3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = "16 18 9 22 1 3 25 12 15 19 20"; $chr = explode(" ", $str); $out = ""; foreach($chr as $c) { $out.= chr(65 + (int) $c); } print strtolower($out);

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)
8.3.60.0100.00716.63
8.3.50.0080.01021.97
8.3.40.0170.00318.65
8.3.30.0140.00019.13
8.3.20.0060.00320.20
8.3.10.0050.00323.68
8.3.00.0040.00420.73
8.2.180.0110.00718.16
8.2.170.0100.00722.96
8.2.160.0030.01622.26
8.2.150.0030.00524.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0040.00422.21
8.2.110.0040.00419.27
8.2.100.0070.00417.84
8.2.90.0080.00019.16
8.2.80.0060.00317.97
8.2.70.0060.00317.50
8.2.60.0040.00418.05
8.2.50.0040.00418.07
8.2.40.0080.00019.34
8.2.30.0070.00018.13
8.2.20.0040.00417.71
8.2.10.0050.00317.74
8.2.00.0000.00817.75
8.1.280.0100.00725.92
8.1.270.0040.00423.87
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0090.00021.48
8.1.230.0110.00017.58
8.1.220.0040.00417.74
8.1.210.0090.00018.77
8.1.200.0000.00817.36
8.1.190.0000.00817.23
8.1.180.0080.00018.10
8.1.170.0030.00618.54
8.1.160.0000.00721.95
8.1.150.0040.00418.55
8.1.140.0050.00217.36
8.1.130.0030.00317.82
8.1.120.0000.00717.36
8.1.110.0040.00417.34
8.1.100.0030.00617.46
8.1.90.0040.00417.47
8.1.80.0000.00717.46
8.1.70.0030.00317.39
8.1.60.0080.00017.59
8.1.50.0040.00417.41
8.1.40.0000.00817.54
8.1.30.0030.00617.54
8.1.20.0000.00717.53
8.1.10.0040.00417.53
8.1.00.0040.00417.30
8.0.300.0000.00718.77
8.0.290.0000.00716.63
8.0.280.0080.00018.37
8.0.270.0070.00017.16
8.0.260.0030.00316.75
8.0.250.0000.00716.94
8.0.240.0040.00416.82
8.0.230.0040.00416.84
8.0.220.0000.00716.82
8.0.210.0050.00216.91
8.0.200.0070.00016.95
8.0.190.0000.00817.01
8.0.180.0040.00416.80
8.0.170.0040.00416.74
8.0.160.0040.00416.82
8.0.150.0070.00016.74
8.0.140.0070.00016.87
8.0.130.0000.00513.31
8.0.120.0000.00816.75
8.0.110.0040.00416.89
8.0.100.0000.00716.77
8.0.90.0040.00416.79
8.0.80.0090.00616.88
8.0.70.0000.00716.75
8.0.60.0000.00816.75
8.0.50.0090.00016.76
8.0.30.0090.00917.00
8.0.20.0100.00917.40
8.0.10.0000.00716.88
8.0.00.0120.00916.88
7.4.330.0050.00015.10
7.4.320.0030.00316.54
7.4.300.0060.00016.64
7.4.290.0070.00016.48
7.4.280.0040.00416.57
7.4.270.0000.00716.50
7.4.260.0000.00716.50
7.4.250.0000.00816.46
7.4.240.0040.00416.54
7.4.230.0000.00716.63
7.4.220.0120.00616.46
7.4.210.0010.01416.54
7.4.200.0080.00016.49
7.4.190.0000.00716.75
7.4.160.0080.00816.31
7.4.150.0120.00617.40
7.4.140.0100.00717.86
7.4.130.0070.01016.49
7.4.120.0100.01016.46
7.4.110.0090.00916.58
7.4.100.0150.00916.46
7.4.90.0070.01016.50
7.4.80.0100.00716.45
7.4.70.0110.00716.45
7.4.60.0150.00316.26
7.4.50.0000.00516.39
7.4.40.0030.01022.77
7.4.30.0050.01416.51
7.4.00.0070.01114.80
7.3.330.0020.00213.06
7.3.320.0000.00513.00
7.3.310.0000.00716.25
7.3.300.0000.00616.12
7.3.290.0150.00016.30
7.3.280.0120.00816.25
7.3.270.0030.01517.40
7.3.260.0120.00916.66
7.3.250.0100.00816.49
7.3.240.0060.01016.48
7.3.230.0060.01016.39
7.3.210.0100.00716.42
7.3.200.0110.01119.39
7.3.190.0220.00016.25
7.3.180.0080.00716.54
7.3.170.0120.00916.27
7.3.160.0090.00616.40
7.3.120.0080.00314.80
7.2.330.0120.00616.60
7.2.320.0200.00416.74
7.2.310.0130.00316.74
7.2.300.0070.01016.63
7.2.290.0040.01216.72
7.2.00.0030.01419.46
7.1.100.0000.01118.19
7.1.70.0040.00417.19
7.1.60.0030.01919.29
7.1.50.0100.01616.99
7.1.00.0030.07022.42
7.0.200.0040.00716.63
7.0.140.0070.07022.12
7.0.60.0070.07720.04
7.0.50.0070.04717.80
