3v4l.org

run code in 300+ PHP versions simultaneously
<?php $z = 'bar'; $f = function ($y) use ($z) { echo $x ?? $y ?? $z; }; $f(null); $f('foo');

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)
8.3.60.0150.00318.43
8.3.50.0100.00719.66
8.3.40.0040.01118.71
8.3.30.0110.00820.87
8.3.20.0090.00422.02
8.3.10.0080.00522.62
8.3.00.0050.00921.26
8.2.180.0070.01018.41
8.2.170.0120.00322.96
8.2.160.0130.00221.06
8.2.150.0080.00623.57
8.2.140.0080.00323.81
8.2.130.0060.00524.56
8.2.120.0060.00521.31
8.2.110.0060.01022.05
8.2.100.0160.00919.30
8.2.90.0120.00719.20
8.2.80.0170.00419.19
8.2.70.0160.00619.16
8.2.60.0130.00619.14
8.2.50.0130.00519.24
8.2.40.0110.00519.42
8.2.30.0080.00719.47
8.2.20.0100.00719.15
8.2.10.0120.00518.98
8.2.00.0130.00518.97
8.1.280.0170.00325.92
8.1.270.0060.00824.32
8.1.260.0090.00525.04
8.1.250.0060.00525.91
8.1.240.0120.00321.33
8.1.230.0120.00519.12
8.1.220.0130.00619.01
8.1.210.0130.00719.50
8.1.200.0150.00418.90
8.1.190.0130.00619.54
8.1.180.0130.00518.98
8.1.170.0140.00519.18
8.1.160.0090.01019.28
8.1.150.0100.00719.67
8.1.140.0120.00519.44
8.1.130.0110.00518.52
8.1.120.0130.00418.56
8.1.110.0100.00618.51
8.1.100.0130.00418.60
8.1.90.0120.00518.56
8.1.80.0120.00518.53
8.1.70.0110.00518.59
8.1.60.0150.00618.69
8.1.50.0130.00418.59
8.1.40.0130.00518.66
8.1.30.0130.00618.67
8.1.20.0100.00718.54
8.1.10.0080.00818.51
8.1.00.0110.00518.44
8.0.300.0140.00319.14
8.0.290.0120.00518.61
8.0.280.0150.00418.95
8.0.270.0110.01018.58
8.0.260.0150.00318.06
8.0.250.0140.00518.12
8.0.240.0100.00918.11
8.0.230.0140.00518.17
8.0.220.0110.00518.03
8.0.210.0110.00618.07
8.0.200.0150.00418.14
8.0.190.0110.00718.10
8.0.180.0090.00518.10
8.0.170.0140.00318.10
8.0.160.0090.00618.11
8.0.150.0140.00417.85
8.0.140.0090.00717.86
8.0.130.0120.00417.48
8.0.120.0100.00617.40
8.0.110.0130.00417.39
8.0.100.0090.00617.38
8.0.90.0090.00617.40
8.0.80.0120.00417.41
8.0.70.0130.00417.37
8.0.60.0120.00517.41
8.0.50.0120.00817.37
8.0.30.0110.00517.35
8.0.20.0130.00617.39
8.0.10.0140.00417.47
8.0.00.0100.00817.70
7.4.330.0130.00316.67
7.4.320.0130.00617.84
7.4.300.0130.00517.86
7.4.290.0140.00317.83
7.4.280.0180.00317.82
7.4.270.0120.00617.66
7.4.260.0130.00617.69
7.4.250.0130.00417.16
7.4.240.0110.00517.22
7.4.230.0130.00417.17
7.4.220.0150.00517.42
7.4.210.0120.00617.37
7.4.200.0110.00517.36
7.4.190.0160.00317.33
7.4.180.0130.00417.28
7.4.160.0140.00517.18
7.4.150.0120.00617.09
7.4.140.0130.00517.19
7.4.130.0110.00616.96
7.4.120.0140.00617.13
7.4.110.0150.00616.98
