3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array('a' => 'A'); var_dump(isset($arr['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)
8.3.60.0070.00716.63
8.3.50.0170.00922.77
8.3.40.0110.00418.89
8.3.30.0140.00018.84
8.3.20.0040.00420.12
8.3.10.0040.00421.79
8.3.00.0030.00519.36
8.2.180.0140.00716.50
8.2.170.0060.01622.96
8.2.160.0140.00020.37
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0050.00221.00
8.2.110.0130.00320.48
8.2.100.0080.00317.72
8.2.90.0030.00518.13
8.2.80.0000.00917.97
8.2.70.0060.00317.63
8.2.60.0050.00218.03
8.2.50.0030.00518.07
8.2.40.0000.00918.00
8.2.30.0050.00218.05
8.2.20.0040.00417.58
8.2.10.0040.00418.05
8.2.00.0040.00417.59
8.1.280.0100.00325.92
8.1.270.0030.00624.02
8.1.260.0070.00026.35
8.1.250.0030.00628.09
8.1.240.0030.00622.09
8.1.230.0080.00320.91
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0000.01317.13
8.1.190.0000.00817.10
8.1.180.0040.00418.10
8.1.170.0000.00818.50
8.1.160.0000.00721.94
8.1.150.0070.00018.75
8.1.140.0000.00817.34
8.1.130.0000.00617.81
8.1.120.0050.00317.22
8.1.110.0040.00417.26
8.1.100.0030.00517.35
8.1.90.0040.00417.39
8.1.80.0050.00217.27
8.1.70.0000.00717.34
8.1.60.0030.00617.41
8.1.50.0000.00817.43
8.1.40.0040.00417.45
8.1.30.0050.00317.64
8.1.20.0000.00917.58
8.1.10.0040.00417.54
8.1.00.0080.00017.32
8.0.300.0000.00720.07
8.0.290.0000.00816.63
8.0.280.0040.00418.38
8.0.270.0050.00517.18
8.0.260.0030.00317.29
8.0.250.0070.00016.82
8.0.240.0000.00716.88
8.0.230.0000.00716.86
8.0.220.0040.00416.72
8.0.210.0050.00216.77
8.0.200.0060.00016.88
8.0.190.0000.00716.89
8.0.180.0050.00216.80
8.0.170.0040.00416.86
8.0.160.0000.00716.88
8.0.150.0030.00516.80
8.0.140.0000.01116.75
8.0.130.0070.00013.23
8.0.120.0070.00016.80
8.0.110.0000.00816.65
8.0.100.0030.00316.72
8.0.90.0000.00716.70
8.0.80.0040.01516.79
8.0.70.0080.00016.79
8.0.60.0040.00416.93
8.0.50.0000.00716.87
8.0.30.0060.01317.19
8.0.20.0090.01217.40
8.0.10.0030.00516.97
8.0.00.0110.00716.63
7.4.330.0020.00215.00
7.4.320.0030.00316.29
7.4.300.0060.00016.42
7.4.290.0020.00516.42
7.4.280.0040.00416.42
7.4.270.0030.00316.45
7.4.260.0070.00016.48
7.4.250.0070.00016.49
7.4.240.0020.00516.51
7.4.230.0000.00716.63
7.4.220.0000.01616.54
7.4.210.0100.00316.55
7.4.200.0000.00616.24
7.4.160.0100.00716.43
7.4.150.0090.00917.40
7.4.140.0120.00617.86
7.4.130.0110.00516.29
7.4.120.0080.00816.45
7.4.110.0100.00716.54
7.4.100.0110.00716.32
7.4.90.0110.00616.42
7.4.80.0120.00919.39
