3v4l.org

run code in 300+ PHP versions simultaneously
<?php error_reporting(0); $a = "abcdefffefa"; for($i = 0; $i < 10; $i++) $a = $a . $a; $b = "afe"; print(str_replace(array_unique(str_split($b)), "", $a));

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)
8.3.40.0150.00318.68
8.3.30.0120.00318.93
8.3.20.0040.00420.29
8.3.10.0000.00920.36
8.3.00.0060.00319.38
8.2.170.0000.01422.96
8.2.160.0080.00620.52
8.2.150.0050.00324.18
8.2.140.0070.00324.66
8.2.130.0030.00526.16
8.2.120.0050.00320.95
8.2.110.0070.00422.07
8.2.100.0040.00817.72
8.2.90.0080.00019.05
8.2.80.0000.00817.97
8.2.70.0040.00417.63
8.2.60.0030.00618.03
8.2.50.0080.00018.07
8.2.40.0000.00818.09
8.2.30.0090.00019.43
8.2.20.0050.00317.69
8.2.10.0040.00418.35
8.2.00.0070.00017.86
8.1.270.0000.00923.79
8.1.260.0040.00426.35
8.1.250.0050.00328.09
8.1.240.0090.00023.96
8.1.230.0040.00719.34
8.1.220.0030.00617.89
8.1.210.0040.00418.77
8.1.200.0060.00317.48
8.1.190.0050.00317.23
8.1.180.0080.00018.10
8.1.170.0060.00318.71
8.1.160.0080.00021.98
8.1.150.0040.00418.91
8.1.140.0030.00617.40
8.1.130.0050.00317.90
8.1.120.0020.00517.46
8.1.110.0000.00717.45
8.1.100.0040.00417.49
8.1.90.0070.00017.42
8.1.80.0040.00417.43
8.1.70.0000.00917.33
8.1.60.0030.00617.53
8.1.50.0090.00017.44
8.1.40.0080.00017.44
8.1.30.0000.00917.66
8.1.20.0040.00417.67
8.1.10.0050.00317.54
8.1.00.0060.00317.48
8.0.300.0000.00718.77
8.0.290.0070.00016.88
8.0.280.0070.00018.52
8.0.270.0000.00717.33
8.0.260.0000.00717.32
8.0.250.0000.00716.99
8.0.240.0000.00716.92
8.0.230.0040.00416.93
8.0.220.0000.00716.87
8.0.210.0050.00316.95
8.0.200.0070.00016.99
8.0.190.0040.00417.01
8.0.180.0030.00516.97
8.0.170.0040.00416.89
8.0.160.0040.00416.88
8.0.150.0040.00416.83
8.0.140.0040.00416.82
8.0.130.0000.00613.41
8.0.120.0050.00316.85
8.0.110.0000.00816.87
8.0.100.0000.00816.81
8.0.90.0030.00516.86
8.0.80.0140.00316.92
8.0.70.0040.00416.85
8.0.60.0000.00816.95
8.0.50.0030.00517.05
8.0.30.0090.01417.06
8.0.20.0140.00617.40
8.0.10.0000.00816.90
8.0.00.0090.00916.86
7.4.330.0050.00015.01
7.4.320.0030.00316.44
7.4.300.0040.00416.51
7.4.290.0040.00416.47
7.4.280.0050.00316.50
7.4.270.0030.00316.65
7.4.260.0000.00816.52
7.4.250.0080.00016.47
7.4.240.0020.00516.45
7.4.230.0030.00316.41
7.4.220.0070.01016.56
7.4.210.0070.00716.54
7.4.200.0000.00716.41
7.4.160.0000.01516.74
7.4.150.0130.01317.40
7.4.140.0150.00717.86
7.4.130.0090.00816.53
7.4.120.0080.00916.46
7.4.110.0100.00716.39
7.4.100.0140.00316.45
7.4.90.0100.00716.60
7.4.80.0130.00719.39
