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; } $args = func_get_args(); foreach($args as $k => $v) $result = str_replace("%{$k}", $v, $result); return $result; } var_dump(l("a")); var_dump(l("b.a")); var_dump(l("b.c")); var_dump(l("c.d.e", 45));

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)
8.3.60.0140.00018.43
8.3.50.0120.00521.14
8.3.40.0040.01118.80
8.3.30.0070.00718.69
8.3.20.0080.00018.81
8.3.10.0000.00821.08
8.3.00.0030.00519.45
8.2.180.0160.00316.88
8.2.170.0040.01122.96
8.2.160.0100.01020.36
8.2.150.0040.00425.66
8.2.140.0040.00724.66
8.2.130.0000.00726.16
8.2.120.0090.00020.96
8.2.110.0090.00022.25
8.2.100.0080.00318.03
8.2.90.0040.00419.36
8.2.80.0050.00219.28
8.2.70.0030.00617.63
8.2.60.0060.00317.93
8.2.50.0040.00418.07
8.2.40.0000.00818.22
8.2.30.0040.00421.20
8.2.20.0050.00217.91
8.2.10.0000.00817.88
8.2.00.0080.00317.85
8.1.280.0030.01425.92
8.1.270.0000.00823.99
8.1.260.0160.00026.35
8.1.250.0080.00028.09
8.1.240.0040.00422.59
8.1.230.0110.00020.84
8.1.220.0040.00418.77
8.1.210.0080.00018.86
8.1.200.0000.01017.36
8.1.190.0000.00817.54
8.1.180.0040.00418.10
8.1.170.0030.00618.70
8.1.160.0000.00718.79
8.1.150.0040.00418.67
8.1.140.0040.00417.33
8.1.130.0030.00317.85
8.1.120.0040.00417.38
8.1.110.0000.00717.46
8.1.100.0000.00717.39
8.1.90.0000.00717.48
8.1.80.0050.00317.35
8.1.70.0030.00317.37
8.1.60.0000.00817.67
8.1.50.0040.00417.41
8.1.40.0000.00917.43
8.1.30.0040.00417.67
8.1.20.0040.00417.68
8.1.10.0040.00417.59
8.1.00.0000.00817.57
8.0.300.0000.00719.98
8.0.290.0040.00417.04
8.0.280.0050.00218.51
8.0.270.0000.00717.19
8.0.260.0000.00816.80
8.0.250.0070.00016.95
8.0.240.0080.00017.00
8.0.230.0080.00017.02
8.0.220.0000.00716.88
8.0.210.0040.00416.92
8.0.200.0030.00317.02
8.0.190.0000.00716.98
8.0.180.0000.00716.92
8.0.170.0030.00616.84
8.0.160.0000.00916.91
8.0.150.0040.00416.84
8.0.140.0000.00716.88
8.0.130.0000.00613.34
8.0.120.0050.00316.90
8.0.110.0080.00016.98
8.0.100.0040.00416.74
8.0.90.0000.00716.93
8.0.80.0000.01416.87
8.0.70.0070.00016.82
8.0.60.0040.00416.79
8.0.50.0080.00016.97
8.0.30.0040.01417.17
8.0.20.0120.00917.40
8.0.10.0030.00517.04
8.0.00.0070.01016.82
7.4.330.0050.00016.67
7.4.320.0030.00316.45
7.4.300.0070.00016.54
7.4.290.0050.00316.63
7.4.280.0030.00316.49
7.4.270.0000.00616.43
7.4.260.0060.00013.27
7.4.250.0030.00516.57
7.4.240.0070.00016.46
7.4.230.0040.00416.66
7.4.220.0100.00716.61
7.4.210.0070.00916.67
7.4.200.0000.00716.47
7.4.190.0030.00316.59
7.4.160.0090.01216.63
7.4.150.0100.01017.40
7.4.140.0090.00817.86
7.4.130.0080.01016.57
7.4.120.0090.00916.68
7.4.110.0090.00916.45
7.4.100.0110.00716.51
7.4.90.0040.01316.41
7.4.80.0160.00619.39
7.4.70.0120.00416.60
7.4.60.0070.01016.47
7.4.50.0040.00416.41
7.4.40.0090.00622.77
7.4.30.0110.00616.47
7.4.00.0080.00815.21
7.3.330.0030.00313.39
7.3.320.0070.00013.40
7.3.310.0000.00716.40
7.3.300.0030.00316.35
7.3.290.0120.00616.32
7.3.280.0090.00916.33
7.3.270.0040.01417.40
7.3.260.0080.01118.24
7.3.250.0120.00816.49
7.3.240.0130.00316.42
7.3.230.0130.00316.41
7.3.210.0130.00416.42
7.3.200.0150.00419.39
7.3.190.0000.01716.63
7.3.180.0140.00416.34
7.3.170.0090.01216.52
7.3.160.0170.00316.74
7.3.120.0040.00414.90
7.2.330.0070.01016.54
7.2.320.0050.01416.73
7.2.310.0160.00316.59
7.2.300.0080.00816.79
7.2.290.0080.00816.56
7.2.00.0130.00819.64
7.1.100.0040.01118.32
7.1.70.0040.00417.20
7.1.60.0070.01719.24
7.1.50.0100.01416.90
7.1.00.0000.03722.54
7.0.200.0000.00716.85
7.0.140.0070.07022.00
7.0.60.0070.05319.94
7.0.50.0070.08717.99
