3v4l.org

run code in 300+ PHP versions simultaneously
<?php class OutputClass { private $x = "I'm not sure why,"; const x = ' would I ever want this?'; function foo() { echo $this->x; echo self::x; } } $test = new OutputClass(); $test->foo();

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)
8.3.60.0110.00716.38
8.3.50.0120.00318.00
8.3.40.0090.00618.85
8.3.30.0030.01018.96
8.3.20.0040.00420.31
8.3.10.0050.00223.47
8.3.00.0060.00320.77
8.2.180.0090.00616.63
8.2.170.0120.00622.96
8.2.160.0100.00720.52
8.2.150.0030.00624.18
8.2.140.0030.00524.66
8.2.130.0120.00926.16
8.2.120.0040.00422.13
8.2.110.0090.00020.93
8.2.100.0040.00817.72
8.2.90.0030.00519.27
8.2.80.0080.00017.97
8.2.70.0030.00517.25
8.2.60.0000.00818.16
8.2.50.0030.00618.07
8.2.40.0050.00318.34
8.2.30.0080.00417.93
8.2.20.0040.00417.50
8.2.10.0050.00317.70
8.2.00.0000.00817.67
8.1.270.0090.00023.73
8.1.260.0050.00226.35
8.1.250.0040.00428.09
8.1.240.0100.00022.14
8.1.230.0040.00717.70
8.1.220.0050.00517.74
8.1.210.0030.00618.77
8.1.200.0030.00717.23
8.1.190.0050.00317.28
8.1.180.0080.00018.10
8.1.170.0080.00018.58
8.1.160.0030.00621.91
8.1.150.0000.00818.57
8.1.140.0000.00717.43
8.1.130.0070.00017.73
8.1.120.0000.00817.32
8.1.110.0050.00317.26
8.1.100.0000.00717.41
8.1.90.0080.00017.34
8.1.80.0040.00417.34
8.1.70.0070.00017.26
8.1.60.0000.00817.60
8.1.50.0050.00317.50
8.1.40.0040.00417.52
8.1.30.0000.00817.63
8.1.20.0040.00417.59
8.1.10.0000.00717.60
8.1.00.0000.00717.50
8.0.300.0000.00718.77
8.0.290.0000.00816.63
8.0.280.0050.00318.36
8.0.270.0030.00317.16
8.0.260.0030.00316.80
8.0.250.0000.00716.91
8.0.240.0030.00316.98
8.0.230.0040.00416.87
8.0.220.0000.00616.86
8.0.210.0030.00316.84
8.0.200.0030.00316.86
8.0.190.0040.00416.86
8.0.180.0040.00416.74
8.0.170.0070.00016.89
8.0.160.0070.00016.81
8.0.150.0000.00716.78
8.0.140.0060.00316.71
8.0.130.0000.00513.24
8.0.120.0040.00416.82
8.0.110.0030.00516.73
8.0.100.0030.00516.72
8.0.90.0040.00416.77
8.0.80.0030.01416.77
8.0.70.0000.00716.86
8.0.60.0030.00616.78
8.0.50.0040.00416.84
8.0.30.0070.01217.23
8.0.20.0090.00917.40
8.0.10.0080.00017.01
8.0.00.0130.00816.77
7.4.330.0050.00015.00
7.4.320.0060.00016.54
7.4.300.0060.00016.50
7.4.290.0030.00316.56
7.4.280.0030.00516.57
7.4.270.0000.00716.49
7.4.260.0030.00316.48
7.4.250.0050.00216.57
7.4.240.0020.00516.52
7.4.230.0030.00316.52
7.4.220.0060.01316.58
7.4.210.0090.00716.55
7.4.200.0070.00016.62
7.4.190.0000.00716.70
7.4.160.0110.00716.44
7.4.150.0060.01617.40
7.4.140.0020.01617.86
7.4.130.0140.00316.32
7.4.120.0090.01116.51
7.4.110.0060.00916.55
7.4.100.0190.00316.55
7.4.90.0070.01016.49
7.4.80.0000.01716.55
7.4.70.0090.00616.50
