3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array('bla' => NULL); if (isset($array['bla'])) echo 'bla';

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)
8.3.60.0140.00418.07
8.3.50.0190.00721.78
8.3.40.0130.00318.79
8.3.30.0070.00718.83
8.3.20.0000.00720.25
8.3.10.0040.00423.48
8.3.00.0040.00419.26
8.2.180.0070.01116.38
8.2.170.0120.00622.96
8.2.160.0070.00720.47
8.2.150.0000.00724.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0040.00422.09
8.2.110.0060.00322.22
8.2.100.0090.00317.50
8.2.90.0000.00719.25
8.2.80.0080.00017.97
8.2.70.0030.00617.75
8.2.60.0000.00718.03
8.2.50.0000.00818.07
8.2.40.0040.00418.22
8.2.30.0040.00417.93
8.2.20.0050.00317.67
8.2.10.0070.00017.89
8.2.00.0080.00017.57
8.1.280.0070.00725.92
8.1.270.0040.00421.82
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0060.00323.96
8.1.230.0040.00719.16
8.1.220.0030.00617.74
8.1.210.0000.00718.77
8.1.200.0030.00617.10
8.1.190.0040.00417.00
8.1.180.0040.00418.10
8.1.170.0090.00018.37
8.1.160.0040.00421.86
8.1.150.0040.00418.79
8.1.140.0000.00717.38
8.1.130.0030.00317.70
8.1.120.0030.00317.29
8.1.110.0030.00517.37
8.1.100.0030.00317.42
8.1.90.0040.00417.37
8.1.80.0040.00417.31
8.1.70.0070.00017.36
8.1.60.0100.00017.54
8.1.50.0030.00517.45
8.1.40.0030.00517.49
8.1.30.0050.00317.60
8.1.20.0040.00417.41
8.1.10.0070.00017.47
8.1.00.0030.00617.45
8.0.300.0000.00818.77
8.0.290.0040.00416.75
8.0.280.0030.00318.24
8.0.270.0040.00417.19
8.0.260.0000.00718.30
8.0.250.0030.00316.82
8.0.240.0030.00316.84
8.0.230.0000.00716.76
8.0.220.0060.00016.79
8.0.210.0000.00616.84
8.0.200.0060.00016.89
8.0.190.0040.00416.77
8.0.180.0030.00516.85
8.0.170.0050.00216.84
8.0.160.0040.00416.71
8.0.150.0030.00316.75
8.0.140.0070.00016.75
8.0.130.0030.00313.24
8.0.120.0000.00816.70
8.0.110.0000.00716.79
8.0.100.0000.00716.88
8.0.90.0030.00316.88
8.0.80.0070.01016.80
8.0.70.0030.00516.81
8.0.60.0030.00516.73
8.0.50.0000.00716.71
8.0.30.0080.01217.18
8.0.20.0080.01417.40
8.0.10.0040.00416.93
8.0.00.0110.00916.68
7.4.330.0000.00815.02
7.4.320.0000.00616.42
7.4.300.0040.00416.37
7.4.290.0040.00416.51
7.4.280.0040.00416.52
7.4.270.0070.00016.53
7.4.260.0030.00616.49
7.4.250.0000.00716.40
7.4.240.0000.00716.50
7.4.230.0030.00316.48
7.4.220.0110.01116.57
7.4.210.0030.01316.45
7.4.200.0040.00416.57
7.4.160.0150.00416.70
7.4.150.0070.01117.40
7.4.140.0100.00817.86
7.4.130.0100.00716.42
7.4.120.0100.00916.38
7.4.110.0150.00316.43
7.4.100.0100.01316.25
7.4.90.0110.00616.63
7.4.80.0080.01219.39
7.4.70.0110.01116.53
7.4.60.0070.00716.53
