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 $name; print_r($name); $result = isset($result[$k]) ? $result[$k] : null; } $args = func_get_args(); foreach($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)
8.3.60.0070.01116.49
8.3.50.0120.00817.70
8.3.40.0040.01118.75
8.3.30.0070.00718.82
8.3.20.0080.00018.87
8.3.10.0090.00020.48
8.3.00.0000.00819.13
8.2.180.0100.01016.75
8.2.170.0140.00722.96
8.2.160.0110.00720.69
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0110.00720.99
8.2.110.0050.00521.12
8.2.100.0040.00817.84
8.2.90.0000.01019.46
8.2.80.0000.00719.25
8.2.70.0070.00317.75
8.2.60.0060.00318.04
8.2.50.0030.00618.07
8.2.40.0030.00618.34
8.2.30.0080.00018.03
8.2.20.0060.00317.80
8.2.10.0050.00317.80
8.2.00.0070.00017.80
8.1.280.0110.00425.92
8.1.270.0050.00324.66
8.1.260.0050.00326.35
8.1.250.0000.00828.09
8.1.240.0080.00423.79
8.1.230.0030.00721.01
8.1.220.0060.00317.74
8.1.210.0080.00418.83
8.1.200.0030.00617.36
8.1.190.0000.00817.40
8.1.180.0080.00018.10
8.1.170.0000.00818.90
8.1.160.0000.00718.83
8.1.150.0040.00418.68
8.1.140.0040.00417.35
8.1.130.0030.00317.82
8.1.120.0000.00817.43
8.1.110.0000.00717.43
8.1.100.0050.00217.49
8.1.90.0030.00517.34
8.1.80.0070.00017.45
8.1.70.0000.00717.45
8.1.60.0000.00817.56
8.1.50.0050.00317.33
8.1.40.0040.00417.48
8.1.30.0050.00317.54
8.1.20.0050.00217.53
8.1.10.0060.00317.44
8.1.00.0020.00517.36
8.0.300.0070.00019.97
8.0.290.0040.00416.63
8.0.280.0070.00018.45
8.0.270.0000.00717.13
8.0.260.0030.00316.73
8.0.250.0040.00417.01
8.0.240.0000.00716.97
8.0.230.0030.00516.98
8.0.220.0030.00316.87
8.0.210.0030.00316.91
8.0.200.0000.00616.82
8.0.190.0040.00416.96
8.0.180.0070.00016.88
8.0.170.0030.00716.81
8.0.160.0070.00017.01
8.0.150.0030.00516.84
8.0.140.0070.00016.85
8.0.130.0000.00513.32
8.0.120.0040.00416.84
8.0.110.0060.00316.75
8.0.100.0070.00016.66
8.0.90.0000.00716.79
8.0.80.0040.01316.82
8.0.70.0040.00416.77
8.0.60.0000.00716.71
8.0.50.0040.00416.75
8.0.30.0160.00317.08
8.0.20.0130.01017.32
8.0.10.0000.00717.00
8.0.00.0140.00516.80
7.4.330.0000.00512.93
7.4.320.0040.00416.57
7.4.300.0030.00316.48
7.4.290.0060.00016.55
7.4.280.0060.00316.49
7.4.270.0030.00316.57
7.4.260.0000.00513.21
7.4.250.0060.00316.61
7.4.240.0030.00316.59
7.4.230.0000.00716.48
7.4.220.0110.00516.53
7.4.210.0090.00716.56
7.4.200.0040.00416.50
7.4.190.0040.00416.46
7.4.160.0040.01216.53
7.4.150.0110.00716.57
7.4.140.0070.01116.61
7.4.130.0070.01216.53
7.4.120.0130.00316.37
7.4.110.0070.01016.68
7.4.100.0150.00316.45
7.4.90.0060.01216.52
7.4.80.0060.01119.39
7.4.70.0100.01316.34
7.4.60.0040.01416.55
7.4.50.0090.00016.60
7.4.40.0070.01116.30
7.4.30.0090.01216.49
7.4.00.0030.01115.04
7.3.330.0030.00313.15
7.3.320.0030.00313.30
7.3.310.0070.00016.26
7.3.300.0050.00216.36
7.3.290.0090.01016.37
7.3.280.0110.00616.35
7.3.270.0110.00716.57
