3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump($b ?? ($c ?? 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)
8.3.60.0110.00718.18
8.3.50.0070.01018.17
8.3.40.0100.01018.54
8.3.30.0070.00718.60
8.3.20.0040.00420.38
8.3.10.0040.00423.65
8.3.00.0090.00019.09
8.2.180.0040.01118.16
8.2.170.0120.00322.96
8.2.160.0100.00320.22
8.2.150.0050.00224.18
8.2.140.0040.00424.66
8.2.130.0080.00017.48
8.2.120.0000.00826.35
8.2.110.0090.00019.39
8.2.100.0040.00717.68
8.2.90.0000.00818.92
8.2.80.0000.00817.97
8.2.70.0030.00617.38
8.2.60.0000.00717.80
8.2.50.0060.00318.07
8.2.40.0040.00419.39
8.2.30.0070.00020.49
8.2.20.0090.00017.46
8.2.10.0040.00417.87
8.2.00.0000.00717.80
8.1.280.0070.00725.92
8.1.270.0040.00423.77
8.1.260.0070.00028.09
8.1.250.0000.00728.09
8.1.240.0060.00319.00
8.1.230.0110.00017.52
8.1.220.0030.00617.74
8.1.210.0000.00818.77
8.1.200.0060.00317.22
8.1.190.0060.00316.88
8.1.180.0000.00718.10
8.1.170.0040.00420.50
8.1.160.0000.00722.00
8.1.150.0000.00718.79
8.1.140.0000.00819.45
8.1.130.0000.00717.53
8.1.120.0070.00017.32
8.1.110.0040.00417.21
8.1.100.0070.00017.35
8.1.90.0050.00217.32
8.1.80.0000.00817.28
8.1.70.0070.00017.29
8.1.60.0050.00317.45
8.1.50.0080.00017.35
8.1.40.0110.00017.29
8.1.30.0040.00417.40
8.1.20.0070.00017.53
8.1.10.0040.00417.38
8.1.00.0060.00617.23
8.0.300.0040.00418.77
8.0.290.0000.00716.58
8.0.280.0030.00318.24
8.0.270.0030.00317.15
8.0.260.0040.00417.03
8.0.250.0070.00016.79
8.0.240.0000.00816.80
8.0.230.0000.00716.68
8.0.220.0040.00416.71
8.0.210.0030.00316.79
8.0.200.0030.00316.81
8.0.190.0040.00716.86
8.0.180.0040.00416.66
8.0.170.0030.00616.78
8.0.160.0050.00316.80
8.0.150.0030.00316.61
8.0.140.0040.00416.66
8.0.130.0030.00313.18
8.0.120.0080.00016.64
8.0.110.0040.00416.78
8.0.100.0050.00216.62
8.0.90.0040.00416.79
8.0.80.0070.01416.81
8.0.70.0000.00816.57
8.0.60.0030.00516.79
8.0.50.0050.00216.64
8.0.30.0020.01516.96
8.0.20.0070.01417.40
8.0.10.0000.00816.84
8.0.00.0130.00416.64
7.4.330.0050.00016.82
7.4.320.0060.00016.29
7.4.300.0000.00616.46
7.4.290.0000.00716.34
7.4.280.0040.00416.45
7.4.270.0040.00416.38
7.4.260.0030.00316.28
7.4.250.0040.00416.33
7.4.240.0040.00416.47
7.4.230.0030.00316.27
7.4.220.0060.01216.44
7.4.210.0080.00816.40
7.4.200.0040.00416.44
7.4.160.0060.00916.24
7.4.150.0090.00917.40
7.4.140.0120.01217.86
7.4.130.0120.00516.34
7.4.120.0110.00616.43
7.4.110.0140.00616.36
7.4.100.0100.01316.35
7.4.90.0150.00416.38
7.4.80.0060.01219.39
7.4.70.0080.00816.36
7.4.60.0070.00716.32
7.4.50.0080.00516.46
7.4.40.0120.00916.47
7.4.30.0080.01116.51
7.4.00.0030.00914.72
7.3.330.0020.00213.07
7.3.320.0030.00312.95
7.3.310.0000.00716.12
7.3.300.0000.00716.18
7.3.290.0040.00416.17
7.3.280.0130.00516.21
7.3.270.0090.00817.40
7.3.260.0150.00816.50
7.3.250.0060.01016.19
7.3.240.0100.00916.38
7.3.230.0060.01016.39
7.3.210.0090.00616.35
7.3.200.0030.01316.38
7.3.190.0130.00316.32
7.3.180.0070.01016.29
7.3.170.0100.00716.27
7.3.160.0030.01316.06
7.2.330.0090.00916.52
7.2.320.0070.01416.39
7.2.310.0000.01516.55
7.2.300.0030.01316.46
7.2.290.0140.00316.50
7.2.60.0090.00316.79
7.2.00.0060.00619.28
7.1.200.0000.01315.64
7.1.100.0070.00717.97
7.1.70.0050.00316.94
7.1.60.0090.01519.36
7.1.50.0000.02216.52
7.1.00.0030.07722.28
7.0.200.0070.00016.76
7.0.60.0100.08319.92
7.0.50.0000.04317.83
7.0.40.0100.08019.96
7.0.30.0530.06320.18
7.0.20.0300.07320.21
7.0.10.0070.08320.33
7.0.00.0100.08020.13
5.6.280.0000.06721.03
5.6.210.0070.07720.56
5.6.200.0070.03718.18
5.6.190.0130.07720.67
5.6.180.0500.08020.57
5.6.170.0300.05020.71
5.6.160.0100.05320.54
5.6.150.0030.06318.19
5.6.140.0070.07718.18
5.6.130.0000.05318.15
5.6.120.0100.05321.00
5.6.110.0100.08020.99
5.6.100.0130.08021.04
5.6.90.0070.08720.94
5.6.80.0170.07020.43
5.5.350.4100.04320.31
5.5.340.0000.04317.95
5.5.330.0100.08020.25
5.5.320.0130.06020.39
5.5.310.0330.07720.27
5.5.300.0070.03717.95
5.5.290.0100.08018.03
5.5.280.0130.06020.87
5.5.270.0070.07320.75
5.5.260.0170.07320.71
5.5.250.0070.03720.68
5.5.240.0270.07020.04

preferences:
51.88 ms | 400 KiB | 5 Q