3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Cls{ function __construct(){ $this->x = 4; } function output(){ echo $this->x; } } (new Cls)->output();

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)
8.3.60.0070.01118.68
8.3.50.0080.01322.00
8.3.40.0040.01118.83
8.3.30.0110.00319.06
8.3.20.0040.00420.09
8.3.10.0080.00020.53
8.3.00.0080.00019.38
8.2.180.0110.00716.72
8.2.170.0120.00322.96
8.2.160.0080.00820.37
8.2.150.0000.00824.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0080.00022.08
8.2.110.0030.00622.30
8.2.100.0040.00817.84
8.2.90.0080.00019.05
8.2.80.0040.00417.97
8.2.70.0040.00417.63
8.2.60.0080.00018.04
8.2.50.0050.00518.07
8.2.40.0000.01017.82
8.2.30.0030.00519.43
8.2.20.0040.00417.73
8.2.10.0080.00017.89
8.2.00.0050.00317.67
8.1.280.0070.01125.92
8.1.270.0040.00423.96
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0000.00923.80
8.1.230.0110.00019.19
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0090.00317.23
8.1.190.0050.00317.11
8.1.180.0040.00418.10
8.1.170.0080.00018.50
8.1.160.0040.00422.00
8.1.150.0040.00418.73
8.1.140.0040.00417.38
8.1.130.0000.00717.71
8.1.120.0040.00417.29
8.1.110.0050.00317.27
8.1.100.0000.00717.39
8.1.90.0050.00217.41
8.1.80.0050.00517.39
8.1.70.0040.00417.39
8.1.60.0080.00017.47
8.1.50.0000.00917.44
8.1.40.0050.00317.54
8.1.30.0000.00817.48
8.1.20.0040.00417.54
8.1.10.0000.00717.56
8.1.00.0040.00417.50
8.0.300.0000.00918.77
8.0.290.0070.00016.73
8.0.280.0030.00318.43
8.0.270.0040.00517.19
8.0.260.0060.00017.17
8.0.250.0070.00016.96
8.0.240.0080.00016.82
8.0.230.0030.00316.80
8.0.220.0000.00716.66
8.0.210.0070.00016.80
8.0.200.0030.00316.80
8.0.190.0070.00016.80
8.0.180.0030.00516.68
8.0.170.0030.00516.86
8.0.160.0040.00416.77
8.0.150.0000.00716.77
8.0.140.0040.00416.76
8.0.130.0000.00613.21
8.0.120.0040.00416.73
8.0.110.0000.00716.82
8.0.100.0040.00416.85
8.0.90.0000.00716.84
8.0.80.0000.01516.79
8.0.70.0040.00416.68
8.0.60.0040.00416.63
8.0.50.0040.00416.72
8.0.30.0110.00816.96
8.0.20.0070.01217.40
8.0.10.0000.00716.81
8.0.00.0130.00516.61
7.4.330.0030.00315.00
7.4.320.0000.00716.47
7.4.300.0000.00616.58
7.4.290.0030.00316.34
7.4.280.0040.00416.34
7.4.270.0000.00716.44
7.4.260.0000.00716.41
7.4.250.0050.00316.52
7.4.240.0020.00516.51
7.4.230.0030.00316.56
7.4.220.0050.01416.61
7.4.210.0130.00016.46
7.4.200.0000.00816.54
7.4.160.0100.00616.61
7.4.150.0100.00717.40
7.4.140.0080.01217.86
7.4.130.0060.01316.49
7.4.120.0070.01016.49
7.4.110.0130.00616.45
7.4.100.0130.01016.44
7.4.90.0170.00716.29
7.4.80.0070.01019.39
7.4.70.0100.00716.37
7.4.60.0060.01116.47
7.4.50.0040.00416.38
