3v4l.org

run code in 300+ PHP versions simultaneously
<?php $bla = str_split("test"); array_walk($bla, function(&$v, $k) {$v = 'k';}); echo implode($bla);

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)
8.3.60.0140.00418.17
8.3.50.0140.00621.88
8.3.40.0140.00718.50
8.3.30.0070.00719.04
8.3.20.0070.00020.18
8.3.10.0080.00023.60
8.3.00.0090.00019.38
8.2.180.0120.00616.38
8.2.170.0180.00422.96
8.2.160.0040.01120.35
8.2.150.0070.00024.18
8.2.140.0060.00324.66
8.2.130.0070.00026.16
8.2.120.0000.00722.29
8.2.110.0060.00322.05
8.2.100.0080.00417.78
8.2.90.0000.00719.08
8.2.80.0030.00517.97
8.2.70.0050.00517.50
8.2.60.0040.00417.93
8.2.50.0040.00418.07
8.2.40.0030.00519.82
8.2.30.0050.00219.80
8.2.20.0040.00417.62
8.2.10.0000.00818.17
8.2.00.0070.00317.73
8.1.280.0140.00025.92
8.1.270.0060.00323.96
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0050.00524.01
8.1.230.0040.00719.02
8.1.220.0050.00217.74
8.1.210.0050.00318.77
8.1.200.0090.00017.23
8.1.190.0030.00617.35
8.1.180.0040.00618.10
8.1.170.0040.00418.61
8.1.160.0000.00822.04
8.1.150.0030.00518.76
8.1.140.0040.00417.45
8.1.130.0040.00417.83
8.1.120.0040.00417.31
8.1.110.0000.00817.43
8.1.100.0060.00317.42
8.1.90.0040.00417.34
8.1.80.0030.00417.42
8.1.70.0000.00817.35
8.1.60.0000.00817.57
8.1.50.0040.00417.41
8.1.40.0000.00717.54
8.1.30.0050.00317.52
8.1.20.0040.00417.55
8.1.10.0040.00417.52
8.1.00.0000.00817.46
8.0.300.0030.00620.67
8.0.290.0000.00717.16
8.0.280.0070.00018.31
8.0.270.0030.00317.24
8.0.260.0080.00017.25
8.0.250.0070.00016.91
8.0.240.0040.00417.01
8.0.230.0030.00316.79
8.0.220.0030.00416.82
8.0.210.0050.00216.79
8.0.200.0040.00416.86
8.0.190.0050.00316.84
8.0.180.0000.00716.88
8.0.170.0040.00416.79
8.0.160.0000.00716.80
8.0.150.0070.00016.73
8.0.140.0040.00416.74
8.0.130.0000.00613.27
8.0.120.0030.00516.82
8.0.110.0030.00516.87
8.0.100.0000.00716.70
8.0.90.0040.00416.89
8.0.80.0000.01416.90
8.0.70.0070.00016.87
8.0.60.0040.00416.93
8.0.50.0040.00316.84
8.0.30.0070.01216.96
8.0.20.0090.01017.40
8.0.10.0020.00516.98
8.0.00.0110.01216.64
7.4.330.0000.00515.09
7.4.320.0000.00716.45
7.4.300.0030.00316.54
7.4.290.0000.00616.61
7.4.280.0000.00816.59
7.4.270.0040.00416.58
7.4.260.0070.00016.63
7.4.250.0040.00416.55
7.4.240.0040.00316.57
7.4.230.0070.00016.53
7.4.220.0130.01316.55
7.4.210.0060.00816.53
7.4.200.0030.00316.61
7.4.190.0040.00416.53
7.4.160.0150.00316.39
7.4.150.0070.01017.40
