3v4l.org

run code in 300+ PHP versions simultaneously
<?php $data=array('data'=>array('something')); echo "Good\n"; var_dump(isset($data['data'][0])); var_dump($data['data'][0]); echo "\nBad\n"; var_dump(isset($data['data'][0]['data'])); var_dump(@$data['data'][0]['data']); echo "\nUgly\n"; var_dump(isset($data['data'][0]['data'][0])); var_dump(@$data['data'][0]['data'][0]); echo "\nTrick or treat\n"; var_dump(isset($data['data'][0]['data'][0]['data'][0]['data'][0]['data'][0]['data'][0]['data'][0]['data'][0])); var_dump(@$data['data'][0]['data'][0]['data'][0]['data'][0]['data'][0]['data'][0]['data'][0]['data'][0]); var_dump(isset($data['data'][0]['data'][0]['data'][0]['data'][0]['data'][0]['data'][0]['data'][0]['data'][0]['data'])); var_dump(@$data['data'][0]['data'][0]['data'][0]['data'][0]['data'][0]['data'][0]['data'][0]['data'][0]['data']);

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
8.3.50.0130.00321.97
8.3.40.0150.00018.79
8.3.30.0040.01119.02
8.3.20.0050.00220.21
8.3.10.0080.00023.46
8.3.00.0060.00319.38
8.2.180.0150.00018.66
8.2.170.0160.00022.96
8.2.160.0070.00720.31
8.2.150.0030.00524.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0030.00622.29
8.2.110.0070.00320.48
8.2.100.0040.00817.91
8.2.90.0050.00319.17
8.2.80.0040.00417.97
8.2.70.0060.00317.75
8.2.60.0080.00018.04
8.2.50.0030.00618.07
8.2.40.0080.00018.22
8.2.30.0040.00418.20
8.2.20.0040.00417.76
8.2.10.0040.00418.13
8.2.00.0040.00417.88
8.1.280.0070.01025.92
8.1.270.0000.00822.36
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0060.00322.23
8.1.230.0060.00617.52
8.1.220.0050.00317.93
8.1.210.0120.00018.77
8.1.200.0060.00317.25
8.1.190.0000.00817.66
8.1.180.0050.00318.10
8.1.170.0080.00418.77
8.1.160.0070.00021.98
8.1.150.0080.00018.66
8.1.140.0000.00717.48
8.1.130.0030.00317.80
8.1.120.0040.00417.41
8.1.110.0040.00417.54
8.1.100.0000.00817.49
8.1.90.0040.00417.54
8.1.80.0070.00017.51
8.1.70.0000.00717.45
8.1.60.0040.00417.52
8.1.50.0040.00417.50
8.1.40.0040.00417.47
8.1.30.0060.00317.71
8.1.20.0000.00817.71
8.1.10.0030.00517.61
8.1.00.0040.00417.43
8.0.300.0060.00318.77
8.0.290.0040.00416.88
8.0.280.0040.00418.53
8.0.270.0000.00717.24
8.0.260.0070.00017.06
8.0.250.0000.00617.03
8.0.240.0040.00416.98
8.0.230.0030.00317.08
8.0.220.0040.00416.94
8.0.210.0040.00417.02
8.0.200.0030.00316.95
8.0.190.0090.00016.98
8.0.180.0040.00316.93
8.0.170.0080.00017.08
8.0.160.0040.00416.97
8.0.150.0040.00316.99
8.0.140.0000.01016.99
8.0.130.0030.00313.45
8.0.120.0080.00016.88
8.0.110.0040.00416.87
8.0.100.0040.00416.86
8.0.90.0000.00716.81
8.0.80.0090.01317.02
8.0.70.0040.00416.84
8.0.60.0030.00516.97
8.0.50.0050.00317.03
8.0.30.0120.00817.22
8.0.20.0070.01117.40
8.0.10.0000.00717.18
8.0.00.0090.01016.78
7.4.330.0050.00015.14
7.4.320.0070.00016.67
7.4.300.0050.00216.59
7.4.290.0030.00316.57
7.4.280.0050.00216.58
7.4.270.0060.00016.57
7.4.260.0000.00716.58
7.4.250.0040.00416.56
7.4.240.0040.00316.63
7.4.230.0000.00816.77
