3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = new ArrayObject(); $a['null'] = null; var_dump($a->offsetExists('null')); var_dump(isset($a['null'])); var_dump(array_key_exists('null', $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)
8.3.60.0070.00716.75
8.3.50.0090.00722.04
8.3.40.0100.01018.66
8.3.30.0110.00419.08
8.3.20.0040.00420.34
8.3.10.0040.00423.52
8.3.00.0100.00019.50
8.2.180.0150.00618.66
8.2.170.0110.00722.96
8.2.160.0070.00720.36
8.2.150.0000.00724.18
8.2.140.0040.00424.66
8.2.130.0000.00826.16
8.2.120.0070.00022.16
8.2.110.0110.00020.75
8.2.100.0040.00817.97
8.2.90.0030.00619.14
8.2.80.0080.00017.97
8.2.70.0000.00817.63
8.2.60.0040.00417.93
8.2.50.0060.00318.07
8.2.40.0060.00320.01
8.2.30.0080.00018.09
8.2.20.0030.00617.63
8.2.10.0040.00418.04
8.2.00.0090.00017.64
8.1.280.0120.00625.92
8.1.270.0040.00422.07
8.1.260.0080.00026.35
8.1.250.0070.00028.09
8.1.240.0060.00321.27
8.1.230.0000.01119.00
8.1.220.0030.00617.79
8.1.210.0060.00318.77
8.1.200.0080.00017.35
8.1.190.0050.00517.00
8.1.180.0080.00018.10
8.1.170.0060.00318.58
8.1.160.0040.00418.82
8.1.150.0020.00518.49
8.1.140.0060.00317.34
8.1.130.0030.00317.70
8.1.120.0000.00717.29
8.1.110.0070.00017.42
8.1.100.0040.00417.40
8.1.90.0040.00417.36
8.1.80.0030.00317.28
8.1.70.0000.00717.36
8.1.60.0000.00817.42
8.1.50.0040.00417.58
8.1.40.0040.00417.46
8.1.30.0080.00017.65
8.1.20.0050.00317.66
8.1.10.0040.00417.47
8.1.00.0040.00417.54
8.0.300.0060.00318.77
8.0.290.0040.00416.63
8.0.280.0000.00818.45
8.0.270.0000.00717.19
8.0.260.0040.00417.12
8.0.250.0000.00616.93
8.0.240.0000.00716.87
8.0.230.0070.00016.82
8.0.220.0030.00316.94
8.0.210.0030.00316.77
8.0.200.0070.00016.96
8.0.190.0080.00016.96
8.0.180.0040.00416.95
8.0.170.0040.00416.95
8.0.160.0030.00316.85
8.0.150.0000.00716.79
8.0.140.0000.00716.87
8.0.130.0000.00713.31
8.0.120.0000.00716.85
8.0.110.0000.00716.77
8.0.100.0040.00416.87
8.0.90.0000.00716.93
8.0.80.0120.00316.94
8.0.70.0000.00716.76
8.0.60.0050.00316.94
8.0.50.0040.00416.68
8.0.30.0120.00717.03
8.0.20.0090.01117.40
8.0.10.0050.00316.82
8.0.00.0060.01416.89
7.4.330.0060.00015.11
7.4.320.0000.00816.57
7.4.300.0030.00316.51
7.4.290.0030.00316.52
7.4.280.0040.00416.64
7.4.270.0000.00716.52
7.4.260.0000.00716.50
7.4.250.0040.00416.45
7.4.240.0040.00416.61
7.4.230.0030.00316.40
7.4.220.0100.00616.55
7.4.210.0080.00916.47
7.4.200.0030.00316.57
7.4.190.0070.00016.68
7.4.160.0100.00616.63
7.4.150.0080.01317.40
7.4.140.0030.01417.86
7.4.130.0110.00616.45
7.4.120.0110.00616.70
7.4.110.0170.00016.64
7.4.100.0070.01016.65
7.4.90.0160.00316.50
7.4.80.0030.01619.39
7.4.70.0070.01016.45
7.4.60.0040.01216.40
