3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo count_chars( "ABABAB", 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)
8.3.60.0160.00616.38
8.3.50.0130.00718.00
8.3.40.0140.00718.67
8.3.30.0120.00319.02
8.3.20.0150.00320.21
8.3.10.0000.01721.64
8.3.00.0040.00419.38
8.2.180.0110.01118.04
8.2.170.0040.01118.84
8.2.160.0070.00722.96
8.2.150.0050.00324.18
8.2.140.0060.01224.66
8.2.130.0040.00426.16
8.2.120.0050.00319.36
8.2.110.0070.00319.31
8.2.100.0000.01217.72
8.2.90.0040.00419.13
8.2.80.0030.00517.97
8.2.70.0030.00617.63
8.2.60.0050.00317.91
8.2.50.0060.00318.07
8.2.40.0040.00717.91
8.2.30.0040.00418.05
8.2.20.0070.00017.59
8.2.10.0000.00817.84
8.2.00.0000.00717.52
8.1.280.0070.01425.92
8.1.270.0090.00020.33
8.1.260.0090.00926.35
8.1.250.0070.01028.09
8.1.240.0060.00320.78
8.1.230.0070.00417.42
8.1.220.0040.00417.74
8.1.210.0050.00318.77
8.1.200.0030.00617.11
8.1.190.0090.00017.13
8.1.180.0030.00618.10
8.1.170.0000.00820.43
8.1.160.0080.00021.89
8.1.150.0030.00618.66
8.1.140.0040.00417.31
8.1.130.0030.00317.66
8.1.120.0040.00417.21
8.1.110.0070.00017.33
8.1.100.0000.00717.31
8.1.90.0020.00517.33
8.1.80.0000.00717.35
8.1.70.0030.00317.18
8.1.60.0040.00417.39
8.1.50.0050.00317.39
8.1.40.0000.00717.26
8.1.30.0050.00317.52
8.1.20.0060.00317.47
8.1.10.0040.00417.39
8.1.00.0000.01017.26
8.0.300.0000.00718.77
8.0.290.0040.00416.75
8.0.280.0030.00318.38
8.0.270.0030.00317.16
8.0.260.0000.00617.18
8.0.250.0000.00716.85
8.0.240.0030.00316.95
8.0.230.0040.00416.80
8.0.220.0030.00316.75
8.0.210.0040.00316.64
8.0.200.0030.00616.76
8.0.190.0040.00416.88
8.0.180.0000.00716.69
8.0.170.0060.00316.65
8.0.160.0080.00016.73
8.0.150.0000.00716.71
8.0.140.0050.00216.77
8.0.130.0060.00013.15
8.0.120.0070.00016.77
8.0.110.0000.00716.70
8.0.100.0080.00016.62
8.0.90.0040.00416.55
8.0.80.0180.00316.80
8.0.70.0040.00416.70
8.0.60.0070.00016.62
8.0.50.0000.00716.58
8.0.30.0070.01216.94
8.0.20.0090.00917.40
8.0.10.0040.00416.95
8.0.00.0140.00616.51
7.4.330.0000.00715.03
7.4.320.0000.00616.37
7.4.300.0030.00316.44
7.4.290.0060.00316.46
7.4.280.0050.00216.40
7.4.270.0030.00316.46
7.4.260.0070.00016.34
7.4.250.0050.00216.33
7.4.240.0070.00016.36
7.4.230.0000.00716.29
7.4.220.0100.01316.35
7.4.210.0070.00716.39
7.4.200.0070.00016.39
7.4.160.0040.01216.36
7.4.150.0070.01117.40
7.4.140.0060.01517.86
7.4.130.0090.00816.31
7.4.120.0100.00916.39
7.4.110.0070.01016.24
7.4.100.0070.01116.25
7.4.90.0100.00716.30
7.4.80.0100.01019.39
7.4.70.0120.00916.40
7.4.60.0130.00316.35
7.4.50.0040.00416.44
7.4.40.0090.00916.29
7.4.30.0130.00316.35
7.4.00.0030.00914.85
7.3.330.0050.00013.04
7.3.320.0040.00913.11
7.3.310.0000.00716.07
7.3.300.0030.00316.02
7.3.290.0080.00716.11
7.3.280.0050.01216.14
7.3.270.0070.01017.40
7.3.260.0120.00616.21
7.3.250.0100.00716.10
7.3.240.0130.00416.28
7.3.230.0170.00716.39
7.3.210.0100.00616.24
7.3.200.0100.00716.36
7.3.190.0070.01516.20
7.3.180.0100.00516.45
7.3.170.0140.00816.33
7.3.160.0070.00816.13
7.2.330.0070.01016.35
7.2.320.0110.00616.43
7.2.310.0100.00616.45
7.2.300.0100.00716.60
7.2.290.0130.00416.59
7.2.00.0240.00618.73
7.1.100.0160.00318.14
7.1.70.0000.00716.99
7.1.60.0180.00719.50
7.1.50.0060.00916.73
7.1.00.0100.07022.28
7.0.200.0040.00714.79
7.0.140.0030.04722.09
7.0.60.0070.04019.81
7.0.50.0070.05317.74
7.0.40.0130.07720.08
7.0.30.0330.06720.17
7.0.20.0300.07320.12
7.0.10.0230.07720.21