7.4.60.0120.00616.63
7.4.50.0030.00316.46
7.4.40.0060.00922.77
7.4.30.0100.00616.60
7.4.00.0000.01515.12
7.3.330.0030.00213.09
7.3.320.0000.00513.09
7.3.310.0000.00716.32
7.3.300.0030.00316.23
7.3.290.0030.01316.11
7.3.280.0070.00916.26
7.3.270.0070.01017.40
7.3.260.0140.00316.38
7.3.250.0090.00816.26
7.3.240.0100.00716.48
7.3.230.0070.01016.39
7.3.210.0100.00616.30
7.3.200.0090.00819.39
7.3.190.0150.00316.32
7.3.180.0110.00616.30
7.3.170.0060.01016.40
7.3.160.0050.01116.39
7.3.120.0000.01514.50
7.3.110.0070.00714.76
7.3.100.0050.00514.46
7.3.90.0000.01114.79
7.3.80.0030.00814.49
7.3.70.0040.00714.69
7.3.60.0050.00514.69
7.3.50.0000.01514.73
7.3.40.0030.01014.78
7.3.30.0070.00714.52
7.3.20.0080.00416.50
7.3.10.0000.01516.36
7.3.00.0030.01016.72
7.2.330.0070.01016.46
7.2.320.0030.01316.35
7.2.310.0040.01616.45
7.2.300.0110.00416.55
7.2.290.0070.01016.33
7.2.240.0030.00614.98
7.2.230.0080.00414.76
7.2.220.0040.01114.98
7.2.210.0030.00915.28
7.2.200.0040.00814.90
7.2.190.0040.00415.10
7.2.180.0070.00314.91
7.2.170.0000.01014.76
7.2.160.0080.00415.05
7.2.150.0060.01016.82
7.2.140.0070.00716.72
7.2.130.0070.01016.81
7.2.120.0030.01016.85
7.2.110.0030.01316.82
7.2.100.0000.01017.05
7.2.90.0030.01016.84
7.2.80.0080.00317.08
7.2.70.0060.00616.66
7.2.60.0030.01416.51
7.2.50.0030.00716.66
7.2.40.0030.01016.86
7.2.30.0000.01516.80
7.2.20.0060.00316.79
7.2.10.0060.00616.82
7.2.00.0060.00618.11
7.1.330.0040.00715.67
7.1.320.0100.00315.71
7.1.310.0050.00515.77
7.1.300.0090.00315.76
7.1.290.0100.00315.59
7.1.280.0030.01015.70
7.1.270.0040.00815.41
7.1.260.0040.00415.38
7.1.250.0070.00315.55
7.1.200.0060.00615.46
7.1.100.0050.00517.94
7.1.70.0110.00416.48
7.1.60.0090.01519.29
7.1.50.0110.01416.94
7.1.00.0030.07722.48
7.0.200.0030.00616.60
7.0.140.0000.07721.99
7.0.60.0030.08719.79
7.0.50.0130.07317.86
7.0.40.0100.08020.19
7.0.30.0200.04020.24
7.0.20.0300.07320.12
7.0.10.0230.04020.23
7.0.00.0070.04320.33
5.6.280.0030.07321.11
5.6.210.0030.07020.71
5.6.200.0070.04018.18
5.6.190.0070.08320.75
5.6.180.0070.08020.46
5.6.170.0330.07320.52
5.6.160.0000.04320.47
5.6.150.0030.08718.14
5.6.140.0070.07018.14
5.6.130.0030.05718.24
5.6.120.0030.05321.12
5.6.110.0070.06321.14
5.6.100.0030.08320.99
5.6.90.0100.07321.10
5.6.80.0070.06720.50
5.6.70.4370.04020.43
5.5.350.0270.07020.35
5.5.340.0070.04717.99
5.5.330.0070.05320.40
5.5.320.0300.08320.27
5.5.310.0230.04320.31
5.5.300.0130.07718.06
5.5.290.0030.08718.03
5.5.280.0030.08320.79
5.5.270.0130.06320.76
5.5.260.0070.08720.86
5.5.250.0100.07720.54
5.5.240.0100.08320.16
5.4.450.0770.06019.16
5.4.440.1000.07019.57
5.4.430.0870.05319.17
5.4.420.0670.00019.37
5.4.410.0170.05319.00
