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; print $result; foreach($keys as $k) { if(!$result) return $name; $result = $result[$k]; } $args = func_get_args(); foreach($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)
8.3.40.0160.00618.65
8.3.30.0080.00619.19
8.3.20.0120.00320.25
8.3.10.0040.00423.54
8.3.00.0030.00520.83
8.2.170.0040.01122.96
8.2.160.0140.00320.52
8.2.150.0090.00624.18
8.2.140.0000.00824.66
8.2.130.0070.00026.16
8.2.120.0030.00520.85
8.2.110.0090.00022.13
8.2.100.0110.00018.03
8.2.90.0000.00819.21
8.2.80.0000.00817.97
8.2.70.0000.00917.75
8.2.60.0050.00518.05
8.2.50.0000.00818.07
8.2.40.0000.00918.28
8.2.30.0000.00718.38
8.2.20.0040.00417.80
8.2.10.0040.00418.18
8.2.00.0040.00417.70
8.1.270.0080.00021.96
8.1.260.0040.00426.35
8.1.250.0000.00828.09
8.1.240.0030.00723.84
8.1.230.0040.00819.16
8.1.220.0050.00317.74
8.1.210.0000.00918.77
8.1.200.0000.00917.23
8.1.190.0050.00317.23
8.1.180.0050.00318.10
8.1.170.0080.00018.53
8.1.160.0000.00822.02
8.1.150.0050.00218.64
8.1.140.0070.00017.38
8.1.130.0070.00017.88
8.1.120.0040.00417.50
8.1.110.0030.00617.54
8.1.100.0030.00317.52
8.1.90.0040.00417.49
8.1.80.0070.00017.47
8.1.70.0000.00717.43
8.1.60.0050.00217.61
8.1.50.0000.00817.55
8.1.40.0020.00517.57
8.1.30.0060.00317.70
8.1.20.0060.00317.67
8.1.10.0000.00717.64
8.1.00.0040.00717.53
8.0.300.0040.00418.77
8.0.290.0030.00616.75
8.0.280.0030.00318.37
8.0.270.0030.00316.91
8.0.260.0060.00017.27
8.0.250.0070.00017.01
8.0.240.0040.00417.11
8.0.230.0030.00316.91
8.0.220.0020.00516.88
8.0.210.0080.00017.00
8.0.200.0000.00617.00
8.0.190.0040.00416.95
8.0.180.0070.00017.02
8.0.170.0000.00816.95
8.0.160.0000.00816.86
8.0.150.0000.00716.79
8.0.140.0000.00716.93
8.0.130.0080.00013.36
8.0.120.0000.00816.84
8.0.110.0000.00816.87
8.0.100.0070.00016.87
8.0.90.0030.00316.92
8.0.80.0160.00316.92
8.0.70.0080.00016.79
8.0.60.0030.00316.75
8.0.50.0040.00416.96
8.0.30.0100.00817.12
8.0.20.0120.00717.40
8.0.10.0000.00817.16
8.0.00.0100.00816.85
7.4.330.0050.00015.20
7.4.320.0060.00016.51
7.4.300.0000.00616.66
7.4.290.0070.00016.64
7.4.280.0030.00616.54
7.4.270.0000.00716.45
7.4.260.0000.00716.63
7.4.250.0030.00316.54
7.4.240.0030.00416.65
7.4.230.0070.00016.44
7.4.220.0060.01216.59
7.4.210.0030.01216.64
7.4.200.0000.00716.60
7.4.160.0050.01116.71
7.4.150.0150.00617.40
7.4.140.0080.01417.86
7.4.130.0100.00716.65
7.4.120.0090.01016.58
7.4.110.0070.01016.71
7.4.100.0090.00916.59
7.4.90.0060.01016.65
7.4.80.0030.01519.39
7.4.70.0130.01016.68
7.4.60.0120.00616.52
7.4.50.0000.00816.38
7.4.40.0080.00816.59
7.4.30.0080.00816.59
7.4.00.0110.00315.10
7.3.330.0050.00013.43
7.3.320.0020.00213.29
7.3.310.0070.00016.48
7.3.300.0050.00316.46
7.3.290.0140.00816.39
7.3.280.0070.01116.47
7.3.270.0160.00617.40
7.3.260.0100.01316.33
7.3.250.0090.00816.46
7.3.240.0090.00916.40
7.3.230.0110.01416.39
7.3.210.0060.01116.48
7.3.200.0080.00819.39
7.3.190.0140.00716.59
