3v4l.org

run code in 300+ PHP versions simultaneously
<?php $input = "abcdefgh"; echo substr($input,0,1) . str_pad("",strlen($input) -2, "*") . substr($input,-1);

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)
8.3.60.0180.00418.31
8.3.50.0050.01321.85
8.3.40.0040.01118.71
8.3.30.0040.01118.54
8.3.20.0090.00018.51
8.3.10.0070.00021.05
8.3.00.0040.00421.93
8.2.180.0100.00716.63
8.2.170.0120.00322.96
8.2.160.0060.00620.27
8.2.150.0000.00824.18
8.2.140.0000.00824.66
8.2.130.0050.00326.16
8.2.120.0000.00819.79
8.2.110.0050.00520.47
8.2.100.0030.00917.72
8.2.90.0000.00719.23
8.2.80.0030.00618.04
8.2.70.0060.00317.49
8.2.60.0040.00417.93
8.2.50.0060.00318.07
8.2.40.0030.00518.07
8.2.30.0090.00021.22
8.2.20.0000.00717.70
8.2.10.0040.00417.52
8.2.00.0090.00017.48
8.1.280.0080.00625.92
8.1.270.0000.00723.99
8.1.260.0140.00326.35
8.1.250.0060.00328.09
8.1.240.0030.00623.90
8.1.230.0000.01123.98
8.1.220.0050.00318.77
8.1.210.0030.00518.77
8.1.200.0060.00317.13
8.1.190.0040.00417.50
8.1.180.0080.00018.10
8.1.170.0000.00818.64
8.1.160.0040.00418.76
8.1.150.0040.00418.57
8.1.140.0000.00817.43
8.1.130.0000.00717.86
8.1.120.0070.00017.47
8.1.110.0040.00717.36
8.1.100.0070.00017.44
8.1.90.0000.00717.35
8.1.80.0040.00417.35
8.1.70.0000.00817.46
8.1.60.0090.00017.52
8.1.50.0080.00017.48
8.1.40.0050.00317.54
8.1.30.0080.00017.62
8.1.20.0000.00917.54
8.1.10.0060.00317.52
8.1.00.0080.00017.41
8.0.300.0080.00020.09
8.0.290.0070.00017.18
8.0.280.0000.00818.44
8.0.270.0030.00317.16
8.0.260.0000.00616.71
8.0.250.0070.00017.00
8.0.240.0040.00416.92
8.0.230.0060.00316.84
8.0.220.0000.00616.86
8.0.210.0000.00716.77
8.0.200.0040.00416.83
8.0.190.0000.00716.97
8.0.180.0000.00816.79
8.0.170.0040.00416.93
8.0.160.0070.00016.85
8.0.150.0000.00716.85
8.0.140.0000.00816.85
8.0.130.0000.00913.31
8.0.120.0000.00816.76
8.0.110.0040.00416.73
8.0.100.0050.00316.93
8.0.90.0070.00016.67
8.0.80.0060.00816.87
8.0.70.0060.00316.91
8.0.60.0040.00416.73
8.0.50.0070.00016.68
8.0.30.0070.01516.88
8.0.20.0130.01417.40
8.0.10.0000.00717.01
8.0.00.0090.01116.81
7.4.330.0030.00314.80
7.4.320.0030.00316.57
7.4.300.0060.00016.51
7.4.290.0050.00316.52
7.4.280.0000.00716.52
7.4.270.0000.00716.39
7.4.260.0030.00313.25
7.4.250.0000.00716.56
7.4.240.0030.00316.40
7.4.230.0030.00316.55
7.4.220.0070.01116.54
7.4.210.0100.00616.55
7.4.200.0070.00016.53
7.4.190.0040.00416.67
7.4.160.0110.00616.51
7.4.150.0160.00717.40
7.4.140.0090.01117.86
7.4.130.0090.01116.46
7.4.120.0140.00316.54
