3v4l.org

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

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)
8.3.60.0150.00616.37
8.3.50.0160.00521.24
8.3.40.0030.01418.59
8.3.30.0060.01018.47
8.3.20.0070.00720.16
8.3.10.0080.00023.50
8.3.00.0040.00423.70
8.2.180.0090.00618.16
8.2.170.0110.00422.96
8.2.160.0040.01520.35
8.2.150.0080.00024.18
8.2.140.0050.00324.66
8.2.130.0040.00421.02
8.2.120.0080.00026.35
8.2.110.0040.00722.21
8.2.100.0040.00818.04
8.2.90.0000.00818.79
8.2.80.0060.00317.97
8.2.70.0040.00417.34
8.2.60.0000.00917.80
8.2.50.0050.00318.07
8.2.40.0000.00722.50
8.2.30.0040.00420.67
8.2.20.0070.00017.77
8.2.10.0060.00318.10
8.2.00.0000.00717.91
8.1.280.0070.01425.92
8.1.270.0060.00324.02
8.1.260.0070.00028.09
8.1.250.0040.00428.09
8.1.240.0030.00623.98
8.1.230.0070.00417.64
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0060.00317.13
8.1.190.0050.00317.36
8.1.180.0040.00418.10
8.1.170.0040.00418.59
8.1.160.0040.00420.75
8.1.150.0000.00718.75
8.1.140.0000.00819.47
8.1.130.0000.00717.55
8.1.120.0040.00417.45
8.1.110.0020.00517.44
8.1.100.0040.00417.50
8.1.90.0040.00417.48
8.1.80.0030.00717.46
8.1.70.0030.00317.31
8.1.60.0070.00317.52
8.1.50.0070.00017.38
8.1.40.0000.00817.41
8.1.30.0040.00417.53
8.1.20.0040.00417.50
8.1.10.0030.00517.38
8.1.00.0040.00417.46
8.0.300.0070.00018.77
8.0.290.0070.00016.58
8.0.280.0000.00718.43
8.0.270.0030.00317.14
8.0.260.0000.00717.24
8.0.250.0040.00416.95
8.0.240.0000.00717.00
8.0.230.0000.00716.98
8.0.220.0070.00016.77
8.0.210.0030.00316.88
8.0.200.0000.00616.98
8.0.190.0000.00916.93
8.0.180.0000.00716.78
8.0.170.0000.00816.96
8.0.160.0040.00416.89
8.0.150.0030.00516.84
8.0.140.0070.00016.82
8.0.130.0040.00413.31
8.0.120.0080.00016.72
8.0.110.0040.00416.86
8.0.100.0000.00716.87
8.0.90.0070.00016.94
8.0.80.0120.00916.87
8.0.70.0000.00816.70
8.0.60.0040.00416.85
8.0.50.0030.00516.76
8.0.30.0100.01017.25
8.0.20.0100.00817.40
8.0.10.0040.00417.04
8.0.00.0060.01316.73
7.4.330.0050.00016.71
7.4.320.0030.00316.61
7.4.300.0030.00316.60
7.4.290.0040.00416.50
7.4.280.0040.00416.57
7.4.270.0030.00316.45
7.4.260.0030.00616.50
7.4.250.0070.00016.54
7.4.240.0000.00716.49
7.4.230.0070.00016.60
7.4.220.0090.00916.39
7.4.210.0130.00716.47
7.4.200.0050.00216.42
7.4.160.0040.01116.36
7.4.150.0250.01617.40
7.4.140.0120.01217.86
7.4.130.0110.00616.34
7.4.120.0160.00416.51
7.4.110.0130.00416.47
7.4.100.0000.01616.56
7.4.90.0090.00916.53
7.4.80.0120.00919.39
7.4.70.0160.00616.41
7.4.60.0070.00916.55
7.4.50.0070.00716.29
7.4.40.0000.01516.30
7.4.30.0030.01416.42
7.4.00.0080.00615.02
7.3.330.0000.00513.02
7.3.320.0060.00013.03
7.3.310.0070.00016.03
7.3.300.0070.00016.09
7.3.290.0130.00516.15
7.3.280.0100.00616.21
7.3.270.0100.00717.40
7.3.260.0030.01316.30
7.3.250.0070.01016.28
7.3.240.0060.01716.31
7.3.230.0030.01316.39
7.3.210.0070.01016.38
7.3.200.0160.00016.54
7.3.190.0160.00016.48
7.3.180.0050.01116.24
7.3.170.0170.00316.34
7.3.160.0160.00016.23
7.3.120.0030.01414.54
7.3.110.0070.01014.43
7.3.100.0070.00714.70
7.3.90.0070.00314.81
7.3.80.0030.00914.82
7.3.70.0080.00414.37
7.3.60.0030.00714.86
7.3.50.0000.01214.69
7.3.40.0060.00914.54
7.3.30.0130.00314.75
7.3.20.0000.01016.70
7.3.10.0000.01516.55
7.3.00.0040.00716.47
7.2.330.0080.00816.48
7.2.320.0060.01016.09
7.2.310.0120.00416.52
7.2.300.0130.00316.57
7.2.290.0060.00916.68
7.2.250.0030.01415.05
7.2.240.0100.01014.78
7.2.230.0070.01014.93
7.2.220.0040.01114.78
7.2.210.0040.01114.94
7.2.200.0130.00614.79
7.2.190.0070.00714.75
7.2.180.0130.00714.54
7.2.170.0100.00714.96
7.2.60.0040.01216.82
7.2.00.0040.01419.29
7.1.330.0080.00815.79
7.1.320.0040.01215.67
7.1.310.0080.00415.73
7.1.300.0090.00615.73
7.1.290.0030.01015.71
7.1.280.0110.00715.32
7.1.270.0040.00415.60
7.1.260.0120.00315.43
7.1.200.0090.00315.93
7.1.100.0070.00718.23
7.1.70.0040.00416.96
7.1.60.0030.01719.05
7.1.50.0120.00616.77
7.1.00.0000.08022.48
7.0.200.0200.00714.98
7.0.60.0100.06719.84
7.0.50.0030.08717.80
7.0.40.0070.04320.14
7.0.30.0300.08020.34
7.0.20.0330.04720.06
7.0.10.0070.07720.02
7.0.00.0070.07020.20
5.6.280.0030.07321.10
5.6.210.0130.07720.51
5.6.200.0030.08318.22
5.6.190.0030.09020.34
5.6.180.0230.07720.39
5.6.170.0270.08720.54
5.6.160.0070.05720.57
5.6.150.0000.08318.14
5.6.140.0130.06718.17
5.6.130.0100.03318.14
5.6.120.0100.05720.96
5.6.110.0030.04020.97
5.6.100.0070.07021.02
5.6.90.0030.08320.95
5.6.80.0130.06020.50
5.5.350.3800.03720.43
5.5.340.0100.07717.94
5.5.330.0000.06720.13
5.5.320.0300.07720.36
5.5.310.0270.07320.34
5.5.300.0070.08018.03
5.5.290.0070.04017.98
5.5.280.0070.05020.94
5.5.270.0100.03720.76
5.5.260.0070.04020.67
5.5.250.0030.07020.46
5.5.240.0300.06020.18

preferences:
30.3 ms | 401 KiB | 5 Q