7.4.220.0090.01616.59
7.4.210.0070.00716.66
7.4.200.0000.00716.61
7.4.190.0000.00816.57
7.4.160.0030.01316.68
7.4.150.0060.01117.40
7.4.140.0100.00817.86
7.4.130.0070.01016.68
7.4.120.0060.01116.63
7.4.110.0070.01016.66
7.4.100.0070.01116.52
7.4.90.0100.00716.55
7.4.80.0150.01119.39
7.4.70.0090.00916.66
7.4.60.0150.01116.37
7.4.50.0040.00416.59
7.4.40.0040.01122.77
7.4.30.0000.01616.61
7.4.00.0030.01315.29
7.3.330.0000.00513.09
7.3.320.0040.00413.11
7.3.310.0040.00416.18
7.3.300.0030.00316.29
7.3.290.0070.01316.55
7.3.280.0090.01016.43
7.3.270.0110.01117.40
7.3.260.0070.01716.39
7.3.250.0050.01216.47
7.3.240.0060.01216.44
7.3.230.0090.00916.39
7.3.210.0110.00816.53
7.3.200.0090.00919.39
7.3.190.0100.01416.65
7.3.180.0060.00916.61
7.3.170.0030.01416.46
7.3.160.0090.00716.41
7.3.120.0040.01114.87
7.3.10.0150.00716.51
7.3.00.0150.00516.23
7.2.330.0140.00516.57
7.2.320.0110.00716.73
7.2.310.0130.01016.65
7.2.300.0080.00816.69
7.2.290.0100.00916.68
7.2.130.0130.01016.30
7.2.120.0140.00416.56
7.2.110.0190.00016.51
7.2.100.0170.00916.68
7.2.90.0170.00716.64
7.2.80.0110.01016.45
7.2.70.0150.00816.84
7.2.60.0100.00716.64
7.2.50.0100.00616.70
7.2.40.0070.01116.65
7.2.30.0120.00616.32
7.2.20.0130.00316.16
7.2.10.0130.00716.19
7.2.00.0060.00917.97
7.1.250.0040.01215.49
7.1.200.0080.00315.75
7.1.100.0080.01217.90
7.1.70.0000.00717.16
7.1.60.0000.01519.33
7.1.50.0060.00916.89
7.1.00.0030.07722.30
7.0.200.0060.00616.73
7.0.140.0030.07022.07
7.0.100.0370.05319.98
7.0.90.0530.07319.95
7.0.80.0530.08720.09
7.0.70.0230.07719.92
7.0.60.0570.07320.03
7.0.50.0500.07720.32
7.0.40.0130.07019.96
7.0.30.0130.08020.09
7.0.20.0030.04720.09
7.0.10.0070.08020.18
7.0.00.0100.08020.17
5.6.280.0030.07321.04
5.6.250.0100.08020.71
5.6.240.0070.05320.68
5.6.230.0130.07720.73
5.6.220.0100.07720.68
5.6.210.0030.07720.68
5.6.200.0100.07721.04
5.6.190.0100.06321.06
5.6.180.0000.09021.19
5.6.170.0030.06021.14
5.6.160.0030.08720.96
5.6.150.0030.06021.04
5.6.140.0070.08021.18
5.6.130.0070.08721.09
5.6.120.0030.08721.07
5.6.110.0130.05021.03
5.6.100.0030.08721.03
5.6.90.0130.08021.01
5.6.80.0030.08020.44
5.6.70.0100.04720.30
5.6.60.0070.07720.41
5.6.50.0130.06320.34
5.6.40.0130.07720.32
5.6.30.0070.07720.44
5.6.20.0170.06720.48
5.6.10.0170.06720.38
5.6.00.0130.07320.40
5.5.380.0100.08320.56
5.5.370.0130.07320.56
5.5.360.0070.07320.52
5.5.350.0030.07020.43
5.5.340.0100.08020.84
5.5.330.0170.07320.95
5.5.320.0100.08020.88
5.5.310.0070.07020.84
5.5.300.0070.07020.81
5.5.290.0130.07720.89
5.5.280.0100.08320.89
5.5.270.0100.04720.93
5.5.260.0030.09020.84
5.5.250.0100.04720.66
5.5.240.0100.07320.15
5.5.230.0100.05720.26
5.5.220.0030.08720.27
5.5.210.0070.08320.27
5.5.200.0170.07320.23
5.5.190.0030.08020.23
5.5.180.0130.07720.30
5.5.160.0070.05320.16
5.5.150.0070.08020.18
5.5.140.0130.07020.14
5.5.130.0000.08020.23
5.5.120.0130.07720.24
5.5.110.0130.07020.23
5.5.100.0100.07320.22
5.5.90.0170.07020.11
5.5.80.0070.07020.11
5.5.70.0100.08020.15