7.4.50.0000.00816.65
7.4.40.0090.00622.77
7.4.30.0000.01616.50
7.4.00.0130.00315.05
7.3.330.0000.00513.01
7.3.320.0000.00513.20
7.3.310.0000.00716.17
7.3.300.0040.00416.26
7.3.290.0030.01316.25
7.3.280.0090.01016.27
7.3.270.0040.01217.40
7.3.260.0190.00416.33
7.3.250.0120.00716.23
7.3.240.0090.00916.46
7.3.230.0070.01616.39
7.3.210.0130.00716.50
7.3.200.0080.01419.39
7.3.190.0080.01116.45
7.3.180.0060.01516.29
7.3.170.0030.01316.44
7.3.160.0100.01016.19
7.3.120.0030.00914.98
7.3.110.0070.01014.75
7.3.100.0110.00414.82
7.3.90.0040.00714.70
7.3.80.0090.00615.17
7.3.70.0080.01214.77
7.3.60.0070.00714.73
7.3.50.0030.00914.72
7.3.40.0110.00414.88
7.3.30.0060.00614.72
7.3.20.0080.00816.71
7.3.10.0000.01416.36
7.3.00.0030.01516.74
7.2.330.0120.00616.59
7.2.320.0060.01516.49
7.2.310.0120.00816.42
7.2.300.0040.01216.38
7.2.290.0130.01016.51
7.2.240.0030.01514.85
7.2.230.0030.01015.06
7.2.220.0040.01115.02
7.2.210.0070.01014.76
7.2.200.0100.00715.11
7.2.190.0100.00714.67
7.2.180.0000.01115.11
7.2.170.0060.01314.97
7.2.160.0060.00914.65
7.2.150.0040.01416.81
7.2.140.0030.00916.78
7.2.130.0070.01116.47
7.2.120.0100.01016.88
7.2.110.0070.01116.63
7.2.100.0070.00716.71
7.2.90.0030.01216.88
7.2.80.0060.00917.11
7.2.70.0000.01116.74
7.2.60.0070.01016.80
7.2.50.0140.00416.95
7.2.40.0070.01016.57
7.2.30.0070.00716.66
7.2.20.0040.01117.13
7.2.10.0030.01016.82
7.2.00.0070.00818.03
7.1.330.0070.01115.89
7.1.320.0030.01415.77
7.1.310.0080.00615.80
7.1.300.0050.01215.83
7.1.290.0070.01015.92
7.1.280.0000.01715.65
7.1.270.0060.00915.75
7.1.260.0070.00315.91
7.1.250.0060.01315.54
7.1.100.0030.01017.98
7.1.70.0070.00317.32
7.1.60.0110.01519.46
7.1.50.0210.01434.61
7.1.00.0000.07722.44
7.0.200.0000.01016.61
7.0.140.0030.07322.05
7.0.60.0030.04019.92
7.0.50.0030.08017.89
7.0.40.0170.06020.40
7.0.30.0270.04020.13
7.0.20.0330.07020.13
7.0.10.0000.05720.01
7.0.00.0000.04720.18
5.6.280.0000.07720.86
5.6.210.0100.07020.52
5.6.200.0070.05718.12
5.6.190.0030.04720.61
5.6.180.0330.06720.33
5.6.170.0130.06720.48
5.6.160.0100.06020.50
5.6.150.0170.08018.22
5.6.140.0070.07718.14
5.6.130.0030.04018.21
5.6.120.0030.08321.04
5.6.110.0070.04721.02
5.6.100.0030.07721.00
5.6.90.0070.08021.02
5.6.80.0100.07320.38
5.6.70.4270.04020.49
5.5.350.0130.07720.30
5.5.340.0030.04317.98
5.5.330.0130.07720.46
5.5.320.0230.05720.28
5.5.310.0270.07320.31
5.5.300.0030.04017.89
5.5.290.0100.08717.88
5.5.280.0170.07020.96
5.5.270.0100.08320.79
5.5.260.0100.08020.95
5.5.250.0070.03720.66
5.5.240.0230.07320.33
5.4.450.0670.05719.23
5.4.440.0900.05019.48
5.4.430.0830.06719.09
5.4.420.0200.04319.23
5.4.410.0700.06719.38
