3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo count_chars( "1AAABBCCCDDDccDDDD", 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)
8.3.60.0120.00318.31
8.3.50.0080.00721.91
8.3.40.0070.00718.51
8.3.30.0140.00018.91
8.3.20.0070.00020.04
8.3.10.0040.00423.61
8.3.00.0070.00018.83
8.2.180.0190.00318.38
8.2.170.0120.00322.96
8.2.160.0130.00020.38
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0100.00726.16
8.2.120.0080.00019.11
8.2.110.0060.00322.13
8.2.100.0040.00717.66
8.2.90.0070.00019.13
8.2.80.0000.00817.97
8.2.70.0030.00617.50
8.2.60.0000.01117.65
8.2.50.0080.00018.07
8.2.40.0030.00619.97
8.2.30.0000.00718.20
8.2.20.0080.00017.68
8.2.10.0040.00417.90
8.2.00.0000.00717.50
8.1.280.0130.00725.92
8.1.270.0040.00423.96
8.1.260.0050.00326.35
8.1.250.0030.00628.09
8.1.240.0060.00323.97
8.1.230.0070.00319.23
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0030.00616.88
8.1.190.0050.00317.22
8.1.180.0040.00418.10
8.1.170.0090.00018.47
8.1.160.0050.00221.93
8.1.150.0080.00018.55
8.1.140.0050.00217.31
8.1.130.0000.00719.54
8.1.120.0000.00717.39
8.1.110.0030.00317.22
8.1.100.0000.00717.20
8.1.90.0000.00717.32
8.1.80.0000.00717.39
8.1.70.0030.00317.20
8.1.60.0000.00917.34
8.1.50.0000.00717.24
8.1.40.0000.00917.41
8.1.30.0040.00417.50
8.1.20.0070.00017.42
8.1.10.0000.00817.41
8.1.00.0070.00017.43
8.0.300.0000.00718.77
8.0.290.0040.00416.75
8.0.280.0030.00318.37
8.0.270.0070.00017.24
8.0.260.0030.00317.07
8.0.250.0000.00816.84
8.0.240.0040.00416.89
8.0.230.0030.00316.66
8.0.220.0000.00816.74
8.0.210.0000.00716.64
8.0.200.0000.00716.81
8.0.190.0030.00316.82
8.0.180.0080.00016.81
8.0.170.0000.00716.79
8.0.160.0070.00016.70
8.0.150.0030.00316.71
8.0.140.0000.00916.70
8.0.130.0000.00513.18
8.0.120.0080.00016.68
8.0.110.0070.00016.68
8.0.100.0000.00816.59
8.0.90.0090.00016.69
8.0.80.0140.00716.71
8.0.70.0000.00716.54
8.0.60.0030.00316.58
8.0.50.0040.00416.65
8.0.30.0050.01316.76
8.0.20.0200.02517.40
8.0.10.0050.00316.83
8.0.00.0140.00816.67
7.4.330.0000.00515.01
7.4.320.0000.00616.27
7.4.300.0000.00716.34
7.4.290.0030.00316.37
7.4.280.0030.00516.41
7.4.270.0060.00316.51
7.4.260.0050.00516.37
7.4.250.0080.00016.32
7.4.240.0030.00416.48
7.4.230.0030.00316.11
7.4.220.0120.01216.40
7.4.210.0120.00616.42
7.4.200.0030.00316.35
7.4.160.0180.00416.53
7.4.150.0000.01817.40
7.4.140.0120.00717.86
7.4.130.0080.00916.40
7.4.120.0100.00916.37
7.4.110.0030.01316.44
7.4.100.0130.01016.31
7.4.90.0070.01016.33
7.4.80.0090.01219.39
7.4.70.0150.00016.31
7.4.60.0090.00916.28
7.4.50.0040.00416.41
7.4.40.0120.00416.34
