3v4l.org

run code in 300+ PHP versions simultaneously
<?php class User { public $address; } class Address { public $street; } function old($key, $default) { var_dump($default); } $address = new Address(); $address->street = 'Street'; $user = new User(); $user->address = $address; old('address', $user->address ?? '');

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)
8.3.60.0060.00918.58
8.3.50.0160.00316.35
8.3.40.0090.00918.63
8.3.30.0130.00318.79
8.3.20.0070.00021.95
8.3.10.0040.00423.61
8.3.00.0080.00023.61
8.2.180.0150.00616.47
8.2.170.0110.00422.96
8.2.160.0110.00322.00
8.2.150.0040.00424.18
8.2.140.0030.00624.66
8.2.130.0080.00019.03
8.2.120.0070.00026.35
8.2.110.0060.00322.24
8.2.100.0080.00419.32
8.2.90.0080.00017.38
8.2.80.0060.00318.70
8.2.70.0050.00317.80
8.2.60.0040.00417.50
8.2.50.0040.00418.10
8.2.40.0040.00420.39
8.2.30.0030.00519.45
8.2.20.0040.00418.02
8.2.10.0000.00817.68
8.2.00.0030.00518.11
8.1.280.0070.00725.92
8.1.270.0080.00023.97
8.1.260.0040.00426.35
8.1.250.0030.00628.09
8.1.240.0120.00922.13
8.1.230.0030.00917.83
8.1.220.0080.00017.74
8.1.210.0000.00818.77
8.1.200.0130.00317.13
8.1.190.0030.00617.23
8.1.180.0040.00818.10
8.1.170.0040.00418.48
8.1.160.0050.00318.74
8.1.150.0050.00520.22
8.1.140.0040.00417.56
8.1.130.0030.00319.07
8.1.120.0000.00717.45
8.1.110.0050.00317.43
8.1.100.0040.00417.33
8.1.90.0050.00317.41
8.1.80.0000.00717.39
8.1.70.0040.00417.29
8.1.60.0060.00317.60
8.1.50.0040.00417.57
8.1.40.0000.00817.40
8.1.30.0090.00017.48
8.1.20.0030.00617.64
8.1.10.0050.00517.67
8.1.00.0030.00517.50
8.0.300.0000.00818.77
8.0.290.0000.00716.75
8.0.280.0070.00018.38
8.0.270.0000.00717.20
8.0.260.0000.00716.78
8.0.250.0030.00316.85
8.0.240.0000.00716.89
8.0.230.0030.00316.93
8.0.220.0030.00316.74
8.0.210.0030.00316.80
8.0.200.0000.00616.88
8.0.190.0040.00416.88
8.0.180.0030.00316.76
8.0.170.0060.00316.82
8.0.160.0040.00416.72
8.0.150.0000.00716.66
8.0.140.0040.00416.77
8.0.130.0000.00513.27
8.0.120.0040.00416.84
8.0.110.0040.00416.72
8.0.100.0040.00416.71
8.0.90.0070.00016.62
8.0.80.0100.00616.81
8.0.70.0000.00816.89
8.0.60.0040.00416.65
8.0.50.0000.00716.68
8.0.30.0090.00917.05
8.0.20.0130.00617.40
8.0.10.0040.00416.77
8.0.00.0110.00616.85
7.4.330.0060.00015.55
7.4.320.0060.00016.67
7.4.300.0000.00616.63
7.4.290.0040.00416.51
7.4.280.0070.00016.63
7.4.270.0060.00316.51
7.4.260.0040.00416.48
7.4.250.0070.00016.50
7.4.240.0040.00416.50
7.4.230.0040.00416.39
7.4.220.0000.00716.71
7.4.210.0060.00916.44
7.4.200.0000.00716.43
7.4.160.0050.01416.46
7.4.140.0110.00917.86
7.4.130.0110.00716.52
7.4.120.0110.00616.52
7.4.110.0040.01316.54
7.4.100.0070.01016.45
7.4.90.0110.00616.45
7.4.80.0100.01319.39
7.4.70.0100.00616.59
7.4.60.0120.00616.40
7.4.50.0060.01016.45
7.4.40.0070.01016.51
7.4.00.0110.00414.80
7.3.330.0000.00513.26
7.3.320.0060.00013.33
7.3.310.0000.00616.16
7.3.300.0030.00316.17
7.3.290.0090.00616.31
7.3.280.0060.01316.32
7.3.260.0100.00916.54
7.3.250.0080.00916.41
7.3.240.0070.01016.36
7.3.230.0160.00316.37
7.3.210.0100.00616.55
7.3.200.0040.01116.31
7.3.190.0150.00016.53
7.3.180.0080.01216.43
7.3.170.0070.00916.45
7.3.160.0060.00916.50
7.2.330.0090.00816.28
7.2.320.0140.00416.52
7.2.310.0140.00416.34
7.2.300.0130.01016.49
7.2.290.0070.01416.64
7.2.60.0120.00316.72
7.2.30.0150.01017.70
7.2.20.0090.01317.99
7.2.10.0070.01317.56
7.2.00.0100.00918.04
7.1.200.0030.01015.84
7.1.150.0190.00916.43
7.1.140.0110.01516.63
7.1.130.0140.00716.69
7.1.120.0120.01016.89
7.1.110.0150.01116.22
7.1.100.0100.01015.95
7.1.90.0090.00815.89
7.1.80.0090.00916.05
7.1.70.0070.01015.22
7.1.60.0290.01333.24
7.1.50.0320.01932.64
7.1.40.0370.01332.53
7.1.30.0320.02032.57
7.1.20.0180.01732.56
7.1.10.0110.01414.77
7.1.00.0110.00714.88

preferences:
64.12 ms | 401 KiB | 5 Q