7.4.140.0170.00017.86
7.4.130.0100.00716.55
7.4.120.0160.00616.44
7.4.110.0000.01816.53
7.4.100.0120.00916.59
7.4.90.0100.01316.25
7.4.80.0070.01019.39
7.4.70.0040.01216.52
7.4.60.0000.01616.53
7.4.50.0030.00316.49
7.4.40.0070.01122.77
7.4.30.0060.00916.46
7.4.00.0060.00814.99
7.3.330.0050.00013.20
7.3.320.0060.00013.30
7.3.310.0000.00616.27
7.3.300.0000.00716.14
7.3.290.0100.01016.16
7.3.280.0110.00716.23
7.3.270.0140.00317.40
7.3.260.0130.00616.57
7.3.250.0130.00716.38
7.3.240.0040.01216.41
7.3.230.0100.00716.52
7.3.210.0090.00916.45
7.3.200.0150.00619.39
7.3.190.0100.00716.54
7.3.180.0190.00516.23
7.3.170.0080.00816.30
7.3.160.0030.01316.30
7.3.120.0150.00014.94
7.3.10.0130.00416.43
7.3.00.0090.00616.41
7.2.330.0090.00916.52
7.2.320.0090.00916.78
7.2.310.0110.01116.67
7.2.300.0070.01616.79
7.2.290.0070.01416.39
7.2.130.0070.00716.95
7.2.120.0080.00816.62
7.2.110.0060.00916.70
7.2.100.0060.00816.77
7.2.90.0060.00816.73
7.2.80.0110.00816.59
7.2.70.0080.00516.91
7.2.60.0060.00816.80
7.2.50.0080.00916.68
7.2.40.0060.00816.88
7.2.30.0090.00616.97
7.2.20.0100.00716.79
7.2.10.0080.00616.75
7.2.00.0070.00817.35
7.1.250.0110.00315.77
7.1.200.0110.00015.51
7.1.100.0030.00617.61
7.1.70.0040.01917.10
7.1.60.0090.01519.46
7.1.50.0040.02216.73
7.1.00.0030.07722.33
7.0.200.0000.00716.73
7.0.140.0000.07722.11
7.0.60.0000.07019.95
7.0.50.0030.04017.69
7.0.40.0030.04319.96
7.0.30.0330.04720.20
7.0.20.0270.06020.13
7.0.10.0200.07320.21
7.0.00.0070.07720.07
5.6.280.0000.07721.08
5.6.210.0070.08020.68
5.6.200.0070.06018.15
5.6.190.0030.04720.41
5.6.180.0270.08020.61
5.6.170.0430.04320.47
5.6.160.0000.04720.43
5.6.150.0100.07318.21
5.6.140.0100.07718.12
5.6.130.0170.07018.14
5.6.120.0030.07721.15
5.6.110.0030.04721.12
5.6.100.0170.03021.01
5.6.90.0070.08320.95
5.6.80.0170.04020.29
5.6.70.4130.03320.53
5.5.350.0230.07020.41
5.5.340.0130.06717.98
5.5.330.0030.04020.32
5.5.320.0330.07320.36
5.5.310.0230.05020.28
5.5.300.0030.04017.95
5.5.290.0030.05317.98
5.5.280.0070.09020.66
5.5.270.0100.08020.73
5.5.260.0030.04020.67
5.5.250.0130.06020.77
5.5.240.0200.07320.26
5.4.450.0700.07019.48
5.4.440.0600.06319.30
5.4.430.0730.06019.54
5.4.420.0770.05719.46
5.4.410.0830.04719.32
5.4.400.0700.04719.06
5.4.390.0930.06019.28
5.4.380.0370.06318.56
5.4.370.0200.06318.53
5.4.360.0300.05718.77
5.4.350.0330.04718.70
5.4.340.0170.07018.74
5.4.320.0030.03812.51
5.4.310.0070.04312.50
5.4.300.0110.03512.51
