3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo count_chars( "1AAABBCCCDDDDDDD", 20);

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)
8.3.60.0110.00418.27
8.3.50.0060.01021.21
8.3.40.0150.00618.71
8.3.30.0090.00420.22
8.3.20.0040.00420.07
8.3.10.0030.00621.01
8.3.00.0040.00422.39
8.2.180.0120.00318.29
8.2.170.0060.00922.96
8.2.160.0070.00722.25
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0050.00326.16
8.2.120.0120.00620.70
8.2.110.0070.00320.47
8.2.100.0120.00017.91
8.2.90.0040.00418.09
8.2.80.0000.00917.97
8.2.70.0040.00417.63
8.2.60.0000.00917.80
8.2.50.0040.00418.07
8.2.40.0040.00418.03
8.2.30.0050.00219.30
8.2.20.0040.00417.57
8.2.10.0040.00417.59
8.2.00.0000.00717.54
8.1.270.0040.00423.99
8.1.260.0070.01126.35
8.1.250.0070.00028.09
8.1.240.0030.00622.14
8.1.230.0040.00820.97
8.1.220.0030.00617.74
8.1.210.0000.00818.77
8.1.200.0090.00017.35
8.1.190.0050.00217.28
8.1.180.0040.00418.10
8.1.170.0030.00718.25
8.1.160.0090.00018.73
8.1.150.0000.01018.50
8.1.140.0070.00017.22
8.1.130.0000.00917.86
8.1.120.0070.00017.28
8.1.110.0030.00317.34
8.1.100.0040.00417.32
8.1.90.0040.00417.32
8.1.80.0000.00717.20
8.1.70.0030.00317.20
8.1.60.0000.00817.46
8.1.50.0080.00017.33
8.1.40.0000.00717.45
8.1.30.0000.00717.55
8.1.20.0040.00417.42
8.1.10.0000.00717.50
8.1.00.0000.00817.31
8.0.300.0040.00420.15
8.0.290.0040.00417.05
8.0.280.0000.00718.41
8.0.270.0080.00017.24
8.0.260.0030.00316.81
8.0.250.0050.00216.98
8.0.240.0050.00316.90
8.0.230.0050.00216.97
8.0.220.0030.00316.91
8.0.210.0040.00416.79
8.0.200.0000.00616.98
8.0.190.0070.00016.90
8.0.180.0040.00416.93
8.0.170.0000.00816.87
8.0.160.0000.00717.00
8.0.150.0000.00716.93
8.0.140.0030.00416.81
8.0.130.0000.00513.27
8.0.120.0000.00816.80
8.0.110.0000.00816.76
8.0.100.0000.00716.71
8.0.90.0040.00416.91
8.0.80.0120.00316.85
8.0.70.0040.00416.73
8.0.60.0070.00016.76
8.0.50.0040.00416.85
8.0.30.0080.01016.85
8.0.20.0120.00617.40
8.0.10.0040.00416.89
8.0.00.0080.01016.67
7.4.330.0000.00516.79
7.4.320.0060.00016.36
7.4.300.0000.00616.36
7.4.290.0070.00016.36
7.4.280.0050.00216.40
7.4.270.0000.00716.35
7.4.260.0050.00013.06
7.4.250.0040.00416.43
7.4.240.0000.00716.43
7.4.230.0000.00716.48
7.4.220.0040.01716.39
7.4.210.0080.00816.38
7.4.200.0000.00716.56
7.4.190.0090.00016.24
7.4.160.0040.01116.46
7.4.150.0110.00617.40
7.4.140.0090.01217.86
7.4.130.0060.01016.36
7.4.120.0110.00616.41
7.4.110.0100.00716.34
7.4.100.0070.01016.34
7.4.90.0100.00716.26
7.4.80.0130.00719.39
7.4.70.0090.00616.52
7.4.60.0130.00516.54
7.4.50.0030.00616.59
7.4.40.0070.01022.77