7.0.40.0070.08020.30
7.0.30.0300.04720.27
7.0.20.0200.08320.07
7.0.10.0230.08020.29
7.0.00.0070.08320.20
5.6.280.0070.07021.04
5.6.210.0130.07020.67
5.6.200.0030.06718.13
5.6.190.0070.08320.73
5.6.180.0300.04020.57
5.6.170.0230.04320.54
5.6.160.0100.08020.45
5.6.150.0030.08718.12
5.6.140.0030.04318.17
5.6.130.0130.07318.26
5.6.120.0130.05321.14
5.6.110.0030.08721.18
5.6.100.0100.08320.96
5.6.90.0130.05320.96
5.6.80.0070.04720.51
5.6.70.0330.07020.41
5.5.350.0270.07720.39
5.5.340.0100.03317.95
5.5.330.0200.06720.58
5.5.320.0230.04720.45
5.5.310.0200.05320.27
5.5.300.0030.04018.04
5.5.290.0030.04017.98
5.5.280.0100.07020.88
5.5.270.0170.07020.96
5.5.260.0070.09020.76
5.5.250.0100.04020.69
5.5.240.0000.04320.13
5.4.450.1600.04019.57
5.4.440.1730.04019.38
5.4.430.1570.04019.30
5.4.420.1630.03019.52
5.4.410.1730.03019.07
5.4.400.1700.03319.09
5.4.390.1600.04319.21
5.4.380.1730.03019.08
5.4.370.1730.03319.09
5.4.360.1870.05019.25
5.4.350.1800.05319.09
5.4.340.1770.03018.98
5.4.320.1670.04019.27
5.4.310.1730.03319.17
5.4.300.1970.04018.95
5.4.290.1700.03319.22
5.4.280.1670.03719.22
5.4.270.1730.03319.05
5.4.260.1570.04019.22
5.4.250.1800.03719.07
5.4.240.1770.03719.05
5.4.230.1770.03319.14
5.4.220.1070.03719.14
5.4.210.1130.03719.09
5.4.200.1200.03719.21
5.4.190.1530.04719.05
5.4.180.1800.05019.12
5.4.170.1700.04718.88
5.4.160.2030.04719.20
5.4.150.1730.03719.29
5.4.140.1700.04016.50
5.4.130.1730.03316.31
5.4.120.1770.03316.33
5.4.110.1700.04016.41
5.4.100.1830.03316.25
5.4.90.1900.03016.28
5.4.80.1700.04016.58
5.4.70.1770.03016.50
5.4.60.1730.03716.55
5.4.50.1730.03316.53
5.4.40.1530.03316.51
5.4.30.2000.03316.42
5.4.20.2000.04016.53
5.4.10.2000.04716.32
5.4.00.1830.04015.96
5.3.290.1600.03714.68
5.3.280.1800.04314.64
5.3.270.1600.03714.57
5.3.260.1870.04314.58
5.3.250.1900.03714.60
5.3.240.1830.04314.61
5.3.230.1870.04014.68
5.3.220.1730.03314.57
5.3.210.1730.03714.59
5.3.200.1670.04714.49
5.3.190.1770.03314.49
5.3.180.1830.03714.54
5.3.170.1800.04314.54
5.3.160.1630.03714.68
5.3.150.1970.02714.64
5.3.140.1970.04014.48
5.3.130.1700.03314.70
5.3.120.1770.03714.54
5.3.110.1630.03714.64
5.3.100.1630.04014.26
5.3.90.1870.02713.93
5.3.80.1970.04013.92
5.3.70.1800.03714.15
5.3.60.1830.04013.90
5.3.50.1800.04714.02
5.3.40.1870.04713.95
5.3.30.1830.04013.93
5.3.20.1870.04313.69
5.3.10.1830.03013.66
5.3.00.1900.04313.64
5.2.170.1930.03011.37
5.2.160.1970.03011.05
5.2.150.1400.03311.06
5.2.140.1470.02311.11
5.2.130.1500.02711.03
5.2.120.1370.03311.11
5.2.110.1700.03011.00
5.2.100.1700.03311.02
5.2.90.1730.03711.02
5.2.80.1370.03311.24
5.2.70.1370.03311.05
5.2.60.1700.03710.95
5.2.50.1630.03011.06
5.2.40.1100.03010.95
5.2.30.1570.03011.20
5.2.20.1100.03011.04
5.2.10.1400.03010.94
5.2.00.1370.04710.63
5.1.60.1300.0279.92
5.1.50.1200.0209.90
5.1.40.1330.0309.86
5.1.30.1370.03710.34
5.1.20.1330.03010.36
5.1.10.1400.02710.07
5.1.00.1130.02310.07
5.0.50.0400.0308.63
5.0.40.0530.0208.30
5.0.30.0600.0308.14
5.0.20.0800.0278.18
5.0.10.0700.0208.07
5.0.00.0630.0278.15
4.4.90.0600.0177.93
4.4.80.0730.0207.93
4.4.70.0570.0137.93
4.4.60.0400.0137.93
4.4.50.0630.0177.93
4.4.40.0600.0237.93
4.4.30.0600.0177.93
4.4.20.0230.0207.93
4.4.10.0530.0177.93
4.4.00.0630.0277.93
4.3.110.0570.0137.93
4.3.100.0600.0207.93
4.3.90.0570.0137.93
4.3.80.0630.0307.93
4.3.70.0700.0207.93
4.3.60.0670.0207.93
4.3.50.0570.0137.93
4.3.40.0730.0337.93
4.3.30.0330.0237.93
4.3.20.0430.0277.93
4.3.10.0200.0207.93
4.3.00.0300.0237.93

preferences:
45.28 ms | 401 KiB | 5 Q