7.4.110.0070.01016.46
7.4.100.0100.00716.44
7.4.90.0030.01316.40
7.4.80.0030.01519.37
7.4.70.0100.00716.31
7.4.60.0070.01116.27
7.4.50.0030.00616.32
7.4.40.0040.01222.52
7.4.30.0130.00316.50
7.4.00.0080.00914.83
7.3.330.0050.00013.14
7.3.320.0000.00512.97
7.3.310.0030.00316.19
7.3.300.0070.00016.07
7.3.290.0060.01216.29
7.3.280.0080.00816.25
7.3.270.0090.00617.40
7.3.260.0080.01218.24
7.3.250.0080.01016.55
7.3.240.0090.00916.14
7.3.230.0070.01616.39
7.3.210.0080.01416.34
7.3.200.0030.01219.39
7.3.190.0130.00316.18
7.3.180.0060.00916.51
7.3.170.0170.00616.27
7.3.160.0100.01316.27
7.3.120.0070.00814.74
7.3.110.0120.00614.75
7.3.100.0140.00714.60
7.3.90.0070.01115.07
7.3.80.0070.00715.04
7.3.70.0030.00914.80
7.3.60.0110.00414.84
7.3.50.0000.01314.59
7.3.40.0030.01314.80
7.3.30.0030.00714.59
7.3.20.0040.00716.63
7.3.10.0070.01016.42
7.3.00.0120.00216.51
7.2.330.0170.00716.79
7.2.320.0090.00916.59
7.2.310.0150.00416.65
7.2.300.0080.00816.56
7.2.290.0120.00916.46
7.2.250.0090.00915.11
7.2.240.0070.01014.92
7.2.230.0100.00914.71
7.2.220.0000.01415.05
7.2.210.0030.01014.82
7.2.200.0060.00615.11
7.2.190.0030.01014.95
7.2.180.0060.00314.71
7.2.170.0040.01115.02
7.2.130.0030.01016.77
7.2.120.0130.00316.81
7.2.110.0090.00316.80
7.2.100.0000.01016.61
7.2.90.0100.00616.73
7.2.80.0080.00616.78
7.2.70.0070.01016.71
7.2.60.0130.00216.66
7.2.50.0040.00716.88
7.2.40.0040.00817.11
7.2.30.0040.01416.85
7.2.20.0030.01317.00
7.2.10.0040.01416.83
7.2.00.0080.00818.10
7.1.330.0060.00915.77
7.1.320.0060.00615.68
7.1.310.0080.00815.79
7.1.300.0000.01415.39
7.1.290.0060.00815.53
7.1.280.0070.00715.90
7.1.270.0060.00315.77
7.1.260.0070.00715.71
7.1.250.0080.00315.71
7.1.240.0060.00315.79
7.1.230.0100.00315.86
7.1.220.0030.00615.54
7.1.210.0030.01015.59
7.1.200.0040.01015.67
7.1.190.0100.00315.55
7.1.180.0070.01015.65
7.1.170.0030.01015.52
7.1.160.0070.00715.77
7.1.150.0040.01215.58
7.1.140.0000.01415.88
7.1.130.0030.00615.70
7.1.120.0030.01015.59
7.1.110.0070.00715.89
7.1.100.0050.01017.04
7.1.90.0080.00415.66
7.1.80.0040.01215.36
7.1.70.0030.01416.41
7.1.60.0100.00917.63
7.1.50.0060.01416.39
7.1.40.0100.00315.90
7.1.30.0030.00915.73
7.1.20.0040.00815.71
7.1.10.0000.01515.97
7.1.00.0030.04019.03
7.0.330.0130.00015.42
7.0.320.0030.00715.36
7.0.310.0040.00815.34
7.0.300.0040.01115.24
7.0.290.0070.00715.22
7.0.280.0110.00415.50
7.0.270.0110.00315.34
7.0.260.0000.01315.36
7.0.250.0030.00715.20
7.0.240.0040.00415.45
7.0.230.0000.00715.54
7.0.220.0030.00615.30
7.0.210.0090.00315.27
