3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = null; $b = 22; echo $a ?: $b;

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)
8.3.60.0100.00716.24
8.3.50.0130.00716.33
8.3.40.0160.00018.58
8.3.30.0060.00918.59
8.3.20.0040.00420.96
8.3.10.0040.00421.60
8.3.00.0030.00719.41
8.2.180.0100.01016.38
8.2.170.0140.00322.96
8.2.160.0100.00720.52
8.2.150.0090.00624.18
8.2.140.0030.00624.66
8.2.130.0040.00420.47
8.2.120.0050.00326.35
8.2.110.0030.00620.87
8.2.100.0170.00317.71
8.2.90.0080.00018.87
8.2.80.0030.00617.97
8.2.70.0060.00317.61
8.2.60.0000.00918.03
8.2.50.0040.00418.10
8.2.40.0040.00420.40
8.2.30.0030.00520.92
8.2.20.0040.00417.98
8.2.10.0000.00717.93
8.2.00.0040.00418.10
8.1.280.0140.00725.92
8.1.270.0080.00022.22
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0080.00023.88
8.1.230.0040.00717.77
8.1.220.0040.00417.74
8.1.210.0080.00018.77
8.1.200.0000.00817.23
8.1.190.0080.00017.35
8.1.180.0000.00718.10
8.1.170.0040.00418.44
8.1.160.0000.00718.95
8.1.150.0030.00618.63
8.1.140.0000.00819.47
8.1.130.0000.00718.87
8.1.120.0000.00717.34
8.1.110.0030.00517.43
8.1.100.0040.00417.45
8.1.90.0030.00317.34
8.1.80.0050.00517.41
8.1.70.0000.00717.34
8.1.60.0060.00317.61
8.1.50.0090.00017.55
8.1.40.0070.00417.48
8.1.30.0000.00817.55
8.1.20.0080.00017.66
8.1.10.0000.00717.51
8.1.00.0040.00417.43
8.0.300.0050.00218.77
8.0.290.0040.00416.63
8.0.280.0070.00018.36
8.0.270.0030.00517.18
8.0.260.0000.00618.50
8.0.250.0030.00316.90
8.0.240.0000.00716.98
8.0.230.0000.00716.91
8.0.220.0000.00716.75
8.0.210.0070.00016.84
8.0.200.0000.00716.93
8.0.190.0000.00816.92
8.0.180.0000.00716.76
8.0.170.0000.00716.90
8.0.160.0030.00316.84
8.0.150.0000.00716.91
8.0.140.0030.00316.89
8.0.130.0050.00213.31
8.0.120.0050.00216.82
8.0.110.0000.00716.82
8.0.100.0000.00816.98
8.0.90.0000.00816.84
8.0.80.0040.01316.88
8.0.70.0040.00416.79
8.0.60.0000.00716.70
8.0.50.0040.00416.82
8.0.30.0090.01017.25
8.0.20.0080.01117.40
8.0.10.0070.00016.80
8.0.00.0100.00716.79
7.4.330.0050.00015.55
7.4.320.0040.00416.56
7.4.300.0000.00616.50
7.4.290.0110.00016.57
7.4.280.0000.00916.48
7.4.270.0030.00316.63
7.4.260.0000.00613.26
7.4.250.0000.00716.46
7.4.240.0030.00316.65
7.4.230.0030.00316.63
7.4.220.0090.00916.36
7.4.210.0060.00916.55
7.4.200.0000.00716.32
7.4.160.0080.00916.31
7.4.150.0040.01417.40
7.4.140.0080.01317.86
7.4.130.0130.01016.47
7.4.120.0080.00916.35
7.3.330.0000.00513.12
7.3.320.0050.00013.17
7.3.310.0080.00016.03
7.3.300.0020.00516.08
7.3.290.0040.00416.21
7.3.280.0090.00816.19
7.3.270.0100.00717.40
7.3.260.0150.00716.20
7.3.250.0120.00516.35
7.3.240.0080.00916.32
7.0.150.2500.01014.23

preferences:
51.25 ms | 400 KiB | 5 Q