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)
8.3.60.0090.01216.50
8.3.50.0150.00521.14
8.3.40.0140.00318.58
8.3.30.0070.01018.50
8.3.20.0090.00920.09
8.3.10.0000.00823.71
8.3.00.0040.00423.66
8.2.180.0140.00716.63
8.2.170.0140.00422.96
8.2.160.0060.01020.44
8.2.150.0050.00324.18
8.2.140.0000.00824.66
8.2.130.0080.00021.00
8.2.120.0000.00826.35
8.2.110.0030.00720.97
8.2.100.0060.00617.72
8.2.90.0080.00019.23
8.2.80.0040.00417.97
8.2.70.0050.00317.50
8.2.60.0060.00317.80
8.2.50.0060.00318.10
8.2.40.0030.00620.42
8.2.30.0000.00820.71
8.2.20.0080.00017.72
8.2.10.0070.00418.02
8.2.00.0040.00417.96
8.1.280.0090.00925.92
8.1.270.0040.00424.02
8.1.260.0040.00428.09
8.1.250.0050.00228.09
8.1.240.0040.00423.97
8.1.230.0070.00419.11
8.1.220.0020.00517.74
8.1.210.0030.00618.77
8.1.200.0030.00617.22
8.1.190.0040.00417.53
8.1.180.0000.00818.10
8.1.170.0040.00418.57
8.1.160.0040.00422.12
8.1.150.0000.00718.91
8.1.140.0040.00419.54
8.1.130.0000.00717.62
8.1.120.0080.00017.41
8.1.110.0030.00517.49
8.1.100.0040.00417.37
8.1.90.0020.00517.43
8.1.80.0040.00417.39
8.1.70.0000.00717.32
8.1.60.0030.00617.56
8.1.50.0000.00817.42
8.1.40.0040.00417.41
8.1.30.0040.00417.61
8.1.20.0050.00217.61
8.1.10.0070.00017.56
8.1.00.0090.00017.41
8.0.300.0000.00718.77
8.0.290.0070.00016.75
8.0.280.0000.00718.29
8.0.270.0000.00717.29
8.0.260.0030.00317.16
8.0.250.0000.00816.96
8.0.240.0030.00316.96
8.0.230.0030.00316.82
8.0.220.0000.00716.88
8.0.210.0000.00716.79
8.0.200.0030.00316.95
8.0.190.0080.00016.82
8.0.180.0000.00816.93
8.0.170.0040.00416.89
8.0.160.0050.00316.91
8.0.150.0040.00416.68
8.0.140.0000.00816.72
8.0.130.0080.00013.26
8.0.120.0080.00016.85
8.0.110.0040.00416.79
8.0.100.0000.00816.76
8.0.90.0000.00716.84
8.0.80.0100.00616.91
8.0.70.0070.00016.77
8.0.60.0000.00816.72
8.0.50.0030.00616.89
8.0.30.0080.01217.23
8.0.20.0080.01117.40
8.0.10.0000.00716.95
8.0.00.0060.01116.72
7.4.330.0000.00516.79
7.4.320.0040.00416.63
7.4.300.0000.00616.57
7.4.290.0000.00716.48
7.4.280.0060.00316.59
7.4.270.0030.00316.51
7.4.260.0070.00016.57
7.4.250.0050.00216.55
7.4.240.0030.00416.46
7.4.230.0000.00716.37
7.4.220.0030.02316.47
7.4.210.0070.00716.63
7.4.200.0030.00316.67
7.4.160.0100.00716.45
7.4.150.0100.00717.40
7.4.140.0110.00917.86
7.4.130.0100.01016.32
7.4.120.0080.01016.41
7.4.110.0070.01116.35
7.4.100.0110.01116.38
7.4.90.0130.00316.33
7.4.80.0060.01219.39
7.4.70.0120.00616.51
7.4.60.0060.00916.43
7.4.50.0070.01016.60
7.4.40.0170.00316.68
7.4.30.0060.01116.54
7.4.00.0080.00814.87
7.3.330.0050.00012.92
7.3.320.0000.00612.98
7.3.310.0030.00316.04
7.3.300.0000.00816.04
7.3.290.0120.00416.18
7.3.280.0080.00916.18
7.3.270.0070.01117.40
7.3.260.0070.01116.48
7.3.250.0100.00716.36
7.3.240.0080.00916.42
7.3.230.0120.00616.48
7.3.210.0120.00916.13
7.3.200.0080.00816.35
7.3.190.0090.01216.18
7.3.180.0090.00916.48
7.3.170.0090.01216.27
7.3.160.0080.00816.46
7.3.120.0060.00914.62
7.3.110.0070.01114.76
7.3.100.0060.00914.65
7.3.90.0030.01014.66
7.3.80.0090.00614.97
7.3.70.0070.00414.64
7.3.60.0040.00714.57
7.3.50.0100.00014.75
7.3.40.0110.00014.59
7.3.30.0030.01314.80
7.3.20.0050.00516.48
7.3.10.0090.00316.36
7.3.00.0090.00316.59
7.2.330.0060.01216.60
7.2.320.0030.01316.63
7.2.310.0080.00816.50
7.2.300.0000.01616.52
7.2.290.0090.00616.30
7.2.250.0070.01015.00
7.2.240.0060.01214.77
7.2.230.0070.01015.06
7.2.220.0120.00315.12
7.2.210.0090.00614.88
7.2.200.0000.01814.86
7.2.190.0060.00614.70
7.2.180.0030.00914.77
7.2.170.0060.00314.87
7.2.160.0000.01114.72
7.2.150.0070.01016.82
7.2.140.0070.00416.76
7.2.130.0070.00716.89