7.4.70.0230.00016.50
7.4.60.0100.00816.54
7.4.50.0080.00016.60
7.4.40.0030.01416.26
7.4.30.0090.00716.46
7.4.10.0070.01114.83
7.4.00.0050.01214.83
7.3.330.0000.00613.28
7.3.320.0000.00613.23
7.3.310.0000.00716.18
7.3.300.0000.00616.32
7.3.290.0090.00616.34
7.3.280.0090.01016.35
7.3.270.0040.01317.40
7.3.260.0100.01316.87
7.3.250.0110.01016.54
7.3.240.0120.00916.73
7.3.230.0080.00816.39
7.3.210.0120.00616.56
7.3.200.0120.00919.39
7.3.190.0100.01316.47
7.3.180.0060.01016.70
7.3.170.0040.01416.65
7.3.160.0120.00916.47
7.3.130.0130.00714.80
7.3.120.0090.00914.91
7.3.110.0040.01514.88
7.3.100.0030.00915.21
7.3.90.0040.01214.63
7.3.80.0000.01315.02
7.3.70.0070.00714.99
7.3.60.0030.00715.05
7.3.50.0000.01414.66
7.3.40.0160.00014.79
7.3.30.0030.00614.87
7.3.20.0030.00916.71
7.3.10.0070.00816.83
7.3.00.0050.00816.56
7.2.330.0100.01016.66
7.2.320.0090.01016.36
7.2.310.0100.00516.77
7.2.300.0090.00616.69
7.2.290.0040.01216.57
7.2.260.0100.01015.19
7.2.250.0060.01314.79
7.2.240.0100.00615.04
7.2.230.0090.00614.66
7.2.220.0030.01415.21
7.2.210.0100.00314.96
7.2.200.0070.01015.14
7.2.190.0000.01115.32
7.2.180.0060.00615.12
7.2.170.0060.00615.10
7.2.160.0140.00415.03
7.2.150.0090.00316.86
7.2.140.0130.00016.93
7.2.130.0020.01216.83
7.2.120.0080.00817.02
7.2.110.0070.00616.63
7.2.100.0050.00816.91
7.2.90.0030.00916.98
7.2.80.0100.00517.01
7.2.70.0050.00716.91
7.2.60.0090.00816.88
7.2.50.0030.01116.88
7.2.40.0100.00617.00
7.2.30.0140.00316.95
7.2.20.0050.00716.74
7.2.10.0030.00816.98
7.2.00.0060.00817.70
7.1.330.0070.00715.79
7.1.320.0030.00915.75
7.1.310.0060.00615.93
7.1.300.0030.00615.68
7.1.290.0060.00615.51
7.1.280.0000.01315.86
7.1.270.0030.00615.88
7.1.260.0030.01015.83
7.1.250.0040.00915.92
7.1.240.0030.01015.58
7.1.230.0150.00315.85
7.1.220.0060.00315.54
7.1.210.0060.00615.66
7.1.200.0100.00615.76
7.1.190.0030.00615.55
7.1.180.0080.00315.92
7.1.170.0040.00815.58
7.1.160.0110.00315.93
7.1.150.0030.01015.83
7.1.140.0060.00915.59
7.1.130.0040.01115.93
7.1.120.0030.01315.99
7.1.110.0090.00415.86
7.1.100.0020.01116.94
7.1.90.0040.01115.86
7.1.80.0040.00815.85
7.1.70.0050.00716.39
7.1.60.0050.00916.48
7.1.50.0050.01216.39
7.1.40.0040.00715.72
7.1.30.0100.00715.78
7.1.20.0060.01015.64
7.1.10.0070.00415.80
7.1.00.0050.04019.08
7.0.330.0070.00715.14
7.0.320.0040.00415.48
7.0.310.0070.00715.36
7.0.300.0030.01015.36
7.0.290.0060.00915.40
7.0.280.0030.01015.62
7.0.270.0000.01615.18
7.0.260.0000.00915.39
7.0.250.0080.00315.35
7.0.240.0050.00515.41
7.0.230.0030.01015.43
