3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo $a ?? 5;

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)
8.3.60.0150.00616.63
8.3.50.0120.00721.92
8.3.40.0040.01118.71
8.3.30.0160.00018.59
8.3.20.0090.00020.27
8.3.10.0040.00423.67
8.3.00.0040.00419.25
8.2.180.0070.01418.29
8.2.170.0170.00322.96
8.2.160.0090.00620.38
8.2.150.0060.00324.18
8.2.140.0040.00424.66
8.2.130.0030.00619.23
8.2.120.0040.00426.35
8.2.110.0070.00322.25
8.2.100.0100.00317.72
8.2.90.0000.00819.12
8.2.80.0000.00817.97
8.2.70.0030.00717.63
8.2.60.0050.00517.91
8.2.50.0000.00918.07
8.2.40.0030.00619.23
8.2.30.0000.00720.53
8.2.20.0030.00717.70
8.2.10.0040.00417.92
8.2.00.0070.00017.86
8.1.280.0070.01125.92
8.1.270.0070.00322.05
8.1.260.0040.00428.09
8.1.250.0070.00028.09
8.1.240.0090.00023.89
8.1.230.0110.00019.14
8.1.220.0080.00017.74
8.1.210.0000.00818.77
8.1.200.0060.00317.10
8.1.190.0030.00617.11
8.1.180.0040.00418.10
8.1.170.0060.00318.70
8.1.160.0070.00021.98
8.1.150.0040.00418.67
8.1.140.0000.00819.47
8.1.130.0000.00717.47
8.1.120.0020.00517.34
8.1.110.0000.00717.21
8.1.100.0000.00717.29
8.1.90.0030.00317.37
8.1.80.0080.00017.29
8.1.70.0000.00817.18
8.1.60.0000.00817.35
8.1.50.0060.00317.27
8.1.40.0040.00817.43
8.1.30.0060.00317.45
8.1.20.0020.00517.48
8.1.10.0040.00417.35
8.1.00.0000.00817.38
8.0.300.0030.00518.77
8.0.290.0040.00416.63
8.0.280.0080.00018.38
8.0.270.0040.00417.18
8.0.260.0030.00317.19
8.0.250.0000.00616.93
8.0.240.0040.00416.89
8.0.230.0050.00216.84
8.0.220.0000.00816.67
8.0.210.0040.00416.71
8.0.200.0060.00616.79
8.0.190.0050.00216.83
8.0.180.0080.00016.78
8.0.170.0070.00316.66
8.0.160.0060.00316.76
8.0.150.0040.00416.73
8.0.140.0050.00316.75
8.0.130.0040.00413.15
8.0.120.0030.00516.69
8.0.110.0000.00716.81
8.0.100.0030.00516.74
8.0.90.0040.00416.73
8.0.80.0090.00616.78
8.0.70.0050.00216.63
8.0.60.0000.00716.70
8.0.50.0000.00716.54
8.0.30.0070.00917.10
8.0.20.0110.00917.40
8.0.10.0070.00016.73
8.0.00.0120.00616.62
7.4.330.0050.00016.77
7.4.320.0000.00616.28
7.4.300.0050.00216.31
7.4.290.0060.00016.46
7.4.280.0080.00016.25
7.4.270.0030.00316.44
7.4.260.0030.00316.32
7.4.250.0070.00016.26
7.4.240.0040.00316.46
7.4.230.0070.00016.27
7.4.220.0100.01416.57
7.4.210.0100.01016.43
7.4.200.0000.00716.55
7.4.160.0120.00316.32
7.4.150.0070.01017.40
7.4.140.0110.01117.86
7.4.130.0090.00816.48
7.4.120.0110.00616.36
7.4.110.0080.01216.40
7.4.100.0180.00316.35
7.4.90.0060.01316.45
7.4.80.0090.00919.39
7.4.70.0090.00616.31
7.4.60.0120.00316.44
7.4.50.0060.00816.48
7.4.40.0100.00616.56
7.4.30.0060.01616.36
7.4.00.0100.00714.61
7.3.330.0090.00013.03
7.3.320.0030.00313.12
7.3.310.0000.00716.29
7.3.300.0040.00316.10
7.3.290.0080.00816.14
7.3.280.0090.00716.17
7.3.270.0120.00917.40
7.3.260.0030.01316.44
7.3.250.0060.01316.32
7.3.240.0080.00916.41
7.3.230.0140.00316.39
7.3.210.0110.01116.14
7.3.200.0130.00416.48
7.3.190.0120.01216.13
7.3.180.0130.00316.43
7.3.170.0090.00916.42
7.3.160.0060.00916.17
7.3.10.0080.00816.67
7.3.00.0060.00616.58
7.2.330.0140.00716.54
7.2.320.0060.01616.26
7.2.310.0060.01416.25
7.2.300.0000.01616.46
7.2.290.0060.00916.35
7.2.130.0120.00616.95
7.2.120.0030.00916.85
7.2.110.0030.01316.85
7.2.100.0040.01116.60
7.2.90.0030.01416.55
7.2.80.0040.00916.98
7.2.70.0060.00616.66
7.2.60.0050.00816.88
7.2.50.0030.01016.86
7.2.40.0060.01216.75
7.2.30.0040.01116.69
7.2.20.0110.00416.83
7.2.10.0060.00316.64
7.2.00.0100.00717.93
7.1.250.0040.01115.63
7.1.200.0000.00915.46
7.1.100.0040.00418.06
7.1.70.0030.01217.17
7.1.60.0170.00719.36
7.1.50.0130.01016.51
7.1.00.0000.08022.45
7.0.200.0000.00716.34
7.0.60.0000.06719.96
7.0.50.0030.04017.90
7.0.40.0030.05020.20
7.0.30.0400.05020.06
7.0.20.0300.07020.33
7.0.10.0030.04320.00
7.0.00.0070.04720.09
5.6.280.0030.03321.11
5.6.210.0100.04720.49
5.6.200.0070.07018.20
5.6.190.0070.09020.33
5.6.180.0500.07020.48
5.6.170.0270.06020.45
5.6.160.0030.06320.54
5.6.150.0130.08018.18
5.6.140.0070.08018.15
5.6.130.0070.04718.27
5.6.120.0100.04021.14
5.6.110.0100.08720.97
5.6.100.0070.07021.09
5.6.90.0100.07321.07
5.6.80.0070.03720.48
5.5.350.3730.03720.38
5.5.340.0130.03018.04
5.5.330.0030.04320.40
5.5.320.0000.04020.20
5.5.310.0270.05020.27
5.5.300.0070.08017.98
5.5.290.0030.08318.05
5.5.280.0070.05320.61
5.5.270.0000.05020.63
5.5.260.0030.04020.76
5.5.250.0100.04320.61
5.5.240.0170.07320.15

preferences:
75.67 ms | 401 KiB | 5 Q