3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace foo; use function bar\strlen; strlen("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)
8.3.40.0100.01018.80
8.3.30.0170.00318.92
8.3.20.0070.00720.27
8.3.10.0140.00423.66
8.3.00.0090.00619.38
8.2.170.0100.00322.96
8.2.160.0060.00920.27
8.2.150.0140.00424.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0040.00421.01
8.2.110.0140.00420.37
8.2.100.0110.00018.09
8.2.90.0040.00419.03
8.2.80.0060.00317.97
8.2.70.0070.00417.50
8.2.60.0000.00917.91
8.2.50.0050.00718.07
8.2.40.0060.00318.03
8.2.30.0040.00419.30
8.2.20.0000.00717.67
8.2.10.0020.00517.95
8.2.00.0040.00417.66
8.1.270.0050.00323.96
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0060.00323.96
8.1.230.0030.00719.08
8.1.220.0000.00817.74
8.1.210.0060.00318.77
8.1.200.0080.00517.00
8.1.190.0040.00417.10
8.1.180.0030.00618.10
8.1.170.0030.00518.51
8.1.160.0040.00421.85
8.1.150.0080.00018.75
8.1.140.0040.00417.29
8.1.130.0070.00017.75
8.1.120.0070.00017.30
8.1.110.0000.00717.38
8.1.100.0030.00317.20
8.1.90.0050.00217.36
8.1.80.0030.00317.33
8.1.70.0050.00217.16
8.1.60.0000.00817.44
8.1.50.0000.00817.37
8.1.40.0000.00717.31
8.1.30.0030.00517.50
8.1.20.0050.00517.57
8.1.10.0040.00417.43
8.1.00.0000.00817.48
8.0.300.0040.00418.77
8.0.290.0070.00016.63
8.0.280.0080.00018.37
8.0.270.0080.00017.14
8.0.260.0000.00717.11
8.0.250.0000.00616.84
8.0.240.0060.00016.84
8.0.230.0000.00716.86
8.0.220.0000.00716.94
8.0.210.0000.00716.87
8.0.200.0000.00616.86
8.0.190.0040.00416.84
8.0.180.0000.00716.91
8.0.170.0040.00416.77
8.0.160.0030.00316.95
8.0.150.0030.00516.86
8.0.140.0000.00716.87
8.0.130.0000.00513.35
8.0.120.0080.00016.74
8.0.110.0070.00016.85
8.0.100.0040.00416.66
8.0.90.0050.00316.77
8.0.80.0090.00616.75
8.0.70.0030.00516.93
8.0.60.0000.00816.87
8.0.50.0020.00516.85
8.0.30.0070.01216.88
8.0.20.0060.01317.40
8.0.10.0000.00716.73
8.0.00.0080.00816.79
7.4.330.0000.00515.00
7.4.320.0030.00316.32
7.4.300.0000.00616.53
7.4.290.0030.00316.45
7.4.280.0030.00716.52
7.4.270.0000.00716.50
7.4.260.0000.00716.53
7.4.250.0030.00616.31
7.4.240.0020.00516.46
7.4.230.0070.00016.59
7.4.220.0150.00316.48
7.4.210.0070.00716.43
7.4.200.0000.00716.50
7.4.160.0080.00816.39
7.4.150.0140.00317.40
7.4.140.0110.00717.86
7.4.130.0030.01516.52
7.4.120.0070.01016.45
7.4.110.0100.01316.54
7.4.100.0030.01316.37
7.4.90.0150.00416.50
7.4.80.0160.00619.39
7.4.70.0080.00816.38
7.4.60.0100.01016.33
7.4.50.0040.00416.30
7.4.40.0080.00816.54
