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)
8.3.60.0130.00716.50
8.3.50.0170.01017.25
8.3.40.0090.00618.67
8.3.30.0040.01118.67
8.3.20.0050.00318.52
8.3.10.0080.00018.83
8.3.00.0050.00319.22
8.2.180.0000.01516.38
8.2.170.0070.00722.96
8.2.160.0040.01118.96
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0070.00026.16
8.2.120.0070.00021.09
8.2.110.0070.00321.00
8.2.100.0080.00317.93
8.2.90.0050.00319.20
8.2.80.0050.00517.97
8.2.70.0030.00617.50
8.2.60.0040.00418.04
8.2.50.0000.00818.10
8.2.40.0030.00518.28
8.2.30.0000.00917.68
8.2.20.0060.00317.48
8.2.10.0080.00017.50
8.2.00.0040.00417.65
8.1.280.0110.00725.92
8.1.270.0040.00423.99
8.1.260.0080.00026.35
8.1.250.0050.00328.09
8.1.240.0080.00322.14
8.1.230.0060.00620.94
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0050.00517.22
8.1.190.0000.00917.35
8.1.180.0080.00018.10
8.1.170.0000.00818.46
8.1.160.0070.00018.92
8.1.150.0060.00318.63
8.1.140.0040.00417.49
8.1.130.0070.00017.45
8.1.120.0040.00417.43
8.1.110.0000.00817.43
8.1.100.0000.00717.45
8.1.90.0000.00717.52
8.1.80.0070.00017.49
8.1.70.0000.00717.45
8.1.60.0040.00417.52
8.1.50.0050.00317.38
8.1.40.0000.00717.42
8.1.30.0060.00317.57
8.1.20.0090.00317.54
8.1.10.0000.00717.50
8.1.00.0050.00217.43
8.0.300.0060.00318.77
8.0.290.0040.00416.75
8.0.280.0000.00918.48
8.0.270.0030.00317.24
8.0.260.0000.00716.71
8.0.250.0110.00016.97
8.0.240.0000.00716.86
8.0.230.0000.00716.84
8.0.220.0000.00716.93
8.0.210.0050.00216.93
8.0.200.0060.00016.93
8.0.190.0040.00316.84
8.0.180.0070.00016.99
8.0.170.0050.00316.83
8.0.160.0000.00716.88
8.0.150.0050.00316.78
8.0.140.0000.00816.75
8.0.130.0050.00013.32
8.0.120.0000.00816.72
8.0.110.0000.00716.77
8.0.100.0000.00716.84
8.0.90.0050.00316.78
8.0.80.0040.01416.86
8.0.70.0050.00216.75
8.0.60.0030.00616.80
8.0.50.0080.00316.66
8.0.30.0140.00416.99
8.0.20.0100.00916.97
8.0.10.0000.00716.82
8.0.00.0060.01216.69
7.4.330.0020.00212.95
7.4.320.0000.00616.58
7.4.300.0000.00716.49
7.4.290.0000.01116.49
7.4.280.0040.00416.48
7.4.270.0020.00516.57
7.4.260.0030.00313.23
7.4.250.0000.00816.59
7.4.240.0000.00716.50
7.4.230.0000.00716.27
7.4.220.0060.01216.28
7.4.210.0090.01516.38
7.4.200.0030.00316.42
7.4.190.0040.00416.66
7.4.160.0030.01216.63
7.4.150.0180.00616.61
7.4.140.0140.00317.86
7.4.130.0130.00916.23
7.4.120.0000.01616.38
7.4.110.0130.00816.44
7.4.100.0120.00616.39
7.4.90.0070.01016.37
7.4.80.0100.00619.39
7.4.70.0100.00716.56
7.4.60.0060.01016.37