5.4.290.0120.08112.48
5.4.280.0090.06112.38
5.4.270.0150.06112.38
5.4.260.0060.05712.38
5.4.250.0090.04812.38
5.4.240.0130.05712.38
5.4.230.0080.04412.37
5.4.220.0130.04112.37
5.4.210.0170.05012.37
5.4.200.0180.06212.37
5.4.190.0130.06512.36
5.4.180.0200.08612.37
5.4.170.0130.04512.38
5.4.160.0210.07412.38
5.4.150.0130.05612.37
5.4.140.0050.05112.05
5.4.130.0170.05312.04
5.4.120.0180.06012.00
5.4.110.0150.05212.00
5.4.100.0080.04712.00
5.4.90.0070.04312.00
5.4.80.0080.03912.00
5.4.70.0080.04211.99
5.4.60.0160.04511.99
5.4.50.0120.04811.99
5.4.40.0080.05311.98
5.4.30.0120.04111.98
5.4.20.0120.03811.98
5.4.10.0160.06611.98
5.4.00.0060.04911.46
5.3.290.0050.04012.80
5.3.280.0090.04912.71
5.3.270.0170.06812.73
5.3.260.0100.05312.72
5.3.250.0060.04612.71
5.3.240.0120.05112.72
5.3.230.0100.05012.71
5.3.220.0060.04912.68
5.3.210.0060.04112.68
5.3.200.0080.04012.68
5.3.190.0070.03812.68
5.3.180.0100.03812.67
5.3.170.0160.06912.67
5.3.160.0110.04812.67
5.3.150.0110.06012.68
5.3.140.0180.08512.66
5.3.130.0130.05112.66
5.3.120.0070.04912.65
5.3.110.0080.05412.66
5.3.100.0110.05912.12
5.3.90.0110.05012.09
5.3.80.0140.05812.09
5.3.70.0110.04412.09
5.3.60.0090.03612.07
5.3.50.0090.04212.02
5.3.40.0090.03512.02
5.3.30.0070.03611.98
5.3.20.0040.03911.76
5.3.10.0070.03511.72
5.3.00.0060.03811.72
5.2.170.0050.0329.18
5.2.160.0050.0359.18
5.2.150.0080.0349.18
5.2.140.0060.0319.18
5.2.130.0060.0299.14
5.2.120.0040.0309.14
5.2.110.0050.0339.15
5.2.100.0060.0299.14
5.2.90.0050.0319.14
5.2.80.0070.0309.14
5.2.70.0090.0369.14
5.2.60.0060.0369.09
5.2.50.0030.0379.06
5.2.40.0090.0349.04
5.2.30.0170.0609.02
5.2.20.0080.0399.01
5.2.10.0080.0378.93
5.2.00.0110.0368.78
5.1.60.0120.0588.07
5.1.50.0080.0288.07
5.1.40.0060.0328.05
5.1.30.0080.0298.40
5.1.20.0070.0318.42
5.1.10.0070.0278.14
5.1.00.0040.0298.14
5.0.50.0150.0356.62
5.0.40.0060.0256.48
5.0.30.0060.0326.29
5.0.20.0020.0226.27
5.0.10.0040.0256.24
5.0.00.0040.0316.23
4.4.90.0050.0134.77
4.4.80.0040.0174.75
4.4.70.0020.0174.75
4.4.60.0060.0294.76
4.4.50.0030.0164.77
4.4.40.0040.0284.70
4.4.30.0050.0144.76
4.4.20.0030.0164.85
4.4.10.0020.0204.85
4.4.00.0050.0334.76
4.3.110.0030.0224.67
4.3.100.0050.0204.66
4.3.90.0090.0224.64
4.3.80.0050.0364.58
4.3.70.0060.0154.63
4.3.60.0020.0164.63
4.3.50.0140.0324.63
4.3.40.0040.0334.54
4.3.30.0000.0223.28
4.3.20.0030.0183.26
4.3.10.0040.0173.22
4.3.00.0170.01710.54

preferences:
42.49 ms | 401 KiB | 5 Q