3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = "abcdefffefa"; $b = "afe"; print(str_replace(array_unic(explode('', $a)), '', $b));

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)
8.3.60.0070.00718.30
8.3.50.0090.01021.93
8.3.40.0090.00618.96
8.3.30.0060.00919.14
8.3.20.0040.00420.29
8.3.10.0060.00320.70
8.3.00.0080.00019.50
8.2.180.0120.00318.23
8.2.170.0100.01022.96
8.2.160.0120.00920.20
8.2.150.0050.00224.18
8.2.140.0060.00324.66
8.2.130.0000.00726.16
8.2.120.0040.00421.03
8.2.110.0060.00320.99
8.2.100.0040.00717.78
8.2.90.0050.00219.09
8.2.80.0030.00517.97
8.2.70.0080.00017.63
8.2.60.0000.00817.80
8.2.50.0040.00418.07
8.2.40.0030.00618.03
8.2.30.0000.01019.41
8.2.20.0050.00317.59
8.2.10.0080.00018.11
8.2.00.0000.00817.79
8.1.280.0070.00725.92
8.1.270.0100.00023.92
8.1.260.0050.00226.35
8.1.250.0050.00328.09
8.1.240.0100.00719.11
8.1.230.0080.00319.21
8.1.220.0050.00317.74
8.1.210.0030.00518.77
8.1.200.0060.00317.23
8.1.190.0040.00417.35
8.1.180.0090.00018.10
8.1.170.0060.00618.45
8.1.160.0000.00821.90
8.1.150.0040.00418.84
8.1.140.0040.00417.45
8.1.130.0030.00317.74
8.1.120.0000.00717.30
8.1.110.0070.00017.31
8.1.100.0030.00517.30
8.1.90.0070.00017.29
8.1.80.0050.00317.38
8.1.70.0000.00717.33
8.1.60.0030.00617.42
8.1.50.0040.00417.48
8.1.40.0000.00717.47
8.1.30.0040.00417.48
8.1.20.0080.00017.48
8.1.10.0020.00517.54
8.1.00.0040.00417.38
8.0.300.0040.00418.77
8.0.290.0040.00416.63
8.0.280.0000.00718.38
8.0.270.0030.00317.13
8.0.260.0000.00617.19
8.0.250.0030.00317.00
8.0.240.0070.00016.96
8.0.230.0070.00016.87
8.0.220.0030.00316.89
8.0.210.0000.01016.70
8.0.200.0000.00716.81
8.0.190.0070.00016.86
8.0.180.0030.00516.91
8.0.170.0030.00616.94
8.0.160.0040.00416.79
8.0.150.0030.00316.82
8.0.140.0040.00416.83
8.0.130.0030.00313.23
8.0.120.0000.00816.81
8.0.110.0030.00616.87
8.0.100.0050.00316.78
8.0.90.0070.00016.78
8.0.80.0120.00316.95
8.0.70.0040.00416.96
8.0.60.0000.00816.92
8.0.50.0000.00716.78
8.0.30.0130.00717.10
8.0.20.0120.00617.40
8.0.10.0040.00416.88
8.0.00.0100.00816.67
7.4.330.0050.00015.00
7.4.320.0030.00316.43
7.4.300.0030.00316.51
7.4.290.0070.00016.61
7.4.280.0000.00816.53
7.4.270.0000.00816.44
7.4.260.0000.00816.57
7.4.250.0000.00716.36
7.4.240.0040.00416.51
7.4.230.0070.00016.26
7.4.220.0140.00416.67
7.4.210.0030.01216.62
7.4.200.0030.00316.53
7.4.160.0070.01516.32
7.4.150.0110.00717.40
7.4.140.0160.00317.86
7.4.130.0050.01116.54
7.4.120.0120.00816.54
7.4.110.0070.01016.46
7.4.100.0040.01516.42
7.4.90.0070.01016.49