5.5.60.0100.07720.13
5.5.50.0070.08320.16
5.5.40.0100.07720.07
5.5.30.0100.07320.14
5.5.20.0130.04020.00
5.5.10.0100.07320.14
5.5.00.0030.07720.16
5.4.450.0200.06719.12
5.4.440.0200.06719.36
5.4.430.0030.07719.23
5.4.420.0170.07319.36
5.4.410.0100.07319.16
5.4.400.0070.04319.05
5.4.390.0130.07019.08
5.4.380.0070.07319.04
5.4.370.0100.06719.23
5.4.360.0100.04318.95
5.4.350.0100.07319.12
5.4.340.0070.07319.23
5.4.320.0070.03718.96
5.4.310.0030.05319.10
5.4.300.0030.07719.03
5.4.290.0000.08019.15
5.4.280.0130.07019.04
5.4.270.0170.06719.04
5.4.260.0130.07019.10
5.4.250.0130.07319.03
5.4.240.0030.05019.05
5.4.230.0230.06018.98
5.4.220.0030.07019.14
5.4.210.0130.07018.89
5.4.200.0030.07719.02
5.4.190.0030.05319.22
5.4.180.0170.05719.07
5.4.170.0170.07018.82
5.4.160.0100.06719.04
5.4.150.0130.06719.12
5.4.140.0170.05016.13
5.4.130.0030.07716.25
5.4.120.0030.06716.29
5.4.110.0000.08016.21
5.4.100.0130.06316.28
5.4.90.0130.03316.32
5.4.80.0100.07016.41
5.4.70.0070.06716.25
5.4.60.0170.05716.24
5.4.50.0070.07316.28
5.4.40.0030.06316.44
5.4.30.0100.06316.28
5.4.20.0070.07316.23
5.4.10.0100.07016.37
5.4.00.0070.07015.73
5.3.290.0100.07314.68
5.3.280.0070.07314.62
5.3.270.0100.04714.47
5.3.260.0030.07314.61
5.3.250.0130.06714.62
5.3.240.0000.08014.59
5.3.230.0070.07314.63
5.3.220.0000.08314.43
5.3.210.0030.07714.55
5.3.200.0070.04714.58
5.3.190.0070.06314.59
5.3.180.0070.06314.59
5.3.170.0030.08014.54
5.3.160.0030.07014.47
5.3.150.0030.06714.41
5.3.140.0100.07314.39
5.3.130.0130.07014.39
5.3.120.0030.07714.48
5.3.110.0070.07714.54
5.3.100.0030.05714.02
5.3.90.0130.06713.98
5.3.80.0100.06314.03
5.3.70.0070.07313.90
5.3.60.0070.05313.98
5.3.50.0130.05013.96
5.3.40.0070.08013.97
5.3.30.0100.07313.88
5.3.20.0170.06713.68
5.3.10.0100.03713.58
5.3.00.0100.06013.44
5.2.170.0100.03011.21
5.2.160.0070.06010.98
5.2.150.0070.05711.01
5.2.140.0030.06311.01
5.2.130.0070.05710.97
5.2.120.0030.05710.99
5.2.110.0030.05311.07
5.2.100.0070.05711.12
5.2.90.0100.06011.19
5.2.80.0030.04011.07
5.2.70.0000.06311.12
5.2.60.0070.05711.11
5.2.50.0100.06010.99
5.2.40.0030.06311.07
5.2.30.0070.06010.93
5.2.20.0200.05011.03
5.2.10.0000.06310.91
5.2.00.0030.06310.59
5.1.60.0030.05310.52
5.1.50.0030.05010.52
5.1.40.0000.05710.52
5.1.30.0070.05310.52
5.1.20.0000.06010.52
5.1.10.0070.05010.52
5.1.00.0070.05710.52
5.0.50.0000.04710.52
5.0.40.0070.04010.52
5.0.30.0030.03710.52
5.0.20.0000.04710.52
5.0.10.0000.04010.52
5.0.00.0030.05310.52
4.4.90.0030.03710.52
4.4.80.0000.02010.52
4.4.70.0100.02710.52
4.4.60.0030.03310.52
4.4.50.0000.03710.52
4.4.40.0000.05010.52
4.4.30.0100.03010.52
4.4.20.0030.03310.52
4.4.10.0070.03010.52
4.4.00.0000.05710.52
4.3.110.0030.03010.52
4.3.100.0070.03010.52
4.3.90.0030.03310.52
4.3.80.0030.05010.52
4.3.70.0030.01710.52
4.3.60.0000.03310.52
4.3.50.0000.03710.52
4.3.40.0000.05310.52
4.3.30.0000.02010.52
4.3.20.0000.03710.52
4.3.10.0000.04010.52
4.3.00.0030.03310.52

preferences:
40.19 ms | 401 KiB | 5 Q