7.4.100.0170.00417.07
7.4.90.0130.00616.92
7.4.80.0150.00717.18
7.4.70.0110.00616.89
7.4.60.0110.00616.87
7.4.50.0110.00616.90
7.4.40.0120.00616.88
7.4.30.0120.00616.96
7.4.20.0120.00716.96
7.4.10.0140.00616.82
7.4.00.0120.00516.66
7.3.330.0130.00417.06
7.3.320.0170.00216.63
7.3.310.0130.00516.98
7.3.300.0150.00416.96
7.3.290.0130.00616.90
7.3.280.0150.00516.79
7.3.270.0150.00617.05
7.3.260.0170.00516.82
7.3.250.0160.00616.79
7.3.240.0170.00516.84
7.3.230.0160.00616.95
7.3.220.0170.00616.89
7.3.210.0170.00716.80
7.3.200.0160.00716.80
7.3.190.0160.00516.82
7.3.180.0150.00516.83
7.3.170.0110.00816.81
7.3.160.0140.00516.82
7.3.150.0110.00916.85
7.3.140.0170.00416.83
7.3.130.0130.00716.66
7.3.120.0140.00616.68
7.3.110.0140.00616.64
7.3.100.0120.00716.57
7.3.90.0140.00616.80
7.3.80.0130.00616.68
7.3.70.0120.00716.69
7.3.60.0140.00516.43
7.3.50.0140.00516.47
7.3.40.0130.00416.43
7.3.30.0140.00516.43
7.3.20.0130.00717.54
7.3.10.0130.00717.50
7.3.00.0160.00517.51
7.2.340.0160.00617.20
7.2.330.0150.00616.96
7.2.320.0150.00616.90
7.2.310.0150.00516.88
7.2.300.0120.00716.89
7.2.290.0140.00616.81
7.2.280.0140.00616.93
7.2.270.0120.00716.88
7.2.260.0140.00616.75
7.2.250.0150.00616.70
7.2.240.0130.00716.80
7.2.230.0130.00816.75
7.2.220.0130.00816.75
7.2.210.0160.00616.77
7.2.200.0140.00716.85
7.2.190.0140.00616.58
7.2.180.0130.00716.58
7.2.170.0120.00816.57
7.2.160.0140.00716.58
7.2.150.0140.00817.78
7.2.140.0150.00617.77
7.2.130.0120.00817.72
7.2.120.0140.00617.72
7.2.110.0140.00717.55
7.2.100.0120.00817.73
7.2.90.0120.00717.67
7.2.80.0110.01017.71
7.2.70.0130.00617.71
7.2.60.0140.00617.55
7.2.50.0120.00717.68
7.2.40.0130.00717.72
7.2.30.0140.00617.70
7.2.20.0140.00617.68
7.2.10.0130.00817.66
7.2.00.0110.00817.81
7.1.330.0120.00817.07
7.1.320.0170.00517.00
7.1.310.0170.00417.11
7.1.300.0170.00516.88
7.1.290.0140.00616.90
7.1.280.0160.00716.89
7.1.270.0150.00716.89
7.1.260.0150.00516.87
7.1.250.0140.00716.74
7.1.240.0140.00716.71
7.1.230.0170.00616.87
7.1.220.0150.00716.83
7.1.210.0150.00816.84
7.1.200.0180.00616.75
7.1.190.0130.00716.80
7.1.180.0160.00516.86
7.1.170.0130.00616.87
7.1.160.0140.00516.84
7.1.150.0150.00616.82
7.1.140.0140.00616.85
7.1.130.0140.00516.83
7.1.120.0130.00616.85
7.1.110.0130.00616.86
7.1.100.0140.00616.95
7.1.90.0140.00716.85
7.1.80.0150.00616.84
7.1.70.0140.00716.82
7.1.60.0130.00817.02
7.1.50.0120.00716.85
7.1.40.0130.00716.82
7.1.30.0160.00616.83
7.1.20.0160.00516.80
7.1.10.0170.00616.81
7.1.00.0140.01117.15
7.0.330.0170.00516.65
