3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo substr('abcdef', -2, 5);

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)
8.3.60.0030.01418.23
8.3.50.0120.00621.92
8.3.40.0140.00718.59
8.3.30.0120.00318.41
8.3.20.0120.00318.57
8.3.10.0030.00520.92
8.3.00.0070.00317.68
8.2.180.0120.00318.01
8.2.170.0120.00322.96
8.2.160.0060.01320.44
8.2.150.0080.00024.18
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0070.00720.94
8.2.110.0070.00420.35
8.2.100.0080.00417.43
8.2.90.0000.00819.09
8.2.80.0080.00017.97
8.2.70.0000.01117.50
8.2.60.0030.00517.80
8.2.50.0030.00618.07
8.2.40.0080.00018.03
8.2.30.0040.00421.10
8.2.20.0000.00717.69
8.2.10.0050.00217.42
8.2.00.0040.00417.52
8.1.280.0090.00925.92
8.1.270.0040.00423.99
8.1.260.0030.01026.35
8.1.250.0070.00028.09
8.1.240.0060.00322.24
8.1.230.0080.00420.88
8.1.220.0000.00818.77
8.1.210.0040.00418.82
8.1.200.0090.00017.23
8.1.190.0000.00817.16
8.1.180.0040.00418.10
8.1.170.0080.00018.46
8.1.160.0040.00418.63
8.1.150.0000.00718.49
8.1.140.0070.00017.19
8.1.130.0030.00517.75
8.1.120.0050.00317.24
8.1.110.0000.00717.18
8.1.100.0040.00417.37
8.1.90.0000.00717.25
8.1.80.0000.00717.29
8.1.70.0030.00317.27
8.1.60.0080.00417.33
8.1.50.0030.00517.34
8.1.40.0000.00717.34
8.1.30.0060.00317.47
8.1.20.0090.00017.40
8.1.10.0070.00317.45
8.1.00.0060.00317.38
8.0.300.0040.00419.96
8.0.290.0000.00717.04
8.0.280.0040.00418.37
8.0.270.0030.00317.18
8.0.260.0040.00416.64
8.0.250.0000.00716.78
8.0.240.0080.00016.90
8.0.230.0000.00616.80
8.0.220.0000.00716.63
8.0.210.0080.00016.67
8.0.200.0000.00616.74
8.0.190.0040.00416.71
8.0.180.0040.00416.77
8.0.170.0040.00416.66
8.0.160.0040.00416.86
8.0.150.0000.00716.74
8.0.140.0030.00316.69
8.0.130.0040.00413.17
8.0.120.0080.00016.65
8.0.110.0040.00416.78
8.0.100.0040.00416.66
8.0.90.0040.00316.68
8.0.80.0080.00816.71
8.0.70.0030.00516.81
8.0.60.0030.00516.64
8.0.50.0050.00316.58
8.0.30.0170.00316.99
8.0.20.0060.01717.40
8.0.10.0030.00516.77
8.0.00.0120.00816.62
7.4.330.0000.00516.83
7.4.320.0000.00716.47
7.4.300.0030.00316.46
7.4.290.0000.00616.35
7.4.280.0110.00016.45
7.4.270.0000.00616.43
7.4.260.0000.00613.11
7.4.250.0000.00716.33
7.4.240.0000.00716.30
7.4.230.0050.00216.34
7.4.220.0070.01316.29
7.4.210.0050.01016.45
7.4.200.0040.00416.26
7.4.190.0000.00716.43
7.4.160.0100.00716.38
7.4.150.0140.00417.40
7.4.140.0130.00617.86
7.4.130.0120.00916.46
7.4.120.0120.00516.40
7.4.110.0110.00616.28
7.4.100.0070.01016.42
7.4.90.0090.00916.38
7.4.80.0100.00719.39
7.4.70.0070.01416.36
7.4.60.0150.00316.41
7.4.50.0060.00316.47
7.4.40.0040.01222.77
7.4.30.0060.00916.12
7.4.00.0070.01114.40
7.3.330.0000.00812.99
7.3.320.0000.00513.05
7.3.310.0000.00715.99
7.3.300.0000.00716.03
