3v4l.org

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

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)
8.3.60.0100.00718.55
8.3.50.0090.00921.20
8.3.40.0120.00318.84
8.3.30.0030.01019.14
8.3.20.0000.00820.30
8.3.10.0080.00022.13
8.3.00.0080.00022.37
8.2.180.0100.01016.38
8.2.170.0030.01022.96
8.2.160.0030.01019.21
8.2.150.0070.00024.18
8.2.140.0030.00524.66
8.2.130.0000.00826.16
8.2.120.0040.00419.25
8.2.110.0040.00420.39
8.2.100.0060.00320.38
8.1.280.0170.00325.92
8.1.270.0040.00421.96
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0050.00519.00
8.1.230.0050.00518.49
5.4.280.0130.12812.33
5.4.270.0080.05712.33
5.4.260.0150.09712.33
5.4.250.0180.08212.33
5.4.240.0290.09212.32
5.4.230.0150.07712.32
5.4.220.0220.09212.32
5.4.210.0280.06812.32
5.4.200.0170.08312.32
5.4.190.0180.07012.32
5.4.180.0150.08012.31
5.4.170.0090.06012.32
5.4.160.0120.09612.32
5.4.150.0150.07212.32
5.4.140.0170.08012.00
5.4.130.0150.07811.99
5.4.120.0150.07711.95
5.4.110.0100.06411.95
5.4.100.0080.05511.95
5.4.90.0120.09411.94
5.4.80.0220.09011.95
5.4.70.0140.07711.94
5.4.60.0130.04611.94
5.4.50.0070.05511.94
5.4.40.0070.05611.93
5.4.30.0100.06211.92
5.4.20.0100.10311.93
5.4.10.0200.07911.93
5.4.00.0130.05511.42
5.3.280.0100.06512.71
5.3.270.0080.06012.72
5.3.260.0050.07312.72
5.3.250.0080.06512.72
5.3.240.0110.07312.72
5.3.230.0200.08012.71
5.3.220.0150.08112.68
5.3.210.0050.07212.68
5.3.200.0070.05712.68
5.3.190.0130.05912.68
5.3.180.0120.07812.68
5.3.170.0110.05412.67
5.3.160.0080.04112.68
5.3.150.0080.04212.68
5.3.140.0080.03912.66
5.3.130.0070.04412.66
5.3.120.0080.07312.66
5.3.110.0070.04312.66
5.3.100.0090.04212.12
5.3.90.0040.04112.08
5.3.80.0070.04612.07
5.3.70.0110.05612.08
5.3.60.0160.07012.06
5.3.50.0110.05112.00
5.3.40.0100.05512.00
5.3.30.0050.04211.94
5.3.20.0090.03911.70
5.3.10.0100.04111.67
5.3.00.0100.05811.66
5.2.170.0080.0639.14
5.2.160.0060.0449.15
5.2.150.0090.0429.15
5.2.140.0080.0449.15
5.2.130.0080.0429.11
5.2.120.0150.0579.11
5.2.110.0080.0519.11
5.2.100.0070.0429.12
5.2.90.0080.0459.11
5.2.80.0100.0599.11
5.2.70.0060.0449.11
5.2.60.0100.0539.05
5.2.50.0090.0509.03
5.2.40.0100.0409.00
5.2.30.0070.0448.98
5.2.20.0070.0428.97
5.2.10.0080.0428.90
5.2.00.0060.0458.76
5.1.60.0050.0388.04
5.1.50.0060.0368.05
5.1.40.0090.0438.02
5.1.30.0060.0548.38
5.1.20.0180.0548.39
5.1.10.0040.0268.13
5.1.00.0060.0258.12
5.0.50.0040.0246.60
5.0.40.0090.0236.46
5.0.30.0100.0366.27
5.0.20.0020.0296.24
5.0.10.0060.0296.22
5.0.00.0070.0406.21
4.4.90.0050.0234.78
4.4.80.0050.0204.75
4.4.70.0030.0334.76
4.4.60.0060.0204.75
4.4.50.0100.0174.77
4.4.40.0090.0604.71
4.4.30.0080.0254.75
4.4.20.0080.0264.84
4.4.10.0110.0344.85
4.4.00.0060.0354.75
4.3.110.0110.0244.67
4.3.100.0040.0234.66
4.3.90.0050.0254.63
4.3.80.0060.0344.58
4.3.70.0080.0204.63
4.3.60.0040.0454.63
4.3.50.0060.0284.63
4.3.40.0080.0324.54
4.3.30.0050.0233.27
4.3.20.0080.0343.25
4.3.10.0020.0243.21
4.3.00.0100.0277.26

preferences:
36.61 ms | 401 KiB | 5 Q