3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo count_chars( "1AAABBCCCDDDDDDD",2 );

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)
8.3.60.0070.01016.50
8.3.50.0120.00622.92
8.3.40.0100.00318.73
8.3.30.0100.00318.92
8.3.20.0040.00420.09
8.3.10.0080.00023.48
8.3.00.0040.00419.13
8.2.180.0040.01218.17
8.2.170.0110.00422.96
8.2.160.0090.00520.36
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0100.00326.16
8.2.120.0000.00820.95
8.2.110.0090.00020.33
8.2.100.0080.00417.88
8.2.90.0070.00219.06
8.2.80.0000.00817.97
8.2.70.0040.00417.50
8.2.60.0000.00817.80
8.2.50.0000.00818.07
8.2.40.0050.00318.09
8.2.30.0000.00717.98
8.2.20.0070.00017.62
8.2.10.0040.00417.80
8.2.00.0040.00417.45
8.1.280.0110.00425.92
8.1.270.0050.00323.84
8.1.260.0050.00226.35
8.1.250.0110.00328.09
8.1.240.0120.00023.61
8.1.230.0110.00020.97
8.1.220.0000.00717.74
8.1.210.0050.00318.77
8.1.200.0040.00417.35
8.1.190.0040.00416.98
8.1.180.0000.00818.10
8.1.170.0040.00418.53
8.1.160.0070.00021.88
8.1.150.0000.00718.74
8.1.140.0000.00717.23
8.1.130.0030.00317.68
8.1.120.0040.00417.35
8.1.110.0000.00717.23
8.1.100.0050.00217.34
8.1.90.0030.00317.36
8.1.80.0000.00817.34
8.1.70.0070.00017.17
8.1.60.0090.00017.41
8.1.50.0000.00817.38
8.1.40.0030.00617.39
8.1.30.0000.00817.41
8.1.20.0040.00417.58
8.1.10.0040.00417.46
8.1.00.0040.00417.38
8.0.300.0000.00718.77
8.0.290.0070.00016.88
8.0.280.0000.00818.23
8.0.270.0000.00717.27
8.0.260.0030.00317.20
8.0.250.0000.00616.82
8.0.240.0070.00316.92
8.0.230.0000.00716.89
8.0.220.0070.00016.83
8.0.210.0000.00716.77
8.0.200.0060.00016.90
8.0.190.0070.00416.73
8.0.180.0040.00416.73
8.0.170.0040.00416.82
8.0.160.0060.00316.81
8.0.150.0080.00016.71
8.0.140.0000.00816.76
8.0.130.0050.00013.25
8.0.120.0000.00716.76
8.0.110.0000.00816.77
8.0.100.0050.00216.71
8.0.90.0070.00016.85
8.0.80.0120.00916.88
8.0.70.0040.00416.71
8.0.60.0000.00716.77
8.0.50.0070.00016.89
8.0.30.0120.01416.96
8.0.20.0100.00817.40
8.0.10.0040.00416.98
8.0.00.0100.01216.88
7.4.330.0000.00615.00
7.4.320.0030.00316.38
7.4.300.0000.00616.48
7.4.290.0000.00816.48
7.4.280.0070.00016.38
7.4.270.0030.00316.38
7.4.260.0040.00416.39
7.4.250.0030.00316.28
7.4.240.0020.00516.31
7.4.230.0000.00716.54
7.4.220.0130.01316.38
7.4.210.0100.00316.49
7.4.200.0070.00016.25
7.4.160.0130.00616.38
7.4.150.0130.00317.40
7.4.140.0110.00517.86
7.4.130.0100.00716.45
7.4.120.0100.00816.54
7.4.110.0100.00616.48
7.4.100.0130.00316.33
7.4.90.0030.01416.64
7.4.80.0170.00719.39
7.4.70.0100.01116.25
7.4.60.0120.00616.59
7.4.50.0060.00316.56
7.4.40.0100.00716.26
7.4.30.0110.00916.38
7.4.00.0070.00714.89
7.3.330.0000.00513.08
7.3.320.0000.00713.05
7.3.310.0000.00616.21
7.3.300.0070.00016.17
7.3.290.0000.01416.18
7.3.280.0100.00816.18
7.3.270.0090.00817.40
7.3.260.0110.00616.21
7.3.250.0110.01116.22
7.3.240.0040.01416.51
7.3.230.0030.01316.39
7.3.210.0120.00616.36
7.3.200.0180.00019.39
7.3.190.0110.01116.43
7.3.180.0060.01016.03
7.3.170.0030.01316.48
7.3.160.0130.00416.36
7.2.330.0130.01016.45
7.2.320.0120.00916.50
7.2.310.0090.00916.54
7.2.300.0080.00816.53
7.2.290.0160.00316.26
7.2.60.0100.00716.76
7.2.50.0100.00316.80
7.1.200.0060.00615.51
7.1.70.0070.00417.00
7.1.60.0030.00919.40
7.1.50.0110.01416.92
7.1.00.0070.07022.27
7.0.200.0000.00916.81
7.0.140.0000.07722.18
7.0.60.0000.08321.72
7.0.50.0100.04017.80
7.0.40.0070.07720.30
7.0.30.0330.08020.18
7.0.20.0300.07720.18
7.0.10.0130.08320.20