7.4.30.0130.00316.49
7.4.00.0030.01214.85
7.3.330.0030.00313.02
7.3.320.0050.00013.16
7.3.310.0000.00716.28
7.3.300.0040.00416.21
7.3.290.0070.00616.22
7.3.280.0080.00816.17
7.3.270.0100.00617.40
7.3.260.0110.00618.24
7.3.250.0060.01116.26
7.3.240.0130.00316.28
7.3.230.0120.00616.47
7.3.210.0120.00616.14
7.3.200.0130.01019.39
7.3.190.0050.01316.34
7.3.180.0100.00616.46
7.3.170.0130.00316.27
7.3.160.0100.00616.57
7.3.120.0120.00314.70
7.2.330.0070.01016.54
7.2.320.0070.01016.25
7.2.310.0100.00716.58
7.2.300.0090.00616.31
7.2.290.0060.01016.68
7.2.00.0030.00919.51
7.1.100.0030.01218.02
7.1.70.0030.00516.66
7.1.60.0110.01419.17
7.1.50.0040.01816.95
7.1.00.0070.05722.44
7.0.200.0060.00316.40
7.0.140.0070.07022.01
7.0.100.0000.04319.87
7.0.90.0070.04020.02
7.0.80.0230.04319.94
7.0.70.0030.04019.89
7.0.60.0100.04719.91
7.0.50.0030.04320.24
7.0.40.0100.04020.09
7.0.30.0030.04720.11
7.0.20.0030.04320.05
7.0.10.0030.05720.14
7.0.00.0000.04720.07
5.6.280.0000.09320.89
5.6.250.0030.05720.66
5.6.240.0000.06720.61
5.6.230.0070.06720.67
5.6.220.0030.04720.52
5.6.210.0030.04720.58
5.6.200.0030.04021.03
5.6.190.0200.06021.08
5.6.180.0030.04721.11
5.6.170.0070.05721.07
5.6.160.0070.04020.93
5.6.150.0030.04021.13
5.6.140.0070.04321.06
5.6.130.0070.04721.02
5.6.120.0030.04320.93
5.6.110.0030.05020.99
5.6.100.0100.03720.93
5.6.90.0070.05020.91
5.6.80.0030.04020.39
5.6.70.0030.04020.46
5.6.60.0030.04020.41
5.6.50.0070.03720.40
5.6.40.0070.04020.49
5.6.30.0130.03020.44
5.6.20.0030.07020.30
5.6.10.0070.04020.43
5.6.00.0000.04720.43
5.5.380.0000.04320.44
5.5.370.0070.05320.56
5.5.360.0030.04720.38
5.5.350.0030.04320.46
5.5.340.0030.05320.87
5.5.330.0030.08720.64
5.5.320.0030.04020.73
5.5.310.0030.04020.83
5.5.300.0030.04020.77
5.5.290.0100.05020.72
5.5.280.0070.05320.87
5.5.270.0000.05020.88
5.5.260.0030.04320.88
5.5.250.0030.05020.54
5.5.240.0000.04320.25
5.5.230.0070.04720.22
5.5.220.0000.04320.25
5.5.210.0030.04020.02
5.5.200.0070.03720.27
5.5.190.0070.05020.24
5.5.180.0030.04020.26
5.5.160.0070.07020.14
5.5.150.0000.04320.23
5.5.140.0030.03720.16
5.5.130.0000.04319.98
5.5.120.0100.03320.07
5.5.110.0000.04020.16
5.5.100.0070.03719.96
5.5.90.0000.04719.89
5.5.80.0070.03720.03
5.5.70.0000.04320.08
5.5.60.0070.03320.05
5.5.50.0070.04020.11
5.5.40.0030.03720.06
5.5.30.0070.03720.04
5.5.20.0030.04020.02
5.5.10.0030.04020.05
5.5.00.0130.04320.11
5.4.450.0070.03719.37
5.4.440.0000.04319.30
5.4.430.0070.04719.11
5.4.420.0000.05719.35
5.4.410.0100.03319.43
5.4.400.0030.04019.14
5.4.390.0000.04318.90
5.4.380.0030.04018.95
5.4.370.0030.04019.15