7.4.40.0060.01016.38
7.4.30.0080.00816.51
7.4.00.0070.00715.04
7.3.330.0060.00013.08
7.3.320.0030.00313.28
7.3.310.0030.00316.22
7.3.300.0040.00316.17
7.3.290.0090.00616.25
7.3.280.0120.00616.29
7.3.270.0140.00317.40
7.3.260.0060.01216.31
7.3.250.0100.00716.25
7.3.240.0140.00416.36
7.3.230.0030.01316.39
7.3.210.0090.00916.55
7.3.200.0090.01219.39
7.3.190.0110.01516.28
7.3.180.0080.00816.21
7.3.170.0070.01016.41
7.3.160.0080.01216.41
7.3.120.0070.01014.91
7.3.110.0060.00914.72
7.3.100.0130.00315.05
7.3.90.0000.01114.95
7.3.80.0060.00315.04
7.3.70.0000.01114.93
7.3.60.0060.00614.69
7.3.50.0030.01014.82
7.3.40.0060.00914.76
7.3.30.0040.00814.70
7.3.20.0100.00316.65
7.3.10.0030.00916.72
7.3.00.0070.00716.70
7.2.330.0130.00916.71
7.2.320.0030.01516.73
7.2.310.0100.00716.58
7.2.300.0080.00816.55
7.2.290.0000.01516.44
7.2.240.0000.01415.12
7.2.230.0040.01215.05
7.2.220.0030.01314.59
7.2.210.0070.00714.82
7.2.200.0000.01315.18
7.2.190.0060.00615.04
7.2.180.0130.00015.11
7.2.170.0070.00714.93
7.2.160.0000.01714.95
7.2.150.0030.01316.60
7.2.140.0120.00317.08
7.2.130.0140.00016.85
7.2.120.0080.00316.77
7.2.110.0060.00916.96
7.2.100.0030.01016.95
7.2.90.0070.00316.88
7.2.80.0130.00317.08
7.2.70.0140.00016.71
7.2.60.0070.00716.67
7.2.50.0070.01116.91
7.2.40.0080.00416.74
7.2.30.0000.01817.11
7.2.20.0060.00916.92
7.2.10.0030.01316.93
7.2.00.0070.01016.96
7.1.330.0130.00015.66
7.1.320.0030.01215.36
7.1.310.0060.00915.75
7.1.300.0070.00715.79
7.1.290.0110.00015.75
7.1.280.0070.00715.39
7.1.270.0040.00815.62
7.1.260.0090.00615.71
7.1.250.0130.00315.78
7.1.100.0030.00717.48
7.1.70.0070.00016.74
7.1.60.0000.01319.12
7.1.50.0140.01016.86
7.1.00.0030.07722.43
7.0.200.0030.00716.46
7.0.140.0070.06722.00
7.0.60.0070.07319.82
7.0.50.0030.08017.88
7.0.40.0070.08320.23
7.0.30.0530.07720.21
7.0.20.0330.06320.33
7.0.10.0070.08720.16
7.0.00.0100.08320.22
5.6.280.0030.07321.07
5.6.210.0130.06320.73
5.6.200.0070.04318.15
5.6.190.0100.06320.60
5.6.180.0500.06720.39
5.6.170.0200.04720.55
5.6.160.0030.04320.75
5.6.150.0100.05318.18
5.6.140.0100.03318.29
5.6.130.0100.04718.14
5.6.120.0170.07720.93
5.6.110.0030.04321.01
5.6.100.0130.08320.98
5.6.90.0070.06720.97
5.6.80.0000.06020.41
5.5.350.0100.08720.52
5.5.340.0070.03718.00
5.5.330.0070.05020.42
5.5.320.0100.06320.32
5.5.310.0200.05320.26
5.5.300.0030.08317.98
5.5.290.0100.03717.93
5.5.280.0000.04320.68
5.5.270.0030.08320.75
5.5.260.0130.07320.77
5.5.250.0030.04720.80
5.5.240.0130.05720.26
5.4.450.0470.04719.55
5.4.440.0300.03719.45
5.4.430.0430.04719.51
5.4.420.0570.04019.63
5.4.410.0200.04319.51
5.4.400.0330.04319.45
5.4.390.0500.04719.45