7.4.30.0160.00016.26
7.4.00.0070.00714.73
7.3.330.0000.00513.02
7.3.320.0020.00213.05
7.3.310.0080.00015.97
7.3.300.0030.00316.15
7.3.290.0000.01416.11
7.3.280.0080.01016.12
7.3.270.0080.00817.40
7.3.260.0130.01016.33
7.3.250.0090.00916.43
7.3.240.0120.00916.45
7.3.230.0130.00316.39
7.3.210.0030.01316.30
7.3.200.0070.01019.39
7.3.190.0120.00916.41
7.3.180.0060.01216.16
7.3.170.0100.01016.36
7.3.160.0130.00316.23
7.3.120.0070.00414.48
7.2.330.0070.01016.54
7.2.320.0130.00316.25
7.2.310.0100.00716.44
7.2.300.0030.01516.53
7.2.290.0130.00316.31
7.2.00.0200.00719.16
7.1.100.0080.00817.68
7.1.70.0030.01017.03
7.1.60.0160.00919.70
7.1.50.0100.01316.86
7.1.00.0030.07722.33
7.0.200.0000.00716.68
7.0.140.0000.07721.95
7.0.100.0370.06019.92
7.0.90.0200.08319.85
7.0.80.0230.08019.86
7.0.70.0170.07719.84
7.0.60.0330.09019.94
7.0.50.0300.07020.29
7.0.40.0130.07720.04
7.0.30.0100.06720.11
7.0.20.0130.06720.11
7.0.10.0230.06720.17
7.0.00.0130.08019.99
5.6.280.0070.07020.99
5.6.250.0130.07320.59
5.6.240.0100.05320.63
5.6.230.0030.08720.71
5.6.220.0030.08320.64
5.6.210.0230.06320.48
5.6.200.0070.08720.93
5.6.190.0100.08721.00
5.6.180.0000.07020.91
5.6.170.0100.08021.03
5.6.160.0170.07321.07
5.6.150.0130.07721.05
5.6.140.0070.09020.94
5.6.130.0200.07020.95
5.6.120.0170.05321.07
5.6.110.0170.08020.96
5.6.100.0070.08320.98
5.6.90.0130.08021.01
5.6.80.0070.04720.37
5.6.70.0170.07020.38
5.6.60.0100.08320.41
5.6.50.0100.07020.38
5.6.40.0100.08020.30
5.6.30.0130.05020.36
5.6.20.0130.07020.38
5.6.10.0130.07020.41
5.6.00.0100.04020.37
5.5.380.0030.07020.34
5.5.370.0100.07720.41
5.5.360.0030.08720.37
5.5.350.0230.08720.41
5.5.340.0030.06020.87
5.5.330.0100.04720.86
5.5.320.0030.08320.91
5.5.310.0030.04320.89
5.5.300.0030.08320.76
5.5.290.0130.07320.77
5.5.280.0170.07020.79
5.5.270.0030.09020.78
5.5.260.0030.06320.84
5.5.250.0070.04720.63
5.5.240.0130.07020.26
5.5.230.0000.05020.14
5.5.220.0070.05020.26
5.5.210.0170.03020.13
5.5.200.0030.08020.23
5.5.190.0100.07320.23
5.5.180.0000.08320.20
5.5.160.0030.07720.24
5.5.150.0000.08020.20
5.5.140.0070.07320.20
5.5.130.0100.07720.24
5.5.120.0100.07020.22
5.5.110.0100.07020.13
5.5.100.0130.06320.13
5.5.90.0200.03720.11
5.5.80.0130.06720.14
5.5.70.0100.05720.13
5.5.60.0030.05020.07
5.5.50.0130.07320.13
5.5.40.0230.08320.05
5.5.30.0070.05320.08
5.5.20.0130.05020.04
5.5.10.0000.04720.13
5.5.00.0000.04320.03
5.4.450.0070.04319.47
5.4.440.0030.08719.44
5.4.430.0000.09019.35
5.4.420.0000.04719.37
5.4.410.0100.07019.23
5.4.400.0030.07718.82
5.4.390.0070.04319.13
5.4.380.0130.07019.10
5.4.370.0070.04018.98
