3v4l.org

run code in 300+ PHP versions simultaneously
<?php $something = new stdClass(); if (empty($something->notset)) { echo '->notset is empty'; }

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)
8.3.60.0110.00716.32
8.3.50.0100.00716.18
8.3.40.0100.01019.35
8.3.30.0110.00718.58
8.3.20.0000.00724.18
8.3.10.0040.00424.66
8.3.00.0060.00326.16
8.2.180.0120.00925.92
8.2.170.0100.00622.96
8.2.160.0070.00722.96
8.2.150.0070.00025.66
8.2.140.0040.00424.66
8.2.130.0050.00326.16
8.2.120.0040.00426.35
8.2.110.0030.00619.24
8.2.100.0090.00317.78
8.2.90.0060.00319.16
8.2.80.0030.00517.97
8.2.70.0080.00017.63
8.2.60.0000.00818.04
8.2.50.0030.00618.07
8.2.40.0080.00019.97
8.2.30.0040.00418.04
8.2.20.0000.00717.98
8.2.10.0080.00019.05
8.2.00.0040.00419.18
8.1.280.0150.00025.92
8.1.270.0030.00523.99
8.1.260.0040.00428.09
8.1.250.0040.00428.09
8.1.240.0000.01519.47
8.1.230.0080.00417.46
8.1.220.0040.00417.74
8.1.210.0000.00918.77
8.1.200.0030.00617.13
8.1.190.0080.00017.13
8.1.180.0050.00318.10
8.1.170.0080.00018.52
8.1.160.0050.00218.73
8.1.150.0000.00718.85
8.1.140.0030.00518.84
8.1.130.0000.00720.00
8.1.120.0030.00417.37
8.1.110.0040.00417.41
8.1.100.0000.00717.39
8.1.90.0040.00417.27
8.1.80.0000.00817.34
8.1.70.0040.00417.36
8.1.60.0040.00417.44
8.1.50.0000.00817.46
8.1.40.0000.00817.48
8.1.30.0030.00517.41
8.1.20.0050.00317.47
8.1.10.0000.00717.43
8.1.00.0000.00817.39
8.0.300.0000.00918.77
8.0.290.0000.00816.63
8.0.280.0040.00418.44
8.0.270.0030.00318.04
8.0.260.0040.00418.45
8.0.250.0000.00616.88
8.0.240.0080.00016.91
8.0.230.0070.00016.91
8.0.220.0000.00816.80
8.0.210.0000.00716.89
8.0.200.0080.00016.94
8.0.190.0000.00816.75
8.0.180.0030.00516.77
8.0.170.0060.00316.80
8.0.160.0000.00716.72
8.0.150.0000.00716.84
8.0.140.0040.00416.77
8.0.130.0000.00613.26
8.0.120.0040.00416.66
8.0.110.0030.00316.80
8.0.100.0070.00016.69
8.0.90.0060.00316.89
8.0.80.0100.00816.80
8.0.70.0030.00516.84
8.0.60.0000.00816.78
8.0.50.0040.00416.71
8.0.30.0130.00617.06
8.0.20.0060.01216.94
8.0.10.0000.00816.81
8.0.00.0200.04216.80
7.4.330.0000.00415.55
7.4.320.0000.00616.44
7.4.300.0090.00016.33
7.4.290.0040.00416.44
7.4.280.0000.00716.55
7.4.270.0030.00316.52
7.4.260.0050.00013.21
7.4.250.0030.00316.47
7.4.240.0030.00316.51
7.4.230.0000.00716.59
7.4.220.0040.00416.40
7.4.210.0040.01016.43
7.4.200.0000.00616.37
7.4.130.0070.01216.54
7.4.120.0120.00916.31
7.4.110.0110.00616.59
7.4.100.0030.01416.30
7.4.90.0030.01316.32
7.4.80.0030.01919.39
7.4.70.0080.00816.29
7.4.60.0030.01316.37
7.4.50.0110.00716.44
7.4.40.0090.00616.44
7.4.30.0050.01116.30
7.4.20.0070.01016.47
7.4.10.0060.01016.48
7.4.00.0060.01116.50
7.3.330.0070.00016.19
7.3.320.0050.00012.94
7.3.310.0000.00716.19
7.3.300.0040.00416.14
7.3.290.0110.00516.15
7.3.280.0120.00416.16
7.3.260.0170.00016.29
7.3.240.0110.00616.18
7.3.230.0100.01316.33
7.3.210.0070.01016.27
7.3.200.0070.01016.52
7.3.190.0030.01316.42
7.3.180.0080.00816.42
7.3.170.0110.00416.30
7.3.160.0140.00416.10
7.3.150.0130.00316.03
7.3.140.0070.01016.36
7.3.130.0090.00616.53
7.3.120.0130.00316.22
7.3.110.0120.00916.45
7.3.100.0060.01216.40
7.3.90.0130.00316.18
7.3.80.0090.00916.45
7.3.70.0100.00616.18
7.3.60.0080.01116.14
7.3.50.0130.00916.21
7.3.40.0120.00416.16
7.3.30.0130.00316.20
7.3.20.0060.00916.32
7.3.10.0100.00716.16
7.3.00.0000.01616.16
7.2.330.0040.01516.48
7.2.310.0120.00616.44
7.2.300.0080.00816.53
7.2.290.0040.01216.39
7.2.280.0140.00516.27
7.2.270.0090.00616.56
7.2.260.0070.01316.30
7.2.250.0110.00516.59
7.2.240.0090.01216.67
7.2.230.0030.01716.54
7.2.220.0140.00316.47
7.2.210.0090.01316.51
7.2.200.0120.00616.51
7.2.190.0170.00616.66
7.2.180.0160.00616.25
7.2.170.0040.01416.32
7.2.160.0070.01016.54
7.2.150.0000.01916.67
7.2.140.0030.01316.53
7.2.130.0100.01316.42
7.2.120.0080.00816.42
7.2.110.0030.01316.65
7.2.100.0060.01016.49
7.2.90.0070.01016.68
7.2.80.0060.01316.60
7.2.70.0070.01016.59
7.2.60.0130.00716.61
7.2.50.0100.00716.48
7.2.40.0100.00716.35
7.2.30.0190.00716.52
7.2.20.0070.01016.60
7.2.10.0040.01316.35
7.2.00.0100.00716.62

preferences:
68.42 ms | 400 KiB | 5 Q