7.0.200.0030.00715.98
7.0.190.0000.01015.14
7.0.180.0030.00915.47
7.0.170.0060.00615.30
7.0.160.0040.00415.49
7.0.150.0060.00615.40
7.0.140.0030.04218.86
7.0.130.0030.01015.46
7.0.120.0040.00815.43
7.0.110.0030.01015.51
7.0.100.0060.00615.30
7.0.90.0070.00315.54
7.0.80.0040.00415.46
7.0.70.0030.04717.66
7.0.60.0050.04917.75
7.0.50.0070.04518.00
7.0.40.0110.03916.86
7.0.30.0020.04816.84
7.0.20.0150.03816.77
7.0.10.0100.04016.64
7.0.00.0080.04316.57
5.6.380.0040.01114.13
5.6.370.0090.00014.45
5.6.360.0000.01414.28
5.6.350.0100.00314.27
5.6.340.0060.00914.19
5.6.330.0070.00714.39
5.6.320.0100.00314.29
5.6.310.0080.00414.50
5.6.300.0060.00614.23
5.6.290.0030.01314.24
5.6.280.0050.04017.73
5.6.270.0100.00014.15
5.6.260.0040.00914.07
5.6.250.0030.00914.25
5.6.240.0090.00314.28
5.6.230.0060.00914.35
5.6.220.0070.02717.38
5.6.210.0170.03717.32
5.6.200.0100.04317.59
5.6.190.0090.04317.46
5.6.180.0040.05317.56
5.6.170.0090.03917.68
5.6.160.0170.03717.68
5.6.150.0130.03917.52
5.6.140.0100.04317.77
5.6.130.0070.03417.66
5.6.120.0110.04317.57
5.6.110.0120.04117.65
5.6.100.0080.03917.54
5.6.90.0040.05017.60
5.6.80.0090.04117.27
5.6.70.0050.03617.32
5.6.60.0090.02217.29
5.6.50.0050.02517.32
5.6.40.0050.04517.23
5.6.30.0080.04317.29
5.6.20.0100.04117.22
5.6.10.0100.03917.36
5.6.00.0120.02817.24
5.5.380.0050.00511.10
5.5.370.0000.00810.63
5.5.360.0060.03515.52
5.5.350.0050.03215.59
5.5.340.0080.04115.90
5.5.330.0080.04615.91
5.5.320.0080.04015.72
5.5.310.0070.04215.82
5.5.300.0020.04516.00
5.5.290.0080.04415.81
5.5.280.0100.04315.76
5.5.270.0050.02615.95
5.5.260.0050.03015.86
5.5.250.0060.03615.75
5.5.240.0090.04315.55
5.5.230.0100.04215.40
5.5.220.0030.02515.54
5.5.210.0090.04315.61
5.5.200.0060.04115.52
5.5.190.0010.04015.41
5.5.180.0050.04815.56
5.5.170.0060.00310.57
5.5.160.0030.04815.68
5.5.150.0080.03715.53
5.5.140.0080.02115.67
5.5.130.0020.02515.44
5.5.120.0040.03315.60
5.5.110.0090.04215.49
5.5.100.0040.03115.47
5.5.90.0080.03915.44
5.5.80.0080.03815.49
5.5.70.0030.04015.46
5.5.60.0070.04315.33
5.5.50.0070.04215.55
5.5.40.0050.04215.48
5.5.30.0070.03515.46
5.5.20.0070.04215.49
5.5.10.0090.02315.43
5.5.00.0090.04215.53
5.4.450.0120.03815.24
5.4.440.0030.04315.30
5.4.430.0120.03314.94
5.4.420.0070.02315.00
5.4.410.0030.04614.95
5.4.400.0060.03414.92
5.4.390.0050.04014.99
5.4.380.0030.03015.05
5.4.370.0040.04114.91
5.4.360.0030.04414.97
5.4.350.0020.03015.04
5.4.340.0020.03815.03
5.4.330.0110.00010.91
5.4.320.0020.03314.88
5.4.310.0080.04014.95