7.4.50.0060.00316.25
7.4.40.0080.00916.48
7.4.30.0100.00716.52
7.4.00.0000.01714.93
7.3.330.0000.00612.95
7.3.320.0000.00512.89
7.3.310.0070.00016.13
7.3.300.0030.00316.21
7.3.290.0070.00816.20
7.3.280.0070.00916.19
7.3.270.0170.00417.40
7.3.260.0140.00416.29
7.3.250.0120.00616.37
7.3.240.0100.01016.17
7.3.230.0030.01316.39
7.3.210.0030.01416.13
7.3.200.0090.00919.39
7.3.190.0070.01016.32
7.3.180.0070.01016.25
7.3.170.0090.00816.27
7.3.160.0100.00616.19
7.2.330.0090.00916.19
7.2.320.0090.00916.50
7.2.310.0050.01116.37
7.2.300.0060.01116.46
7.2.290.0070.01016.58
7.2.60.0040.01216.66
7.2.00.0040.00819.20
7.1.200.0070.00315.66
7.1.100.0030.00617.92
7.1.70.0030.01017.14
7.1.60.0120.01219.32
7.1.50.0100.01416.86
7.1.00.0030.07322.27
7.0.200.0000.01016.76
7.0.140.0030.07322.18
7.0.70.0130.07321.69
7.0.60.0070.08321.73
7.0.50.0070.07722.06
7.0.40.0130.03320.17
7.0.30.0000.08320.05
7.0.20.0100.07019.95
7.0.10.0100.08019.95
7.0.00.0030.04320.05
5.6.280.0000.07321.12
5.6.220.0000.06020.70
5.6.210.0100.06720.62
5.6.200.0000.09321.06
5.6.190.0100.08321.05
5.6.180.0070.08021.02
5.6.170.0070.07721.09
5.6.160.0030.04721.04
5.6.150.0030.04321.02
5.6.140.0000.04721.01
5.6.130.0000.07321.03
5.6.120.0070.08721.07
5.6.110.0030.06021.01
5.6.100.0000.09021.11
5.6.90.0130.06321.04
5.6.80.0000.08020.51
5.6.70.0100.07720.47
5.6.60.0000.06020.45
5.6.50.0070.07720.46
5.6.40.0070.05020.28
5.6.30.0070.08020.52
5.6.20.0130.05320.38
5.6.10.0070.04720.29
5.6.00.0070.07320.43
5.5.360.0000.08720.33
5.5.350.0070.05720.33
5.5.340.0030.08320.70
5.5.330.0070.07020.79
5.5.320.0030.06020.77
5.5.310.0030.06020.91
5.5.300.0030.05720.88
5.5.290.0070.06720.62
5.5.280.0130.07720.79
5.5.270.0070.07320.88
5.5.260.0030.06020.81
5.5.250.0070.06720.73
5.5.240.0070.07320.01
5.5.230.0030.08020.25
5.5.220.0170.07320.14
5.5.210.0070.05720.01
5.5.200.0130.06720.14
5.5.190.0070.07320.12
5.5.180.0100.06720.21
5.5.160.0070.04720.16
5.5.150.0030.07320.24
5.5.140.0030.08020.26
5.5.130.0030.07319.98
5.5.120.0000.06320.17
5.5.110.0030.08020.21
5.5.100.0070.08020.11
5.5.90.0130.06320.06
5.5.80.0030.06320.06
5.5.70.0070.07720.02
5.5.60.0030.07720.14
5.5.50.0000.05020.05
5.5.40.0030.07720.13
5.5.30.0070.07320.13
5.5.20.0000.06720.04
5.5.10.0070.06720.06
5.5.00.0030.08319.94
5.4.450.0070.06719.27
5.4.440.0030.05319.39
5.4.430.0000.06019.45
5.4.420.0070.07719.55
5.4.410.0030.05019.09
5.4.400.0100.06019.23
5.4.390.0100.04019.03
5.4.380.0000.08318.90
5.4.370.0030.06019.01
5.4.360.0130.07319.05
5.4.350.0030.07719.10
5.4.340.0070.07319.12