7.4.30.0110.00416.50
7.4.10.0090.00915.11
7.4.00.0100.00814.76
7.3.330.0000.00612.99
7.3.320.0000.00513.08
7.3.310.0000.00616.29
7.3.300.0030.00316.23
7.3.290.0030.01216.33
7.3.280.0090.00816.22
7.3.270.0160.00617.40
7.3.260.0120.00616.43
7.3.250.0070.01216.40
7.3.240.0190.00316.48
7.3.230.0090.00616.39
7.3.210.0140.00316.36
7.3.200.0060.00919.39
7.3.190.0070.01416.18
7.3.180.0130.00316.20
7.3.170.0120.01216.43
7.3.160.0070.01016.28
7.3.130.0070.00714.75
7.3.120.0060.00914.55
7.3.110.0130.00614.79
7.3.100.0070.01014.91
7.3.90.0000.01314.74
7.3.80.0110.00614.67
7.3.70.0070.00714.80
7.3.60.0000.01314.83
7.3.50.0120.00414.45
7.3.40.0030.00914.51
7.3.30.0030.00914.87
7.3.20.0060.00316.47
7.3.10.0030.01416.65
7.3.00.0080.00316.51
7.2.330.0120.00416.27
7.2.320.0130.00316.58
7.2.310.0030.02016.24
7.2.300.0060.01116.38
7.2.290.0030.01316.51
7.2.260.0100.00714.70
7.2.250.0060.00914.79
7.2.240.0070.00715.02
7.2.230.0070.01014.77
7.2.220.0030.01415.07
7.2.210.0030.00714.91
7.2.200.0130.00314.50
7.2.190.0000.01214.92
7.2.180.0030.01014.61
7.2.170.0000.01114.83
7.2.160.0090.00014.84
7.2.150.0070.01016.97
7.2.140.0070.01416.69
7.2.130.0050.00516.62
7.2.120.0030.01116.75
7.2.110.0000.01116.55
7.2.100.0090.01216.53
7.2.90.0070.00716.81
7.2.80.0090.00616.62
7.2.70.0040.01116.89
7.2.60.0090.00716.69
7.2.50.0030.00616.80
7.2.40.0060.01016.64
7.2.30.0060.00316.52
7.2.20.0100.00016.85
7.2.10.0060.01016.82
7.2.00.0090.00617.90
7.1.330.0060.00615.78
7.1.320.0040.01415.46
7.1.310.0090.00315.62
7.1.300.0060.00915.75
7.1.290.0040.00415.29
7.1.280.0030.00615.65
7.1.270.0060.00315.72
7.1.260.0070.01415.70
7.1.250.0090.00315.76
7.1.240.0040.01115.66
7.1.230.0110.00415.61
7.1.220.0070.00715.52
7.1.210.0040.00815.39
7.1.200.0070.00715.61
7.1.190.0030.00915.60
7.1.180.0000.01215.75
7.1.170.0040.00415.40
7.1.160.0030.00615.37
7.1.150.0110.00415.69
7.1.140.0040.00715.52
7.1.130.0030.01015.39
7.1.120.0030.00915.52
7.1.110.0110.00315.75
7.1.100.0030.00816.92
7.1.90.0120.00315.43
7.1.80.0050.00515.54
7.1.70.0080.00716.24
7.1.60.0120.00917.41
7.1.50.0050.01216.25
7.1.40.0040.01115.73
7.1.30.0000.01215.64
7.1.20.0030.01015.60
7.1.10.0040.01215.63
7.1.00.0050.04018.94
7.0.330.0090.00315.32
7.0.320.0100.00315.35
7.0.310.0000.01515.40
7.0.300.0070.00715.42
7.0.290.0070.00715.32
7.0.280.0100.00315.02
7.0.270.0000.01015.08
7.0.260.0110.00415.13
7.0.250.0060.00615.16
7.0.240.0030.01015.28
7.0.230.0070.00715.36
7.0.220.0070.00715.10
7.0.210.0060.00315.37
7.0.200.0130.00615.82
