3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo count_chars( "R1AAABBCCCDDDDDDD", 3);

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)
8.3.60.0110.00718.32
8.3.50.0070.00821.86
8.3.40.0110.01118.75
8.3.30.0100.00318.92
8.3.20.0070.00320.21
8.3.10.0040.00423.64
8.3.00.0040.00417.68
8.2.180.0070.00716.50
8.2.170.0150.00322.96
8.2.160.0100.00320.39
8.2.150.0080.00024.18
8.2.140.0000.00724.66
8.2.130.0040.00426.16
8.2.120.0070.00020.77
8.2.110.0070.00319.30
8.2.100.0060.00617.66
8.2.90.0040.00418.98
8.2.80.0040.00417.97
8.2.70.0060.00317.13
8.2.60.0070.00018.04
8.2.50.0000.00918.07
8.2.40.0000.00718.03
8.2.30.0030.00718.05
8.2.20.0050.00317.71
8.2.10.0040.00417.98
8.2.00.0040.00419.34
8.1.280.0100.00725.92
8.1.270.0060.00323.74
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0030.00622.18
8.1.230.0070.00418.94
8.1.220.0040.00417.74
8.1.210.0060.00318.77
8.1.200.0000.00917.23
8.1.190.0040.00417.10
8.1.180.0040.00418.10
8.1.170.0040.00418.57
8.1.160.0000.00721.91
8.1.150.0000.00718.75
8.1.140.0000.00717.32
8.1.130.0070.00017.29
8.1.120.0000.00717.26
8.1.110.0040.00417.16
8.1.100.0000.00717.24
8.1.90.0030.00517.27
8.1.80.0030.00617.23
8.1.70.0070.00017.18
8.1.60.0030.00517.50
8.1.50.0000.00817.28
8.1.40.0000.00717.28
8.1.30.0040.00417.55
8.1.20.0040.00417.52
8.1.10.0000.00817.29
8.1.00.0040.00417.22
8.0.300.0030.00320.04
8.0.290.0000.00816.63
8.0.280.0000.00718.38
8.0.270.0070.00017.18
8.0.260.0000.00716.75
8.0.250.0030.00316.91
8.0.240.0030.00316.92
8.0.230.0000.00716.70
8.0.220.0080.00016.74
8.0.210.0000.00716.68
8.0.200.0000.00816.76
8.0.190.0030.00316.84
8.0.180.0000.00716.79
8.0.170.0040.00416.86
8.0.160.0000.00816.71
8.0.150.0060.00316.70
8.0.140.0070.00016.62
8.0.130.0050.00013.18
8.0.120.0000.00816.74
8.0.110.0000.00916.67
8.0.100.0000.00716.86
8.0.90.0040.00416.70
8.0.80.0090.00616.76
8.0.70.0040.00416.77
8.0.60.0040.00416.87
8.0.50.0000.00716.78
8.0.30.0100.00916.84
8.0.20.0150.00517.40
8.0.10.0000.00716.86
8.0.00.0110.00616.64
7.4.330.0050.00015.02
7.4.320.0030.00316.45
7.4.300.0000.00716.46
7.4.290.0000.00716.31
7.4.280.0040.00416.43
7.4.270.0040.00416.45
7.4.260.0030.00616.21
7.4.250.0000.00716.41
7.4.240.0020.00516.44
7.4.230.0000.00716.16
7.4.220.0100.00716.44
7.4.210.0130.00716.34
7.4.200.0000.00716.55
7.4.160.0130.00416.27
7.4.150.0140.00317.40
7.4.140.0140.00317.86
7.4.130.0070.00916.35
7.4.120.0080.01116.49
7.4.110.0090.01016.13
7.4.100.0150.00316.22
7.4.90.0090.00916.39
7.4.80.0110.00819.39