7.3.260.0090.00916.68
7.3.250.0150.00416.42
7.3.240.0200.00616.65
7.3.230.0090.01216.43
7.3.210.0110.01116.49
7.3.200.0060.00916.39
7.3.190.0100.01016.70
7.3.180.0090.00616.17
7.3.170.0100.00616.55
7.3.160.0090.00616.42
7.3.120.0090.00914.84
7.3.110.0090.00915.03
7.3.100.0100.00314.91
7.3.90.0030.01014.86
7.3.80.0030.01315.00
7.3.70.0030.01415.01
7.3.60.0030.00814.84
7.3.50.0090.00614.84
7.3.40.0070.00714.78
7.3.30.0070.00714.83
7.3.20.0040.01116.61
7.3.10.0070.00816.77
7.3.00.0040.01216.60
7.2.330.0130.00616.79
7.2.320.0130.01016.68
7.2.310.0070.01116.89
7.2.300.0040.01316.81
7.2.290.0090.00616.58
7.2.250.0030.01315.09
7.2.240.0070.01414.75
7.2.230.0060.00615.20
7.2.220.0070.01115.24
7.2.210.0000.01515.12
7.2.200.0170.00014.85
7.2.190.0060.01014.86
7.2.180.0060.00915.00
7.2.170.0070.00715.12
7.2.130.0100.00016.83
7.2.120.0030.01017.00
7.2.110.0000.01817.00
7.2.100.0070.00717.02
7.2.90.0070.00717.08
7.2.80.0000.01516.94
7.2.70.0120.00617.07
7.2.60.0000.01017.13
7.2.50.0060.00917.05
7.2.40.0130.00317.09
7.2.30.0070.01016.77
7.2.20.0030.01417.00
7.2.10.0060.00616.91
7.2.00.0060.00317.04
7.1.330.0110.00315.74
7.1.320.0030.00615.75
7.1.310.0030.00915.94
7.1.300.0030.00915.44
7.1.290.0000.01015.68
7.1.280.0060.00615.79
7.1.270.0080.00515.77
7.1.260.0100.00315.69
7.1.250.0070.00415.84
7.1.200.0090.00315.90
7.1.70.0000.00817.08
7.1.60.0130.00319.40
7.1.50.0100.01016.95
7.1.00.0030.07722.34
7.0.200.0160.00314.98
7.0.140.0100.07021.92
7.0.120.0000.07722.05
7.0.60.0070.06319.91
7.0.50.0070.04717.89
7.0.40.0100.07717.91
7.0.30.0070.08717.76
7.0.20.0030.05717.86
7.0.10.0070.05017.71
7.0.00.0030.05017.68
5.6.280.0030.07321.15
5.6.210.0170.07020.77
5.6.200.0000.08718.25
5.6.190.0170.07018.22
5.6.180.0030.04718.25
5.6.170.0100.07018.29
5.6.160.0100.06318.28
5.6.150.0100.08018.16
5.6.140.0070.07718.27
5.6.130.0130.05318.27
5.6.120.0070.08318.17
5.6.110.0070.08018.28
5.6.100.0030.04318.14
5.6.90.0100.03718.16
5.6.80.0070.07017.57
5.6.70.0230.06017.66
5.6.60.0030.08017.66
5.6.50.0070.06017.57
5.6.40.0030.06017.60
5.6.30.0070.03717.61
5.6.20.0070.07717.51
5.6.10.0030.05717.64
5.6.00.0070.08017.62
5.5.350.0330.07320.30
5.5.340.0070.07717.95
5.5.330.0070.08718.03
5.5.320.0000.05717.96
5.5.310.0070.08017.93
5.5.300.0070.04718.03
5.5.290.0100.04317.99
5.5.280.0070.05317.98
5.5.270.0070.04718.06
5.5.260.0070.04717.95
5.5.250.0100.08017.79
5.5.240.0030.08017.35
5.5.230.0070.05717.33
5.5.220.0100.07317.35
5.5.210.0070.08017.45
5.5.200.0030.08017.34
5.5.190.0070.07317.30
5.5.180.0070.08317.36
5.5.160.0070.07317.33
5.5.150.0130.05717.33
5.5.140.0070.04317.27
5.5.130.0070.08017.38
5.5.120.0030.04317.34
5.5.110.0070.04017.37
5.5.100.0030.05017.18
5.5.90.0170.05317.23
5.5.80.0000.06717.30
5.5.70.0030.04317.30
5.5.60.0100.05317.22
5.5.50.0100.06717.32
5.5.40.0000.06017.32
5.5.30.0070.07317.18