5.4.380.0330.06018.57
5.4.370.0270.05318.57
5.4.360.0330.05018.74
5.4.350.0130.08718.66
5.4.340.0270.05718.82
5.4.320.0030.03912.50
5.4.310.0050.05312.50
5.4.300.0050.03712.50
5.4.290.0060.03912.50
5.4.280.0050.03712.40
5.4.270.0090.04112.40
5.4.260.0070.04012.40
5.4.250.0040.03912.40
5.4.240.0060.03512.40
5.4.230.0070.03512.39
5.4.220.0070.03512.39
5.4.210.0060.03612.39
5.4.200.0040.03912.39
5.4.190.0050.03712.38
5.4.180.0040.03712.39
5.4.170.0070.03412.40
5.4.160.0030.03812.40
5.4.150.0080.03412.39
5.4.140.0090.03412.07
5.4.130.0070.03412.06
5.4.120.0070.03312.02
5.4.110.0070.03812.02
5.4.100.0090.03212.01
5.4.90.0060.03612.01
5.4.80.0070.03512.02
5.4.70.0060.03412.02
5.4.60.0040.03612.01
5.4.50.0040.03612.02
5.4.40.0040.03612.00
5.4.30.0020.03912.00
5.4.20.0060.03512.00
5.4.10.0120.03012.00
5.4.00.0080.03311.49
5.3.290.0090.03512.80
5.3.280.0050.03812.71
5.3.270.0080.03612.72
5.3.260.0070.03712.72
5.3.250.0030.03912.72
5.3.240.0060.03712.71
5.3.230.0100.03412.71
5.3.220.0060.03712.68
5.3.210.0080.03912.68
5.3.200.0040.04012.68
5.3.190.0060.03612.68
5.3.180.0010.04012.68
5.3.170.0030.03812.67
5.3.160.0070.03512.67
5.3.150.0080.03412.67
5.3.140.0060.03612.66
5.3.130.0110.03412.66
5.3.120.0070.03712.65
5.3.110.0090.03512.66
5.3.100.0080.03412.13
5.3.90.0050.03612.11
5.3.80.0050.03612.10
5.3.70.0070.03512.10
5.3.60.0070.03512.09
5.3.50.0050.04612.03
5.3.40.0080.03412.03
5.3.30.0040.03511.99
5.3.20.0050.03511.77
5.3.10.0040.03611.73
5.3.00.0040.03811.72
5.2.170.0040.0319.23
5.2.160.0040.0309.22
5.2.150.0070.0279.23
5.2.140.0030.0329.22
5.2.130.0090.0249.18
5.2.120.0040.0299.18
5.2.110.0060.0279.19
5.2.100.0040.0299.18
5.2.90.0040.0299.18
5.2.80.0040.0309.18
5.2.70.0020.0329.18
5.2.60.0050.0309.13
5.2.50.0040.0309.11
5.2.40.0030.0309.08
5.2.30.0090.0259.05
5.2.20.0080.0249.04
5.2.10.0030.0298.95
5.2.00.0060.0288.81
5.1.60.0040.0238.09
5.1.50.0040.0258.09
5.1.40.0050.0238.07
5.1.30.0050.0258.42
5.1.20.0040.0268.45
5.1.10.0030.0268.17
5.1.00.0060.0238.17
5.0.50.0040.0206.65
5.0.40.0050.0176.51
5.0.30.0060.0286.32
5.0.20.0020.0206.29
5.0.10.0010.0226.27
5.0.00.0010.0326.25
4.4.90.0030.0154.78
4.4.80.0020.0164.75
4.4.70.0060.0124.75
4.4.60.0050.0134.75
4.4.50.0050.0134.77
4.4.40.0090.0194.71
4.4.30.0020.0164.76
4.4.20.0050.0134.85
4.4.10.0020.0164.85
4.4.00.0030.0244.76
4.3.110.0010.0174.67
4.3.100.0030.0144.66
4.3.90.0050.0124.64
4.3.80.0030.0264.59
4.3.70.0030.0204.63
4.3.60.0030.0204.63
4.3.50.0030.0154.63
4.3.40.0040.0224.53
4.3.30.0020.0153.30
4.3.20.0050.0133.28
4.3.10.0010.0163.24
4.3.00.0200.01716.73

preferences:
49.96 ms | 401 KiB | 5 Q