7.2.120.0040.01216.89
7.2.110.0100.00716.77
7.2.100.0000.01016.82
7.2.90.0030.01516.54
7.2.80.0140.00316.84
7.2.70.0000.01416.58
7.2.60.0050.00916.64
7.2.50.0060.00316.68
7.2.40.0060.00916.74
7.2.30.0070.00716.94
7.2.20.0030.00616.93
7.2.10.0030.01016.84
7.2.00.0050.01017.99
7.1.330.0140.00015.48
7.1.320.0030.01015.69
7.1.310.0060.00615.21
7.1.300.0050.00515.77
7.1.290.0040.00715.36
7.1.280.0100.00315.26
7.1.270.0120.00315.62
7.1.260.0040.01115.77
7.1.250.0060.00615.53
7.1.240.0100.00715.61
7.1.230.0060.01015.71
7.1.220.0060.00615.69
7.1.210.0150.00015.64
7.1.200.0060.00515.68
7.1.190.0000.01415.45
7.1.180.0030.01215.66
7.1.170.0000.01015.66
7.1.160.0040.01415.63
7.1.150.0030.01015.68
7.1.140.0080.00415.38
7.1.130.0030.00915.62
7.1.120.0030.00915.65
7.1.110.0030.01515.73
7.1.100.0070.00716.78
7.1.90.0030.00615.77
7.1.80.0070.00715.86
7.1.70.0040.00816.46
7.1.60.0100.00617.15
7.1.50.0050.00716.12
7.1.40.0060.00915.30
7.1.30.0100.00615.57
7.1.20.0030.01215.64
7.1.10.0060.00315.22
7.1.00.0070.04018.97
7.0.330.0060.00315.03
7.0.320.0040.00815.27
7.0.310.0030.01315.34
7.0.300.0030.00915.09
7.0.290.0070.01115.42
7.0.280.0040.00815.46
7.0.270.0000.01314.98
7.0.260.0130.00315.23
7.0.250.0060.00915.32
7.0.240.0030.01015.26
7.0.230.0000.01315.40
7.0.220.0080.00315.26
7.0.210.0030.01015.01
7.0.200.0220.00714.88
7.0.190.0070.00315.02
7.0.180.0060.00615.35
7.0.170.0040.01115.46
7.0.160.0000.01515.21
7.0.150.0000.00915.26
7.0.140.0030.01015.34
7.0.130.0060.00615.19
7.0.120.0070.00415.39
7.0.110.0030.00915.29
7.0.100.0030.01015.28
7.0.90.0070.00715.38
7.0.80.0070.00715.25
7.0.70.0000.01215.18
7.0.60.0090.04417.71
7.0.50.0060.02716.42
7.0.40.0100.04016.80
7.0.30.0150.03316.87
7.0.20.0180.04416.82
7.0.10.0070.04516.72
7.0.00.0050.02716.59
5.6.400.0030.00614.05
5.6.390.0080.00614.25
5.6.380.0040.00714.00
5.6.370.0040.01414.21
5.6.360.0040.01413.89
5.6.350.0070.01013.90
5.6.340.0120.00314.32
5.6.330.0070.01114.25
5.6.320.0070.01014.26
5.6.310.0000.01213.90
5.6.300.0110.00714.02
5.6.290.0030.01014.08
5.6.280.0050.02817.35
5.6.270.0070.00714.02
5.6.260.0030.00714.02
5.6.250.0000.01114.18
5.6.240.0030.01014.29
5.6.230.0040.01114.11
5.6.220.0040.01514.00
5.6.210.0100.03017.30
5.6.200.0050.04716.27
5.6.190.0040.02717.09
5.6.180.0130.04117.41
5.6.170.0160.04417.29
5.6.160.0080.04317.15
5.6.150.0020.05016.19
5.6.140.0080.04016.14
5.6.130.0070.02016.27
5.6.120.0020.03017.55
5.6.110.0080.02317.37
5.6.100.0070.04317.60
5.6.90.0050.02517.59
5.6.80.0120.02717.10
5.6.70.0000.01213.70
5.6.60.0060.00613.86
5.6.50.0030.00914.03
5.6.40.0030.01014.23
5.6.30.0100.00313.90
5.6.20.0000.01114.16
5.6.10.0100.00313.91
5.6.00.0030.00613.98
5.5.380.0040.00714.02
5.5.370.0040.01514.04
5.5.360.0080.00414.15
5.5.350.1400.02017.34
5.5.340.0050.04215.91
5.5.330.0090.03917.10
5.5.320.0170.04117.05
5.5.310.0120.03617.27
5.5.300.0020.03815.96
5.5.290.0050.04315.96
5.5.280.0070.02817.17
5.5.270.0060.02517.40
5.5.260.0070.04617.43
5.5.250.0100.04217.35
5.5.240.0120.03717.04
5.5.230.0070.01013.83
5.5.220.0040.00714.19
5.5.210.0030.00914.02
5.5.200.0050.00813.81
5.5.190.0040.00413.78
5.5.180.0040.00713.88
5.5.170.0040.00414.06
5.5.160.0000.01213.76
5.5.150.0000.00914.14
5.5.140.0070.00413.98
5.5.130.0100.00314.07
5.5.120.0120.00413.71
5.5.110.0040.00814.06
5.5.100.0000.00914.04
5.5.90.0040.00813.75
5.5.80.0070.00713.79
5.5.70.0040.01113.65
5.5.60.0040.01114.06
5.5.50.0080.00513.78
5.5.40.0060.00613.74
5.5.30.0030.01013.77
5.5.20.0110.00713.61
5.5.10.0060.00913.77
5.5.00.0070.01013.71

preferences:
52.02 ms | 401 KiB | 5 Q