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]);

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)
8.3.40.0000.01418.88
8.3.30.0080.00818.77
8.3.20.0060.00318.56
8.3.10.0090.00021.27
8.3.00.0030.00523.48
8.2.170.0170.00322.96
8.2.160.0080.00820.52
8.2.150.0040.00424.18
8.2.140.0030.00624.66
8.2.130.0080.00026.16
8.2.120.0030.00520.90
8.2.110.0000.00919.37
8.2.100.0080.00418.03
8.2.90.0050.00319.34
8.2.80.0030.00517.97
8.2.70.0080.00317.75
8.2.60.0040.00418.05
8.2.50.0050.00318.07
8.2.40.0000.00718.09
8.2.30.0040.00419.89
8.2.20.0000.00817.68
8.2.10.0040.00417.89
8.2.00.0000.00817.74
8.1.270.0040.00423.99
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0140.00722.74
8.1.230.0120.00022.08
8.1.220.0000.00718.77
8.1.210.0050.00318.95
8.1.200.0080.00317.48
8.1.190.0000.00917.54
8.1.180.0050.00318.10
8.1.170.0080.00018.66
8.1.160.0000.00818.86
8.1.150.0070.00018.67
8.1.140.0030.00517.47
8.1.130.0030.00317.85
8.1.120.0000.00817.36
8.1.110.0000.00717.45
8.1.100.0040.00417.50
8.1.90.0040.00417.36
8.1.80.0080.00017.36
8.1.70.0030.00317.44
8.1.60.0040.00417.50
8.1.50.0000.00817.39
8.1.40.0040.00417.56
8.1.30.0000.00717.60
8.1.20.0030.00617.65
8.1.10.0050.00517.63
8.1.00.0040.00417.46
8.0.300.0060.00319.96
8.0.290.0040.00417.18
8.0.280.0030.00518.36
8.0.270.0000.00717.27
8.0.260.0060.00016.78
8.0.250.0040.00416.93
8.0.240.0040.00416.90
8.0.230.0000.00716.89
8.0.220.0000.00716.89
8.0.210.0030.00316.87
8.0.200.0030.00317.02
8.0.190.0040.00416.95
8.0.180.0030.00516.96
8.0.170.0050.00217.04
8.0.160.0030.00516.88
8.0.150.0000.00816.91
8.0.140.0070.00016.84
8.0.130.0060.00013.44
8.0.120.0000.00716.84
8.0.110.0000.00717.08
8.0.100.0000.00816.89
8.0.90.0000.00717.00
8.0.80.0090.00617.00
8.0.70.0000.00716.76
8.0.60.0050.00316.80
8.0.50.0060.00316.98
8.0.30.0090.00917.04
8.0.20.0100.00917.40
8.0.10.0070.00016.97
8.0.00.0120.01016.79
7.4.330.0000.00713.43
7.4.320.0030.00316.65
7.4.300.0000.00616.60
7.4.290.0000.00716.53
7.4.280.0070.00316.61
7.4.270.0040.00416.63
7.4.260.0030.00313.32
7.4.250.0080.00016.61
7.4.240.0040.00416.55
7.4.230.0030.00516.53
7.4.220.0060.01316.42
7.4.210.0050.00916.56
7.4.200.0030.00316.52
7.4.190.0040.00416.50
7.4.160.0130.00316.53
7.4.150.0140.00317.40
7.4.140.0080.01017.86
7.4.130.0120.00516.54
7.4.120.0080.00916.60
7.4.110.0200.00316.43
7.4.100.0140.00416.44
7.4.90.0030.01416.56
7.4.80.0070.01419.37
7.4.70.0150.00616.64
7.4.60.0000.01716.57
7.4.50.0040.00516.38
7.4.40.0060.01122.27
7.4.30.0100.00716.66
7.4.00.0100.00715.11
7.3.330.0060.00013.05
7.3.320.0000.00513.24
7.3.310.0000.00816.49
7.3.300.0030.00316.20
7.3.290.0110.00416.39
7.3.280.0050.01216.42
7.3.270.0130.00617.40
7.3.260.0090.00818.24
7.3.250.0110.01416.32
7.3.240.0100.00716.57
7.3.230.0080.00816.40
7.3.210.0110.00616.35
7.3.200.0090.01219.39
7.3.190.0060.00916.63
7.3.180.0030.01416.38
7.3.170.0130.00316.43
7.3.160.0160.00016.39
7.3.120.0040.01214.60
7.3.10.0130.00316.39
7.3.00.0190.00816.60
7.2.330.0120.01216.85
7.2.320.0100.00716.77
7.2.310.0110.01116.69
7.2.300.0160.00716.71
7.2.290.0090.01516.30
7.2.130.0130.01016.43
7.2.120.0110.01116.77
7.2.110.0070.00716.42
7.2.100.0110.01116.75
7.2.90.0040.01116.40
7.2.80.0070.00816.70
7.2.70.0130.00716.83
7.2.60.0100.00716.65
7.2.50.0110.00316.60
7.2.40.0120.00616.78
7.2.30.0100.01016.71
7.2.20.0070.01116.77
7.2.10.0030.01016.88
7.2.00.0020.00918.20
7.1.250.0040.01515.77
7.1.200.0060.00615.85
7.1.100.0000.01418.05
7.1.70.0040.00417.20
7.1.60.0100.01419.40
7.1.50.0070.01617.02
7.1.00.0030.04722.34
7.0.200.0050.00216.57
7.0.140.0000.07721.95
