3v4l.org

run code in 300+ PHP versions simultaneously
<?php $row = new stdClass(); $row->b = null; $item = array('a' => 'b'); $row->$item['a']; echo $row->b;

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)
8.3.70.0090.00616.75
8.3.60.0070.01118.31
8.3.50.0110.00822.05
8.3.40.0060.00918.67
8.3.30.0070.01018.73
8.3.20.0050.00220.20
8.3.10.0050.00320.56
8.3.00.0060.00323.58
8.2.180.0110.00418.29
8.2.170.0070.00722.96
8.2.160.0070.00722.23
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0080.00020.87
8.2.120.0080.00026.35
8.2.110.0060.00322.20
8.2.100.0080.00317.91
8.2.90.0080.00019.17
8.2.80.0040.00417.97
8.2.70.0090.00017.63
8.2.60.0070.00017.91
8.2.50.0040.00418.09
8.2.40.0000.00820.55
8.2.30.0040.00419.49
8.2.20.0000.00717.66
8.2.10.0080.00018.06
8.2.00.0040.00418.11
8.1.280.0140.00725.92
8.1.270.0080.00022.09
8.1.260.0080.00028.09
8.1.250.0080.00028.09
8.1.240.0000.00922.56
8.1.230.0040.00717.89
8.1.220.0000.00817.74
8.1.210.0060.00318.77
8.1.200.0030.00617.48
8.1.190.0030.00517.36
8.1.180.0000.00718.10
8.1.170.0050.00318.52
8.1.160.0000.00720.82
8.1.150.0000.00718.88
8.1.140.0000.00819.52
8.1.130.0070.00017.69
8.1.120.0050.00217.53
8.1.110.0000.00717.49
8.1.100.0040.00417.46
8.1.90.0060.00317.41
8.1.80.0000.00817.40
8.1.70.0000.00717.42
8.1.60.0070.00017.59
8.1.50.0000.00817.52
8.1.40.0000.00817.42
8.1.30.0060.00317.57
8.1.20.0000.00717.39
8.1.10.0040.00417.52
8.1.00.0000.00817.50
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0040.00418.43
8.0.270.0040.00417.24
8.0.260.0030.00517.29
8.0.250.0000.00717.02
8.0.240.0030.00316.90
8.0.230.0000.00716.90
8.0.220.0030.00316.93
8.0.210.0000.00716.94
8.0.200.0050.00217.02
8.0.190.0040.00416.88
8.0.180.0070.00016.94
8.0.170.0040.00416.94
8.0.160.0000.00716.96
8.0.150.0080.00016.98
8.0.140.0070.00016.88
8.0.130.0030.00313.38
8.0.120.0000.00816.95
8.0.110.0040.00416.98
8.0.100.0000.00717.01
8.0.90.0040.00416.99
8.0.80.0060.01316.96
8.0.70.0040.00416.96
8.0.60.0020.00516.79
8.0.50.0080.00016.97
8.0.30.0110.00617.17
8.0.20.0100.00917.40
8.0.10.0070.00017.14
8.0.00.0090.01216.74
7.4.330.0050.00016.83
7.4.320.0000.00616.42
7.4.300.0030.00316.37
7.4.290.0030.00616.57
7.4.280.0040.00416.48
7.4.270.0060.00316.46
7.4.260.0000.00816.41
7.4.250.0000.00816.33
7.4.240.0030.00316.55
7.4.230.0030.00316.55
7.4.220.0140.00316.57
7.4.210.0100.00716.51
7.4.200.0000.00716.47
7.4.160.0030.01316.31
7.4.150.0120.00517.40
7.4.140.0090.01217.86
7.4.130.0110.00616.49
7.4.120.0070.01016.45
7.4.110.0080.00816.56
7.4.100.0070.01016.63
7.4.90.0080.00816.53
7.4.80.0110.00719.39
7.4.70.0030.01416.63
7.4.60.0040.01616.40
7.4.50.0030.01216.28
7.4.40.0090.00916.64
7.4.30.0110.01116.55
7.4.00.0090.00615.13
7.3.330.0000.00613.26
7.3.320.0000.00513.25
7.3.310.0070.00016.16
7.3.300.0070.00016.36
7.3.290.0090.00616.37
7.3.280.0070.01116.29
7.3.270.0170.00017.40
7.3.260.0080.00816.47
7.3.250.0100.00816.51
7.3.240.0110.00616.31
7.3.230.0130.01016.52
7.3.210.0070.01016.36
7.3.200.0150.00016.27
7.3.190.0060.00916.38
7.3.180.0130.00716.71
7.3.170.0150.00916.38
7.3.160.0060.00916.30
7.3.10.0140.00616.62
7.3.00.0160.00316.53
7.2.330.0060.01216.87
7.2.320.0040.01716.42
7.2.310.0080.00816.82
7.2.300.0080.00916.73
7.2.290.0060.00916.46
7.2.130.0130.00516.68
7.2.120.0110.00316.70
7.2.110.0120.00716.67
7.2.100.0090.00516.76
7.2.90.0110.00516.55
7.2.80.0090.00916.61
7.2.70.0090.00516.68
7.2.60.0100.00716.52
7.2.50.0110.00616.80
7.2.40.0120.00716.64
7.2.30.0110.01016.71
7.2.20.0040.01016.46
7.2.10.0090.01216.23
7.2.00.0040.00917.59
7.1.250.0090.00615.38
7.1.200.0100.00315.99
7.1.100.0000.01118.13
7.1.70.0060.00617.21
7.1.60.0030.01419.19
7.1.50.0040.01516.95
7.1.00.0000.08022.33
7.0.200.0400.00614.55
7.0.60.0100.07321.81
7.0.50.0070.08317.91
7.0.40.0070.09020.23
7.0.30.0270.04320.09
7.0.20.0170.04020.00
7.0.10.0100.05020.19
7.0.00.0100.08020.30
5.6.280.0100.06320.77
5.6.210.0130.03320.74
5.6.200.0030.05318.21
5.6.190.0070.08020.77
5.6.180.0400.07320.77
5.6.170.0130.04320.45
5.6.160.0100.08320.52
5.6.150.0070.08018.12
5.6.140.0130.07318.15
5.6.130.0070.04018.21
5.6.120.0130.03321.02
5.6.110.0100.06721.13
5.6.100.0130.05721.09
5.6.90.0100.06321.00
5.6.80.0130.08020.52
5.5.350.0400.06720.32
5.5.340.0030.07017.91
5.5.330.0130.08020.43
5.5.320.0300.07720.21
5.5.310.0200.05020.16
5.5.300.0070.04717.94
5.5.290.0170.07717.91
5.5.280.0070.04020.80
5.5.270.0100.03720.94
5.5.260.0070.08320.84
5.5.250.0130.07720.58
5.5.240.0070.07320.27

preferences:
46.77 ms | 401 KiB | 5 Q