7.4.70.0000.01716.36
7.4.60.0000.01516.38
7.4.50.0000.00816.25
7.4.40.0140.00716.29
7.4.30.0060.01016.48
7.4.00.0110.00614.77
7.3.330.0060.00013.13
7.3.320.0000.00612.92
7.3.310.0050.00216.04
7.3.300.0000.00616.21
7.3.290.0060.00816.18
7.3.280.0100.00616.18
7.3.270.0180.00617.40
7.3.260.0130.01016.32
7.3.250.0050.01116.14
7.3.240.0060.01016.16
7.3.230.0030.01216.48
7.3.210.0100.00716.30
7.3.200.0130.00619.39
7.3.190.0040.01216.08
7.3.180.0030.01316.07
7.3.170.0090.00616.30
7.3.160.0060.00916.46
7.3.120.0030.01214.40
7.3.110.0110.00714.68
7.3.100.0090.00614.86
7.3.90.0090.00014.73
7.3.80.0100.00614.81
7.3.70.0040.01214.56
7.3.60.0000.01514.73
7.3.50.0070.01014.45
7.3.40.0030.01214.66
7.3.30.0060.00614.65
7.3.20.0110.00416.34
7.3.10.0030.01316.22
7.3.00.0100.00316.23
7.2.330.0070.01016.40
7.2.320.0070.01016.31
7.2.310.0090.00916.59
7.2.300.0060.00916.38
7.2.290.0090.00616.73
7.2.250.0110.00714.96
7.2.240.0070.01314.94
7.2.230.0090.00614.74
7.2.220.0060.00314.61
7.2.210.0070.00714.77
7.2.200.0110.00314.91
7.2.190.0060.00615.02
7.2.180.0060.00614.94
7.2.170.0000.00914.77
7.2.00.0030.00619.14
7.1.330.0030.01315.55
7.1.320.0100.00715.77
7.1.310.0070.00315.50
7.1.300.0100.00315.46
7.1.290.0100.00315.34
7.1.280.0100.00015.44
7.1.270.0000.01115.70
7.1.260.0000.01015.77
7.1.100.0030.01017.96
7.1.70.0060.00616.75
7.1.60.0110.01419.40
7.1.50.0070.01516.78
7.1.00.0030.07722.44
7.0.200.0030.00516.80
7.0.140.0030.07322.08
7.0.60.0000.07020.06
7.0.50.0030.08317.85
7.0.40.0030.09320.27
7.0.30.0330.04720.30
7.0.20.0330.06720.16
7.0.10.0100.08320.23
7.0.00.0070.08320.32
5.6.280.0070.07021.06
5.6.210.0070.05720.50
5.6.200.0070.08718.12
5.6.190.0130.08020.47
5.6.180.0200.03720.33
5.6.170.0330.05720.48
5.6.160.0130.07020.49
5.6.150.0100.05318.20
5.6.140.0100.03718.22
5.6.130.0030.05318.14
5.6.120.0070.03720.88
5.6.110.0030.08320.96
5.6.100.0100.06021.01
5.6.90.0000.05721.02
5.6.80.0070.03720.41
5.5.350.0230.07320.38
5.5.340.0170.07717.91
5.5.330.0230.05020.27
5.5.320.0370.07020.30
5.5.310.0270.04720.24
5.5.300.0030.06017.92
5.5.290.0070.04718.01
5.5.280.0070.09020.76
5.5.270.0100.08020.77
5.5.260.0170.07320.78
5.5.250.0070.05020.48
5.5.240.0170.03720.11
5.4.450.0370.03719.58
5.4.440.0230.04019.54
5.4.430.0070.03319.25
5.4.420.0330.03319.48
5.4.410.0070.03319.29
5.4.400.0230.04718.89
5.4.390.0130.05019.06
5.4.380.0300.05318.76
5.4.370.0300.06018.66
5.4.360.0330.05318.66
5.4.350.0230.06318.72
5.4.340.0300.05718.68
5.4.320.0100.04112.45