7.0.320.0180.00516.70
7.0.310.0160.00616.67
7.0.300.0160.00616.64
7.0.290.0140.00716.69
7.0.280.0160.00616.66
7.0.270.0150.00516.68
7.0.260.0170.00416.69
7.0.250.0150.00616.74
7.0.240.0160.00616.74
7.0.230.0170.00616.78
7.0.220.0160.00616.70
7.0.210.0150.00716.71
7.0.200.0170.00516.60
7.0.190.0160.00716.70
7.0.180.0170.00616.71
7.0.170.0150.00716.75
7.0.160.0140.00816.68
7.0.150.0160.00816.70
7.0.140.0180.00516.71
7.0.130.0170.00516.68
7.0.120.0170.00416.73
7.0.110.0160.00516.64
7.0.100.0160.01016.92
7.0.90.0150.00816.93
7.0.80.0150.01216.85
7.0.70.0170.00816.90
7.0.60.0170.00816.87
7.0.50.0130.01016.87
7.0.40.0130.00916.92
7.0.30.0140.00816.95
7.0.20.0140.00816.89
7.0.10.0150.00916.92
7.0.00.0150.00916.90
5.6.400.0130.00616.03
5.6.390.0130.00815.99
5.6.380.0150.00816.01
5.6.370.0160.00316.00
5.6.360.0130.00815.97
5.6.350.0140.00716.02
5.6.340.0170.00416.04
5.6.330.0140.00716.03
5.6.320.0150.00616.00
5.6.310.0120.00916.03
5.6.300.0130.00815.96
5.6.290.0130.00715.96
5.6.280.0140.01116.30
5.6.270.0140.00716.02
5.6.260.0150.00615.97
5.6.250.0130.00916.31
5.6.240.0130.01216.32
5.6.230.0120.01316.31
5.6.220.0150.00816.35
5.6.210.0150.00916.30
5.6.200.0140.01116.40
5.6.190.0130.01116.33
5.6.180.0150.00916.38
5.6.170.0150.00816.29
5.6.160.0140.00916.38
5.6.150.0150.00916.37
5.6.140.0150.00816.35
5.6.130.0170.00716.35
5.6.120.0160.00816.40
5.6.110.0150.00816.32
5.6.100.0140.00816.32
5.6.90.0140.00916.33
5.6.80.0150.00716.28
5.6.70.0140.00716.32
5.6.60.0140.00916.25
5.6.50.0140.00816.21
5.6.40.0130.01016.25
5.6.30.0130.00916.28
5.6.20.0120.00816.25
5.6.10.0120.01016.26
5.6.00.0150.00816.20
5.5.380.0140.01016.24
5.5.370.0140.01016.31
5.5.360.0140.00916.24
5.5.350.0130.01016.23
5.5.340.0140.01016.25
5.5.330.0140.01016.23
5.5.320.0130.01016.25
5.5.310.0150.01016.25
5.5.300.0130.01416.28
5.5.290.0140.00916.28
5.5.280.0150.01016.27
5.5.270.0150.00916.33
5.5.260.0160.00816.25
5.5.250.0130.01016.24
5.5.240.0140.00916.26
5.5.230.0130.01116.17
5.5.220.0140.00916.27
5.5.210.0140.00916.27
5.5.200.0140.00916.17
5.5.190.0140.00916.15
5.5.180.0140.00916.13
5.5.170.0150.00815.89
5.5.160.0160.00716.16
5.5.150.0150.00916.13
5.5.140.0150.01016.16
5.5.130.0150.00816.13
5.5.120.0140.00916.08
5.5.110.0140.00916.18
5.5.100.0150.01016.13
5.5.90.0130.01116.20
5.5.80.0130.00916.14
5.5.70.0110.01316.19
5.5.60.0130.01216.17
5.5.50.0140.00816.20
5.5.40.0120.01316.22
5.5.30.0130.01116.22
5.5.20.0110.01416.20
5.5.10.0140.00616.17
5.5.00.0120.00916.11

preferences:
59.86 ms | 400 KiB | 5 Q