7.3.290.0100.00316.15
7.3.280.0060.00716.10
7.3.270.0040.01317.40
7.3.260.0120.00718.24
7.3.250.0050.01216.19
7.3.240.0090.01216.04
7.3.230.0040.01316.39
7.3.210.0030.01316.21
7.3.200.0170.00319.39
7.3.190.0120.00616.34
7.3.180.0060.01216.19
7.3.170.0090.00616.27
7.3.160.0060.00916.06
7.3.120.0070.01014.55
7.2.330.0070.01116.54
7.2.320.0070.01016.38
7.2.310.0100.01416.62
7.2.300.0170.00016.33
7.2.290.0100.00616.38
7.2.00.0030.01319.12
7.1.100.0070.00717.93
7.1.70.0000.00816.68
7.1.60.0120.00917.17
7.1.50.0070.01016.75
7.1.40.0000.02016.34
7.1.30.0070.01516.40
7.1.20.0080.01316.57
7.1.10.0030.00916.44
7.1.00.0040.00416.52
7.0.200.0000.01516.51
7.0.190.0040.00816.70
7.0.180.0060.00616.13
7.0.170.0080.00815.99
7.0.160.0040.01315.93
7.0.150.0040.00416.11
7.0.140.0040.00716.36
7.0.130.0030.01016.38
7.0.120.0080.00816.56
7.0.110.0030.01316.27
7.0.100.0070.01016.25
7.0.90.0080.00816.25
7.0.80.0040.01116.34
7.0.70.0000.01216.38
7.0.60.0030.00715.80
7.0.50.0060.01216.37
7.0.40.0080.00815.55
7.0.30.0030.00615.55
7.0.20.0070.00015.55
7.0.10.0040.00415.55
7.0.00.0000.00815.55
5.6.300.0040.05320.67
5.6.290.0070.06320.98
5.6.280.0030.05720.90
5.6.270.0030.08321.02
5.6.260.0060.08120.97
5.6.250.0100.07920.86
5.6.240.0060.09020.82
5.6.230.0070.08421.05
5.6.220.0090.04720.83
5.6.210.0030.04121.05
5.6.200.0030.09020.95
5.6.190.0160.07420.80
5.6.180.0070.04620.81
5.6.170.0070.03920.94
5.6.160.0030.08720.73
5.6.150.0130.05020.79
5.6.140.0060.03820.89
5.6.130.0100.03820.81
5.6.120.0030.05020.86
5.6.110.0070.07620.75
5.6.100.0030.08320.80
5.6.90.0030.04421.00
5.6.80.0030.03920.40
5.6.70.0030.03820.32
5.6.60.0070.08320.39
5.6.50.0060.04820.20
5.6.40.0070.08020.24
5.6.30.0360.02620.34
5.6.20.0100.08120.20
5.6.10.0000.04620.18
5.6.00.0030.04120.16
5.5.380.0070.07617.48
5.5.370.0070.04117.46
5.5.360.0070.05317.50
5.5.350.0030.04017.55
5.5.340.0030.07917.84
5.5.330.0030.08017.94
5.5.320.0000.08018.00
5.5.310.0060.03817.87
5.5.300.0000.04517.94
5.5.290.0100.07617.99
5.5.280.0070.07218.12
5.5.270.0030.06617.83
5.5.260.0070.08918.02
5.5.250.0000.04417.67
5.5.240.0000.07017.44
5.5.230.0070.06617.43
5.5.220.0030.03717.31
5.5.210.0030.06417.06
5.5.200.0030.03617.38
5.5.190.0140.04417.21
5.5.180.0160.04217.38
5.5.160.0030.04017.38
5.5.150.0000.04717.38
5.5.140.0030.05417.41
5.5.130.0070.07617.38
5.5.120.0000.06417.29
5.5.110.0030.08217.40
5.5.100.0030.05317.31
5.5.90.0160.03217.31
5.5.80.0030.03817.22
5.5.70.0000.04117.20
5.5.60.0030.04217.21
5.5.50.0100.03217.27
5.5.40.0000.08117.07
5.5.30.0030.05017.27
5.5.20.0000.06516.94
5.5.10.0030.06017.23
5.5.00.0060.03517.20
5.4.450.0030.04719.34
5.4.440.0000.08419.37
5.4.430.0060.04219.33
5.4.420.0030.04619.30
5.4.410.0030.04219.07
