3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = ["úù" => "u"]; foreach($a as $k => $v); echo preg_replace('/['. $k . ']/', $v, 'olóáé');

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)
8.3.60.0140.00318.43
8.3.50.0050.01421.09
8.3.40.0110.00418.80
8.3.30.0100.00319.10
8.3.20.0070.00020.34
8.3.10.0080.00022.09
8.3.00.0040.00422.40
8.2.180.0060.01016.59
8.2.170.0140.00022.96
8.2.160.0110.00718.80
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0080.00019.47
8.2.110.0090.00022.25
8.2.100.0040.00819.70
8.2.90.0080.00019.22
8.2.80.0060.00318.04
8.2.70.0030.00617.75
8.2.60.0000.00818.04
8.2.50.0080.00018.07
8.2.40.0080.00318.16
8.2.30.0000.00717.99
8.2.20.0040.00417.66
8.2.10.0030.00517.94
8.2.00.0050.00217.94
8.1.280.0120.00825.92
8.1.270.0060.00323.99
8.1.260.0030.00526.35
8.1.250.0080.00028.09
8.1.240.0090.00023.99
8.1.230.0090.00319.16
8.1.220.0000.00817.79
8.1.210.0040.00418.77
8.1.200.0090.00017.35
8.1.190.0070.00017.52
8.1.180.0000.00918.59
8.1.170.0050.00318.78
8.1.160.0040.00422.19
8.1.150.0070.00018.74
8.1.140.0060.00317.62
8.1.130.0030.00617.71
8.1.120.0000.00817.57
8.1.110.0030.00617.63
8.1.100.0040.00417.53
8.1.90.0070.00017.49
8.1.80.0020.00517.59
8.1.70.0060.00317.54
8.1.60.0030.00617.77
8.1.50.0050.00217.64
8.1.40.0040.00417.57
8.1.30.0000.00817.82
8.1.20.0000.00717.75
8.1.10.0000.00817.63
8.1.00.0050.00517.52
8.0.300.0000.00718.77
8.0.290.0030.00617.05
8.0.280.0040.00418.36
8.0.270.0000.00717.16
8.0.260.0000.00616.91
8.0.250.0030.00317.07
8.0.240.0070.00017.10
8.0.230.0050.00316.97
8.0.220.0030.00317.02
8.0.210.0070.00017.01
8.0.200.0030.00316.96
8.0.190.0000.00716.98
8.0.180.0070.00017.11
8.0.170.0040.00417.06
8.0.160.0040.00417.06
8.0.150.0080.00016.92
8.0.140.0000.00816.95
8.0.130.0000.00513.47
8.0.120.0030.00516.97
8.0.110.0040.00416.98
8.0.100.0000.00817.01
8.0.90.0040.00416.92
8.0.80.0060.00916.94
8.0.70.0020.00517.09
8.0.60.0030.00517.09
8.0.50.0040.00417.02
8.0.30.0110.00816.97
8.0.20.0140.00517.50
8.0.10.0040.00417.21
8.0.00.0110.00716.88
7.4.330.0050.00015.09
7.4.320.0000.00716.69
7.4.300.0030.00316.68
7.4.290.0030.00316.59
7.4.280.0060.00716.77
7.4.270.0030.00316.80
7.4.260.0040.00416.68
7.4.250.0050.00316.69
7.4.240.0020.00616.74
7.4.230.0070.00016.81
7.4.220.0090.00616.87
7.4.210.0100.00616.80
7.4.200.0040.00416.80
7.4.190.0000.00716.68
7.4.160.0180.00616.59
7.4.150.0150.00417.40
7.4.140.0080.01217.86
7.4.130.0050.01216.69
7.4.120.0090.00816.68
7.4.110.0130.00616.58
7.4.100.0090.00916.53
7.4.90.0060.01216.54
7.4.80.0100.00719.39
7.4.70.0070.00916.58
7.4.60.0060.01116.47
7.4.50.0000.00916.53
7.4.40.0050.00922.77
7.4.30.0030.01216.79
7.4.00.0000.01415.09
7.3.330.0030.00313.31
7.3.320.0040.00413.20
7.3.310.0060.00316.54
7.3.300.0060.00016.31
7.3.290.0030.01716.50
7.3.280.0090.01116.41
7.3.270.0040.01517.40
7.3.260.0100.01016.42
7.3.250.0130.00716.59
7.3.240.0120.00416.82
7.3.230.0150.00316.43
7.3.210.0060.00916.43
7.3.200.0070.01719.39
7.3.190.0120.00416.71
7.3.180.0140.00316.64
7.3.170.0070.01416.66
7.3.160.0100.01016.67
7.3.120.0100.00615.18
7.2.330.0180.00016.82
7.2.320.0130.01016.64
7.2.310.0070.01016.66
7.2.300.0040.01416.89
7.2.290.0090.00616.72
7.2.80.0060.00916.90
7.1.200.0060.00616.04
7.1.70.0000.00817.44
7.1.60.0140.01019.82
7.1.50.0070.01617.17
7.1.00.0030.07722.51
7.0.200.0040.00416.82
7.0.140.0100.06722.19
7.0.60.0130.07720.01
7.0.50.0000.05017.82
7.0.40.0000.04720.06
7.0.30.0370.07020.01
