3v4l.org

run code in 300+ PHP versions simultaneously
<?php error_reporting(-1); $hello = $a['hello'] ?? $b['hi'] ?? $c['hello'] ?? null; print_r($hello);

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)
8.3.60.0070.01018.23
8.3.50.0120.00316.39
8.3.40.0070.00718.45
8.3.30.0110.00418.71
8.3.20.0080.00020.39
8.3.10.0040.00421.94
8.3.00.0080.00018.04
8.2.180.0160.00618.29
8.2.170.0040.01122.96
8.2.160.0040.01119.47
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0030.00617.63
8.2.110.0040.00420.38
8.2.100.0040.00817.78
8.2.90.0040.00419.09
8.2.80.0040.00417.97
8.2.70.0060.00317.60
8.2.60.0030.00517.93
8.2.50.0080.00018.10
8.2.40.0000.00719.35
8.2.30.0040.00420.69
8.2.20.0000.00817.67
8.2.10.0040.00418.17
8.2.00.0040.00418.04
8.1.280.0080.00825.92
8.1.270.0110.00422.16
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0060.00322.00
8.1.230.0060.00620.87
8.1.220.0000.00817.74
8.1.210.0060.00318.77
8.1.200.0030.00617.22
8.1.190.0000.00917.23
8.1.180.0050.00218.10
8.1.170.0080.00018.47
8.1.160.0050.00221.87
8.1.150.0040.00418.79
8.1.140.0080.00017.44
8.1.130.0000.00717.68
8.1.120.0000.00717.41
8.1.110.0080.00017.31
8.1.100.0040.00417.30
8.1.90.0040.00417.28
8.1.80.0040.00417.31
8.1.70.0070.00017.41
8.1.60.0000.00917.47
8.1.50.0030.00517.52
8.1.40.0060.00317.55
8.1.30.0080.00017.53
8.1.20.0000.00717.58
8.1.10.0040.00417.50
8.1.00.0000.00717.50
8.0.300.0040.00418.77
8.0.290.0000.00816.63
8.0.280.0070.00018.45
8.0.270.0070.00017.18
8.0.260.0060.00017.16
8.0.250.0040.00416.86
8.0.240.0040.00416.95
8.0.230.0030.00716.91
8.0.220.0030.00416.80
8.0.210.0000.00716.73
8.0.200.0000.00616.90
8.0.190.0040.00416.89
8.0.180.0030.00616.87
8.0.170.0030.00516.75
8.0.160.0000.00716.79
8.0.150.0030.00316.60
8.0.140.0080.00016.63
8.0.130.0030.00313.21
8.0.120.0070.00016.79
8.0.110.0040.00416.83
8.0.100.0000.00816.82
8.0.90.0070.00016.61
8.0.80.0050.01416.82
8.0.70.0000.00716.83
8.0.60.0080.00016.82
8.0.50.0040.00416.71
8.0.30.0080.01017.10
8.0.20.0130.00817.40
8.0.10.0040.00417.00
8.0.00.0050.01316.83
7.4.330.0000.00515.08
7.4.320.0030.00316.55
7.4.300.0030.00316.52
7.4.290.0050.00316.56
7.4.280.0000.00916.53
7.4.270.0040.00416.55
7.4.260.0090.00016.43
7.4.250.0000.00816.37
7.4.240.0050.00216.43
7.4.230.0000.00716.53
7.4.220.0050.01416.39
7.4.210.0060.00916.37
7.4.200.0000.00716.44
7.4.160.0100.00516.50
7.4.150.0130.00517.40
7.4.140.0130.00617.86
7.4.130.0100.00716.51
7.4.120.0090.00816.51
7.4.110.0090.00916.33
7.4.100.0150.00616.41
7.4.90.0100.00716.38
7.4.80.0140.00319.39
7.4.70.0060.01116.36
7.4.60.0060.01016.66
7.4.50.0000.00516.39
7.4.40.0060.01516.46
7.4.30.0030.01516.33
7.4.00.0030.01214.68
7.3.330.0000.00513.19
7.3.320.0000.00513.18
7.3.310.0000.00716.02
7.3.300.0030.00316.12
7.3.290.0080.00816.20
7.3.280.0070.01116.17
7.3.270.0110.00717.40
7.3.260.0030.02116.22
7.3.250.0070.01016.43
7.3.240.0170.00316.49
7.3.230.0030.01316.56
7.3.210.0070.01116.22
7.3.200.0130.00316.18
7.3.190.0060.00916.37
7.3.180.0030.01316.38
7.3.170.0060.01316.39