7.4.80.0100.01319.39
7.4.70.0150.00716.50
7.4.60.0130.00316.41
7.4.50.0040.00416.45
7.4.40.0130.00316.60
7.4.30.0080.00816.64
7.4.00.0070.01014.84
7.3.330.0000.00513.02
7.3.320.0070.00013.17
7.3.310.0060.00016.10
7.3.300.0000.00616.29
7.3.290.0120.00916.23
7.3.280.0090.00616.26
7.3.270.0100.00717.40
7.3.260.0130.00316.36
7.3.250.0140.00716.49
7.3.240.0130.01016.32
7.3.230.0100.00716.63
7.3.210.0110.00516.27
7.3.200.0110.01119.39
7.3.190.0150.00616.39
7.3.180.0090.00616.24
7.3.170.0060.01316.30
7.3.160.0080.00816.48
7.3.120.0120.00814.76
7.3.110.0140.00314.59
7.3.100.0060.01214.71
7.3.90.0030.00814.54
7.3.80.0030.01015.02
7.3.70.0030.01314.72
7.3.60.0090.00614.66
7.3.50.0090.00614.65
7.3.40.0070.01314.45
7.3.30.0040.01514.84
7.3.20.0030.01016.52
7.3.10.0030.00616.36
7.3.00.0070.01016.35
7.2.330.0030.01316.46
7.2.320.0100.00916.43
7.2.310.0140.00516.59
7.2.300.0070.01016.39
7.2.290.0100.00616.52
7.2.250.0070.01314.98
7.2.240.0100.01014.81
7.2.230.0100.00914.82
7.2.220.0040.00415.12
7.2.210.0040.01115.00
7.2.200.0040.00814.92
7.2.190.0090.00614.75
7.2.180.0080.00814.84
7.2.170.0110.00714.91
7.2.60.0070.00716.61
7.2.00.0040.00419.10
7.1.330.0140.00015.54
7.1.320.0030.00615.66
7.1.310.0030.00615.54
7.1.300.0000.01015.38
7.1.290.0030.01115.75
7.1.280.0130.00315.40
7.1.270.0000.01115.66
7.1.260.0070.01015.73
7.1.200.0090.00615.65
7.1.100.0000.01118.03
7.1.70.0030.00616.89
7.1.60.0100.01419.61
7.1.50.0070.01416.93
7.1.00.0030.07322.43
7.0.200.1210.01014.74
7.0.140.0070.07022.15
7.0.60.0000.09320.00
7.0.50.0100.07717.89
7.0.40.0030.07720.20
7.0.30.0170.05020.01
7.0.20.0170.04020.16
7.0.10.0170.06020.04
7.0.00.0170.08020.00
5.6.210.0100.07720.68
5.6.200.0100.06318.18
5.6.190.0070.08020.48
5.6.180.0270.04320.41
5.6.170.0200.08320.50
5.6.160.0070.08320.50
5.6.150.0070.06318.14
5.6.140.0100.08018.18
5.6.130.0130.04318.14
5.6.120.0100.07720.89
5.6.110.0200.07720.97
5.6.100.0100.07321.01
5.6.90.0070.04720.87
5.6.80.0170.07320.36
5.6.70.0370.04020.36
5.5.350.0030.03720.38
5.5.340.0070.04317.89
5.5.330.0270.06020.15
5.5.320.0270.05320.17
5.5.310.0330.07720.29
5.5.300.0030.03717.98
5.5.290.0030.04017.87
5.5.280.0100.08320.97
5.5.270.0030.09020.76
5.5.260.0200.07020.77
5.5.250.0030.09020.61
5.5.240.0130.04020.27
5.4.450.1100.05319.54
5.4.440.1130.03719.57
5.4.430.0130.04019.38
5.4.420.0200.04319.54
5.4.410.0130.04319.30
5.4.400.0230.04319.09
5.4.390.0370.03719.11
5.4.380.0500.05718.56
5.4.370.0330.05318.71
5.4.360.0300.05018.51
5.4.350.0330.07018.67
