3v4l.org

run code in 300+ PHP versions simultaneously
<?php function l($name) { $a = ["a" => "aaa", "b" => ["a"=>"123456"], "c" => ["d"=>["e" =>"1%1"]]]; $keys = explode(".", $name); $key = array_shift($keys); $result = isset($a[$key]) ? $a[$key] : null; foreach($keys as $k) { if(!$result) return $name; $result = isset($result[$k]) ? $result[$k] : null; } if(!$result) return $name; $args = func_get_args(); foreach($args as $k => $v) $result = str_replace("%{$k}", $v, $result); return $result; } var_dump(l("b.c"));

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)
8.3.60.0120.00316.75
8.3.50.0300.01022.13
8.3.40.0060.00918.84
8.3.30.0080.00619.04
8.3.20.0070.00020.34
8.3.10.0080.00023.71
8.3.00.0000.00820.89
8.2.180.0140.00716.38
8.2.170.0000.01422.96
8.2.160.0120.00420.37
8.2.150.0050.00224.18
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0080.00020.69
8.2.110.0000.00922.26
8.2.100.0120.00017.96
8.2.90.0000.00719.29
8.2.80.0040.00417.97
8.2.70.0000.00817.63
8.2.60.0030.00918.03
8.2.50.0000.00918.07
8.2.40.0000.00919.79
8.2.30.0000.00718.41
8.2.20.0040.00417.68
8.2.10.0020.00518.10
8.2.00.0080.00017.61
8.1.280.0070.00725.92
8.1.270.0040.00421.89
8.1.260.0080.00026.35
8.1.250.0050.00528.09
8.1.240.0030.00723.92
8.1.230.0040.00719.10
8.1.220.0080.00017.74
8.1.210.0100.00018.77
8.1.200.0030.00617.35
8.1.190.0040.00417.22
8.1.180.0000.00818.10
8.1.170.0000.00918.49
8.1.160.0060.00321.93
8.1.150.0070.00018.58
8.1.140.0070.00017.48
8.1.130.0000.00717.86
8.1.120.0000.00717.35
8.1.110.0050.00317.46
8.1.100.0070.00017.45
8.1.90.0040.00317.36
8.1.80.0020.00517.41
8.1.70.0000.00717.43
8.1.60.0000.00817.59
8.1.50.0040.00417.49
8.1.40.0080.00017.55
8.1.30.0090.00017.54
8.1.20.0040.00417.54
8.1.10.0050.00217.48
8.1.00.0080.00317.47
8.0.300.0000.00718.96
8.0.290.0000.00816.75
8.0.280.0030.00318.54
8.0.270.0030.00317.16
8.0.260.0060.00017.18
8.0.250.0030.00316.96
8.0.240.0000.00716.84
8.0.230.0000.00716.89
8.0.220.0000.00716.79
8.0.210.0030.00316.87
8.0.200.0060.00016.94
8.0.190.0040.00416.91
8.0.180.0000.00716.89
8.0.170.0030.00616.81
8.0.160.0000.00716.92
8.0.150.0000.00716.80
8.0.140.0000.00716.75
8.0.130.0040.00313.32
8.0.120.0000.00816.88
8.0.110.0040.00416.77
8.0.100.0030.00516.79
8.0.90.0000.00716.91
8.0.80.0110.00516.94
8.0.70.0000.00716.84
8.0.60.0000.00716.71
8.0.50.0000.00716.94
8.0.30.0080.01117.02
8.0.20.0070.01217.40
8.0.10.0040.00416.98
8.0.00.0070.01016.65
7.4.330.0030.00315.00
7.4.320.0030.00316.58
7.4.300.0000.00616.58
7.4.290.0030.00516.63
7.4.280.0000.00716.58
7.4.270.0000.00716.58
7.4.260.0000.01016.47
7.4.250.0050.00316.47
7.4.240.0040.00416.63
7.4.230.0030.00316.30
7.4.220.0070.01116.51
7.4.210.0040.01616.48
7.4.200.0060.00316.66
7.4.160.0100.01016.46