7.0.220.0040.00415.49
7.0.210.0030.00915.46
7.0.200.0080.00516.04
7.0.190.0090.00615.42
7.0.180.0000.01315.55
7.0.170.0080.00415.60
7.0.160.0090.00615.37
7.0.150.0000.01215.52
7.0.140.0000.04318.73
7.0.130.0000.01315.53
7.0.120.0000.00915.46
7.0.110.0030.01015.52
7.0.100.0040.00415.49
7.0.90.0030.01015.49
7.0.80.0030.01315.50
7.0.70.0000.01415.49
7.0.60.0110.03017.84
7.0.50.0110.03616.74
7.0.40.0130.04016.80
7.0.30.0160.03316.74
7.0.20.0180.04216.62
7.0.10.0200.03516.90
7.0.00.0100.04216.63
5.6.400.0000.01314.07
5.6.390.0060.00914.74
5.6.380.0030.00714.24
5.6.370.0100.01014.65
5.6.360.0000.01714.41
5.6.350.0070.00714.39
5.6.340.0030.01014.02
5.6.330.0030.01314.14
5.6.320.0070.00714.66
5.6.310.0060.00914.41
5.6.300.0040.00814.21
5.6.290.0080.00414.45
5.6.280.0060.03817.59
5.6.270.0030.00714.45
5.6.260.0030.01314.46
5.6.250.0030.00614.67
5.6.240.0060.00314.43
5.6.230.0060.00914.46
5.6.220.0040.01114.02
5.6.210.0070.04317.40
5.6.200.0040.02916.31
5.6.190.0050.05317.64
5.6.180.0170.02517.35
5.6.170.0210.03317.47
5.6.160.0130.04017.32
5.6.150.0050.04616.15
5.6.140.0030.04416.11
5.6.130.0090.02216.37
5.6.120.0050.04617.55
5.6.110.0030.05017.66
5.6.100.0110.04117.85
5.6.90.0130.04117.72
5.6.80.0030.04917.32
5.6.70.0150.03917.22
5.6.60.0000.01514.23
5.6.50.0040.00714.29
5.6.40.0030.01014.28
5.6.30.0090.00314.25
5.6.20.0060.00614.54
5.6.10.0060.00614.46
5.6.00.0110.00614.36
5.5.380.0030.01014.59
5.5.370.0090.00013.99
5.5.360.0030.00614.20
5.5.350.0050.04517.40
5.5.340.0030.04716.29
5.5.330.0070.03917.21
5.5.320.0170.04317.20
5.5.310.0190.03317.12
5.5.300.0050.04516.21
5.5.290.0070.02116.15
5.5.280.0060.02317.51
5.5.270.0070.04417.50
5.5.260.0070.05017.60
5.5.250.0020.02617.63
5.5.240.0080.04617.10
5.5.230.0100.00714.05
5.5.220.0070.00414.32
5.5.210.0070.00714.09
5.5.200.0110.00414.53
5.5.190.0100.00714.13
5.5.180.0100.00314.07
5.5.170.0070.01014.52
5.5.160.0080.00814.31
5.5.150.0070.00714.09
5.5.140.0070.00714.43
5.5.130.0000.01014.07
5.5.120.0090.00914.30
5.5.110.0090.00314.06
5.5.100.0100.00314.39
5.5.90.0060.00314.14
5.5.80.0040.01114.36
5.5.70.0030.00914.40
5.5.60.0050.00514.09
5.5.50.0090.00614.39
5.5.40.0130.00314.36
5.5.30.0030.01414.52
5.5.20.0030.00714.30
5.5.10.0040.00414.32
5.5.00.0030.01214.54
5.4.450.0630.03015.51
5.4.440.0180.02515.50
5.4.430.0210.02415.61
5.4.420.0200.02015.70
5.4.410.0170.02615.60
5.4.400.0130.02315.51
5.4.390.0250.02515.54
5.4.380.0180.03315.26
5.4.370.0120.03215.25
5.4.360.0150.03015.29
5.4.350.0300.03615.33
5.4.340.0180.03015.26
