3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo; $bar; $baz = 2; echo($foo ?? $bar ?? $baz); echo((isset($foo) && $foo !== null) ? $foo : ((isset($bar) && $bar !== null) ? $bar : $baz));

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)
8.3.60.0110.01116.50
8.3.50.0100.01016.64
8.3.40.0120.00318.73
8.3.30.0040.01118.54
8.3.20.0070.01120.22
8.3.10.0040.00423.66
8.3.00.0040.00423.56
8.2.180.0180.00016.63
8.2.170.0100.00722.96
8.2.160.0160.00019.20
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0080.00020.90
8.2.120.0040.00426.35
8.2.110.0050.00522.08
8.2.100.0040.00818.05
8.2.90.0040.00419.26
8.2.80.0000.00917.97
8.2.70.0060.00317.50
8.2.60.0030.00518.04
8.2.50.0000.00818.07
8.2.40.0080.00022.38
8.2.30.0070.00020.67
8.2.20.0000.00717.59
8.2.10.0070.00318.05
8.2.00.0030.00317.95
8.1.280.0100.00725.92
8.1.270.0060.00323.96
8.1.260.0070.00028.09
8.1.250.0050.00228.09
8.1.240.0000.00923.83
8.1.230.0110.00017.71
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0040.00617.35
8.1.190.0020.00517.22
8.1.180.0040.00418.10
8.1.170.0030.00518.64
8.1.160.0040.00420.79
8.1.150.0040.00418.89
8.1.140.0060.00319.63
8.1.130.0040.00417.75
8.1.120.0030.00317.34
8.1.110.0050.00317.41
8.1.100.0000.00717.46
8.1.90.0070.00017.51
8.1.80.0070.00317.29
8.1.70.0030.00317.42
8.1.60.0100.00017.50
8.1.50.0080.00017.34
8.1.40.0000.00817.57
8.1.30.0040.00417.69
8.1.20.0000.00717.47
8.1.10.0000.00717.48
8.1.00.0070.00317.33
8.0.300.0040.00418.77
8.0.290.0030.00616.75
8.0.280.0030.00318.44
8.0.270.0000.00717.25
8.0.260.0040.00417.20
8.0.250.0000.00816.91
8.0.240.0000.00716.91
8.0.230.0030.00316.91
8.0.220.0000.00716.81
8.0.210.0000.00816.89
8.0.200.0060.00016.91
8.0.190.0030.00616.85
8.0.180.0040.00416.83
8.0.170.0000.00816.96
8.0.160.0000.00816.93
8.0.150.0050.00316.84
8.0.140.0040.00416.75
8.0.130.0000.00613.32
8.0.120.0040.00416.90
8.0.110.0040.00416.89
8.0.100.0040.00416.79
8.0.90.0030.00316.71
8.0.80.0100.00616.77
8.0.70.0000.00816.89
8.0.60.0060.00316.75
8.0.50.0000.00916.85
8.0.30.0090.01117.05
8.0.20.0110.01317.40
8.0.10.0040.00416.83
8.0.00.0090.01116.92
7.4.330.0040.00016.69
7.4.320.0020.00516.58
7.4.300.0030.00316.34
7.4.290.0040.00416.50
7.4.280.0000.00916.47
7.4.270.0040.00416.59
7.4.260.0000.00716.37
7.4.250.0030.00316.36
7.4.240.0070.00016.46
7.4.230.0070.00016.49
7.4.220.0150.00316.60
7.4.210.0120.00316.46
7.4.200.0030.00316.29
7.4.160.0030.01216.23
7.4.150.0110.00817.40
7.4.140.0170.00217.86
7.4.130.0120.00516.31
7.4.120.0070.01116.30
7.4.110.0070.01016.47
7.4.100.0070.01016.34
7.4.90.0100.00716.63
7.4.80.0100.01019.39
7.4.70.0090.01316.30
7.4.60.0090.00916.39
7.4.50.0070.01116.12
7.4.40.0030.01316.41
7.4.30.0100.01316.21
7.4.00.0000.01415.01
7.3.330.0030.00312.99
7.3.320.0050.00013.05
7.3.310.0030.00316.25
7.3.300.0000.00716.23
7.3.290.0070.00916.23
7.3.280.0080.01016.18
7.3.270.0140.00617.40
7.3.260.0100.00616.55
7.3.250.0060.01116.33
7.3.240.0110.00516.28
7.3.230.0060.01016.39
7.3.210.0130.00416.28
7.3.200.0090.01216.24
7.3.190.0090.00916.33
7.3.180.0070.01416.20
7.3.170.0140.00716.31
7.3.160.0030.01316.24
7.2.330.0070.01116.59
7.2.320.0090.00616.52
7.2.310.0040.01216.41
7.2.300.0060.01116.23
7.2.290.0000.01716.50
7.2.60.0070.01016.58
7.2.00.0000.01319.13
7.1.200.0000.01315.45
7.1.100.0060.00317.82
7.1.70.0030.00917.09
7.1.60.0060.01619.05
7.1.50.0040.01516.97
7.1.00.0070.07322.44
7.0.200.0440.00714.75
7.0.60.0170.07020.02
7.0.50.0030.06017.78
7.0.40.0070.07720.40
7.0.30.1600.04720.18
7.0.20.0330.07020.01
7.0.10.0130.08020.30
7.0.00.0030.09020.10
5.6.280.0000.07721.07
5.6.210.0030.08320.59
5.6.200.0070.08718.13
5.6.190.0070.07720.44
5.6.180.0300.07320.61
5.6.170.0170.06320.55
5.6.160.0000.06720.50
5.6.150.0130.06318.15
5.6.140.0000.08718.15
5.6.130.0070.07718.15
5.6.120.0100.08320.99
5.6.110.0030.04021.01
5.6.100.0000.04721.11
5.6.90.0030.08320.97
5.6.80.0130.08020.40
5.5.350.3900.04320.38
5.5.340.0170.07017.97
5.5.330.0100.06320.40
5.5.320.0230.04320.27
5.5.310.0270.03320.23
5.5.300.0030.08317.94
5.5.290.0070.08317.95
5.5.280.0000.08020.72
5.5.270.0070.03720.86
5.5.260.0000.04320.70
5.5.250.0070.07720.77
5.5.240.0130.07720.25

preferences:
51.51 ms | 400 KiB | 5 Q