5.4.400.0060.03918.98
5.4.390.0070.03618.86
5.4.380.0030.07119.05
5.4.370.0060.05518.88
5.4.360.0000.08119.02
5.4.350.0170.03118.89
5.4.340.0100.03219.07
5.4.320.0100.07519.04
5.4.310.0030.06418.86
5.4.300.0000.06919.13
5.4.290.0130.06719.16
5.4.280.0100.04418.87
5.4.270.0030.06318.85
5.4.260.0100.03918.88
5.4.250.0000.04519.15
5.4.240.0000.04119.16
5.4.230.0000.04319.06
5.4.220.0000.04219.16
5.4.210.0000.04018.97
5.4.200.0070.07819.09
5.4.190.0030.04719.13
5.4.180.0000.07119.00
5.4.170.0070.03619.06
5.4.160.0070.03319.01
5.4.150.0030.05118.81
5.4.140.0030.04216.62
5.4.130.0070.03116.63
5.4.120.0030.03316.32
5.4.110.0030.03916.50
5.4.100.0200.02916.68
5.4.90.0070.03016.66
5.4.80.0030.03816.67
5.4.70.0030.04016.48
5.4.60.0000.05716.34
5.4.50.0030.07416.32
5.4.40.0030.03716.40
5.4.30.0100.03616.48
5.4.20.0140.03716.34
5.4.10.0060.03216.46
5.4.00.0060.03515.92
5.3.290.0030.07915.55
5.3.280.0070.03315.55
5.3.270.0000.05515.55
5.3.260.0070.03315.55
5.3.250.0030.03715.55
5.3.240.0000.04015.55
5.3.230.0000.04515.55
5.3.220.0030.03915.55
5.3.210.0030.04215.55
5.3.200.0040.03615.55
5.3.190.0030.03615.55
5.3.180.0030.03515.55
5.3.170.0000.07115.55
5.3.160.0070.07415.55
5.3.150.0000.08015.55
5.3.140.0000.04115.55
5.3.130.0030.03615.55
5.3.120.0000.04315.55
5.3.110.0070.03815.55
5.3.100.0030.03615.55
5.3.90.0000.03915.55
5.3.80.0030.03515.55
5.3.70.0000.06115.55
5.3.60.0000.03715.55
5.3.50.0000.06515.55
5.3.40.0000.03915.55
5.3.30.0000.03915.55
5.3.20.0000.03615.55
5.3.10.0060.03215.55
5.3.00.0000.03715.55
5.2.170.0000.03515.55
5.2.160.0000.03015.55
5.2.150.0000.03415.55
5.2.140.0200.02715.55
5.2.130.0000.03115.55
5.2.120.0040.03215.55
5.2.110.0030.03015.55
5.2.100.0030.02915.55
5.2.90.0000.03215.55
5.2.80.0000.03415.55
5.2.70.0030.03015.55
5.2.60.0030.02715.55
5.2.50.0030.02715.55
5.2.40.0000.03015.55
5.2.30.0070.02315.55
5.2.20.0100.02215.55
5.2.10.0000.03215.55
5.2.00.0030.02815.55
5.1.60.0000.04215.55
5.1.50.0000.04315.55
5.1.40.0030.05115.55
5.1.30.0030.03015.55
5.1.20.0030.03515.55
5.1.10.0000.02815.55
5.1.00.0000.03115.55
5.0.50.0070.01715.55
5.0.40.0000.04315.55
5.0.30.0030.03015.55
5.0.20.0030.03115.55
5.0.10.0070.03915.55
5.0.00.0070.05115.55
4.4.90.0000.02215.55
4.4.80.0030.01315.55
4.4.70.0000.01815.55
4.4.60.0000.02015.55
4.4.50.0060.01315.55
4.4.40.0000.04715.55
4.4.30.0030.03315.55
4.4.20.0000.01615.55
4.4.10.0000.01615.55
4.4.00.0030.02315.55
4.3.110.0030.01315.55
4.3.100.0030.02115.55
4.3.90.0030.03115.55
4.3.80.0070.04215.55
4.3.70.0040.01815.55
4.3.60.0030.01815.55
4.3.50.0030.01315.55
4.3.40.0000.02515.55
4.3.30.0000.01815.55
4.3.20.0100.02015.55
4.3.10.0030.01415.55
4.3.00.0000.01915.55

preferences:
41 ms | 401 KiB | 5 Q