7.4.50.0060.00316.57
7.4.40.0030.01316.26
7.4.30.0110.00716.40
7.4.00.0080.00814.87
7.3.330.0000.00613.10
7.3.320.0030.00313.04
7.3.310.0030.00316.19
7.3.300.0040.00416.30
7.3.290.0090.00816.25
7.3.280.0050.00516.30
7.3.270.0070.01016.63
7.3.260.0090.00916.54
7.3.240.0080.00816.21
7.3.230.0100.01016.58
7.3.210.0110.00616.27
7.3.200.0050.01116.45
7.3.190.0090.00616.38
7.3.180.0070.01016.20
7.3.170.0060.01216.22
7.3.160.0000.01616.59
7.3.120.0060.01014.96
7.3.110.0060.00914.77
7.3.100.0090.00614.98
7.3.90.0110.00414.77
7.3.80.0070.00414.61
7.3.70.0110.00414.94
7.3.60.0100.00314.83
7.3.50.0070.00714.47
7.3.40.0070.00714.81
7.3.30.0040.00814.85
7.3.20.0090.00616.51
7.3.10.0000.01116.32
7.3.00.0100.00716.61
7.2.330.0090.00916.29
7.2.320.0070.01116.73
7.2.310.0110.00716.43
7.2.300.0130.00316.79
7.2.290.0110.00616.49
7.2.250.0070.01315.12
7.2.240.0070.01015.21
7.2.230.0060.00914.99
7.2.220.0080.00814.76
7.2.210.0070.00714.98
7.2.200.0040.00814.70
7.2.190.0070.01014.98
7.2.180.0090.00615.14
7.2.170.0040.01214.94
7.2.00.0070.00719.29
7.1.330.0110.00415.88
7.1.320.0030.01015.84
7.1.310.0000.01015.50
7.1.300.0030.00615.36
7.1.290.0060.00615.64
7.1.280.0070.00715.77
7.1.270.0030.00615.71
7.1.260.0060.00615.64
7.1.100.0070.00418.01
7.1.70.0000.00916.86
7.1.60.0040.01519.25
7.1.50.0270.00934.57
7.1.00.0000.04722.43
7.0.200.0000.00716.52
7.0.140.0070.07021.92
7.0.120.0030.07022.13
7.0.60.0200.07021.74
7.0.50.0030.04717.88
7.0.40.0070.05020.07
7.0.30.0270.07720.20
7.0.20.0270.07020.09
7.0.10.0030.06320.12
7.0.00.0030.04020.00
5.6.280.0000.07721.11
5.6.210.0130.07320.47
5.6.200.0000.05718.19
5.6.190.0130.07320.39
5.6.180.0500.07720.27
5.6.170.0300.06020.71
5.6.160.0070.06720.49
5.6.150.0070.05318.11
5.6.140.0070.08018.11
5.6.130.0100.04718.18
5.6.120.0000.09320.94
5.6.110.0230.06321.00
5.6.100.0100.08320.97
5.6.90.0130.07721.07
5.6.80.0170.07320.38
5.5.350.2770.02720.43
5.5.340.0070.08017.93
5.5.330.0130.04320.29
5.5.320.0370.07720.41
5.5.310.0400.06020.51
5.5.300.0070.07017.91
5.5.290.0070.08317.96
5.5.280.0100.06320.79
5.5.270.0030.04320.79
5.5.260.0170.06320.95
5.5.250.0030.05020.61
5.5.240.0270.05020.25
5.4.450.4100.04019.50
5.4.440.3100.04719.49
5.4.430.4470.04019.52
5.4.420.4200.04319.22
5.4.410.3800.04319.36
5.4.400.4030.03318.97
5.4.390.3930.03319.16
5.4.380.4230.04719.16
5.4.370.4130.04019.13
5.4.360.3570.03319.14
5.4.350.4570.03019.17
5.4.340.3670.04019.26
5.4.320.3630.03319.16
5.4.310.4270.04019.04