7.0.190.0040.01115.30
7.0.180.0070.00715.14
7.0.170.0030.00615.02
7.0.160.0120.00015.43
7.0.150.0000.01015.41
7.0.140.0040.04118.63
7.0.130.0060.00315.30
7.0.120.0000.01015.14
7.0.110.0060.00315.39
7.0.100.0070.00415.26
7.0.90.0040.00715.44
7.0.80.0040.00715.15
7.0.70.0000.01415.32
7.0.60.0120.03717.39
7.0.50.0060.04116.51
7.0.40.0030.04816.82
7.0.30.0220.03616.91
7.0.20.0180.03416.87
7.0.10.0060.04316.93
7.0.00.0080.03016.91
5.6.400.0140.00714.11
5.6.390.0080.00614.16
5.6.380.0100.00614.34
5.6.370.0000.01614.34
5.6.360.0070.00714.44
5.6.350.0060.00613.84
5.6.340.0030.01014.11
5.6.330.0070.00713.92
5.6.320.0060.00813.95
5.6.310.0060.00914.20
5.6.300.0070.00714.19
5.6.290.0000.01214.08
5.6.280.0100.03717.52
5.6.270.0090.00614.13
5.6.260.0040.00814.21
5.6.250.0060.00314.27
5.6.240.0060.00614.10
5.6.230.0070.00713.82
5.6.220.0030.00513.97
5.6.210.0120.04517.33
5.6.200.0030.03316.02
5.6.190.0030.03917.39
5.6.180.0200.03617.26
5.6.170.0150.04217.24
5.6.160.0090.03717.38
5.6.150.0080.04216.24
5.6.140.0080.03816.06
5.6.130.0050.04016.20
5.6.120.0070.02617.47
5.6.110.0080.04317.58
5.6.100.0110.03817.40
5.6.90.0080.03317.53
5.6.80.0100.03517.22
5.6.70.1750.02217.11
5.6.60.0070.00714.20
5.6.50.0100.00714.03
5.6.40.0030.00914.10
5.6.30.0030.00713.98
5.6.20.0080.00613.96
5.6.10.0080.00813.96
5.6.00.0060.00914.00
5.5.380.0080.00314.10
5.5.370.0030.00514.30
5.5.360.0000.00913.75
5.5.350.0110.01917.27
5.5.340.0030.02516.12
5.5.330.0100.04517.22
5.5.320.0200.02516.96
5.5.310.0120.04317.11
5.5.300.0030.03215.97
5.5.290.0060.02116.09
5.5.280.0050.04017.32
5.5.270.0080.04317.47
5.5.260.0070.04517.35
5.5.250.0070.04617.16
5.5.240.0140.04017.04
5.5.230.0030.01514.07
5.5.220.0030.01013.79
5.5.210.0070.01013.87
5.5.200.0070.00713.70
5.5.190.0000.01613.92
5.5.180.0040.00413.85
5.5.170.0060.00313.95
5.5.160.0090.00613.78
5.5.150.0000.00813.88
5.5.140.0000.01714.13
5.5.130.0000.01513.96
5.5.120.0080.00014.26
5.5.110.0090.00314.13
5.5.100.0000.00813.87
5.5.90.0070.01013.74
5.5.80.0070.00413.88
5.5.70.0030.00914.21
5.5.60.0000.01213.88
5.5.50.0070.00714.21
5.5.40.0050.00313.81
5.5.30.0060.00613.69
5.5.20.0090.00613.79
5.5.10.0030.00913.80
5.5.00.0040.01113.65
5.4.450.0270.02216.57
5.4.440.0150.02716.42
5.4.430.0070.02616.59
5.4.420.0120.02716.60
5.4.410.0070.02716.54
5.4.400.0160.02516.33
5.4.390.0150.02916.38
5.4.380.0200.03016.18
5.4.370.0150.02716.18
5.4.360.0300.02716.11
5.4.350.0240.02816.05
5.4.340.0150.03516.11
5.4.330.0030.00313.65