7.3.160.0100.00716.41
7.3.120.0070.01014.68
7.3.110.0090.00614.74
7.3.100.0000.01114.53
7.3.90.0100.00614.67
7.3.80.0030.01014.45
7.3.70.0120.00314.69
7.3.60.0000.01214.44
7.3.50.0000.01314.83
7.3.40.0120.00314.59
7.3.30.0090.00314.67
7.3.20.0100.00716.63
7.3.10.0080.00216.21
7.3.00.0020.01216.40
7.2.330.0070.01016.44
7.2.320.0100.00716.45
7.2.310.0110.00716.59
7.2.300.0150.01216.49
7.2.290.0130.01016.39
7.2.250.0110.00714.95
7.2.240.0070.01114.43
7.2.230.0000.01514.82
7.2.220.0030.01014.95
7.2.210.0060.00614.78
7.2.200.0030.00714.89
7.2.190.0000.00914.92
7.2.180.0110.00414.58
7.2.170.0100.00714.82
7.2.130.0060.00616.46
7.2.120.0150.00016.68
7.2.110.0040.00716.71
7.2.100.0070.00316.60
7.2.90.0110.00016.69
7.2.80.0000.01216.50
7.2.70.0070.00716.50
7.2.60.0020.01216.71
7.2.50.0030.00716.33
7.2.40.0040.00716.52
7.2.30.0100.00016.76
7.2.20.0070.00716.60
7.2.10.0080.00816.48
7.2.00.0050.00518.06
7.1.330.0030.01015.75
7.1.320.0040.01115.74
7.1.310.0040.00715.60
7.1.300.0080.00815.70
7.1.290.0150.00315.90
7.1.280.0030.01515.91
7.1.270.0070.00715.77
7.1.260.0070.00715.81
7.1.250.0090.00315.71
7.1.200.0000.01415.69
7.1.100.0000.01418.04
7.1.70.0030.00717.13
7.1.60.0100.01619.19
7.1.50.0000.01916.89
7.1.00.0100.06322.37
7.0.200.0000.00916.68
7.0.60.0030.07319.90
7.0.50.0170.06717.88
7.0.40.0100.04020.24
7.0.30.0230.04720.13
7.0.20.0300.07720.18
7.0.10.0030.08020.01
7.0.00.0030.07720.08
5.6.280.0100.06320.90
5.6.210.0030.06020.55
5.6.200.0130.08018.16
5.6.190.0000.04720.42
5.6.180.0130.07320.55
5.6.170.0170.05320.44
5.6.160.0100.05020.48
5.6.150.0100.07718.16
5.6.140.0030.06318.15
5.6.130.0000.04318.14
5.6.120.0100.06020.98
5.6.110.0030.04020.97
5.6.100.0030.08721.12
5.6.90.0100.03721.13
5.6.80.0100.06720.50
5.5.350.4400.03320.42
5.5.340.0170.04018.03
5.5.330.0070.08720.33
5.5.320.0270.04020.38
5.5.310.0330.07320.32
5.5.300.0030.08317.95
5.5.290.0070.07718.08
5.5.280.0030.04020.68
5.5.270.0030.07320.88
5.5.260.0100.08320.88
5.5.250.0030.04320.58
5.5.240.0030.09020.19
5.4.450.0230.05319.58
5.4.440.0100.07019.48
5.4.430.0200.05719.45
5.4.420.0330.04719.46
5.4.410.0300.07319.18
5.4.400.0300.06019.25
5.4.390.0170.06019.23
5.4.380.0200.05319.26
5.4.370.0230.05319.23
5.4.360.0230.07018.86
5.4.350.0130.06019.14
5.4.340.0170.05719.02
5.4.320.0200.05719.21
5.4.310.0230.04719.26
5.4.300.0300.04719.13
5.4.290.0230.05019.28
5.4.280.0200.05719.30
5.4.270.0230.05019.39
5.4.260.0230.06018.98
5.4.250.0300.04019.36
5.4.240.0170.05719.14
5.4.230.0230.04719.14
5.4.220.0130.06018.82
5.4.210.0300.04719.10
5.4.200.0230.05719.14
5.4.190.0270.05019.09
5.4.180.0300.04719.00
5.4.170.0130.06319.27
5.4.160.0200.06019.23
5.4.150.0230.05019.12
5.4.140.0170.06716.40
5.4.130.0230.05016.52
5.4.120.0170.07016.30
5.4.110.0230.05716.61
5.4.100.0230.04716.63
5.4.90.0300.04016.41
5.4.80.0270.04316.61
5.4.70.0130.05016.35
5.4.60.0330.04016.33
5.4.50.0200.07016.54
5.4.40.0200.05716.22
5.4.30.0030.03316.38
5.4.20.0070.06716.21
5.4.10.0370.05016.32

preferences:
49.37 ms | 400 KiB | 5 Q