5.4.300.0050.02515.13
5.4.290.0070.04015.03
5.4.280.0030.03614.91
5.4.270.0090.04114.86
5.4.260.0020.04514.97
5.4.250.0050.03314.97
5.4.240.0000.03314.91
5.4.230.0050.03815.01
5.4.220.0060.03114.75
5.4.210.0090.03014.82
5.4.200.0060.04014.94
5.4.190.0050.02515.13
5.4.180.0060.02514.94
5.4.170.0070.03014.99
5.4.160.0090.03414.80
5.4.150.0060.01814.88
5.4.140.0080.01813.63
5.4.130.0000.03413.64
5.4.120.0070.03713.62
5.4.110.0100.03513.55
5.4.100.0070.03813.71
5.4.90.0070.02313.67
5.4.80.0050.04013.55
5.4.70.0020.03913.61
5.4.60.0020.04413.54
5.4.50.0050.03813.61
5.4.40.0030.03213.52
5.4.30.0080.02513.36
5.4.20.0070.02313.50
5.4.10.0080.03413.53
5.4.00.0030.02213.27
5.3.290.0070.04212.56
5.3.280.0100.03712.47
5.3.270.0070.03812.50
5.3.260.0010.04412.47
5.3.250.0020.02712.49
5.3.240.0030.03812.48
5.3.230.0020.03712.49
5.3.220.0100.03912.33
5.3.210.0070.03012.49
5.3.200.0130.03312.37
5.3.190.0030.02912.42
5.3.180.0030.02312.47
5.3.170.0070.04012.57
5.3.160.0080.03812.46
5.3.150.0000.03212.54
5.3.140.0070.03912.43
5.3.130.0030.03212.45
5.3.120.0050.04012.43
5.3.110.0070.02712.49
5.3.100.0000.03212.27
5.3.90.0020.04112.18
5.3.80.0010.02712.00
5.3.70.0020.02412.18
5.3.60.0080.03812.11
5.3.50.0050.04012.11
5.3.40.0050.04112.05
5.3.30.0050.03612.12
5.3.20.0000.04412.04
5.3.10.0040.03711.93
5.3.00.0040.02211.85
5.2.170.0080.03111.33
5.2.160.0060.03211.31
5.2.150.0050.02511.32
5.2.140.0030.02711.29
5.2.130.0050.02111.32
5.2.120.0030.03011.36
5.2.110.0030.02011.30
5.2.100.0050.03311.34
5.2.90.0030.03311.27
5.2.80.0020.03711.23
5.2.70.0050.02811.09
5.2.60.0050.03011.21
5.2.50.0080.03011.23
5.2.40.0020.03711.32
5.2.30.0050.03411.11
5.2.20.0080.03011.22
5.2.10.0030.03311.13
5.2.00.0010.03311.17
5.1.60.0000.03410.75
5.1.50.0050.02710.78
5.1.40.0060.02610.84
5.1.30.0010.03310.90
5.1.20.0080.02510.80
5.1.10.0000.02910.85
5.1.00.0000.02310.75
5.0.50.0030.02010.75
5.0.40.0020.01910.75
5.0.30.0050.02810.75
5.0.20.0030.01910.75
5.0.10.0040.02510.75
5.0.00.0040.03310.75
4.4.90.0020.02010.75
4.4.80.0000.02110.75
4.4.70.0020.01310.75
4.4.60.0020.02010.75
4.4.50.0050.01610.75
4.4.40.0020.03110.75
4.4.30.0020.01910.75
4.4.20.0040.01810.75
4.4.10.0030.02010.75
4.4.00.0050.02810.75
4.3.110.0050.01310.75
4.3.100.0000.01910.75
4.3.90.0000.02210.75
4.3.80.0030.02310.75
4.3.70.0010.01410.75
4.3.60.0020.01310.75
4.3.50.0000.01810.75
4.3.40.0020.02710.75
4.3.30.0020.02110.75
4.3.20.0030.01510.75
4.3.10.0020.02010.75
4.3.00.0010.01910.75

preferences:
44.6 ms | 401 KiB | 5 Q