7.0.00.0000.06020.16
5.6.280.0100.06721.16
5.6.210.0070.07320.62
5.6.200.0030.08018.22
5.6.190.0070.08020.67
5.6.180.0300.07020.56
5.6.170.0370.07320.71
5.6.160.0130.07720.41
5.6.150.0030.08018.22
5.6.140.0070.06318.14
5.6.130.0070.06018.21
5.6.120.0070.08720.99
5.6.110.0000.07321.14
5.6.100.0070.06320.99
5.6.90.0030.09021.07
5.6.80.0000.08320.48
5.5.350.2930.03020.47
5.5.340.0030.05718.00
5.5.330.0130.05720.20
5.5.320.0600.05720.26
5.5.310.0330.07720.30
5.5.300.0170.05017.92
5.5.290.0030.05317.95
5.5.280.0070.04320.85
5.5.270.0030.06020.89
5.5.260.0130.07320.79
5.5.250.0100.06320.68
5.5.240.0030.07320.15
5.4.450.4870.03019.30
5.4.440.3900.03719.50
5.4.430.3630.04019.48
5.4.420.3470.04319.58
5.4.410.4470.03719.24
5.4.400.3770.03319.07
5.4.390.3830.03018.97
5.4.380.4070.02719.06
5.4.370.4300.03319.16
5.4.360.4430.04719.20
5.4.350.3730.03719.26
5.4.340.3500.03719.16
5.4.320.3730.03719.04
5.4.310.3700.03318.93
5.4.300.4070.03719.15
5.4.290.4170.04318.87
5.4.280.4400.04018.92
5.4.270.4630.02719.04
5.4.260.4500.03718.96
5.4.250.4430.04019.15
5.4.240.4530.04318.85
5.4.230.3830.03018.99
5.4.220.3700.03718.99
5.4.210.4330.03718.96
5.4.200.4630.03719.20
5.4.190.4370.04018.91
5.4.180.4030.03719.11
5.4.170.3770.03718.98
5.4.160.0070.03719.02
5.4.150.0130.07319.14
5.4.140.4770.04016.48
5.4.130.4330.03716.26
5.4.120.3900.03316.36
5.4.110.3970.04316.37
5.4.100.3870.03716.45
5.4.90.4070.03716.29
5.4.80.3870.03716.32
5.4.70.3930.04016.14
5.4.60.4430.03316.22
5.4.50.0170.06016.32
5.4.40.0600.03016.33
5.4.30.4600.03316.16
5.4.20.3970.03016.33
5.4.10.3670.03716.14
5.4.00.3830.03715.77
5.3.290.3700.03714.61
5.3.280.3630.04314.59
5.3.270.4400.04314.57
5.3.260.1670.03714.51
5.3.250.0070.05714.65
5.3.240.3970.03714.42
5.3.230.4530.04014.55
5.3.220.3630.03714.48
5.3.210.4400.03714.52
5.3.200.3830.03314.49
5.3.190.4070.03314.55
5.3.180.4270.04314.54
5.3.170.3970.03714.54
5.3.160.4270.04014.52
5.3.150.2230.04014.51
5.3.140.0070.05314.52
5.3.130.4300.04314.39
5.3.120.4400.04014.48
5.3.110.3670.04014.50
5.3.100.4000.03013.99
5.3.90.4370.04013.98
5.3.80.4200.04014.02
5.3.70.4430.03313.86
5.3.60.4730.03713.99
5.3.50.4700.03013.85
5.3.40.3630.04014.07
5.3.30.4070.04013.89
5.3.20.4900.02713.55
5.3.10.4070.04713.66
5.3.00.3870.03713.59
5.2.170.4000.02711.11
5.2.160.3600.02011.07
5.2.150.3500.02311.12
5.2.140.3330.02011.25
5.2.130.3270.03010.95
5.2.120.3330.03011.07
5.2.110.3370.02711.01
5.2.100.3130.02711.12
5.2.90.3100.02711.30
5.2.80.3330.02711.03
5.2.70.3300.02311.27
5.2.60.4100.02311.04
5.2.50.3800.03011.03
5.2.40.2770.03310.95
5.2.30.2800.02710.90
5.2.20.2630.02310.96
5.2.10.2570.03010.87
5.2.00.2530.02310.73
5.1.60.2570.02010.18
5.1.50.2500.03010.07
5.1.40.2630.0239.98
5.1.30.2530.02710.35
5.1.20.3400.02010.37
5.1.10.2870.02310.09
5.1.00.3200.02310.00
5.0.50.1670.0138.53
5.0.40.1700.0238.28
5.0.30.1670.0308.20
5.0.20.1470.0208.19
5.0.10.1230.0238.10
5.0.00.1270.0308.09
4.4.90.1230.0276.09
4.4.80.1770.0136.09
4.4.70.1230.0176.09
4.4.60.1200.0206.09
4.4.50.1230.0176.09
4.4.40.1630.0306.09
4.4.30.1370.0176.09
4.4.20.1700.0176.09
4.4.10.1630.0206.09
4.4.00.1300.0276.09
4.3.110.1800.0136.09
4.3.100.1670.0176.09
4.3.90.0970.0076.09
4.3.80.1530.0206.09
4.3.70.1400.0136.09
4.3.60.1500.0206.09
4.3.50.1430.0176.09
4.3.40.1300.0236.09
4.3.30.0800.0276.09
4.3.20.0670.0176.09
4.3.10.0730.0176.09
4.3.00.0830.0206.09

preferences:
44.52 ms | 400 KiB | 5 Q