3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = NULL; $y = NULL; $z = 3; var_dump($x ?? $y ?? $z); // int(3) $a = false; $b = true; var_dump($a ?? $b); // bool(false)

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)
8.3.110.0040.00420.94
8.3.100.0030.00616.75
8.3.90.0060.00318.21
8.3.80.0030.00618.14
8.3.70.0130.01016.63
8.3.60.0090.00618.05
8.3.50.0080.01521.05
8.3.40.0140.00018.51
8.3.30.0100.00319.09
8.3.20.0070.00020.21
8.3.10.0040.00423.70
8.3.00.0090.00019.09
8.2.230.0080.00022.58
8.2.220.0100.00024.06
8.2.210.0070.00726.77
8.2.200.0000.01018.16
8.2.190.0070.01116.58
8.2.180.0130.00618.29
8.2.170.0130.00618.74
8.2.160.0000.01422.96
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0080.00026.16
8.2.120.0040.00421.13
8.2.110.0040.00422.20
8.2.100.0060.00617.78
8.2.90.0090.00017.38
8.2.80.0080.00018.84
8.2.70.0080.00017.93
8.2.60.0000.00917.93
8.2.50.0050.00518.10
8.2.40.0080.00019.12
8.2.30.0040.00417.97
8.2.20.0030.00717.54
8.2.10.0020.00517.86
8.2.00.0050.00317.97
8.1.290.0060.00318.88
8.1.280.0060.01025.92
8.1.270.0080.00020.33
8.1.260.0040.00426.35
8.1.250.0050.00228.09
8.1.240.0070.00318.93
8.1.230.0120.00017.70
8.1.220.0000.00917.74
8.1.210.0030.00518.77
8.1.200.0090.00017.10
8.1.190.0060.00317.13
8.1.180.0030.00618.10
8.1.170.0040.00417.62
8.1.160.0000.00718.82
8.1.150.0080.00018.82
8.1.140.0070.00017.30
8.1.130.0000.00717.88
8.1.120.0040.00417.29
8.1.110.0000.00717.40
8.1.100.0000.00717.28
8.1.90.0030.00417.36
8.1.80.0000.00717.39
8.1.70.0040.00417.41
8.1.60.0030.00517.52
8.1.50.0000.00817.35
8.1.40.0000.00817.46
8.1.30.0080.00017.54
8.1.20.0040.00417.41
8.1.10.0070.00117.43
8.1.00.0000.00717.49
8.0.300.0040.00418.87
8.0.290.0000.00716.75
8.0.280.0030.00318.38
8.0.270.0040.00416.75
8.0.260.0070.00016.80
8.0.250.0030.00316.87
8.0.240.0040.00416.89
8.0.230.0030.00316.90
8.0.220.0030.00316.78
8.0.210.0060.00016.82
8.0.200.0030.00516.89
8.0.190.0070.00016.75
8.0.180.0040.00416.86
8.0.170.0000.00816.74
8.0.160.0080.00016.83
8.0.150.0000.00716.65
8.0.140.0000.00716.80
8.0.130.0030.00513.26
8.0.120.0000.00716.64
8.0.110.0040.00416.84
8.0.100.0040.00416.86
8.0.90.0080.00016.95
8.0.80.0060.00916.86
8.0.70.0040.00416.87
8.0.60.0000.00716.70
8.0.50.0070.00016.77
8.0.30.0060.01217.20
8.0.20.0160.00617.40
8.0.10.0000.00716.77
8.0.00.0100.00716.65
7.4.330.0050.00015.09
7.4.320.0030.00316.48
7.4.300.0000.00716.50
7.4.290.0000.00716.53
7.4.280.0040.00416.42
7.4.270.0000.00616.54
7.4.260.0030.00316.51
7.4.250.0040.00416.50
7.4.240.0070.00016.42
7.4.230.0030.00316.61
7.4.220.0070.01116.47
7.4.210.0060.00916.45
7.4.200.0000.00716.57
7.4.160.0100.01016.55
7.4.150.0060.01217.40
7.4.140.0140.00817.86
7.4.130.0040.01316.37