7.0.60.0100.06719.89
7.0.50.0070.07017.89
7.0.40.0070.04320.05
7.0.30.0600.06020.09
7.0.20.0300.07720.09
7.0.10.0170.06020.11
7.0.00.0000.06020.17
5.6.280.0000.07720.99
5.6.210.0030.05020.55
5.6.200.0000.08318.19
5.6.190.0130.06720.35
5.6.180.0400.06720.48
5.6.170.0270.07020.54
5.6.160.0000.08720.49
5.6.150.0130.03318.21
5.6.140.0000.04318.07
5.6.130.0030.04318.17
5.6.120.0000.05321.10
5.6.110.0100.08321.13
5.6.100.0100.08321.02
5.6.90.0100.07021.11
5.6.80.0070.08020.41
5.6.70.0130.03720.39
5.5.350.0330.07320.41
5.5.340.0030.04017.88
5.5.330.0030.08320.40
5.5.320.0270.07320.13
5.5.310.0300.07020.27
5.5.300.0070.04317.91
5.5.290.0030.06317.88
5.5.280.0170.04020.82
5.5.270.0070.04320.80
5.5.260.0100.07320.77
5.5.250.0100.03720.77
5.5.240.0070.04720.29
5.4.450.0330.07019.57
5.4.440.0270.05019.43
5.4.430.0200.04019.44
5.4.420.0170.08319.45
5.4.410.0270.06019.08
5.4.400.0230.07319.09
5.4.390.0270.05018.88
5.4.380.0170.05719.21
5.4.370.0270.05319.16
5.4.360.0230.04019.28
5.4.350.0270.05718.78
5.4.340.0170.04719.24
5.4.320.0170.06318.90
5.4.310.0130.04319.10
5.4.300.0230.05019.07
5.4.290.0230.04319.09
5.4.280.0270.07018.88
5.4.270.0270.04318.94
5.4.260.0300.07019.16
5.4.250.0230.07719.20
5.4.240.0270.04719.08
5.4.230.0230.06019.09
5.4.220.0330.06019.05
5.4.210.0130.04319.05
5.4.200.0230.07718.79
5.4.190.0300.06018.91
5.4.180.0200.04019.12
5.4.170.0230.06319.23
5.4.160.0300.07318.78
5.4.150.0230.03719.07
5.4.140.0170.04016.14
5.4.130.0270.04316.28
5.4.120.0270.06316.33
5.4.110.0230.03716.34
5.4.100.0200.06016.39
5.4.90.0200.04716.43
5.4.80.0230.03316.43
5.4.70.0230.06016.17
5.4.60.0270.03016.44
5.4.50.0200.07316.04
5.4.40.0300.06316.36
5.4.30.0230.04716.36
5.4.20.0300.06316.48
5.4.10.0270.03016.45
5.4.00.0270.04015.68
5.3.290.0230.07714.54
5.3.280.0300.05714.70
5.3.270.0270.05014.49
5.3.260.0230.06714.45
5.3.250.0130.04314.56
5.3.240.0170.06314.56
5.3.230.0170.08314.46
5.3.220.0200.05714.41
5.3.210.0200.04314.44
5.3.200.0230.04314.52
5.3.190.0270.07314.67
5.3.180.0230.07314.48
5.3.170.0370.04714.67
5.3.160.0270.04714.53
5.3.150.0200.04014.67
5.3.140.0230.03714.41
5.3.130.0230.07014.39
5.3.120.0300.04314.50
5.3.110.0130.05314.51
5.3.100.0170.04014.02
5.3.90.0130.04013.89
5.3.80.0130.04314.04
5.3.70.0200.07713.94
5.3.60.0270.04013.88
5.3.50.0270.07313.79
5.3.40.0230.07014.05
5.3.30.0330.06013.70
5.3.20.0230.05713.48
5.3.10.0230.07013.47
5.3.00.0300.04013.56
5.2.170.0300.05712.64
5.2.160.0130.04712.64
5.2.150.0200.04012.64
5.2.140.0230.03012.64
5.2.130.0230.03312.64
5.2.120.0270.05312.64
5.2.110.0170.03312.64
5.2.100.0170.04712.64
5.2.90.0200.04712.64
5.2.80.0130.03012.64
5.2.70.0170.05712.64
5.2.60.0200.06312.64
5.2.50.0200.06012.64
5.2.40.0200.05312.64
5.2.30.0170.03712.64
5.2.20.0170.03312.64
5.2.10.0200.04312.64
5.2.00.0130.04012.64
5.1.60.0100.03012.64
5.1.50.0200.04712.64
5.1.40.0270.04012.64
5.1.30.0130.03312.64
5.1.20.0200.05012.64
5.1.10.0170.03712.64
5.1.00.0170.02312.64
5.0.50.0170.02012.64
5.0.40.0030.03712.64
5.0.30.0130.03312.64
5.0.20.0030.03712.64
5.0.10.0100.03312.64
5.0.00.0070.04712.64
4.4.90.0100.03312.64
4.4.80.0000.03712.64
4.4.70.0100.03312.64
4.4.60.0070.03012.64
4.4.50.0100.03012.64
4.4.40.0130.03312.64
4.4.30.0070.03712.64
4.4.20.0070.03712.64
4.4.10.0100.02012.64
4.4.00.0100.05012.64
4.3.110.0130.03012.64
4.3.100.0100.02012.64
4.3.90.0030.02712.64
4.3.80.0100.04012.64
4.3.70.0100.03012.64
4.3.60.0030.03312.64
4.3.50.0070.03312.64
4.3.40.0070.04012.64
4.3.30.0000.03312.64
4.3.20.0070.01712.64
4.3.10.0070.03012.64
4.3.00.0070.02012.64

preferences:
40.93 ms | 400 KiB | 5 Q