5.4.400.0630.06318.98
5.4.390.0300.04719.19
5.4.380.0200.05018.71
5.4.370.0200.05018.73
5.4.360.0100.05718.76
5.4.350.0200.05318.50
5.4.340.0170.05718.53
5.4.320.0070.03612.45
5.4.310.0070.04212.45
5.4.300.0070.03512.45
5.4.290.0090.04912.43
5.4.280.0050.03712.33
5.4.270.0050.03712.33
5.4.260.0060.03712.33
5.4.250.0040.04612.33
5.4.240.0070.04412.33
5.4.230.0100.03912.32
5.4.220.0100.03412.32
5.4.210.0070.03812.32
5.4.200.0060.03912.33
5.4.190.0050.04012.32
5.4.180.0080.04212.32
5.4.170.0070.04612.33
5.4.160.0070.03812.33
5.4.150.0070.03712.33
5.4.140.0080.03612.01
5.4.130.0080.03412.00
5.4.120.0060.03911.95
5.4.110.0090.03311.95
5.4.100.0080.03511.95
5.4.90.0070.03811.95
5.4.80.0070.04011.95
5.4.70.0090.03311.95
5.4.60.0080.04011.95
5.4.50.0060.05311.95
5.4.40.0080.05011.94
5.4.30.0090.04611.93
5.4.20.0070.04211.93
5.4.10.0060.04211.94
5.4.00.0110.03411.42
5.3.290.0060.04212.80
5.3.280.0080.03912.71
5.3.270.0080.05612.73
5.3.260.0090.04312.72
5.3.250.0120.04412.72
5.3.240.0130.04912.72
5.3.230.0110.04812.71
5.3.220.0100.04212.68
5.3.210.0090.04312.68
5.3.200.0080.03912.68
5.3.190.0090.03612.68
5.3.180.0100.04112.67
5.3.170.0060.03812.67
5.3.160.0070.03612.68
5.3.150.0080.03612.67
5.3.140.0060.04112.66
5.3.130.0080.04412.66
5.3.120.0070.05212.66
5.3.110.0030.04212.65
5.3.100.0070.05212.12
5.3.90.0100.05712.08
5.3.80.0060.03812.07
5.3.70.0080.03612.07
5.3.60.0090.03812.06
5.3.50.0070.04212.00
5.3.40.0060.03912.00
5.3.30.0050.03811.95
5.3.20.0030.04411.72
5.3.10.0060.03811.69
5.3.00.0070.03711.68
5.2.170.0050.0309.18
5.2.160.0070.0299.18
5.2.150.0050.0329.17
5.2.140.0050.0329.18
5.2.130.0050.0309.13
5.2.120.0030.0319.14
5.2.110.0080.0319.14
5.2.100.0090.0279.14
5.2.90.0070.0279.14
5.2.80.0080.0319.13
5.2.70.0070.0389.14
5.2.60.0090.0339.09
5.2.50.0040.0319.05
5.2.40.0090.0389.04
5.2.30.0030.0339.01
5.2.20.0040.0309.00
5.2.10.0070.0288.92
5.2.00.0050.0308.78
5.1.60.0050.0278.06
5.1.50.0050.0248.06
5.1.40.0050.0238.04
5.1.30.0050.0278.39
5.1.20.0060.0318.41
5.1.10.0040.0318.14
5.1.00.0040.0288.14
5.0.50.0050.0286.61
5.0.40.0040.0206.47
5.0.30.0030.0326.29
5.0.20.0030.0216.26
5.0.10.0060.0176.24
5.0.00.0020.0346.23
4.4.90.0030.0244.78
4.4.80.0040.0154.75
4.4.70.0020.0184.75
4.4.60.0020.0184.75
4.4.50.0020.0174.77
4.4.40.0030.0264.71
4.4.30.0030.0154.75
4.4.20.0030.0154.85
4.4.10.0010.0184.85
4.4.00.0030.0254.76
4.3.110.0030.0174.67
4.3.100.0030.0154.66
4.3.90.0050.0144.64
4.3.80.0040.0234.58
4.3.70.0040.0144.63
4.3.60.0020.0154.63
4.3.50.0020.0164.63
4.3.40.0020.0254.54
4.3.30.0030.0163.29
4.3.20.0020.0173.26
4.3.10.0020.0163.22
4.3.00.0130.02310.31

preferences:
48.74 ms | 401 KiB | 5 Q