5.4.320.0170.06318.81
5.4.310.0000.06019.12
5.4.300.0000.07019.02
5.4.290.0070.07319.14
5.4.280.0030.05719.04
5.4.270.0070.07718.80
5.4.260.0000.08319.00
5.4.250.0070.07719.07
5.4.240.0030.07718.78
5.4.230.0030.06319.09
5.4.220.0030.07318.78
5.4.210.0100.07319.05
5.4.200.0030.06718.94
5.4.190.0030.07719.05
5.4.180.0070.05719.03
5.4.170.0000.06018.97
5.4.160.0000.07019.21
5.4.150.0000.08318.96
5.4.140.0000.06016.39
5.4.130.0070.06316.38
5.4.120.0000.08016.05
5.4.110.0030.07316.21
5.4.100.0070.07016.42
5.4.90.0030.04716.26
5.4.80.0070.06316.20
5.4.70.0100.06716.29
5.4.60.0070.07016.38
5.4.50.0000.05716.35
5.4.40.0070.07016.45
5.4.30.0030.07716.42
5.4.20.0000.07316.24
5.4.10.0030.05316.27
5.4.00.0000.07315.74
5.3.290.0070.08014.61
5.3.280.0070.05314.57
5.3.270.0030.08314.59
5.3.260.0100.07314.61
5.3.250.0070.07714.51
5.3.240.0000.06314.56
5.3.230.0000.06314.59
5.3.220.0030.07014.47
5.3.210.0030.07714.56
5.3.200.0030.05014.52
5.3.190.0000.04314.47
5.3.180.0000.04314.52
5.3.170.0070.07714.50
5.3.160.0030.06014.41
5.3.150.0000.06014.49
5.3.140.0070.07314.46
5.3.130.0030.06014.54
5.3.120.0030.07714.54
5.3.110.0100.06314.39
5.3.100.0000.08014.04
5.3.90.0000.08013.99
5.3.80.0000.07714.00
5.3.70.0070.07013.87
5.3.60.0100.04713.96
5.3.50.0070.04313.80
5.3.40.0030.07713.89
5.3.30.0030.07313.76
5.3.20.0030.04013.54
5.3.10.0000.07013.51
5.3.00.0130.06313.50
5.2.170.0000.06712.20
5.2.160.0100.05712.20
5.2.150.0030.06012.20
5.2.140.0000.04312.20
5.2.130.0030.04712.20
5.2.120.0030.06012.20
5.2.110.0000.06712.20
5.2.100.0030.05012.20
5.2.90.0000.04712.20
5.2.80.0030.06012.20
5.2.70.0000.05712.20
5.2.60.0000.06312.20
5.2.50.0000.03712.20
5.2.40.0030.05712.20
5.2.30.0070.04012.20
5.2.20.0000.04312.20
5.2.10.0030.05012.20
5.2.00.0030.05712.20
5.1.60.0000.04012.20
5.1.50.0000.04312.20
5.1.40.0070.03312.20
5.1.30.0070.03312.20
5.1.20.0000.05712.20
5.1.10.0030.05312.20
5.1.00.0100.04312.20
5.0.50.0030.04712.20
5.0.40.0000.04712.20
5.0.30.0000.06312.20
5.0.20.0000.04712.20
5.0.10.0000.04712.20
5.0.00.0100.06012.20
4.4.90.0000.03012.20
4.4.80.0100.02012.20
4.4.70.0000.03012.20
4.4.60.0030.03312.20
4.4.50.0000.03712.20
4.4.40.0000.05712.20
4.4.30.0000.03312.20
4.4.20.0070.03012.20
4.4.10.0030.03312.20
4.4.00.0000.05012.20
4.3.110.0030.03312.20
4.3.100.0000.03712.20
4.3.90.0000.03312.20
4.3.80.0000.05712.20
4.3.70.0000.02312.20
4.3.60.0000.02312.20
4.3.50.0030.02012.20
4.3.40.0000.02712.20
4.3.30.0030.03012.20
4.3.20.0000.03012.20
4.3.10.0000.01712.20
4.3.00.0000.01712.20

preferences:
46.03 ms | 401 KiB | 5 Q