7.4.150.0180.00317.40
7.4.140.0060.01117.86
7.4.130.0080.00916.58
7.4.120.0080.00816.41
7.4.110.0130.00316.72
7.4.100.0030.01416.47
7.4.90.0070.01016.43
7.4.80.0070.01119.39
7.4.70.0030.01516.29
7.4.60.0140.00316.54
7.4.50.0040.00416.30
7.4.40.0060.00916.66
7.4.30.0070.01016.63
7.4.00.0030.01214.68
7.3.330.0030.00313.41
7.3.320.0050.00013.30
7.3.310.0070.00016.34
7.3.300.0040.00416.39
7.3.290.0120.00916.36
7.3.280.0100.01016.39
7.3.270.0100.01317.40
7.3.260.0030.01316.58
7.3.250.0140.00316.50
7.3.240.0140.00716.50
7.3.230.0040.01416.40
7.3.210.0100.01316.59
7.3.200.0060.01019.39
7.3.190.0090.00916.32
7.3.180.0080.00816.41
7.3.170.0190.00316.40
7.3.160.0130.00916.41
7.3.120.0150.00014.96
7.2.330.0110.00616.50
7.2.320.0030.01416.81
7.2.310.0060.01016.77
7.2.300.0120.01216.79
7.2.290.0030.01716.58
7.2.00.0090.00619.35
7.1.100.0000.01717.94
7.1.70.0000.01417.35
7.1.60.0110.01419.70
7.1.50.0060.01916.77
7.1.00.0100.07022.37
7.0.200.0060.00316.81
7.0.140.0000.07322.08
7.0.100.0000.08321.75
7.0.90.0030.08721.77
7.0.80.0070.08321.67
7.0.70.0130.07321.72
7.0.60.0070.07721.79
7.0.50.0170.04322.11
7.0.40.0100.08320.08
7.0.30.0100.08720.12
7.0.20.0070.08720.09
7.0.10.0000.09020.07
7.0.00.0200.08020.02
5.6.280.0100.06721.08
5.6.250.0070.07720.49
5.6.240.0030.04720.58
5.6.230.0130.07720.61
5.6.220.0100.07020.71
5.6.210.0130.07020.73
5.6.200.0000.09321.09
5.6.190.0170.06721.14
5.6.180.0070.08021.05
5.6.170.0130.08020.96
5.6.160.0100.08721.14
5.6.150.0000.05721.09
5.6.140.0070.08021.00
5.6.130.0100.05720.94
5.6.120.0100.08021.11
5.6.110.0070.05321.05
5.6.100.0130.08020.94
5.6.90.0170.07021.03
5.6.80.0130.07320.47
5.6.70.0100.06020.49
5.6.60.0000.05320.43
5.6.50.0030.05020.56
5.6.40.0070.08020.29
5.6.30.0070.05720.49
5.6.20.0070.05020.53
5.6.10.0070.07020.39
5.6.00.0070.04320.30
5.5.380.0070.08020.46
5.5.370.0030.08720.52
5.5.360.0170.06320.40
5.5.350.0130.07720.42
5.5.340.0200.06020.80
5.5.330.0100.07720.80
5.5.320.0100.08020.73
5.5.310.0100.06720.92
5.5.300.0070.06720.78
5.5.290.0130.07720.85
5.5.280.0030.07720.91
5.5.270.0030.08020.84
5.5.260.0030.07020.68
5.5.250.0030.08720.73
5.5.240.0030.08320.32
5.5.230.0030.08320.30
5.5.220.0130.03720.27
5.5.210.0200.06320.18
5.5.200.0030.05020.16
5.5.190.0100.07020.09
5.5.180.0170.07020.29
5.5.160.0130.07320.18
5.5.150.0030.07720.20
5.5.140.0000.04720.27
5.5.130.0130.06720.13
5.5.120.0070.05320.22
5.5.110.0200.06320.21
5.5.100.0070.07720.12
5.5.90.0100.07320.16
5.5.80.0200.07320.05
5.5.70.0170.03320.04
5.5.60.0030.05320.00
5.5.50.0030.04020.15
5.5.40.0030.04020.14
5.5.30.0130.03019.99
5.5.20.0000.04320.01
5.5.10.0070.03720.05
5.5.00.0070.03720.10
5.4.450.0000.07019.47
5.4.440.0030.07019.36
5.4.430.0030.10019.27
5.4.420.0000.08019.53
