3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = NULL; $y = NULL; $z = 3; var_dump($x ?? $y ?? $z);

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)
8.3.70.0140.00016.49
8.3.60.0100.01016.38
8.3.50.0170.00321.21
8.3.40.0040.01118.45
8.3.30.0140.00018.69
8.3.20.0040.00420.16
8.3.10.0090.00023.61
8.3.00.0000.00819.56
8.2.190.0110.00616.58
8.2.180.0090.00616.38
8.2.170.0100.00722.96
8.2.160.0090.01220.55
8.2.150.0030.00524.18
8.2.140.0120.00424.66
8.2.130.0040.00426.16
8.2.120.0000.01117.63
8.2.110.0040.00721.12
8.2.100.0040.00817.72
8.2.90.0040.00419.22
8.2.80.0000.00817.97
8.2.70.0040.00417.63
8.2.60.0040.00417.80
8.2.50.0060.00318.07
8.2.40.0040.00419.29
8.2.30.0060.00319.84
8.2.20.0080.00017.49
8.2.10.0080.00017.86
8.2.00.0070.00018.03
8.1.280.0070.01025.92
8.1.270.0190.00020.20
8.1.260.0030.00526.35
8.1.250.0000.00828.09
8.1.240.0090.00023.92
8.1.230.0090.00317.45
8.1.220.0000.00817.74
8.1.210.0080.00018.77
8.1.200.0100.00017.23
8.1.190.0060.00317.22
8.1.180.0000.00818.10
8.1.170.0090.00018.51
8.1.160.0040.00421.86
8.1.150.0000.00718.79
8.1.140.0000.00817.22
8.1.130.0040.00417.62
8.1.120.0000.00717.45
8.1.110.0000.00817.43
8.1.100.0050.00317.38
8.1.90.0040.00417.35
8.1.80.0030.00517.39
8.1.70.0000.00717.32
8.1.60.0040.00417.41
8.1.50.0030.00517.35
8.1.40.0060.00317.44
8.1.30.0080.00417.57
8.1.20.0040.00417.41
8.1.10.0040.00417.50
8.1.00.0080.00017.47
8.0.300.0050.00218.77
8.0.290.0050.00216.63
8.0.280.0000.00718.38
8.0.270.0040.00417.20
8.0.260.0000.00717.09
8.0.250.0000.00816.89
8.0.240.0000.00716.76
8.0.230.0040.00416.92
8.0.220.0070.00016.85
8.0.210.0040.00416.70
8.0.200.0000.00816.92
8.0.190.0040.00416.95
8.0.180.0070.00016.79
8.0.170.0060.00316.78
8.0.160.0040.00416.85
8.0.150.0000.00816.63
8.0.140.0000.00916.78
8.0.130.0030.00313.30
8.0.120.0030.00616.75
8.0.110.0000.00716.80
8.0.100.0060.00316.61
8.0.90.0030.00516.62
8.0.80.0090.00616.84
8.0.70.0060.00316.82
8.0.60.0000.00716.70
8.0.50.0000.00816.88
8.0.30.0070.00916.74
8.0.20.0120.00617.40
8.0.10.0000.00717.01
8.0.00.0110.01116.64
7.4.330.0030.00315.08
7.4.320.0030.00316.52
7.4.300.0000.00616.52
7.4.290.0070.00016.57
7.4.280.0040.00416.52
7.4.270.0040.00416.46
7.4.260.0040.00416.33
7.4.250.0040.00416.42
7.4.240.0030.00316.45
7.4.230.0050.00316.43
7.4.220.0080.01216.28
7.4.210.0090.00616.39
7.4.200.0070.00016.43
7.4.160.0030.01316.40
7.4.150.0130.00617.40
7.4.140.0150.01017.86
7.4.130.0140.00516.29
7.4.120.0120.00516.63
7.4.110.0150.00316.50
7.4.100.0090.01216.33
7.4.90.0070.01016.52
7.4.80.0030.01319.39
7.4.70.0060.01216.46
7.4.60.0070.01116.31
7.4.50.0060.00316.14
7.4.40.0080.00816.45
7.4.30.0060.01316.54
7.4.00.0100.00715.05
7.3.330.0000.00513.03