7.4.70.0060.01016.38
7.4.60.0110.00616.43
7.4.50.0030.00316.41
7.4.40.0100.00716.09
7.4.30.0130.00316.48
7.4.00.0090.00814.70
7.3.330.0040.00412.87
7.3.320.0000.00512.96
7.3.310.0000.00716.18
7.3.300.0000.00716.03
7.3.290.0090.00916.07
7.3.280.0050.01316.07
7.3.270.0110.00717.40
7.3.260.0090.00916.37
7.3.250.0050.01216.18
7.3.240.0110.00716.46
7.3.230.0160.00316.39
7.3.210.0030.01416.11
7.3.200.0120.00719.39
7.3.190.0140.00616.52
7.3.180.0150.00016.13
7.3.170.0120.00416.27
7.3.160.0100.00716.23
7.3.120.0130.00514.67
7.3.110.0110.00714.62
7.3.100.0060.00614.46
7.3.90.0000.01614.33
7.3.80.0090.00614.65
7.3.70.0120.00314.53
7.3.60.0000.00914.44
7.3.50.0030.00714.56
7.3.40.0030.01014.63
7.3.30.0030.01014.69
7.3.20.0040.00716.48
7.3.10.0060.01216.51
7.3.00.0030.00616.59
7.2.330.0140.00616.25
7.2.320.0130.01016.49
7.2.310.0080.00816.32
7.2.300.0060.01016.55
7.2.290.0060.00916.37
7.2.250.0060.00614.96
7.2.240.0100.01014.60
7.2.230.0120.00314.83
7.2.220.0000.01314.76
7.2.210.0040.01114.85
7.2.200.0070.01014.89
7.2.190.0040.01114.74
7.2.180.0030.00914.88
7.2.170.0030.00914.88
7.2.00.0070.00719.34
7.1.330.0120.00015.60
7.1.320.0000.01515.37
7.1.310.0000.00815.70
7.1.300.0040.01115.29
7.1.290.0000.01315.33
7.1.280.0090.00615.73
7.1.270.0060.00915.40
7.1.260.0070.01015.70
7.1.200.0000.00615.70
7.1.100.0040.01117.89
7.1.70.0040.00416.90
7.1.60.0070.01319.70
7.1.50.0000.01516.84
7.1.00.0030.07722.47
7.0.200.0000.00716.75
7.0.140.0070.07021.95
7.0.60.0030.06019.81
7.0.50.0030.08317.80
7.0.40.0070.06720.24
7.0.30.0330.07320.20
7.0.20.0270.08020.12
7.0.10.0130.04320.33
7.0.00.0130.08020.30
5.6.280.0130.06321.12
5.6.210.0070.07020.64
5.6.200.0030.08318.22
5.6.190.0100.09020.32
5.6.180.0230.06320.41
5.6.170.0270.04320.62
5.6.160.0070.06720.51
5.6.150.0070.06718.11
5.6.140.0030.04718.21
5.6.130.0070.05018.18
5.6.120.0100.08021.11
5.6.110.0070.08321.13
5.6.100.0000.09021.09
5.6.90.0030.04021.07
5.6.80.0000.07720.50
5.5.350.0100.05020.40
5.5.340.0070.07317.99
5.5.330.0130.07720.37
5.5.320.0230.05020.20
5.5.310.0230.07320.21
5.5.300.0070.04018.01
5.5.290.0070.05317.98
5.5.280.0100.04020.68
5.5.270.0130.08020.88
5.5.260.0130.03320.72
5.5.250.0100.08020.69
5.5.240.4270.03720.27
5.4.450.0730.03319.48
5.4.440.0200.04719.41
5.4.430.0330.04019.45
5.4.420.0300.05019.42
5.4.410.0800.04019.33
5.4.400.0530.03719.10
5.4.390.0500.04019.21
5.4.380.0100.06018.66
5.4.370.0230.04718.66
5.4.360.0130.05018.50
5.4.350.0230.05318.66
5.4.340.0300.05718.46