7.4.120.0110.01016.37
7.4.110.0090.00916.50
7.4.100.0160.00616.32
7.4.90.0170.00016.32
7.4.80.0120.01219.39
7.4.70.0120.00716.32
7.4.60.0090.00616.50
7.4.50.0000.00516.40
7.4.40.0060.00916.55
7.4.30.0120.00616.27
7.4.00.0080.00814.77
7.3.330.0040.00413.00
7.3.320.0030.00313.11
7.3.310.0000.00716.29
7.3.300.0060.00016.19
7.3.290.0070.01016.24
7.3.280.0090.00816.25
7.3.270.0160.00017.40
7.3.260.0170.00016.29
7.3.250.0090.01016.22
7.3.240.0120.00616.41
7.3.230.0180.00016.39
7.3.210.0090.01516.45
7.3.200.0090.01416.21
7.3.190.0060.00916.23
7.3.180.0120.00916.29
7.3.170.0110.00916.27
7.3.160.0100.00716.48
7.3.120.0030.01014.65
7.3.110.0100.00714.45
7.3.100.0040.01214.57
7.3.90.0030.01214.69
7.3.80.0060.01314.53
7.3.70.0090.00914.81
7.3.60.0080.00414.73
7.3.50.0110.00414.59
7.3.40.0070.01014.62
7.3.30.0110.00614.56
7.3.20.0060.00616.56
7.3.10.0100.00716.41
7.3.00.0120.01116.52
7.2.330.0050.01116.20
7.2.320.0060.00916.41
7.2.310.0060.01216.56
7.2.300.0100.01016.30
7.2.290.0130.01016.15
7.2.250.0130.00614.85
7.2.240.0070.01314.86
7.2.230.0060.01314.49
7.2.220.0120.00614.80
7.2.210.0070.00714.55
7.2.200.0100.00314.55
7.2.190.0040.01114.70
7.2.180.0040.01514.67
7.2.170.0100.00714.40
7.2.130.0090.00916.53
7.2.120.0080.00816.46
7.2.110.0210.00616.24
7.2.100.0150.00416.70
7.2.90.0110.00716.49
7.2.80.0040.01116.34
7.2.70.0110.00616.49
7.2.60.0110.00416.69
7.2.50.0130.00716.38
7.2.40.0120.00616.42
7.2.30.0140.00316.57
7.2.20.0130.00716.47
7.2.10.0100.00516.20
7.2.00.0090.01117.74
7.1.330.0040.01115.57
7.1.320.0120.00615.52
7.1.310.0030.01315.81
7.1.300.0080.00615.43
7.1.290.0140.00415.71
7.1.280.0170.00715.56
7.1.270.0090.00315.71
7.1.260.0060.00615.36
7.1.250.0120.00715.07
7.1.200.0000.01415.61
7.1.100.0000.01718.09
7.1.70.0030.00517.07
7.1.60.0040.01819.86
7.1.50.0180.00716.81
7.1.00.0070.07322.43
7.0.200.0750.00014.40
7.0.60.0030.08720.05
7.0.50.0030.04017.88
7.0.40.0300.05720.09
7.0.30.0570.06720.14
7.0.20.0270.04320.21
7.0.10.0030.04320.21
7.0.00.0070.06720.18
5.6.280.0030.07321.06
5.6.210.0070.07020.74
5.6.200.0130.07018.15
5.6.190.0030.08020.64
5.6.180.0230.05020.52
5.6.170.0230.04320.53
5.6.160.0170.07020.55
5.6.150.0130.06318.17
5.6.140.0100.03318.18
5.6.130.0000.05718.15
5.6.120.0170.03021.11
5.6.110.0100.08021.13
5.6.100.0070.07720.99
5.6.90.0070.04020.97
5.6.80.0030.08020.39
5.6.70.4270.03320.27
5.5.350.0170.05720.32
5.5.340.0030.08717.99
5.5.330.0070.03720.40
5.5.320.0370.05720.30
5.5.310.0230.05020.24
5.5.300.0070.06017.95
5.5.290.0030.08718.08
5.5.280.0030.05320.76
5.5.270.0070.07020.70
5.5.260.0100.07720.79
5.5.250.0070.08720.47
5.5.240.0200.03720.26
5.4.450.0370.07019.46
5.4.440.0230.04719.39
5.4.430.0300.07019.27
5.4.420.0300.05319.47
5.4.410.0300.04719.04