5.4.330.0000.00711.84
5.4.320.0090.02312.16
5.4.310.0080.02712.16
5.4.300.0050.03112.16
5.4.290.0090.02112.16
5.4.280.0070.02312.11
5.4.270.0070.01812.11
5.4.260.0080.02112.11
5.4.250.0040.03012.11
5.4.240.0060.02212.11
5.4.230.0070.02312.11
5.4.220.0060.02912.11
5.4.210.0110.02312.11
5.4.200.0100.02712.11
5.4.190.0070.02912.11
5.4.180.0040.02412.11
5.4.170.0050.02212.11
5.4.160.0040.02112.11
5.4.150.0070.01912.11
5.4.140.0050.02911.95
5.4.130.0060.02811.94
5.4.120.0040.02611.92
5.4.110.0070.02711.92
5.4.100.0060.02211.92
5.4.90.0040.02811.92
5.4.80.0040.02511.92
5.4.70.0050.02411.92
5.4.60.0060.02411.92
5.4.50.0050.02611.92
5.4.40.0090.02311.91
5.4.30.0060.02511.91
5.4.20.0040.02211.91
5.4.10.0070.02911.91
5.4.00.0060.02011.66
5.3.290.0080.04512.80
5.3.280.0150.06812.71
5.3.270.0060.04112.72
5.3.260.0080.04412.72
5.3.250.0070.04712.72
5.3.240.0090.04612.72
5.3.230.0060.04112.71
5.3.220.0090.03812.68
5.3.210.0060.04112.68
5.3.200.0120.05412.68
5.3.190.0100.04612.68
5.3.180.0040.03912.67
5.3.170.0040.03912.67
5.3.160.0070.03612.67
5.3.150.0060.03712.67
5.3.140.0060.03912.66
5.3.130.0090.03612.66
5.3.120.0040.04112.66
5.3.110.0070.03812.66
5.3.100.0040.03912.13
5.3.90.0100.03412.11
5.3.80.0080.03412.11
5.3.70.0070.03912.11
5.3.60.0080.03612.09
5.3.50.0070.03512.04
5.3.40.0080.03412.04
5.3.30.0070.03811.99
5.3.20.0090.03211.77
5.3.10.0070.03411.74
5.3.00.0070.03411.73
5.2.170.0030.0329.23
5.2.160.0060.0319.22
5.2.150.0060.0349.23
5.2.140.0060.0309.22
5.2.130.0030.0459.20
5.2.120.0050.0379.19
5.2.110.0060.0419.20
5.2.100.0070.0429.19
5.2.90.0070.0319.19
5.2.80.0030.0339.18
5.2.70.0060.0439.18
5.2.60.0060.0429.14
5.2.50.0070.0469.11
5.2.40.0050.0329.09
5.2.30.0070.0419.06
5.2.20.0050.0319.05
5.2.10.0070.0278.98
5.2.00.0080.0318.84
5.1.60.0070.0238.12
5.1.50.0060.0248.11
5.1.40.0070.0238.10
5.1.30.0090.0278.45
5.1.20.0080.0268.47
5.1.10.0050.0298.20
5.1.00.0020.0308.19
5.0.50.0040.0206.68
5.0.40.0020.0226.53
5.0.30.0050.0316.35
5.0.20.0040.0236.32
5.0.10.0030.0256.29
5.0.00.0030.0326.28
4.4.90.0040.0174.78
4.4.80.0050.0144.75
4.4.70.0020.0194.75
4.4.60.0040.0154.75
4.4.50.0030.0154.77
4.4.40.0040.0244.70
4.4.30.0020.0164.76
4.4.20.0080.0154.84
4.4.10.0030.0224.85
4.4.00.0040.0254.75
4.3.110.0040.0144.67
4.3.100.0060.0194.67
4.3.90.0040.0164.63
4.3.80.0060.0254.59
4.3.70.0010.0184.63
4.3.60.0030.0144.63
4.3.50.0020.0174.63
4.3.40.0050.0234.54
4.3.30.0040.0163.31
4.3.20.0010.0173.29
4.3.10.0010.0173.25
4.3.00.0000.02013.57

preferences:
40.36 ms | 400 KiB | 5 Q