150.0120.03612.34
5.4.140.0050.03812.02
5.4.130.0050.03512.01
5.4.120.0050.04311.96
5.4.110.0070.03311.96
5.4.100.0030.03711.97
5.4.90.0110.03611.96
5.4.80.0040.04111.96
5.4.70.0060.03711.96
5.4.60.0030.04011.96
5.4.50.0060.04211.96
5.4.40.0040.03711.95
5.4.30.0050.03611.95
5.4.20.0030.03811.95
5.4.10.0050.03611.95
5.4.00.0030.03911.43
5.3.290.0090.04412.80
5.3.280.0050.04112.71
5.3.270.0020.04312.72
5.3.260.0060.04712.72
5.3.250.0070.03812.72
5.3.240.0060.04012.71
5.3.230.0030.04112.71
5.3.220.0090.03312.68
5.3.210.0050.03912.68
5.3.200.0040.03812.68
5.3.190.0070.03612.68
5.3.180.0110.03212.67
5.3.170.0040.03812.67
5.3.160.0030.03912.67
5.3.150.0060.03612.68
5.3.140.0060.03612.66
5.3.130.0050.03912.66
5.3.120.0110.03312.66
5.3.110.0070.03712.66
5.3.100.0060.03712.12
5.3.90.0070.03512.08
5.3.80.0050.03712.07
5.3.70.0090.04012.07
5.3.60.0040.03712.06
5.3.50.0060.03512.00
5.3.40.0070.03912.00
5.3.30.0080.03411.94
5.3.20.0060.03911.72
5.3.10.0040.03511.69
5.3.00.0050.03611.67
5.2.170.0100.0299.18
5.2.160.0040.0309.18
5.2.150.0080.0339.18
5.2.140.0050.0399.17
5.2.130.0060.0269.13
5.2.120.0010.0319.13
5.2.110.0060.0289.14
5.2.100.0050.0289.13
5.2.90.0090.0259.14
5.2.80.0050.0309.13
5.2.70.0060.0299.13
5.2.60.0040.0319.08
5.2.50.0030.0319.05
5.2.40.0040.0329.03
5.2.30.0040.0309.01
5.2.20.0050.0309.00
5.2.10.0010.0318.93
5.2.00.0050.0288.79
5.1.60.0040.0248.08
5.1.50.0060.0308.07
5.1.40.0040.0278.05
5.1.30.0040.0278.40
5.1.20.0050.0338.42
5.1.10.0050.0268.15
5.1.00.0030.0288.15
5.0.50.0060.0226.63
5.0.40.0040.0246.48
5.0.30.0030.0346.30
5.0.20.0050.0196.27
5.0.10.0030.0226.25
5.0.00.0030.0366.23
4.4.90.0010.0194.78
4.4.80.0010.0184.75
4.4.70.0010.0244.76
4.4.60.0030.0234.75
4.4.50.0020.0184.77
4.4.40.0050.0254.71
4.4.30.0030.0154.76
4.4.20.0030.0154.84
4.4.10.0020.0214.85
4.4.00.0050.0284.76
4.3.110.0020.0174.67
4.3.100.0040.0144.66
4.3.90.0000.0184.64
4.3.80.0040.0244.58
4.3.70.0050.0214.63
4.3.60.0040.0164.63
4.3.50.0040.0144.63
4.3.40.0020.0254.54
4.3.30.0020.0163.29
4.3.20.0010.0173.27
4.3.10.0020.0153.23
4.3.00.0170.0237.82

preferences:
47.75 ms | 401 KiB | 5 Q