5.5.20.0100.07317.31
5.5.10.0100.05717.22
5.5.00.0130.04317.21
5.4.450.0100.08019.47
5.4.440.0000.07019.34
5.4.430.0170.07019.37
5.4.420.0030.07719.27
5.4.410.0070.07719.29
5.4.400.0030.04319.11
5.4.390.0030.07719.13
5.4.380.0070.03719.13
5.4.370.0100.08019.12
5.4.360.0000.04719.01
5.4.350.0030.04318.95
5.4.340.0100.07019.32
5.4.320.0030.08019.27
5.4.310.0030.07719.10
5.4.300.0070.07319.09
5.4.290.0100.07719.13
5.4.280.0070.04319.09
5.4.270.0100.04019.11
5.4.260.0100.03318.95
5.4.250.0000.04019.05
5.4.240.0070.07719.03
5.4.230.0130.06318.89
5.4.220.0070.04319.26
5.4.210.0100.03318.88
5.4.200.0030.07719.04
5.4.190.0100.07719.11
5.4.180.0030.08019.11
5.4.170.0070.06319.04
5.4.160.0100.07018.97
5.4.150.0070.04319.03
5.4.140.0030.07716.44
5.4.130.0070.08016.34
5.4.120.0130.05716.30
5.4.110.0030.08016.47
5.4.100.0030.04016.39
5.4.90.0030.03716.42
5.4.80.0030.03716.54
5.4.70.0070.04716.33
5.4.60.0030.07316.27
5.4.50.0100.06016.40
5.4.40.0100.03016.48
5.4.30.0000.06716.20
5.4.20.0000.04316.43
5.4.10.0100.07016.46
5.4.00.0070.04716.02
5.3.290.0030.07714.62
5.3.280.0030.07714.64
5.3.270.0030.04714.70
5.3.260.0070.06014.64
5.3.250.0000.04314.61
5.3.240.0070.05314.63
5.3.230.0100.07714.64
5.3.220.0030.06314.55
5.3.210.0100.07314.41
5.3.200.0070.04714.59
5.3.190.0070.05314.58
5.3.180.0070.03314.55
5.3.170.0030.06714.59
5.3.160.0030.07714.58
5.3.150.0130.06014.60
5.3.140.0000.04314.52
5.3.130.0030.04714.61
5.3.120.0070.04014.57
5.3.110.0070.07714.61
5.3.100.0130.04313.88
5.3.90.0070.06313.98
5.3.80.0000.08014.11
5.3.70.0070.07313.86
5.3.60.0070.07313.98
5.3.50.0070.06013.99
5.3.40.0070.07713.96
5.3.30.0100.07313.82
5.3.20.0070.03713.73
5.3.10.0070.06013.63
5.3.00.0100.07013.70
5.2.170.0070.03711.05
5.2.160.0170.05011.16
5.2.150.0100.05311.05
5.2.140.0030.04010.99
5.2.130.0070.03711.01
5.2.120.0030.05010.92
5.2.110.0030.04011.13
5.2.100.0070.06311.12
5.2.90.0000.06711.13
5.2.80.0030.06710.93
5.2.70.0170.05011.29
5.2.60.0030.05010.89
5.2.50.0030.06710.92
5.2.40.0100.02310.88
5.2.30.0030.06011.06
5.2.20.0070.05311.04
5.2.10.0030.03010.71
5.2.00.0030.06010.70
5.1.60.0000.0509.98
5.1.50.0100.02710.06
5.1.40.0030.0339.97
5.1.30.0000.03310.43
5.1.20.0030.02710.39
5.1.10.0000.03310.28
5.1.00.0070.03310.17
5.0.50.0070.0438.54
5.0.40.0070.0408.45
5.0.30.0070.0538.28
5.0.20.0100.0378.28
5.0.10.0030.0278.28
5.0.00.0100.0538.28
4.4.90.0070.0338.28
4.4.80.0030.0378.28
4.4.70.0070.0138.28
4.4.60.0030.0378.28
4.4.50.0030.0278.28
4.4.40.0100.0478.28
4.4.30.0070.0338.28
4.4.20.0030.0178.28
4.4.10.0000.0208.28
4.4.00.0000.0538.28
4.3.110.0030.0378.28
4.3.100.0030.0278.28
4.3.90.0000.0278.28
4.3.80.0000.0578.28
4.3.70.0000.0278.28
4.3.60.0000.0378.28
4.3.50.0070.0308.28
4.3.40.0000.0508.28
4.3.30.0000.0378.28
4.3.20.0000.0408.28
4.3.10.0070.0278.28
4.3.00.0030.0338.28

preferences:
43.76 ms | 401 KiB | 5 Q