5.4.360.0100.07718.79
5.4.350.0100.06318.81
5.4.340.0070.04319.04
5.4.320.0070.08018.90
5.4.310.0030.07719.11
5.4.300.0030.08719.11
5.4.290.0030.06019.14
5.4.280.0070.06719.02
5.4.270.0030.04318.98
5.4.260.0100.07319.04
5.4.250.0100.03319.12
5.4.240.0170.04718.94
5.4.230.0070.04318.96
5.4.220.0070.03719.11
5.4.210.0100.07718.94
5.4.200.0130.04319.12
5.4.190.0130.07019.13
5.4.180.0070.04319.11
5.4.170.0070.04018.89
5.4.160.0130.05719.00
5.4.150.0070.07319.07
5.4.140.0030.03716.28
5.4.130.0070.07316.27
5.4.120.0000.05316.27
5.4.110.0030.07716.30
5.4.100.0130.07716.35
5.4.90.0100.03716.36
5.4.80.0100.06316.25
5.4.70.0030.07316.40
5.4.60.0130.06316.30
5.4.50.0030.08016.38
5.4.40.0130.04016.46
5.4.30.0070.06716.18
5.4.20.0100.04316.29
5.4.10.0100.07016.22
5.4.00.0130.05315.71
5.3.290.0030.05014.56
5.3.280.0030.04314.45
5.3.270.0000.06014.56
5.3.260.0030.07314.61
5.3.250.0070.07714.56
5.3.240.0070.06014.57
5.3.230.0100.06314.59
5.3.220.0130.05314.42
5.3.210.0130.07014.55
5.3.200.0070.07314.54
5.3.190.0170.07014.42
5.3.180.0070.05714.41
5.3.170.0070.07014.39
5.3.160.0070.04014.50
5.3.150.0070.06314.52
5.3.140.0100.06014.54
5.3.130.0100.06314.36
5.3.120.0070.07014.54
5.3.110.0100.06014.54
5.3.100.0070.05714.01
5.3.90.0070.07713.83
5.3.80.0000.08313.94
5.3.70.0070.07313.78
5.3.60.0070.07313.81
5.3.50.0130.06013.92
5.3.40.0100.07313.89
5.3.30.0030.05013.89
5.3.20.0030.07013.64
5.3.10.0030.04013.63
5.3.00.0070.07313.51
5.2.170.0070.05711.13
5.2.160.0070.03711.06
5.2.150.0030.06711.19
5.2.140.0070.05311.20
5.2.130.0030.06310.94
5.2.120.0070.05710.93
5.2.110.0030.06310.93
5.2.100.0070.05711.16
5.2.90.0030.03311.08
5.2.80.0030.06711.09
5.2.70.0030.06711.07
5.2.60.0070.04710.96
5.2.50.0070.04011.05
5.2.40.0030.06010.98
5.2.30.0070.03010.79
5.2.20.0170.04710.94
5.2.10.0100.05010.82
5.2.00.0030.04010.73
5.1.60.0030.02310.03
5.1.50.0030.02710.02
5.1.40.0070.0209.81
5.1.30.0000.02710.39
5.1.20.0030.02310.35
5.1.10.0000.02710.11
5.1.00.0000.03010.09
5.0.50.0000.0208.57
5.0.40.0030.0208.46
5.0.30.0070.0238.46
5.0.20.0000.0208.46
5.0.10.0000.0238.46
5.0.00.0000.0338.46
4.4.90.0070.0178.46
4.4.80.0030.0338.46
4.4.70.0000.0208.46
4.4.60.0000.0338.46
4.4.50.0000.0208.46
4.4.40.0000.0278.46
4.4.30.0030.0138.46
4.4.20.0030.0178.46
4.4.10.0000.0138.46
4.4.00.0000.0238.46
4.3.110.0030.0138.46
4.3.100.0030.0138.46
4.3.90.0000.0208.46
4.3.80.0000.0278.46
4.3.70.0000.0178.46
4.3.60.0000.0138.46
4.3.50.0000.0178.46
4.3.40.0000.0378.46
4.3.30.0030.0138.46
4.3.20.0030.0138.46
4.3.10.0000.0178.46
4.3.00.0030.0108.46

preferences:
54.05 ms | 401 KiB | 5 Q