5.4.400.0270.07019.23
5.4.390.0300.07319.26
5.4.380.0270.08019.17
5.4.370.0270.05319.22
5.4.360.0330.04719.31
5.4.350.0230.07019.00
5.4.340.0370.06318.87
5.4.320.0330.03319.24
5.4.310.0300.04319.13
5.4.300.0230.06319.06
5.4.290.0400.03718.87
5.4.280.0300.04718.84
5.4.270.0300.06319.13
5.4.260.0300.07018.87
5.4.250.0270.04719.19
5.4.240.0270.07719.24
5.4.230.0270.05319.24
5.4.220.0400.05719.21
5.4.210.0270.05018.86
5.4.200.0230.05319.13
5.4.190.0200.08318.86
5.4.180.0230.06318.83
5.4.170.0300.06018.97
5.4.160.0200.05319.06
5.4.150.0330.06319.20
5.4.140.0330.05016.67
5.4.130.0370.05716.33
5.4.120.0270.06016.50
5.4.110.0330.06716.45
5.4.100.0330.06016.40
5.4.90.0300.06716.46
5.4.80.0270.06016.48
5.4.70.0300.05316.44
5.4.60.0230.07316.26
5.4.50.0230.04716.56
5.4.40.0230.04716.48
5.4.30.0300.06716.25
5.4.20.0230.07316.55
5.4.10.0330.04016.53
5.4.00.0330.06015.80
5.3.290.0270.07014.52
5.3.280.0300.03314.44
5.3.270.0300.06714.66
5.3.260.0270.07714.56
5.3.250.0300.05714.50
5.3.240.0330.05014.46
5.3.230.0200.05014.54
5.3.220.0200.04014.41
5.3.210.0230.06314.52
5.3.200.0400.05314.43
5.3.190.0270.04714.51
5.3.180.0330.05314.41
5.3.170.0270.03314.41
5.3.160.0300.06314.61
5.3.150.0330.05314.44
5.3.140.0300.06714.43
5.3.130.0370.06714.41
5.3.120.0270.06714.38
5.3.110.0230.07714.48
5.3.100.0330.06014.16
5.3.90.0300.06313.96
5.3.80.0200.04013.81
5.3.70.0270.07014.00
5.3.60.0230.03313.96
5.3.50.0200.03713.96
5.3.40.0270.07013.79
5.3.30.0270.06713.93
5.3.20.0230.04013.55
5.3.10.0270.07013.46
5.3.00.0370.06713.41
5.2.170.0200.02712.25
5.2.160.0200.06012.25
5.2.150.0170.04712.25
5.2.140.0230.04312.25
5.2.130.0230.02712.25
5.2.120.0200.05012.25
5.2.110.0200.03012.25
5.2.100.0100.04312.25
5.2.90.0270.04012.25
5.2.80.0230.03712.25
5.2.70.0200.05012.25
5.2.60.0270.03312.25
5.2.50.0330.03012.25
5.2.40.0200.06012.25
5.2.30.0170.03712.25
5.2.20.0230.05012.25
5.2.10.0230.05312.25
5.2.00.0230.03012.25
5.1.60.0370.02312.25
5.1.50.0200.05012.25
5.1.40.0230.03312.25
5.1.30.0200.05012.25
5.1.20.0100.04012.25
5.1.10.0200.02712.25
5.1.00.0170.02312.25
5.0.50.0100.02712.25
5.0.40.0100.04012.25
5.0.30.0070.06012.25
5.0.20.0130.02012.25
5.0.10.0100.03312.25
5.0.00.0100.04712.25
4.4.90.0070.03012.25
4.4.80.0100.02012.25
4.4.70.0100.03312.25
4.4.60.0070.03712.25
4.4.50.0030.02712.25
4.4.40.0070.05012.25
4.4.30.0070.02012.25
4.4.20.0130.03012.25
4.4.10.0130.02012.25
4.4.00.0070.04312.25
4.3.110.0100.02312.25
4.3.100.0100.03712.25
4.3.90.0170.01012.25
4.3.80.0130.04312.25
4.3.70.0100.02312.25
4.3.60.0070.02012.25
4.3.50.0070.03712.25
4.3.40.0070.05012.25
4.3.30.0030.02312.25
4.3.20.0030.03312.25
4.3.10.0070.03712.25
4.3.00.0070.03312.25

preferences:
33.47 ms | 403 KiB | 5 Q