3v4l.org

run code in 300+ PHP versions simultaneously
<?php class User { public $address; } class Address { public $street; } $address = new Address(); $address->street = 'Street'; $user = new User(); $user->address = $address; $user2 = new User(); echo $user->address->street ?? ''; echo $user2->address->street ?? ''; var_dump(isset($user->address->street->number->etc));

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)
8.3.60.0180.00018.56
8.3.50.0070.01016.53
8.3.40.0120.00618.77
8.3.30.0120.00318.54
8.3.20.0000.00721.73
8.3.10.0080.00023.66
8.3.00.0040.00423.46
8.2.180.0070.01416.45
8.2.170.0090.00622.96
8.2.160.0090.00622.14
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0040.00419.21
8.2.120.0070.00026.35
8.2.110.0030.00621.99
8.2.100.0120.00019.45
8.2.90.0000.00917.75
8.2.80.0000.00818.78
8.2.70.0060.00318.03
8.2.60.0040.00417.63
8.2.50.0050.00318.22
8.2.40.0040.00420.42
8.2.30.0040.00419.32
8.2.20.0040.00418.03
8.2.10.0050.00217.70
8.2.00.0050.00318.01
8.1.280.0040.01125.92
8.1.270.0040.00422.03
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0080.00822.25
8.1.230.0130.00017.70
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0100.00017.35
8.1.190.0060.00317.23
8.1.180.0040.00418.10
8.1.170.0030.00518.60
8.1.160.0000.00718.84
8.1.150.0040.00420.32
8.1.140.0050.00317.76
8.1.130.0000.00820.83
8.1.120.0040.00417.38
8.1.110.0050.00317.43
8.1.100.0030.00317.44
8.1.90.0040.00417.47
8.1.80.0070.00017.42
8.1.70.0030.00317.34
8.1.60.0030.00617.61
8.1.50.0040.00417.52
8.1.40.0000.00817.46
8.1.30.0100.00017.68
8.1.20.0080.00017.61
8.1.10.0000.00717.48
8.1.00.0080.00017.57
8.0.300.0040.00418.77
8.0.290.0000.00716.63
8.0.280.0050.00318.50
8.0.270.0040.00417.31
8.0.260.0070.00016.90
8.0.250.0030.00316.86
8.0.240.0070.00016.82
8.0.230.0030.00316.80
8.0.220.0030.00316.80
8.0.210.0030.00316.88
8.0.200.0030.00316.93
8.0.190.0080.00016.97
8.0.180.0070.00016.82
8.0.170.0040.00416.85
8.0.160.0070.00016.82
8.0.150.0030.00516.70
8.0.140.0040.00416.80
8.0.130.0000.00513.24
8.0.120.0000.00716.82
8.0.110.0040.00416.71
8.0.100.0000.00816.68
8.0.90.0040.00416.64
8.0.80.0120.00416.81
8.0.70.0030.00516.72
8.0.60.0040.00416.84
8.0.50.0030.00516.69
8.0.30.0090.00817.04
8.0.20.0110.00817.40
8.0.10.0080.00016.75
8.0.00.0040.01316.65
7.4.330.0000.00715.55
7.4.320.0000.00616.64
7.4.300.0060.00016.62
7.4.290.0040.00416.52
7.4.280.0040.00416.51
7.4.270.0080.00316.61
7.4.260.0000.00716.50
7.4.250.0070.00016.55
7.4.240.0070.00016.41
7.4.230.0030.00316.27
7.4.220.0000.00716.27
7.4.210.0150.00616.55
7.4.200.0080.00016.52
7.4.160.0120.00516.41
7.4.140.0120.00717.86
7.4.130.0140.00316.63
7.4.120.0090.00916.52
7.4.110.0140.00716.55
7.4.100.0080.00816.66
7.4.90.0140.00316.55
7.4.80.0130.01019.39
7.4.70.0070.01016.52
7.4.60.0070.01116.51
7.4.50.0060.00916.56
7.4.40.0060.01116.45
7.4.00.0030.01015.05
7.3.330.0050.00013.13
7.3.320.0030.00313.09
7.3.310.0030.00316.33
7.3.300.0000.00616.32
7.3.290.0090.00716.33
7.3.280.0130.00316.30
7.3.260.0100.00916.46
7.3.250.0120.00616.40
7.3.240.0090.00716.57
7.3.230.0060.01016.50
7.3.210.0120.00416.34
7.3.200.0110.00616.25
7.3.190.0100.00516.44
7.3.180.0080.00816.51
7.3.170.0120.00916.28
7.3.160.0060.01016.56
7.2.330.0090.00916.49
7.2.320.0090.00916.82
7.2.310.0100.00716.61
7.2.300.0070.01016.62
7.2.290.0140.00616.78
7.2.60.0060.00616.84
7.2.30.0150.01018.07
7.2.20.0120.01018.04
7.2.10.0110.00918.02
7.2.00.0240.01418.02
7.1.200.0150.00015.70
7.1.150.0080.01216.47
7.1.140.0140.00816.83
7.1.130.0090.01316.75
7.1.120.5000.01516.92
7.1.110.0080.01016.18
7.1.100.0130.01316.05
7.1.90.0110.01416.14
7.1.80.0080.01116.08
7.1.70.0100.01214.93
7.1.60.0300.01032.87
7.1.50.0300.01732.87
7.1.40.0270.01132.47
7.1.30.0310.01232.62
7.1.20.0250.01432.70
7.1.10.0100.01014.56
7.1.00.0130.00914.81

preferences:
42.75 ms | 400 KiB | 5 Q