5.4.320.0040.03712.45
5.4.310.0030.04112.45
5.4.300.0060.05012.45
5.4.290.0040.04012.45
5.4.280.0070.03712.35
5.4.270.0070.04012.34
5.4.260.0020.04212.35
5.4.250.0100.03512.35
5.4.240.0110.03612.35
5.4.230.0070.03712.34
5.4.220.0060.03612.34
5.4.210.0030.04012.34
5.4.200.0100.03512.34
5.4.190.0080.03412.33
5.4.180.0090.03812.33
5.4.170.0030.03912.34
5.4.160.0070.04712.34
5.4.150.0050.03912.34
5.4.140.0040.03912.02
5.4.130.0050.04212.01
5.4.120.0060.03611.96
5.4.110.0070.03311.96
5.4.100.0070.03411.96
5.4.90.0060.03711.96
5.4.80.0050.03811.96
5.4.70.0070.03411.96
5.4.60.0050.03511.96
5.4.50.0040.03811.96
5.4.40.0070.03511.95
5.4.30.0040.03711.95
5.4.20.0080.03311.95
5.4.10.0030.03811.95
5.4.00.0030.03911.44
5.3.290.0030.04112.80
5.3.280.0060.03712.71
5.3.270.0070.04012.72
5.3.260.0040.04012.72
5.3.250.0120.03912.72
5.3.240.0060.03912.72
5.3.230.0060.04412.71
5.3.220.0070.03612.68
5.3.210.0100.04312.68
5.3.200.0070.03712.68
5.3.190.0080.03812.68
5.3.180.0070.03612.67
5.3.170.0070.03512.67
5.3.160.0060.03712.67
5.3.150.0090.03512.67
5.3.140.0060.03712.66
5.3.130.0050.03912.66
5.3.120.0090.03712.66
5.3.110.0080.04712.66
5.3.100.0110.04212.12
5.3.90.0050.03912.09
5.3.80.0070.04012.07
5.3.70.0070.03712.07
5.3.60.0050.03912.06
5.3.50.0050.03912.00
5.3.40.0070.03612.00
5.3.30.0060.03611.94
5.3.20.0060.04111.72
5.3.10.0120.04511.68
5.3.00.0110.04511.68
5.2.170.0100.0329.18
5.2.160.0050.0309.18
5.2.150.0030.0349.18
5.2.140.0050.0329.17
5.2.130.0070.0389.13
5.2.120.0060.0329.13
5.2.110.0050.0299.14
5.2.100.0090.0259.14
5.2.90.0140.0309.13
5.2.80.0080.0299.13
5.2.70.0050.0349.13
5.2.60.0030.0319.08
5.2.50.0060.0359.05
5.2.40.0070.0299.03
5.2.30.0040.0359.01
5.2.20.0030.0349.00
5.2.10.0060.0288.92
5.2.00.0080.0258.77
5.1.60.0040.0248.05
5.1.50.0020.0328.05
5.1.40.0050.0288.04
5.1.30.0050.0278.39
5.1.20.0050.0278.40
5.1.10.0030.0288.13
5.1.00.0050.0258.13
5.0.50.0020.0256.61
5.0.40.0040.0196.47
5.0.30.0060.0296.28
5.0.20.0030.0206.25
5.0.10.0060.0186.23
5.0.00.0050.0486.22
4.4.90.0020.0204.78
4.4.80.0070.0134.75
4.4.70.0020.0184.76
4.4.60.0020.0164.75
4.4.50.0050.0174.77
4.4.40.0070.0234.71
4.4.30.0010.0174.76
4.4.20.0030.0154.84
4.4.10.0030.0174.85
4.4.00.0030.0274.75
4.3.110.0030.0174.67
4.3.100.0030.0204.66
4.3.90.0020.0174.63
4.3.80.0030.0244.58
4.3.70.0020.0154.63
4.3.60.0040.0134.63
4.3.50.0030.0174.63
4.3.40.0030.0264.54
4.3.30.0020.0163.28
4.3.20.0020.0163.26
4.3.10.0010.0203.21
4.3.00.0100.01714.87

preferences:
39.78 ms | 401 KiB | 5 Q