5.4.310.0080.03912.45
5.4.300.0060.03812.45
5.4.290.0060.04412.45
5.4.280.0060.03612.35
5.4.270.0070.04012.35
5.4.260.0100.03712.34
5.4.250.0090.03512.35
5.4.240.0030.03912.34
5.4.230.0040.04112.34
5.4.220.0040.03712.34
5.4.210.0030.03812.34
5.4.200.0060.04612.34
5.4.190.0070.05312.34
5.4.180.0100.04712.33
5.4.170.0090.04812.34
5.4.160.0070.04412.34
5.4.150.0080.04812.34
5.4.140.0090.04612.02
5.4.130.0030.03812.01
5.4.120.0090.03311.96
5.4.110.0090.03311.96
5.4.100.0050.03811.96
5.4.90.0060.03911.96
5.4.80.0050.03811.96
5.4.70.0060.03911.96
5.4.60.0050.03611.96
5.4.50.0050.03711.96
5.4.40.0040.03811.95
5.4.30.0050.03711.94
5.4.20.0060.03511.95
5.4.10.0090.04011.95
5.4.00.0080.04711.44
5.3.290.0100.03912.80
5.3.280.0050.04912.70
5.3.270.0040.04712.72
5.3.260.0090.03712.72
5.3.250.0110.04612.71
5.3.240.0120.04712.72
5.3.230.0080.05112.70
5.3.220.0100.05012.68
5.3.210.0090.04112.68
5.3.200.0070.04312.68
5.3.190.0060.03912.68
5.3.180.0050.03912.67
5.3.170.0030.04312.67
5.3.160.0050.04012.68
5.3.150.0050.04112.67
5.3.140.0050.04112.66
5.3.130.0060.04212.66
5.3.120.0050.04112.66
5.3.110.0050.04012.66
5.3.100.0040.03912.12
5.3.90.0060.03712.08
5.3.80.0100.03312.08
5.3.70.0060.03812.08
5.3.60.0050.03612.07
5.3.50.0060.03512.00
5.3.40.0070.04512.00
5.3.30.0080.03711.94
5.3.20.0070.03411.72
5.3.10.0070.03511.69
5.3.00.0020.04011.69
5.2.170.0050.0309.18
5.2.160.0030.0319.18
5.2.150.0050.0299.18
5.2.140.0050.0319.17
5.2.130.0070.0289.14
5.2.120.0050.0309.14
5.2.110.0090.0269.14
5.2.100.0030.0319.14
5.2.90.0020.0329.13
5.2.80.0020.0329.13
5.2.70.0050.0319.13
5.2.60.0040.0329.09
5.2.50.0060.0289.06
5.2.40.0040.0299.03
5.2.30.0060.0329.01
5.2.20.0030.0319.00
5.2.10.0020.0308.91
5.2.00.0050.0278.77
5.1.60.0030.0258.06
5.1.50.0070.0368.05
5.1.40.0060.0358.04
5.1.30.0080.0368.39
5.1.20.0040.0408.41
5.1.10.0060.0348.13
5.1.00.0100.0338.13
5.0.50.0050.0276.61
5.0.40.0030.0276.47
5.0.30.0050.0396.28
5.0.20.0040.0266.25
5.0.10.0010.0236.23
5.0.00.0020.0316.22
4.4.90.0060.0124.78
4.4.80.0020.0164.75
4.4.70.0050.0164.76
4.4.60.0030.0174.75
4.4.50.0030.0154.77
4.4.40.0030.0244.71
4.4.30.0020.0164.76
4.4.20.0020.0174.84
4.4.10.0040.0154.85
4.4.00.0020.0264.76
4.3.110.0040.0204.67
4.3.100.0030.0214.66
4.3.90.0010.0224.63
4.3.80.0000.0274.58
4.3.70.0060.0124.63
4.3.60.0030.0154.63
4.3.50.0020.0174.63
4.3.40.0050.0224.54
4.3.30.0020.0173.28
4.3.20.0010.0173.25
4.3.10.0010.0173.21
4.3.00.0100.01315.91

preferences:
37.74 ms | 401 KiB | 5 Q