3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(null->user_id); // Raise the warning as expected var_dump(null->user_id ?? 0); // Without Warning

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)
8.5.20.0090.01020.15
8.5.10.0120.00618.61
8.5.00.0110.01020.19
8.4.170.0090.01223.91
8.4.160.0120.00925.67
8.4.150.0030.00014.05
8.4.140.0150.00617.27
8.4.130.0120.00818.09
8.4.120.0030.00720.64
8.4.110.0100.01022.12
8.4.100.0140.00617.80
8.4.90.0110.00918.40
8.4.80.0100.00717.56
8.4.70.0020.00617.74
8.4.60.0070.00318.79
8.4.50.0110.00917.77
8.4.40.0140.01019.24
8.4.30.0090.00618.43
8.4.20.0100.01017.96
8.4.10.0140.01019.59
8.3.300.0080.01122.57
8.3.290.0070.00220.18
8.3.280.0110.00818.43
8.3.270.0110.00816.51
8.3.260.0140.00616.59
8.3.250.0050.00218.88
8.3.240.0150.00516.41
8.3.230.0100.00916.30
8.3.220.0120.00617.26
8.3.210.0110.00716.57
8.3.200.0050.00416.60
8.3.190.0070.01216.86
8.3.180.0110.00816.56
8.3.170.0120.00620.45
8.3.160.0110.00718.89
8.3.150.0000.00817.38
8.3.140.0040.00416.56
8.3.130.0090.00018.51
8.3.120.0030.00720.66
8.3.110.0090.00020.94
8.3.100.0050.00516.64
8.3.90.0110.00726.77
8.3.80.0030.00619.36
8.3.70.0090.00918.68
8.3.60.0060.00918.31
8.3.50.0090.00920.20
8.3.40.0100.01018.79
8.3.30.0120.00318.88
8.3.20.0030.00624.18
8.3.10.0000.00724.66
8.3.00.0000.00826.16
8.2.300.0120.00817.94
8.2.290.0110.00920.19
8.2.280.0060.00318.39
8.2.270.0150.00317.08
8.2.260.0070.00716.68
8.2.250.0000.00816.57
8.2.240.0100.01018.66
8.2.230.0040.00822.58
8.2.220.0000.00824.06
8.2.210.0040.00426.77
8.2.200.0030.00618.88
8.2.190.0110.00418.29
8.2.180.0070.00725.92
8.2.170.0080.00618.96
8.2.160.0100.00322.96
8.2.150.0000.00725.66
8.2.140.0070.00024.66
8.2.130.0000.00726.16
8.2.120.0040.00421.00
8.2.110.0060.00319.38
8.2.100.0120.00017.59
8.2.90.0000.00720.58
8.2.80.0040.00417.97
8.2.70.0080.00017.92
8.2.60.0040.00418.09
8.2.50.0060.00318.10
8.2.40.0050.00319.68
8.2.30.0050.00317.93
8.2.20.0040.00420.45
8.2.10.0040.00417.80
8.2.00.0110.00018.98
8.1.340.0130.00717.61
8.1.330.0150.00323.68
8.1.320.0090.01216.07
8.1.310.0150.00318.41
8.1.300.0060.00318.59
8.1.290.0030.00630.84
8.1.280.0110.00425.92
8.1.270.0080.00023.99
8.1.260.0100.00026.35
8.1.250.0080.00028.09
8.1.240.0070.00422.34
8.1.230.0030.00920.97
8.1.220.0000.00817.74
8.1.210.0030.00518.97
8.1.200.0030.00617.11
8.1.190.0040.00417.11
8.1.180.0040.00418.10
8.1.170.0000.00718.46
8.1.160.0000.00718.75
8.1.150.0000.00718.41
8.1.140.0050.00317.32
8.1.130.0040.00418.82
8.1.120.0040.00417.31
8.1.110.0050.00717.27
8.1.100.0070.00617.31
8.1.90.0080.00417.28
8.1.80.0070.00717.31
8.1.70.0100.00317.27
8.1.60.0120.00317.39
8.1.50.0130.00517.36
8.1.40.0160.00217.41
8.1.30.0060.01017.43
8.1.20.0100.00617.33
8.1.10.0090.01017.18
8.1.00.0110.00717.22
8.0.300.0000.00819.91
8.0.290.0000.00716.63
8.0.280.0040.00418.40
8.0.270.0040.00417.84
8.0.260.0030.00318.31
8.0.250.0040.00416.90
8.0.240.0090.00316.83
8.0.230.0090.00216.77
8.0.220.0080.00416.69
8.0.210.0080.00316.77
8.0.200.0080.00416.84
8.0.190.0070.00516.77
8.0.180.0130.00416.85
8.0.170.0140.00216.69
8.0.160.0120.00616.72
8.0.150.0150.00216.69
8.0.140.0100.00516.73
8.0.130.0100.00416.57
8.0.120.0080.00516.84
8.0.110.0050.00716.66
8.0.100.0040.00716.78
8.0.90.0060.00416.74
8.0.80.0070.00416.71
8.0.70.0060.00416.71
8.0.60.0060.00616.61
8.0.50.0110.00216.75
8.0.30.0060.00516.75
8.0.20.0050.00716.73
8.0.10.0070.00416.77
7.4.330.0050.00015.55
7.4.320.0030.00416.45
7.4.300.0050.00316.35
7.4.290.0130.00416.38
7.4.280.0140.00316.33
7.4.270.0150.00416.41
7.4.260.0120.00616.36
7.4.250.0090.00616.37
7.4.240.0060.00916.40
7.4.230.0100.00816.39
7.4.220.0120.00516.38
7.4.210.0090.00416.29
7.4.200.0100.00316.08
7.4.190.0100.00316.29
7.4.180.0060.00516.25
7.4.160.0130.00316.33
7.4.150.0090.00616.30
7.4.140.0090.00716.33
7.4.130.0120.00416.13
7.4.120.0140.00116.15
7.4.110.0070.00716.18
7.4.100.0130.00416.37
7.4.90.0100.00716.08
7.4.80.0130.00316.20
7.4.70.0110.00516.19
7.4.60.0150.00216.11
7.4.50.0100.00516.08
7.4.40.0130.00216.03
7.4.30.0100.00416.15
7.4.20.0110.00315.98
7.4.10.0060.00816.18
7.4.00.0080.00516.13

preferences:
30.88 ms | 403 KiB | 5 Q