3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = new stdClass(); $x->{1} = null; print_r($x);

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)
8.3.60.0150.00018.51
8.3.50.0100.01018.00
8.3.40.0160.00018.59
8.3.30.0110.00418.44
8.3.20.0040.00419.21
8.3.10.0040.00423.66
8.3.00.0040.00420.43
8.2.180.0140.00016.50
8.2.170.0030.01022.96
8.2.160.0030.01022.16
8.2.150.0030.00524.18
8.2.140.0090.00024.66
8.2.130.0040.00418.09
8.2.120.0040.00426.35
8.2.110.0030.00620.52
8.2.100.0060.00617.78
8.2.90.0000.00917.63
8.2.80.0050.00317.97
8.2.70.0030.00517.80
8.2.60.0000.00817.82
8.2.50.0050.00318.10
8.2.40.0040.00419.30
8.2.30.0000.00719.24
8.2.20.0040.00417.94
8.2.10.0050.00317.88
8.2.00.0030.00617.55
8.1.280.0070.01025.92
8.1.270.0030.00618.75
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0030.00623.82
8.1.230.0080.00417.66
8.1.220.0040.00417.74
8.1.210.0080.00018.77
8.1.200.0060.00317.35
8.1.190.0040.00417.10
8.1.180.0030.00618.10
8.1.170.0080.00018.64
8.1.160.0050.00218.75
8.1.150.0040.00418.74
8.1.140.0040.00422.18
8.1.130.0000.00720.24
8.1.120.0070.00017.39
8.1.110.0000.00817.39
8.1.100.0000.00817.29
8.1.90.0030.00617.38
8.1.80.0000.00717.32
8.1.70.0000.00717.35
8.1.60.0050.00317.41
8.1.50.0050.00317.45
8.1.40.0080.00017.48
8.1.30.0040.00717.55
8.1.20.0040.00417.46
8.1.10.0050.00217.36
8.1.00.0050.00317.34
8.0.300.0040.00418.77
8.0.290.0000.00816.63
8.0.280.0000.00718.39
8.0.270.0030.00317.24
8.0.260.0000.00618.45
8.0.250.0070.00016.91
8.0.240.0000.00716.82
8.0.230.0030.00316.80
8.0.220.0000.00816.89
8.0.210.0090.00016.87
8.0.200.0070.00016.90
8.0.190.0000.00716.89
8.0.180.0080.00016.75
8.0.170.0060.00316.75
8.0.160.0040.00416.80
8.0.150.0030.00616.62
8.0.140.0000.00716.75
8.0.130.0000.00613.20
8.0.120.0000.00716.81
8.0.110.0060.00316.73
8.0.100.0000.00716.86
8.0.90.0050.00316.80
8.0.80.0100.00716.82
8.0.70.0050.00316.79
8.0.60.0000.00716.71
8.0.50.0070.00016.89
8.0.30.0100.01017.17
8.0.20.0120.00617.40
8.0.10.0040.00416.86
8.0.00.0100.00916.56
7.4.330.0030.00315.55
7.4.320.0000.00616.41
7.4.300.0000.00716.52
7.4.290.0070.00016.54
7.4.280.0000.00716.42
7.4.270.0070.00016.46
7.4.260.0040.00416.32
7.4.250.0030.00316.50
7.4.240.0080.00016.47
7.4.230.0020.00516.61
7.4.220.0080.00016.55
7.4.210.0100.00516.50
7.4.200.0040.00416.56
7.4.160.0090.00816.48
7.4.140.0110.00917.86
7.4.130.0100.00716.44
7.4.120.0110.00816.46
7.4.110.0070.01016.46
7.4.100.0040.01216.31
7.4.90.0100.00716.53
7.4.80.0140.00419.39
7.4.70.0030.01416.55
7.4.60.0100.01316.26
7.4.50.0030.01416.25
7.4.40.0070.01016.31
7.3.330.0000.00513.06
7.3.320.0050.00013.03
7.3.310.0080.00016.03
7.3.300.0030.00316.11
7.3.290.0030.00316.01
7.3.280.0070.00716.14
7.3.260.0070.01116.40
7.3.240.0110.00816.39
7.3.230.0090.00916.16
7.3.210.0120.00916.19
7.3.200.0100.00716.17
7.3.190.0030.01316.42
7.3.180.0180.00316.29
7.3.170.0060.01616.10
7.3.160.0060.01316.16
7.2.330.0080.00816.65
7.2.320.0090.00916.55
7.2.310.0000.01616.67
7.2.300.0070.01016.63
7.2.290.0040.01616.38

preferences:
84.15 ms | 401 KiB | 5 Q