5.4.400.0230.04718.74
5.4.390.0270.04718.80
5.4.380.0230.05718.75
5.4.370.0030.04018.78
5.4.360.0100.03318.70
5.4.350.0060.03712.02
5.4.340.0080.04212.02
5.4.320.0070.04212.50
5.4.310.0070.03812.50
5.4.300.0060.03812.50
5.4.290.0100.04212.50
5.4.280.0030.04312.37
5.4.270.0080.03412.37
5.4.260.0050.03812.37
5.4.250.0060.03912.37
5.4.240.0070.04212.37
5.4.230.0090.04212.36
5.4.220.0070.03812.36
5.4.210.0100.03112.36
5.4.200.0090.05012.36
5.4.190.0050.03812.35
5.4.180.0070.03612.35
5.4.170.0060.03812.37
5.4.160.0050.03812.37
5.4.150.0060.03512.36
5.4.140.0040.03812.04
5.4.130.0060.04212.03
5.4.120.0150.03811.99
5.4.110.0080.03511.98
5.4.100.0040.04111.98
5.4.90.0080.04211.98
5.4.80.0110.03311.98
5.4.70.0060.03511.98
5.4.60.0070.04311.98
5.4.50.0080.04511.98
5.4.40.0070.03411.97
5.4.30.0110.03811.96
5.4.20.0060.03711.96
5.4.10.0050.03511.96
5.4.00.0090.03711.46
5.3.290.0030.04612.80
5.3.280.0100.04612.70
5.3.270.0060.04612.73
5.3.260.0100.03912.72
5.3.250.0070.03612.72
5.3.240.0040.03912.72
5.3.230.0060.04112.71
5.3.220.0100.04912.68
5.3.210.0060.04312.68
5.3.200.0070.03612.68
5.3.190.0080.03812.68
5.3.180.0070.03912.67
5.3.170.0090.04912.67
5.3.160.0110.03412.67
5.3.150.0100.03612.68
5.3.140.0070.03612.66
5.3.130.0070.04012.66
5.3.120.0100.03612.66
5.3.110.0080.04212.66
5.3.100.0100.03412.12
5.3.90.0070.03612.08
5.3.80.0060.03812.07
5.3.70.0060.04612.07
5.3.60.0090.03912.07
5.3.50.0080.03812.00
5.3.40.0090.03912.00
5.3.30.0070.03611.95
5.3.20.0080.03611.73
5.3.10.0100.04311.70
5.3.00.0080.03511.69
5.2.170.0050.0309.19
5.2.160.0050.0299.18
5.2.150.0060.0309.19
5.2.140.0050.0319.18
5.2.130.0050.0299.15
5.2.120.0050.0289.15
5.2.110.0030.0329.15
5.2.100.0030.0309.14
5.2.90.0050.0299.14
5.2.80.0100.0379.14
5.2.70.0090.0299.14
5.2.60.0070.0279.09
5.2.50.0030.0329.07
5.2.40.0040.0299.04
5.2.30.0070.0319.02
5.2.20.0010.0349.00
5.2.10.0030.0328.92
5.2.00.0030.0318.77
5.1.60.0040.0248.06
5.1.50.0020.0278.06
5.1.40.0050.0258.04
5.1.30.0040.0298.39
5.1.20.0040.0308.42
5.1.10.0060.0258.14
5.1.00.0040.0308.14
5.0.50.0020.0246.61
5.0.40.0050.0206.48
5.0.30.0010.0346.29
5.0.20.0030.0206.25
5.0.10.0020.0226.23
5.0.00.0060.0296.22
4.4.90.0040.0164.78
4.4.80.0030.0144.75
4.4.70.0040.0154.75
4.4.60.0030.0224.75
4.4.50.0030.0154.77
4.4.40.0030.0254.71
4.4.30.0020.0164.76
4.4.20.0040.0144.85
4.4.10.0000.0194.85
4.4.00.0030.0274.76
4.3.110.0040.0194.67
4.3.100.0040.0214.66
4.3.90.0040.0244.63
4.3.80.0030.0254.58
4.3.70.0030.0154.63
4.3.60.0030.0154.63
4.3.50.0030.0164.62
4.3.40.0050.0234.54
4.3.30.0030.0173.28
4.3.20.0030.0163.27
4.3.10.0030.0163.23
4.3.00.0130.0236.79

preferences:
64.08 ms | 400 KiB | 5 Q