3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = ['b' => 'monkey']; $b = $a['b'] ?? 'rabbit';

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)
8.4.120.0130.00622.39
8.4.110.0060.01022.19
8.4.100.0130.00724.00
8.4.90.0110.00918.76
8.4.80.0110.00717.77
8.4.70.0050.00417.75
8.4.60.0110.00918.74
8.4.50.0070.01318.57
8.4.40.0100.01017.48
8.4.30.0100.01018.71
8.4.20.0140.00717.69
8.4.10.0060.00319.55
8.3.250.0040.00518.95
8.3.240.0120.00816.63
8.3.230.0110.00816.68
8.3.220.0090.01017.29
8.3.210.0130.00616.48
8.3.200.0060.00316.70
8.3.190.0050.00417.30
8.3.180.0050.00316.61
8.3.170.0140.00418.91
8.3.160.0110.00718.43
8.3.150.0080.00620.58
8.3.140.0080.00016.64
8.3.130.0030.00618.21
8.3.120.0060.01018.58
8.3.110.0000.00816.66
8.3.100.0040.01216.44
8.3.90.0000.00818.33
8.3.80.0110.00717.97
8.3.70.0110.00316.38
8.3.60.0150.00418.31
8.3.50.0000.01416.43
8.3.40.0200.00020.48
8.3.30.0070.00719.22
8.3.20.0060.00324.18
8.3.10.0060.00324.66
8.3.00.0040.00426.16
8.2.290.0110.00720.47
8.2.280.0120.00718.20
8.2.270.0060.00317.29
8.2.260.0040.00418.19
8.2.250.0040.00416.68
8.2.240.0040.00417.12
8.2.230.0050.00320.94
8.2.220.0040.00424.06
8.2.210.0080.00026.77
8.2.200.0100.00016.75
8.2.190.0090.00616.58
8.2.180.0120.00916.75
8.2.170.0040.01118.64
8.2.160.0100.00322.96
8.2.150.0080.00025.66
8.2.140.0050.00324.66
8.2.130.0000.00726.16
8.2.120.0050.00319.64
8.2.110.0100.01120.88
8.2.100.0150.00619.43
8.2.90.0180.00519.47
8.2.80.0160.00619.35
8.2.70.0160.00619.30
8.2.60.0100.01019.30
8.2.50.0100.00919.20
8.2.40.0150.00719.37
8.2.30.0110.01019.30
8.2.20.0110.00819.33
8.2.10.0120.00919.33
8.2.00.0140.00019.32
8.1.330.0070.00821.73
8.1.320.0100.00815.96
8.1.310.0040.00418.57
8.1.300.0030.00618.36
8.1.290.0030.00618.88
8.1.280.0110.00425.92
8.1.270.0040.00424.66
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0110.00719.09
8.1.230.0110.00819.08
8.1.220.0070.01019.09
8.1.210.0160.00520.28
8.1.200.0110.00619.05
8.1.190.0090.01218.93
8.1.180.0070.00818.92
8.1.170.0130.00719.01
8.1.160.0080.00619.34
8.1.150.0150.00519.12
8.1.140.0070.00720.13
8.1.130.0100.00719.00
8.1.120.0050.00819.03
8.1.110.0050.01019.07
8.1.100.0060.00719.02
8.1.90.0080.00620.13
8.1.80.0150.00519.13
8.1.70.0080.00519.36
8.1.60.0040.01019.30
8.1.50.0070.00719.26
8.1.40.0070.00619.38
8.1.30.0060.00719.42
8.1.20.0020.01019.40
8.1.10.0050.00919.22
8.1.00.0110.00219.23
8.0.300.0050.00718.38
8.0.290.0090.00518.34
8.0.280.0060.00618.37
8.0.270.0120.00417.78
8.0.260.0080.00118.44
8.0.250.0090.00218.36
8.0.240.0110.00518.40
8.0.230.0050.00518.89
8.0.220.0060.00218.40
8.0.210.0090.00618.42
8.0.200.0040.00718.48
8.0.190.0070.00818.44
8.0.180.0020.00718.44
8.0.170.0100.00518.47
8.0.160.0060.00418.42
8.0.150.0120.00618.35
8.0.140.0060.00318.36
8.0.130.0040.00718.37
8.0.120.0070.00618.31
8.0.110.0070.00418.56
8.0.100.0110.00118.44
8.0.90.0070.00318.35
8.0.80.0110.00918.36
8.0.70.0060.00518.36
8.0.60.0080.00218.53
8.0.50.0120.00618.30
8.0.30.0040.00518.39
8.0.20.0100.00318.54
8.0.10.0090.00318.56

preferences:
27.86 ms | 403 KiB | 5 Q