7.0.40.0030.04320.27
7.0.30.0170.04320.11
7.0.20.0270.06020.21
7.0.10.0270.08020.12
7.0.00.0100.04719.96
5.6.280.0000.07720.89
5.6.210.0070.07720.64
5.6.200.0030.07018.12
5.6.190.0100.05720.61
5.6.180.0030.07720.77
5.6.170.0370.07020.48
5.6.160.0030.09020.51
5.6.150.0100.05318.13
5.6.140.0100.08318.15
5.6.130.0100.08018.05
5.6.120.0030.08721.15
5.6.110.0000.06720.99
5.6.100.0100.08721.13
5.6.90.0130.08020.94
5.6.80.0070.05720.50
5.6.70.0300.04020.38
5.5.350.0030.08020.37
5.5.340.0130.07318.02
5.5.330.0100.04020.25
5.5.320.0100.08020.29
5.5.310.0130.07020.50
5.5.300.0070.04717.97
5.5.290.0030.08017.91
5.5.280.0070.08720.86
5.5.270.0100.05020.86
5.5.260.0300.07720.72
5.5.250.0170.04320.68
5.5.240.0070.08020.18
5.4.450.0970.06019.21
5.4.440.0170.06319.46
5.4.430.0230.05019.45
5.4.420.0170.05719.47
5.4.410.0070.06018.70
5.4.400.0200.05318.74
5.4.390.0200.05018.49
5.4.380.0130.05718.77
5.4.370.0230.06018.58
5.4.360.0200.06018.68
5.4.350.0200.05318.66
5.4.340.0300.06018.68
5.4.320.0040.04712.45
5.4.310.0070.03612.45
5.4.300.0050.03612.46
5.4.290.0040.03912.45
5.4.280.0170.08012.32
5.4.270.0250.06912.32
5.4.260.0080.07112.32
5.4.250.0090.07912.32
5.4.240.0170.04912.32
5.4.230.0140.05912.31
5.4.220.0170.06112.31
5.4.210.0180.06312.32
5.4.200.0160.05512.31
5.4.190.0120.06512.31
5.4.180.0140.06412.31
5.4.170.0080.03912.32
5.4.160.0130.04612.32
5.4.150.0090.03712.32
5.4.140.0150.03612.00
5.4.130.0090.04611.98
5.4.120.0270.07411.94
5.4.110.0270.08511.94
5.4.100.0140.06711.94
5.4.90.0070.06611.95
5.4.80.0160.06211.94
5.4.70.0150.06411.93
5.4.60.0280.08911.94
5.4.50.0240.07811.93
5.4.40.0160.05511.93
5.4.30.0110.04911.92
5.4.20.0130.04511.93
5.4.10.0140.05211.92
5.4.00.0110.05911.41
5.3.290.0040.05412.80
5.3.280.0120.06812.71
5.3.270.0140.06612.72
5.3.260.0110.06812.72
5.3.250.0170.07412.72
5.3.240.0150.06312.72
5.3.230.0150.06112.71
5.3.220.0060.06812.68
5.3.210.0150.05712.68
5.3.200.0130.06212.68
5.3.190.0140.05612.68
5.3.180.0140.05212.67
5.3.170.0110.05712.67
5.3.160.0110.05212.67
5.3.150.0120.05012.68
5.3.140.0090.06012.66
5.3.130.0140.06112.65
5.3.120.0200.05512.66
5.3.110.0230.04612.66
5.3.100.0120.03712.12
5.3.90.0100.04012.08
5.3.80.0120.03712.07
5.3.70.0090.04912.08
5.3.60.0140.09112.06
5.3.50.0200.06512.00
5.3.40.0120.04312.00
5.3.30.0090.05711.94
5.3.20.0090.04411.70
5.3.10.0050.03811.66
5.3.00.0080.03711.66
5.2.170.0070.0309.15
5.2.160.0090.0339.15
5.2.150.0120.0439.15
5.2.140.0130.0379.14
5.2.130.0590.0499.11
5.2.120.0100.0829.11
5.2.110.0080.0849.12
5.2.100.0130.0709.12
5.2.90.0170.0479.11
5.2.80.0170.0729.11
5.2.70.0150.0899.11
5.2.60.0180.0719.06
5.2.50.0160.0549.03
5.2.40.0280.0789.00
5.2.30.0120.0758.98
5.2.20.0060.0438.97
5.2.10.0110.0398.90
5.2.00.0120.0418.76
5.1.60.0110.0428.04
5.1.50.0060.0388.05
5.1.40.0040.0408.03
5.1.30.0300.0588.38
5.1.20.0120.0418.40
5.1.10.0140.0478.12
5.1.00.0180.0608.12
5.0.50.0170.0456.60
5.0.40.0070.0396.46
5.0.30.0050.0656.27
5.0.20.0230.0406.25
5.0.10.0160.0646.22
5.0.00.0140.0626.21
4.4.90.0450.0554.78
4.4.80.0130.0334.76
4.4.70.0050.0254.75
4.4.60.0080.0434.75
4.4.50.0070.0354.77
4.4.40.0100.0474.71
4.4.30.0070.0344.76
4.4.20.0070.0394.84
4.4.10.0060.0344.85
4.4.00.0100.0484.75
4.3.110.0170.0664.67
4.3.100.0040.0144.66
4.3.90.0200.0234.63
4.3.80.0070.0364.58
4.3.70.0080.0244.63
4.3.60.0070.0224.62
4.3.50.0050.0244.63
4.3.40.0040.0364.54
4.3.30.0070.0353.27
4.3.20.0070.0463.25
4.3.10.0060.0223.22
4.3.00.0300.02013.64

preferences:
27.66 ms | 401 KiB | 5 Q