7.0.00.0070.06720.13
5.6.280.0000.07721.06
5.6.210.0100.05320.45
5.6.200.0130.06318.09
5.6.190.0070.04020.29
5.6.180.0300.07320.36
5.6.170.0400.07020.52
5.6.160.0030.04320.38
5.6.150.0000.06718.23
5.6.140.0130.07718.11
5.6.130.0030.04318.20
5.6.120.0130.05720.88
5.6.110.0130.08321.13
5.6.100.0100.04020.95
5.6.90.0130.08720.95
5.6.80.0070.05720.36
5.5.350.0300.03720.37
5.5.340.0070.06318.02
5.5.330.0130.07020.18
5.5.320.0100.03720.42
5.5.310.0300.07720.33
5.5.300.0170.07018.02
5.5.290.0030.08318.02
5.5.280.0130.08020.79
5.5.270.0130.06320.86
5.5.260.0100.08020.66
5.5.250.0170.07320.68
5.5.240.0030.08720.06
5.4.450.0330.05719.61
5.4.440.0770.07019.24
5.4.430.0800.06319.61
5.4.420.0830.06019.52
5.4.410.0100.08318.97
5.4.400.0370.05318.83
5.4.390.0230.08018.55
5.4.380.0270.08318.77
5.4.370.1070.07018.46
5.4.360.0470.05318.62
5.4.350.1270.05318.70
5.4.340.0370.07318.69
5.4.320.0430.07318.61
5.4.310.2000.07718.56
5.4.300.0600.06018.59
5.4.290.0500.05318.70
5.4.280.1730.07318.68
5.4.270.0470.06718.45
5.4.260.0300.07318.67
5.4.250.0330.07718.71
5.4.240.0400.07318.73
5.4.230.0300.07718.64
5.4.220.0330.08018.58
5.4.210.1170.06718.63
5.4.200.0300.06016.46
5.4.190.0230.06318.50
5.4.180.0370.05718.67
5.4.170.0470.06718.47
5.4.160.1830.06718.63
5.4.150.0430.05718.75
5.4.140.0400.06716.09
5.4.130.1870.05716.20
5.4.120.0300.07316.35
5.4.110.0330.06016.24
5.4.100.0300.05716.21
5.4.90.0300.07716.13
5.4.80.0330.06316.16
5.4.70.0470.06016.02
5.4.60.1830.07016.02
5.4.50.0500.05016.03
5.4.40.0300.06016.06
5.4.30.0300.06316.21
5.4.20.1670.06016.19
5.4.10.0470.06716.28
5.4.00.0300.05015.48
5.3.290.0230.07014.71
5.3.280.0430.06314.54
5.3.270.1730.07314.53
5.3.260.1830.07314.53
5.3.250.0430.07014.59
5.3.240.1870.06714.60
5.3.230.0470.06714.69
5.3.220.0470.05714.51
5.3.210.1370.06314.59
5.3.200.0430.05714.66
5.3.190.0570.06014.61
5.3.180.0470.05314.47
5.3.170.0270.05714.45
5.3.160.1870.06314.46
5.3.150.0400.06714.58
5.3.140.1670.05714.60
5.3.130.0470.06014.47
5.3.120.0270.08314.52
5.3.110.2070.06314.64
5.3.100.0300.07714.03
5.3.90.0370.07014.05
5.3.80.0430.06314.01
5.3.70.0570.05713.94
5.3.60.0270.06313.91
5.3.50.0370.06313.91
5.3.40.1670.05014.04
5.3.30.0400.06713.82
5.3.20.2130.06313.71
5.3.10.0430.06713.57
5.3.00.0370.05013.53
5.2.170.0270.06011.09
5.2.160.1500.05011.14
5.2.150.0300.04011.14
5.2.140.0270.06011.14
5.2.130.1830.05311.14
5.2.120.0300.05711.07
5.2.110.0270.05711.10
5.2.100.0200.06311.07
5.2.90.0270.05711.07
5.2.80.0370.05711.23
5.2.70.2070.05011.02
5.2.60.0430.06011.10
5.2.50.2070.05011.16
5.2.40.0400.04011.13
5.2.30.0300.04011.00
5.2.20.0300.04311.01
5.2.10.1970.05710.83
5.2.00.0300.05010.82
5.1.60.0270.0409.99
5.1.50.0230.0509.94
5.1.40.0130.05710.03
5.1.30.1300.05310.30
5.1.20.0300.06010.36
5.1.10.0330.04710.13
5.1.00.0230.04310.13
5.0.50.0100.0478.60
5.0.40.0030.0508.54
5.0.30.1530.0408.25
5.0.20.0100.0438.27
5.0.10.0170.0378.34
5.0.00.0130.0508.19
4.4.90.0100.0336.61
4.4.80.0100.0306.61
4.4.70.0170.0236.61
4.4.60.0130.0276.61
4.4.50.0100.0306.61
4.4.40.1900.0406.61
4.4.30.0100.0306.61
4.4.20.0100.0306.61
4.4.10.0200.0236.61
4.4.00.0100.0476.61
4.3.110.0100.0306.61
4.3.100.0100.0236.61
4.3.90.0130.0206.61
4.3.80.0170.0376.61
4.3.70.0130.0276.61
4.3.60.0130.0276.61
4.3.50.0070.0376.61
4.3.40.0070.0506.61
4.3.30.0170.0206.61
4.3.20.0070.0236.61
4.3.10.0030.0276.61
4.3.00.0000.0306.64

preferences:
58.47 ms | 400 KiB | 5 Q