5.4.300.3930.03718.96
5.4.290.3800.03718.96
5.4.280.4000.04019.01
5.4.270.3930.04719.06
5.4.260.4070.03719.16
5.4.250.3600.03718.98
5.4.240.2300.04018.99
5.4.230.1930.03318.86
5.4.220.3630.03718.96
5.4.210.3670.03318.99
5.4.200.4370.03719.03
5.4.190.2970.04019.03
5.4.180.3500.03019.04
5.4.170.2670.03719.15
5.4.160.3670.04019.10
5.4.150.3770.03318.97
5.4.140.3700.03016.40
5.4.130.3970.03016.44
5.4.120.3970.03016.33
5.4.110.3870.03016.57
5.4.100.3730.03716.16
5.4.90.4170.04316.28
5.4.80.3930.03716.11
5.4.70.3430.04016.34
5.4.60.4130.03316.36
5.4.50.4630.04016.54
5.4.40.4000.03016.55
5.4.30.3500.03716.36
5.4.20.4030.03716.59
5.4.10.3930.03316.35
5.4.00.4800.03315.83
5.3.290.3870.04014.60
5.3.280.3430.03714.52
5.3.270.3230.04014.42
5.3.260.3870.04714.52
5.3.250.3870.04014.61
5.3.240.2870.04014.49
5.3.230.3900.04014.52
5.3.220.3500.03714.50
5.3.210.3730.04314.55
5.3.200.3870.04314.57
5.3.190.3730.04014.38
5.3.180.4130.04014.50
5.3.170.4070.04014.51
5.3.160.3430.03714.53
5.3.150.3930.04014.51
5.3.140.4000.03314.45
5.3.130.4030.03314.42
5.3.120.3800.04014.42
5.3.110.3930.04014.44
5.3.100.4700.03714.12
5.3.90.4500.03713.89
5.3.80.3930.04013.94
5.3.70.3730.04013.95
5.3.60.3730.03013.93
5.3.50.3630.03313.78
5.3.40.3500.03313.78
5.3.30.3970.03313.89
5.3.20.4730.03013.61
5.3.10.3700.03713.44
5.3.00.3870.03013.56
5.2.170.3030.02711.02
5.2.160.3270.02711.14
5.2.150.3630.02711.30
5.2.140.3500.03311.07
5.2.130.3300.03011.08
5.2.120.2700.02710.92
5.2.110.3370.03011.10
5.2.100.3130.02710.96
5.2.90.3300.03311.05
5.2.80.3170.03011.02
5.2.70.3230.03011.07
5.2.60.3400.02711.00
5.2.50.3570.03010.96
5.2.40.3100.03011.14
5.2.30.2730.02710.82
5.2.20.2830.02711.11
5.2.10.2800.02310.76
5.2.00.2700.02710.75
5.1.60.2730.02710.16
5.1.50.2730.03010.05
5.1.40.3270.0179.97
5.1.30.3070.02710.48
5.1.20.2730.03310.50
5.1.10.2500.0239.90
5.1.00.2670.02710.11
5.0.50.1270.0178.52
5.0.40.1430.0278.30
5.0.30.1330.0308.37
5.0.20.1330.0238.10
5.0.10.1700.0238.21
5.0.00.1670.0378.05
4.4.90.1370.0175.78
4.4.80.1130.0105.83
4.4.70.1200.0175.78
4.4.60.1300.0175.89
4.4.50.1300.0135.80
4.4.40.1370.0205.84
4.4.30.1530.0175.84
4.4.20.1300.0135.88
4.4.10.1200.0175.83
4.4.00.1500.0305.85
4.3.110.1430.0175.76
4.3.100.1230.0135.73
4.3.90.1600.0105.78
4.3.80.1870.0235.72
4.3.70.1870.0105.76
4.3.60.1670.0175.72
4.3.50.1770.0175.66
4.3.40.1800.0275.70
4.3.30.0770.0205.63
4.3.20.0700.0175.63
4.3.10.0930.0235.63
4.3.00.0730.0135.63

preferences:
52.37 ms | 401 KiB | 5 Q