5.4.360.0100.03319.12
5.4.350.0130.03319.14
5.4.340.0070.04319.06
5.4.320.0000.04019.07
5.4.310.0030.04018.98
5.4.300.0070.03319.15
5.4.290.0030.04018.89
5.4.280.0100.05719.07
5.4.270.0130.03318.98
5.4.260.0030.06018.78
5.4.250.0070.06018.94
5.4.240.0100.04718.78
5.4.230.0030.03718.80
5.4.220.0030.08318.78
5.4.210.0030.04719.11
5.4.200.0030.03718.80
5.4.190.0100.05719.09
5.4.180.0000.04019.09
5.4.170.0000.06319.14
5.4.160.0100.03018.80
5.4.150.0070.03718.80
5.4.140.0030.03716.20
5.4.130.0030.03716.29
5.4.120.0030.04716.29
5.4.110.0000.04016.41
5.4.100.0000.04016.27
5.4.90.0000.05716.21
5.4.80.0130.02716.43
5.4.70.0030.04016.29
5.4.60.0000.04016.30
5.4.50.0070.05016.32
5.4.40.0030.03716.33
5.4.30.0030.03716.18
5.4.20.0070.03316.31
5.4.10.0000.04016.28
5.4.00.0130.04015.76
5.3.290.0030.03714.65
5.3.280.0030.04014.53
5.3.270.0100.03714.59
5.3.260.0030.04714.42
5.3.250.0000.05314.47
5.3.240.0170.02714.46
5.3.230.0070.03314.45
5.3.220.0070.06314.42
5.3.210.0100.03014.50
5.3.200.0070.03314.55
5.3.190.0030.04714.51
5.3.180.0100.03014.51
5.3.170.0100.03014.52
5.3.160.0130.04014.47
5.3.150.0000.04014.42
5.3.140.0030.06714.51
5.3.130.0030.04314.54
5.3.120.0070.04014.48
5.3.110.0070.03714.40
5.3.100.0070.05713.89
5.3.90.0000.04713.98
5.3.80.0000.04013.77
5.3.70.0130.04714.00
5.3.60.0000.04013.98
5.3.50.0070.04013.94
5.3.40.0070.07313.89
5.3.30.0070.03713.91
5.3.20.0030.03313.64
5.3.10.0030.05313.59
5.3.00.0170.06013.54
5.2.170.0070.02711.18
5.2.160.0000.03011.22
5.2.150.0000.04011.13
5.2.140.0000.03311.13
5.2.130.0070.02311.14
5.2.120.0100.05010.94
5.2.110.0070.03711.09
5.2.100.0000.03011.08
5.2.90.0000.03010.95
5.2.80.0030.04011.01
5.2.70.0000.03011.11
5.2.60.0030.03011.01
5.2.50.0000.03011.08
5.2.40.0000.03310.99
5.2.30.0000.03010.96
5.2.20.0000.03010.92
5.2.10.0030.03010.87
5.2.00.0000.03710.66
5.1.60.0000.0279.96
5.1.50.0030.04010.04
5.1.40.0000.0339.85
5.1.30.0070.02310.19
5.1.20.0070.02310.37
5.1.10.0000.03310.10
5.1.00.0000.04710.10
5.0.50.0000.0308.42
5.0.40.0000.0208.23
5.0.30.0000.0308.16
5.0.20.0030.0178.27
5.0.10.0030.0278.24
5.0.00.0000.0438.16
4.4.90.0000.0178.16
4.4.80.0030.0138.16
4.4.70.0070.0138.16
4.4.60.0100.0208.16
4.4.50.0000.0208.16
4.4.40.0000.0308.16
4.4.30.0070.0108.16
4.4.20.0030.0178.16
4.4.10.0000.0178.16
4.4.00.0030.0238.16
4.3.110.0030.0178.16
4.3.100.0000.0338.16
4.3.90.0000.0208.16
4.3.80.0000.0408.16
4.3.70.0070.0138.16
4.3.60.0000.0138.16
4.3.50.0030.0138.16
4.3.40.0000.0238.16
4.3.30.0000.0238.16
4.3.20.0000.0178.16
4.3.10.0000.0178.16
4.3.00.0000.0308.16

preferences:
63.95 ms | 400 KiB | 5 Q