5.4.320.0070.01913.07
5.4.310.0040.02113.07
5.4.300.0050.02013.07
5.4.290.0050.02813.07
5.4.280.0040.02113.02
5.4.270.0070.02113.02
5.4.260.0050.02213.02
5.4.250.0060.02313.02
5.4.240.0040.02613.02
5.4.230.0070.02013.02
5.4.220.0050.02013.02
5.4.210.0040.02113.02
5.4.200.0050.02613.02
5.4.190.0040.02313.02
5.4.180.0060.02013.01
5.4.170.0050.01913.02
5.4.160.0060.02313.02
5.4.150.0020.02213.02
5.4.140.0040.02112.86
5.4.130.0040.01912.85
5.4.120.0030.01912.83
5.4.110.0020.02412.83
5.4.100.0040.02312.83
5.4.90.0060.02212.83
5.4.80.0030.02212.83
5.4.70.0020.02312.83
5.4.60.0020.02212.83
5.4.50.0050.01912.83
5.4.40.0040.02012.82
5.4.30.0040.02012.82
5.4.20.0050.02412.82
5.4.10.0050.02312.82
5.4.00.0060.01812.57
5.3.290.0070.04412.80
5.3.280.0100.04212.70
5.3.270.0070.03812.72
5.3.260.0110.04712.72
5.3.250.0040.04212.72
5.3.240.0080.03812.72
5.3.230.0050.03812.71
5.3.220.0060.03712.68
5.3.210.0050.04212.68
5.3.200.0070.03512.68
5.3.190.0100.03412.68
5.3.180.0070.04212.67
5.3.170.0060.03912.67
5.3.160.0070.03912.68
5.3.150.0050.04312.68
5.3.140.0080.03712.66
5.3.130.0120.03512.65
5.3.120.0060.03812.66
5.3.110.0080.03612.66
5.3.100.0030.03912.12
5.3.90.0050.03812.08
5.3.80.0060.04112.08
5.3.70.0040.03712.08
5.3.60.0070.03412.07
5.3.50.0050.03612.00
5.3.40.0080.03312.00
5.3.30.0070.03311.95
5.3.20.0050.03611.72
5.3.10.0040.03611.70
5.3.00.0050.03611.68
5.2.170.0010.0329.18
5.2.160.0040.0299.18
5.2.150.0050.0349.18
5.2.140.0070.0359.18
5.2.130.0070.0259.14
5.2.120.0050.0299.14
5.2.110.0020.0319.14
5.2.100.0040.0309.15
5.2.90.0040.0309.14
5.2.80.0030.0329.14
5.2.70.0070.0289.14
5.2.60.0060.0289.09
5.2.50.0030.0319.06
5.2.40.0050.0299.04
5.2.30.0070.0289.02
5.2.20.0040.0299.00
5.2.10.0050.0288.93
5.2.00.0050.0288.78
5.1.60.0030.0258.07
5.1.50.0030.0268.07
5.1.40.0020.0268.04
5.1.30.0090.0218.40
5.1.20.0040.0358.41
5.1.10.0040.0268.14
5.1.00.0070.0388.14
5.0.50.0020.0216.62
5.0.40.0040.0216.48
5.0.30.0050.0316.29
5.0.20.0030.0186.26
5.0.10.0030.0266.24
5.0.00.0030.0326.23
4.4.90.0010.0204.78
4.4.80.0040.0214.75
4.4.70.0060.0194.75
4.4.60.0040.0144.76
4.4.50.0030.0184.77
4.4.40.0020.0254.71
4.4.30.0050.0224.76
4.4.20.0020.0164.84
4.4.10.0040.0224.85
4.4.00.0030.0244.76
4.3.110.0030.0164.67
4.3.100.0020.0154.66
4.3.90.0030.0134.63
4.3.80.0050.0224.59
4.3.70.0020.0154.63
4.3.60.0020.0164.63
4.3.50.0040.0154.63
4.3.40.0030.0284.54
4.3.30.0010.0173.29
4.3.20.0020.0163.26
4.3.10.0010.0203.22
4.3.00.0030.01018.56

preferences:
35.27 ms | 400 KiB | 5 Q