3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump($b ?? null ?? 1); // 1 var_dump($b ?? (null ?? 1)); // 1 var_dump(($b ?? null) ?? 1); // 1

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)
8.3.60.0090.00918.55
8.3.50.0090.00922.00
8.3.40.0110.00318.67
8.3.30.0100.00318.77
8.3.20.0030.00520.25
8.3.10.0050.00223.70
8.3.00.0040.00419.13
8.2.180.0100.00618.29
8.2.170.0120.00618.90
8.2.160.0070.00722.96
8.2.150.0040.00425.66
8.2.140.0070.00024.66
8.2.130.0080.00017.50
8.2.120.0040.00426.35
8.2.110.0100.00722.08
8.2.100.0080.00417.80
8.2.90.0000.00819.09
8.2.80.0030.00517.97
8.2.70.0040.00417.50
8.2.60.0000.00817.91
8.2.50.0000.00818.07
8.2.40.0040.00419.21
8.2.30.0070.00020.52
8.2.20.0000.01017.66
8.2.10.0040.00417.88
8.2.00.0040.00417.93
8.1.280.0070.00725.92
8.1.270.0050.00323.96
8.1.260.0040.00428.09
8.1.250.0070.00028.09
8.1.240.0040.00423.83
8.1.230.0000.01117.52
8.1.220.0050.00317.74
8.1.210.0050.00318.77
8.1.200.0000.00817.23
8.1.190.0060.00417.13
8.1.180.0000.00818.10
8.1.170.0050.00218.71
8.1.160.0000.00721.90
8.1.150.0070.00018.80
8.1.140.0000.00819.48
8.1.130.0070.00017.57
8.1.120.0000.00717.23
8.1.110.0040.00417.32
8.1.100.0050.00217.21
8.1.90.0000.00817.32
8.1.80.0000.00817.19
8.1.70.0050.00217.20
8.1.60.0030.00617.50
8.1.50.0000.00917.49
8.1.40.0110.00317.37
8.1.30.0030.00617.57
8.1.20.0000.00817.47
8.1.10.0030.00517.45
8.1.00.0090.00317.35
8.0.300.0070.00018.77
8.0.290.0040.00416.75
8.0.280.0070.00018.23
8.0.270.0070.00017.11
8.0.260.0000.00617.14
8.0.250.0070.00016.79
8.0.240.0000.00716.88
8.0.230.0070.00016.84
8.0.220.0000.00716.84
8.0.210.0060.00016.71
8.0.200.0070.00016.84
8.0.190.0030.00716.90
8.0.180.0000.00716.76
8.0.170.0030.00516.83
8.0.160.0020.00516.83
8.0.150.0030.00316.75
8.0.140.0050.00316.80
8.0.130.0000.00613.21
8.0.120.0040.00416.77
8.0.110.0000.00716.81
8.0.100.0000.00816.73
8.0.90.0080.00016.75
8.0.80.0180.00416.70
8.0.70.0000.00716.64
8.0.60.0000.00916.64
8.0.50.0000.00716.80
8.0.30.0080.00916.93
8.0.20.0120.00917.40
8.0.10.0040.00416.90
8.0.00.0140.00716.70
7.4.330.0020.00216.69
7.4.320.0060.00016.32
7.4.300.0060.00016.48
7.4.290.0000.00716.46
7.4.280.0000.00716.46
7.4.270.0040.00416.46
7.4.260.0030.00316.37
7.4.250.0070.00016.47
7.4.240.0040.00416.49
7.4.230.0030.00316.26
7.4.220.0150.00416.27
7.4.210.0090.00816.56
7.4.200.0030.00516.54
7.4.160.0120.00416.36
7.4.150.0140.00417.40
7.4.140.0070.01417.86
7.4.130.0070.01016.46
7.4.120.0160.00816.46
7.4.110.0060.01616.36
7.4.100.0090.00916.37
7.4.90.0070.01016.35
7.4.80.0110.00819.39
7.4.70.0120.00916.47
7.4.60.0060.01016.28
7.4.50.0040.01116.40
7.4.40.0040.01416.50
7.4.30.0190.00416.46
7.4.00.0060.01014.97
7.3.330.0000.00512.97
7.3.320.0070.00013.11
7.3.310.0030.00316.11
7.3.300.0030.00316.25
7.3.290.0030.00316.11
7.3.280.0090.00816.30
7.3.270.0100.00717.40
7.3.260.0110.00716.45
7.3.250.0110.00616.37
7.3.240.0130.00616.26
7.3.230.0160.00016.39
7.3.210.0070.01116.30
7.3.200.0120.00316.08
7.3.190.0190.00016.24
7.3.180.0030.01416.33
7.3.170.0060.00916.27
7.3.160.0030.01316.35
7.3.10.0030.00916.38
7.3.00.0030.00716.76
7.2.330.0180.00016.63
7.2.320.0130.00616.47
7.2.310.0100.00616.57
7.2.300.0100.01316.73
7.2.290.0120.00616.30
7.2.130.0030.01016.76
7.2.120.0000.01416.63
7.2.110.0130.00316.75
7.2.100.0040.01116.84
7.2.90.0060.00916.49
7.2.80.0120.00416.88
7.2.70.0090.00616.91
7.2.60.0050.00716.84
7.2.50.0070.00416.92
7.2.40.0030.01016.79
7.2.30.0030.00716.55
7.2.20.0070.00716.93
7.2.10.0040.00716.89
7.2.00.0050.00818.03
7.1.250.0000.01115.65
7.1.200.0070.00315.52
7.1.100.0070.00418.06
7.1.70.0000.00816.76
7.1.60.0100.01419.36
7.1.50.0060.01516.70
7.1.00.0030.07722.30
7.0.200.0000.00816.57
7.0.60.0070.07720.07
7.0.50.0130.07317.79
7.0.40.0200.07020.07
7.0.30.0370.08320.18
7.0.20.0200.05720.17
7.0.10.0030.05320.18
7.0.00.0100.07320.09
5.6.280.0000.05321.09
5.6.210.0030.05720.47
5.6.200.0030.04018.16
5.6.190.0100.08020.46
5.6.180.0500.07320.64
5.6.170.0330.06320.49
5.6.160.0070.09320.55
5.6.150.0000.05718.18
5.6.140.0100.04718.18
5.6.130.0070.08018.28
5.6.120.0030.04321.03
5.6.110.0070.04720.96
5.6.100.0100.07721.04
5.6.90.0100.07721.01
5.6.80.0070.08020.39
5.5.350.3970.03320.41
5.5.340.0000.07717.96
5.5.330.0070.07720.30
5.5.320.0000.07720.27
5.5.310.0370.05720.34
5.5.300.0000.04017.98
5.5.290.0070.07017.92
5.5.280.0030.07720.86
5.5.270.0030.04720.97
5.5.260.0100.08020.96
5.5.250.0000.04320.43
5.5.240.0230.05720.06

preferences:
51.56 ms | 401 KiB | 5 Q