7.0.20.0270.06020.31
7.0.10.0330.04020.18
7.0.00.0130.05320.22
5.6.280.0000.07321.06
5.6.210.0030.05020.73
5.6.200.0100.03718.13
5.6.190.0100.07720.39
5.6.180.3230.04320.41
5.6.170.0400.07720.62
5.6.160.0170.07320.54
5.6.150.0100.06018.22
5.6.140.0000.07318.11
5.6.130.0000.07718.14
5.6.120.0000.04720.89
5.6.110.0100.06020.99
5.6.100.0070.08020.96
5.6.90.0030.04020.87
5.6.80.0030.07720.40
5.6.70.0300.07720.50
5.5.350.0000.05020.37
5.5.340.0030.04017.98
5.5.330.0130.08020.21
5.5.320.0170.04020.28
5.5.310.0400.06320.29
5.5.300.0030.04317.98
5.5.290.0070.04717.98
5.5.280.0030.06020.68
5.5.270.0100.06320.79
5.5.260.0100.08320.64
5.5.250.0070.08320.58
5.5.240.0100.07320.15
5.4.450.1170.08019.62
5.4.440.0800.06319.45
5.4.430.0830.06019.44
5.4.420.0800.06319.33
5.4.410.0700.07319.13
5.4.400.0830.00018.77
5.4.390.0770.00018.78
5.4.380.0300.05018.71
5.4.370.0200.06018.77
5.4.360.0230.05018.68
5.4.350.0300.05718.59
5.4.340.0370.04718.49
5.4.320.0050.04412.45
5.4.310.0080.03812.45
5.4.300.0080.03512.46
5.4.290.0080.03612.45
5.4.280.0150.08012.32
5.4.270.0130.04612.32
5.4.260.0070.05512.32
5.4.250.0110.04712.32
5.4.240.0090.05312.32
5.4.230.0120.04712.31
5.4.220.0100.05212.31
5.4.210.0160.07712.32
5.4.200.0150.07912.31
5.4.190.0140.06312.31
5.4.180.0130.09112.31
5.4.170.0110.07012.32
5.4.160.0140.07212.32
5.4.150.0090.04812.32
5.4.140.0080.03712.00
5.4.130.0120.04111.98
5.4.120.0100.06811.94
5.4.110.0050.04311.94
5.4.100.0110.04311.94
5.4.90.0070.04111.93
5.4.80.0050.04311.94
5.4.70.0080.03911.93
5.4.60.0090.03711.93
5.4.50.0040.03711.93
5.4.40.0060.03711.92
5.4.30.0070.03611.92
5.4.20.0030.04011.92
5.4.10.0080.03611.92
5.4.00.0070.03611.40
5.3.290.0060.03912.80
5.3.280.0040.04112.71
5.3.270.0050.04612.72
5.3.260.0050.04912.71
5.3.250.0070.04212.71
5.3.240.0050.04112.72
5.3.230.0100.04712.71
5.3.220.0080.05212.68
5.3.210.0100.05312.68
5.3.200.0150.04512.68
5.3.190.0080.04912.68
5.3.180.0100.04612.68
5.3.170.0060.05112.67
5.3.160.0060.05112.68
5.3.150.0130.04712.67
5.3.140.0100.05112.66
5.3.130.0080.05412.66
5.3.120.0080.06112.66
5.3.110.0080.05512.66
5.3.100.0060.05212.12
5.3.90.0130.04512.09
5.3.80.0070.05512.08
5.3.70.0070.05412.07
5.3.60.0120.05112.06
5.3.50.0100.05012.00
5.3.40.0080.05112.00
5.3.30.0060.04411.94
5.3.20.0140.05311.70
5.3.10.0110.04711.67
5.3.00.0110.04411.66
5.2.170.0130.0309.15
5.2.160.0080.0379.15
5.2.150.0070.0319.15
5.2.140.0070.0339.14
5.2.130.0100.0279.11
5.2.120.0070.0309.11
5.2.110.0070.0339.12
5.2.100.0050.0329.12
5.2.90.0080.0359.11
5.2.80.0060.0429.11
5.2.70.0060.0349.11
5.2.60.0080.0329.06
5.2.50.0040.0389.03
5.2.40.0060.0419.00
5.2.30.0110.0388.98
5.2.20.0110.0338.97
5.2.10.0060.0388.90
5.2.00.0100.0488.75
5.1.60.0090.0388.04
5.1.50.0060.0518.04
5.1.40.0120.0538.03
5.1.30.0280.0698.38
5.1.20.0100.0398.40
5.1.10.0070.0418.12
5.1.00.0060.0358.12
5.0.50.0120.0346.59
5.0.40.0040.0296.46
5.0.30.0060.0456.27
5.0.20.0050.0276.25
5.0.10.0080.0286.22
5.0.00.0040.0386.20
4.4.90.0030.0254.78
4.4.80.0050.0254.75
4.4.70.0060.0214.75
4.4.60.0060.0214.75
4.4.50.0080.0184.77
4.4.40.0020.0344.71
4.4.30.0030.0214.76
4.4.20.0090.0354.85
4.4.10.0100.0344.85
4.4.00.0080.0784.76
4.3.110.0040.0214.67
4.3.100.0070.0194.67
4.3.90.0030.0244.63
4.3.80.0050.0704.58
4.3.70.0080.0374.63
4.3.60.0060.0414.63
4.3.50.0080.0434.63
4.3.40.0070.0324.54
4.3.30.0030.0213.27
4.3.20.0020.0223.25
4.3.10.0030.0213.21
4.3.00.0170.0206.97

preferences:
38.22 ms | 400 KiB | 5 Q