3v4l.org

run code in 300+ PHP versions simultaneously
<?php $obj = new stdClass; $val = 'foo'; $obj->prop = &$val; var_dump($obj->prop ?? []);

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)
8.3.60.0100.01018.18
8.3.50.0030.01018.02
8.3.40.0090.00918.84
8.3.30.0090.00918.45
8.3.20.0080.00018.66
8.3.10.0070.00023.57
8.3.00.0070.00021.73
8.2.180.0180.00416.50
8.2.170.0120.00322.96
8.2.160.0170.00319.31
8.2.150.0080.00024.18
8.2.140.0030.00524.66
8.2.130.0030.00526.16
8.2.120.0050.00319.36
8.2.110.0050.00520.53
8.2.100.0070.00417.78
8.2.90.0060.00317.72
8.2.80.0060.00318.70
8.2.70.0030.00517.38
8.2.60.0030.00617.25
8.2.50.0040.00417.93
8.2.40.0080.00019.35
8.2.30.0030.00320.55
8.2.20.0030.00517.93
8.2.10.0050.00218.22
8.2.00.0070.00019.45
8.1.280.0080.01325.92
8.1.270.0040.00423.99
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0050.00523.79
8.1.230.0080.00422.47
8.1.220.0030.00617.77
8.1.210.0080.00018.77
8.1.200.0090.00017.22
8.1.190.0000.00817.22
8.1.180.0050.00318.10
8.1.170.0000.00817.62
8.1.160.0000.00818.80
8.1.150.0040.00418.73
8.1.140.0000.00818.73
8.1.130.0000.00720.30
8.1.120.0030.00417.44
8.1.110.0040.00417.30
8.1.100.0030.00717.27
8.1.90.0050.00217.42
8.1.80.0000.00917.34
8.1.70.0070.00017.38
8.1.60.0040.00417.50
8.1.50.0000.00817.52
8.1.40.0040.00417.48
8.1.30.0040.00417.62
8.1.20.0040.00417.64
8.1.10.0030.00717.56
8.1.00.0000.00717.41
8.0.300.0070.00018.83
8.0.290.0080.00016.63
8.0.280.0040.00418.37
8.0.270.0030.00317.09
8.0.260.0070.00020.11
8.0.250.0060.00016.75
8.0.240.0000.00616.89
8.0.230.0030.00316.88
8.0.220.0000.00716.75
8.0.210.0080.00016.86
8.0.200.0000.00616.75
8.0.190.0090.00016.81
8.0.180.0030.00616.73
8.0.170.0040.00416.85
8.0.160.0050.00216.78
8.0.150.0080.00316.74
8.0.140.0040.00416.82
8.0.130.0050.00213.20
8.0.120.0060.00316.84
8.0.110.0000.00816.66
8.0.100.0040.00416.68
8.0.90.0030.00316.88
8.0.80.0080.01316.79
8.0.70.0040.00416.82
8.0.60.0040.00416.71
8.0.50.0000.00716.85
8.0.30.0070.01217.17
8.0.20.0060.01517.40
8.0.10.0070.00016.95
8.0.00.0050.01216.91
7.4.330.0000.00515.55
7.4.320.0000.00616.52
7.4.300.0040.00416.46
7.4.290.0030.00516.60
7.4.280.0030.00516.40
7.4.270.0100.00016.46
7.4.260.0040.00416.57
7.4.250.0030.00516.50
7.4.240.0080.00016.57
7.4.230.0040.00416.60
7.4.220.0060.00316.57
7.4.210.0130.00316.52
7.4.200.0070.00016.55
7.4.160.0100.00616.42
7.4.140.0150.00617.86
7.4.130.0100.01316.38
7.4.120.0120.00616.46
7.4.110.0160.00716.64
7.4.100.0070.01016.59
7.4.90.0090.00916.46
7.4.80.0130.01019.39
7.4.70.0100.00716.44
7.4.60.0080.00716.44
7.4.50.0090.00916.56
7.4.40.0140.01116.35
7.4.00.0000.01715.00
7.3.330.0020.00213.07
7.3.320.0030.00312.96
7.3.310.0030.00316.22
7.3.300.0030.00316.27
7.3.290.0030.00316.19
7.3.280.0140.00516.19
7.3.260.0090.01216.23
7.3.240.0120.00516.35
7.3.230.0070.01016.41
7.3.210.0090.00916.56
7.3.200.0110.00816.44
7.3.190.0130.00316.11
7.3.180.0100.01016.60
7.3.170.0110.00816.33
7.3.160.0070.01016.18
7.3.30.0130.01314.72
7.3.20.0700.01114.66
7.3.10.0530.01314.64
7.3.00.0510.01014.31
7.2.330.0090.00916.74
7.2.320.0150.00816.64
7.2.310.0130.01016.36
7.2.300.0060.00916.31
7.2.290.0080.00916.46
7.2.160.0130.00814.62
7.2.150.0720.00714.89
7.2.140.0590.00714.90
7.2.130.0660.00714.98
7.2.120.0550.01014.93
7.2.110.0710.00614.70
7.2.100.0560.01814.71
7.2.90.1580.01114.56
7.2.80.1260.00814.55
7.2.70.1260.00914.79
7.2.60.1530.00814.87
7.2.50.1230.01214.78
7.2.40.1640.00714.84
7.2.30.1450.00914.82
7.2.20.1620.00914.72
7.2.10.1640.01014.86
7.2.00.1710.00714.81
7.1.270.0640.00613.81
7.1.260.0490.01013.78
7.1.250.0520.00313.43
7.1.240.0560.01013.87
7.1.230.0450.01413.84
7.1.220.0520.01513.91
7.1.210.1490.00713.77
7.1.200.1320.00913.75
7.1.190.1580.00613.70
7.1.180.1520.00713.59
7.1.170.1360.01113.57
7.1.160.1520.00613.67
7.1.150.1600.00813.62
7.1.140.1510.00613.71
7.1.130.1610.00413.69
7.1.120.1500.00813.76
7.1.110.1600.00613.66
7.1.100.1590.00513.61
7.1.90.1840.00913.64
7.1.80.2050.01113.66
7.1.70.1680.00713.70
7.1.60.1730.00827.28
7.1.50.2070.01027.25
7.1.40.2120.01027.14
7.1.30.2160.01227.05
7.1.20.2390.00627.11
7.1.10.2280.00713.69
7.1.00.1810.01113.79
7.0.330.0770.01013.30
5.6.400.0100.00513.82
5.6.390.0140.00913.88
5.6.380.0180.01113.77

preferences:
36.78 ms | 400 KiB | 5 Q