7.3.320.0000.00513.15
7.3.310.0030.00316.02
7.3.300.0060.00016.18
7.3.290.0070.00816.11
7.3.280.0060.01016.15
7.3.270.0120.00617.40
7.3.260.0130.00616.25
7.3.250.0130.00416.14
7.3.240.0170.00616.45
7.3.230.0060.01016.39
7.3.210.0120.00616.08
7.3.200.0100.01016.37
7.3.190.0030.01716.20
7.3.180.0000.01616.04
7.3.170.0090.00916.44
7.3.160.0110.00816.27
7.3.10.0170.00416.45
7.3.00.0040.00816.46
7.2.330.0090.00916.14
7.2.320.0140.01016.66
7.2.310.0100.00716.15
7.2.300.0030.02016.69
7.2.290.0040.01616.59
7.2.130.0080.00816.38
7.2.120.0110.00316.57
7.2.110.0070.01016.50
7.2.100.0050.00516.05
7.2.90.0110.00016.53
7.2.80.0030.00716.54
7.2.70.0090.00316.50
7.2.60.0060.00816.69
7.2.50.0070.00716.63
7.2.40.0030.01016.61
7.2.30.0080.00416.66
7.2.20.0080.00816.41
7.2.10.0060.00616.70
7.2.00.0040.01117.90
7.1.250.0040.01215.30
7.1.200.0040.00415.49
7.1.100.0040.01518.22
7.1.70.0000.00717.13
7.1.60.0120.01220.03
7.1.50.0070.01617.01
7.1.00.0030.07322.33
7.0.200.0000.00816.56
7.0.60.0070.09019.89
7.0.50.0130.07017.78
7.0.40.0030.04320.05
7.0.30.0370.06720.34
7.0.20.0300.08020.11
7.0.10.0100.07020.01
7.0.00.0130.07720.34
5.6.280.0000.04720.77
5.6.210.0170.06320.72
5.6.200.0130.07018.15
5.6.190.0170.07320.48
5.6.180.0270.05320.61
5.6.170.0330.08020.47
5.6.160.0100.06320.61
5.6.150.0070.08318.18
5.6.140.0030.04018.18
5.6.130.0030.08318.17
5.6.120.0100.03721.09
5.6.110.0170.07020.95
5.6.100.0170.07021.08
5.6.90.0100.06320.97
5.6.80.0070.05720.37
5.5.350.0030.08320.40
5.5.340.0100.03718.05
5.5.330.0070.07320.37
5.5.320.3830.04020.30
5.5.310.0200.04320.23
5.5.300.0070.03318.04
5.5.290.0100.07717.99
5.5.280.0030.08720.79
5.5.270.0130.07720.85
5.5.260.0030.05320.84
5.5.250.0100.08020.46
5.5.240.0070.07720.18
5.4.450.0430.08019.42
5.4.440.0570.05319.39
5.4.430.0500.05719.41
5.4.420.0470.06019.54
5.4.410.0600.05319.42
5.4.400.0600.04719.02
5.4.390.0430.06718.95
5.4.380.0530.06019.20
5.4.370.0530.06319.11
5.4.360.0630.04719.07
5.4.350.0500.05319.25
5.4.340.0370.06719.25
5.4.320.0600.07719.09
5.4.310.0530.05318.95
5.4.300.0430.05719.24
5.4.290.0670.05019.24
5.4.280.0570.06019.23
5.4.270.0630.04319.08
5.4.260.0530.05718.91
5.4.250.0500.05019.02
5.4.240.0500.06018.77
5.4.230.0630.04719.19
5.4.220.0570.05019.05
5.4.210.0530.04719.15
5.4.200.0470.05718.80
5.4.190.0600.05319.20
5.4.180.0800.04719.23
5.4.170.0500.05019.23
5.4.160.0630.04019.20
5.4.150.0600.05319.22
5.4.140.0500.05016.52
5.4.130.0430.05316.41
5.4.120.0500.04716.39
5.4.110.0500.05316.25
5.4.100.0500.04316.63
5.4.90.0530.04016.52
5.4.80.0300.05716.56
5.4.70.0270.06716.61
5.4.60.0200.04016.19
5.4.50.0030.07016.43
5.4.40.0230.03716.33
5.4.30.0300.04016.53
5.4.20.0300.05716.56

preferences:
67.6 ms | 401 KiB | 5 Q