5.4.410.0030.08019.14
5.4.400.0100.08019.09
5.4.390.0030.06019.18
5.4.380.0030.04018.88
5.4.370.0130.08019.03
5.4.360.0100.07019.02
5.4.350.0000.08319.22
5.4.340.0130.05019.04
5.4.320.0100.07319.16
5.4.310.0070.07019.05
5.4.300.0070.07718.94
5.4.290.0070.06719.07
5.4.280.0030.05019.16
5.4.270.0170.06719.13
5.4.260.0030.07719.05
5.4.250.0030.07319.12
5.4.240.0070.04318.88
5.4.230.0000.05019.02
5.4.220.0100.03319.17
5.4.210.0030.04018.84
5.4.200.0070.03719.17
5.4.190.0070.03718.86
5.4.180.0000.06718.97
5.4.170.0030.03719.11
5.4.160.0000.04719.04
5.4.150.0030.04019.01
5.4.140.0100.03016.41
5.4.130.0030.04716.33
5.4.120.0030.03316.42
5.4.110.0030.03716.47
5.4.100.0030.03716.43
5.4.90.0070.03316.50
5.4.80.0000.03716.31
5.4.70.0000.03716.41
5.4.60.0000.04316.32
5.4.50.0030.03316.43
5.4.40.0000.04316.46
5.4.30.0070.06316.33
5.4.20.0070.03016.38
5.4.10.0030.03316.38
5.4.00.0030.04015.93
5.3.290.0100.07314.78
5.3.280.0000.05714.56
5.3.270.0030.03714.71
5.3.260.0030.04314.59
5.3.250.0070.06314.73
5.3.240.0030.03714.61
5.3.230.0170.02014.67
5.3.220.0000.05714.55
5.3.210.0070.04014.50
5.3.200.0030.06714.52
5.3.190.0000.04314.71
5.3.180.0000.04014.66
5.3.170.0130.02314.70
5.3.160.0070.03714.71
5.3.150.0030.03714.55
5.3.140.0070.03314.62
5.3.130.0000.04014.48
5.3.120.0000.04014.64
5.3.110.0100.04714.52
5.3.100.0030.03713.96
5.3.90.0030.04713.95
5.3.80.0000.03714.10
5.3.70.0000.04014.02
5.3.60.0070.03713.97
5.3.50.0070.06013.93
5.3.40.0070.03014.05
5.3.30.0030.04013.92
5.3.20.0000.03713.78
5.3.10.0000.03713.55
5.3.00.0000.04013.64
5.2.170.0000.03012.10
5.2.160.0030.02712.10
5.2.150.0000.03012.10
5.2.140.0030.03012.10
5.2.130.0000.03012.10
5.2.120.0070.03012.10
5.2.110.0030.03012.10
5.2.100.0030.02312.10
5.2.90.0030.02712.10
5.2.80.0030.03312.10
5.2.70.0000.03012.10
5.2.60.0030.03012.10
5.2.50.0000.02712.10
5.2.40.0000.04312.10
5.2.30.0000.03312.10
5.2.20.0030.03012.10
5.2.10.0030.02712.10
5.2.00.0000.03012.10
5.1.60.0000.03012.10
5.1.50.0030.05312.10
5.1.40.0100.04312.10
5.1.30.0030.03012.10
5.1.20.0000.04712.10
5.1.10.0070.05012.10
5.1.00.0000.03012.10
5.0.50.0100.04012.10
5.0.40.0000.04312.10
5.0.30.0000.06012.10
5.0.20.0030.04012.10
5.0.10.0070.04012.10
5.0.00.0070.06012.10
4.4.90.0000.01712.10
4.4.80.0030.01012.10
4.4.70.0000.02012.10
4.4.60.0000.01312.10
4.4.50.0000.01312.10
4.4.40.0000.02712.10
4.4.30.0000.03712.10
4.4.20.0000.02012.10
4.4.10.0070.03312.10
4.4.00.0030.03012.10
4.3.110.0000.04012.10
4.3.100.0000.03712.10
4.3.90.0000.03312.10
4.3.80.0030.03712.10
4.3.70.0100.02712.10
4.3.60.0100.02312.10
4.3.50.0030.02012.10
4.3.40.0030.05012.10
4.3.30.0070.02012.10
4.3.20.0000.03712.10
4.3.10.0000.03712.10
4.3.00.0000.03312.10

preferences:
43.41 ms | 401 KiB | 5 Q