3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = ($b ?? $c) ?? $d; echo $a;

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)
8.5.10.0090.00818.58
8.5.00.0120.01020.05
8.4.160.0120.01123.94
8.4.150.0030.00014.05
8.4.140.0040.00517.52
8.4.130.0100.01017.64
8.4.120.0080.00120.59
8.4.110.0150.00722.38
8.4.100.0140.00717.84
8.4.90.0120.00717.96
8.4.80.0050.00519.66
8.4.70.0040.00417.93
8.4.60.0100.00918.72
8.4.50.0130.00719.66
8.4.40.0030.01719.49
8.4.30.0100.01020.58
8.4.20.0130.00720.67
8.4.10.0160.00321.95
8.3.280.0120.00718.47
8.3.270.0190.00816.50
8.3.260.0120.00716.54
8.3.250.0040.00418.93
8.3.240.0070.01216.77
8.3.230.0130.00616.34
8.3.220.0040.00516.97
8.3.210.0070.01216.69
8.3.200.0120.00716.48
8.3.190.0100.00816.97
8.3.180.0090.00916.38
8.3.170.0070.00016.68
8.3.160.0090.00916.82
8.3.150.0070.00317.03
8.3.140.0090.00916.64
8.3.130.0030.00618.72
8.3.120.0130.00618.75
8.3.110.0090.00020.94
8.3.100.0030.00624.06
8.3.90.0050.00326.77
8.3.80.0030.00716.63
8.3.70.0140.00716.58
8.3.60.0150.00616.86
8.3.50.0090.00620.43
8.3.40.0110.00418.53
8.3.30.0040.01118.68
8.3.20.0040.00424.18
8.3.10.0080.00024.66
8.3.00.0080.00026.16
8.2.290.0110.00820.60
8.2.280.0110.00718.36
8.2.270.0040.01416.81
8.2.260.0040.00418.89
8.2.250.0060.00618.41
8.2.240.0120.00319.00
8.2.230.0030.01322.58
8.2.220.0030.00637.54
8.2.210.0130.00626.77
8.2.200.0040.00416.75
8.2.190.0160.00316.63
8.2.180.0090.00625.92
8.2.170.0130.00318.91
8.2.160.0030.01022.96
8.2.150.0040.00425.66
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0040.00426.16
8.2.110.0110.00021.00
8.2.100.0090.00317.91
8.2.90.0040.00417.91
8.2.80.0060.00317.97
8.2.70.0040.00417.63
8.2.60.0070.00018.05
8.2.50.0050.00318.07
8.2.40.0030.00618.22
8.2.30.0000.00817.93
8.2.20.0040.00420.43
8.2.10.0030.00518.08
8.2.00.0000.00719.21
8.1.330.0130.00516.88
8.1.320.0100.00916.45
8.1.310.0050.00316.50
8.1.300.0150.00418.01
8.1.290.0060.00330.84
8.1.280.0140.00725.92
8.1.270.0040.00423.99
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0070.00322.52
8.1.230.0070.00420.92
8.1.220.0040.00417.74
8.1.210.0060.00318.77
8.1.200.0090.00017.22
8.1.190.0040.00417.23
8.1.180.0040.00418.10
8.1.170.0040.00418.50
8.1.160.0050.00218.82
8.1.150.0070.00018.47
8.1.140.0000.00717.29
8.1.130.0000.00718.68
8.1.120.0040.00417.29
8.1.110.0040.00417.43
8.1.100.0040.00417.31
8.1.90.0040.00417.28
8.1.80.0000.00817.31
8.1.70.0000.00717.28
8.1.60.0040.00417.45
8.1.50.0070.00417.57
8.1.40.0040.00817.35
8.1.30.0070.00717.51
8.1.20.0050.00517.57
8.1.10.0100.00717.43
8.1.00.0190.00017.41
8.0.300.0070.00020.03
8.0.290.0000.00916.75
8.0.280.0040.00418.30
8.0.270.0030.00318.01
8.0.260.0030.00318.37
8.0.250.0080.00017.00
8.0.240.0030.00316.88
8.0.230.0030.00616.95
8.0.220.0000.00716.85
8.0.210.0030.00316.81
8.0.200.0080.00916.87
8.0.190.0150.00016.75
8.0.180.0120.00316.89
8.0.170.0050.01016.86
8.0.160.0040.01116.83
8.0.150.0050.01016.75
8.0.140.0050.01016.88
8.0.130.0050.01016.78
8.0.120.0120.00316.74
8.0.110.0090.00516.87
8.0.100.0150.00016.83
8.0.90.0120.00316.88
8.0.80.0090.00516.79
8.0.70.0070.00716.83
8.0.60.0110.00416.70
8.0.50.0050.00916.82
8.0.30.0130.00216.60
8.0.20.0100.00516.91
8.0.10.0110.00416.84
7.4.330.0060.00015.55
7.4.320.0030.00316.41
7.4.300.0120.00416.52
7.4.290.0120.00616.50
7.4.280.0070.01116.52
7.4.270.0030.01416.43
7.4.260.0170.00016.33
7.4.250.0040.01216.45
7.4.240.0140.00316.38
7.4.230.0140.00316.49
7.4.220.0140.00016.41
7.4.210.0110.00416.50
7.4.200.0070.00716.53
7.4.190.0090.00616.64
7.4.180.0090.00416.48
7.4.160.0070.00716.42
7.4.150.0100.00316.46
7.4.140.0100.00416.28
7.4.130.0160.00016.25
7.4.120.0120.00316.27
7.4.110.0080.00516.18
7.4.100.0080.00516.32
7.4.90.0000.01016.20
7.4.80.0030.00616.47
7.4.70.0000.00816.33
7.4.60.0110.00316.40
7.4.50.0070.00816.30
7.4.40.0140.00316.32
7.4.30.0000.00816.29
7.4.20.0000.00716.37
7.4.10.0030.00316.22
7.4.00.0040.00416.24

preferences:
22.34 ms | 403 KiB | 5 Q