5.4.340.0570.07318.56
5.4.320.0080.03512.45
5.4.310.0080.03612.45
5.4.300.0070.03712.45
5.4.290.0080.03612.45
5.4.280.0060.03512.35
5.4.270.0050.03712.35
5.4.260.0050.03812.35
5.4.250.0070.03812.35
5.4.240.0100.03312.34
5.4.230.0050.03912.34
5.4.220.0060.03612.34
5.4.210.0050.03912.34
5.4.200.0070.03612.34
5.4.190.0040.03812.34
5.4.180.0110.03212.33
5.4.170.0070.03612.34
5.4.160.0080.03712.34
5.4.150.0040.03712.34
5.4.140.0080.04612.02
5.4.130.0070.03412.01
5.4.120.0070.04311.96
5.4.110.0120.03211.96
5.4.100.0060.03811.96
5.4.90.0080.03511.96
5.4.80.0050.03911.96
5.4.70.0060.03611.96
5.4.60.0070.03411.96
5.4.50.0090.03311.96
5.4.40.0020.03911.95
5.4.30.0060.03811.95
5.4.20.0070.03511.95
5.4.10.0070.03411.95
5.4.00.0090.03311.44
5.3.290.0090.03712.80
5.3.280.0080.04512.71
5.3.270.0130.03712.72
5.3.260.0070.03912.72
5.3.250.0070.03712.72
5.3.240.0110.03512.72
5.3.230.0080.04112.71
5.3.220.0120.04112.68
5.3.210.0080.04012.68
5.3.200.0060.03812.68
5.3.190.0100.03412.68
5.3.180.0080.03612.67
5.3.170.0050.04212.67
5.3.160.0100.03412.67
5.3.150.0050.03912.67
5.3.140.0050.03812.66
5.3.130.0080.03612.66
5.3.120.0090.03612.66
5.3.110.0070.03812.66
5.3.100.0070.03812.12
5.3.90.0060.03612.09
5.3.80.0040.03812.07
5.3.70.0070.03912.08
5.3.60.0110.03012.06
5.3.50.0060.03512.00
5.3.40.0080.03412.00
5.3.30.0050.03511.95
5.3.20.0100.03511.73
5.3.10.0050.03611.70
5.3.00.0070.03711.68
5.2.170.0070.0289.18
5.2.160.0050.0299.18
5.2.150.0060.0309.18
5.2.140.0060.0309.17
5.2.130.0050.0319.14
5.2.120.0030.0319.14
5.2.110.0070.0269.14
5.2.100.0070.0269.14
5.2.90.0050.0299.14
5.2.80.0040.0309.14
5.2.70.0070.0279.14
5.2.60.0050.0299.09
5.2.50.0040.0309.05
5.2.40.0030.0339.04
5.2.30.0050.0329.02
5.2.20.0080.0269.00
5.2.10.0060.0328.92
5.2.00.0070.0328.78
5.1.60.0040.0278.07
5.1.50.0040.0258.06
5.1.40.0050.0248.04
5.1.30.0020.0298.39
5.1.20.0040.0278.41
5.1.10.0030.0278.14
5.1.00.0040.0318.14
5.0.50.0030.0236.61
5.0.40.0020.0226.47
5.0.30.0050.0316.29
5.0.20.0020.0236.26
5.0.10.0080.0166.23
5.0.00.0020.0336.23
4.4.90.0030.0174.78
4.4.80.0050.0214.75
4.4.70.0050.0194.76
4.4.60.0070.0174.76
4.4.50.0020.0164.77
4.4.40.0040.0244.71
4.4.30.0050.0204.76
4.4.20.0030.0164.84
4.4.10.0020.0174.85
4.4.00.0040.0244.76
4.3.110.0020.0164.67
4.3.100.0030.0164.67
4.3.90.0050.0164.64
4.3.80.0030.0254.59
4.3.70.0010.0174.63
4.3.60.0030.0164.63
4.3.50.0070.0144.63
4.3.40.0070.0204.54
4.3.30.0020.0163.28
4.3.20.0030.0163.26
4.3.10.0010.0183.21
4.3.00.0100.01713.57

preferences:
42.7 ms | 400 KiB | 5 Q