7.3.180.0060.01016.50
7.3.170.0150.00616.57
7.3.160.0210.00316.66
7.3.120.0090.00614.80
7.3.10.0110.00416.74
7.3.00.0120.00016.51
7.2.330.0120.00616.57
7.2.320.0160.00616.89
7.2.310.0100.00716.87
7.2.300.0040.01316.70
7.2.290.0100.01316.86
7.2.130.0070.00716.95
7.2.120.0050.00517.03
7.2.110.0000.01017.05
7.2.100.0040.01117.02
7.2.90.0040.00816.94
7.2.80.0060.00916.84
7.2.70.0060.00617.05
7.2.60.0000.01517.16
7.2.50.0100.00317.02
7.2.40.0070.01016.82
7.2.30.0070.00716.71
7.2.20.0060.00617.09
7.2.10.0060.01217.14
7.2.00.0050.00918.16
7.1.250.0070.00715.84
7.1.100.0030.00918.41
7.1.70.0040.00417.10
7.1.60.0170.00719.70
7.1.50.0110.01116.77
7.1.00.0000.08022.47
7.0.200.0000.00816.49
7.0.140.0000.07721.91
7.0.100.0070.07319.89
7.0.90.0100.05719.94
7.0.80.0100.07319.93
7.0.70.0100.07720.04
7.0.60.0030.09020.08
7.0.50.0030.08320.34
7.0.40.0030.06320.14
7.0.30.0070.08020.13
7.0.20.0070.08020.09
7.0.10.0070.08020.17
7.0.00.0100.04720.05
5.6.280.0000.07721.02
5.6.250.0200.04020.60
5.6.240.0100.08020.53
5.6.230.0070.08020.69
5.6.220.0170.07020.66
5.6.210.0070.08320.64
5.6.200.0000.08721.11
5.6.190.0100.07321.05
5.6.180.0070.07021.14
5.6.170.0070.08321.12
5.6.160.0030.09320.89
5.6.150.0030.08321.08
5.6.140.0070.08320.96
5.6.130.0100.08321.18
5.6.120.0000.06020.95
5.6.110.0030.04321.11
5.6.100.0070.04021.11
5.6.90.0030.04721.04
5.6.80.0030.04020.43
5.6.70.0130.03020.32
5.6.60.0070.03320.42
5.6.50.0100.05320.41
5.6.40.0100.05020.52
5.6.30.0030.04320.50
5.6.20.0100.04720.44
5.6.10.0070.06720.36
5.6.00.0070.05020.29
5.5.380.0100.07320.45
5.5.370.0070.07720.43
5.5.360.0100.05020.34
5.5.350.0070.08020.47
5.5.340.0030.05320.81
5.5.330.0100.08320.74
5.5.320.0000.08020.89
5.5.310.0170.07020.87
5.5.300.0100.08320.80
5.5.290.0070.07020.88
5.5.280.0070.04320.92
5.5.270.0100.04720.92
5.5.260.0070.04020.81
5.5.250.0000.04320.73
5.5.240.0070.03720.25
5.5.230.0030.04020.32
5.5.220.0030.04020.30
5.5.210.0030.04320.12
5.5.200.0130.04320.16
5.5.190.0100.03320.28
5.5.180.0030.04020.12
5.5.160.0070.05720.28
5.5.150.0000.04020.29
5.5.140.0100.03020.22
5.5.130.0070.04320.09
5.5.120.0030.04020.27
5.5.110.0000.04720.13
5.5.100.0070.03720.09
5.5.90.0070.03720.08
5.5.80.0070.03320.08
5.5.70.0100.03720.15
5.5.60.0000.04020.16
5.5.50.0100.04020.14
5.5.40.0030.03720.11
5.5.30.0000.04020.06
5.5.20.0000.04319.93
5.5.10.0100.03720.06
5.5.00.0030.04720.03
5.4.450.0070.04019.49
5.4.440.0030.07019.53
5.4.430.0100.03319.28
5.4.420.0030.07019.37
5.4.410.0030.04019.05
5.4.400.0130.03318.95
5.4.390.0000.05019.03
5.4.380.0030.03719.15
5.4.370.0000.04318.88
5.4.360.0100.03018.95
5.4.350.0100.03719.20
5.4.340.0000.06318.86
5.4.320.0100.04319.09
5.4.310.0100.03319.09
5.4.300.0130.05718.90
5.4.290.0030.04319.15
5.4.280.0100.03019.09
5.4.270.0030.03719.21
5.4.260.0100.03018.85
5.4.250.0070.03319.02
5.4.240.0000.04319.04
5.4.230.0000.04018.84
5.4.220.0030.05019.23
5.4.210.0000.04019.14
5.4.200.0030.03718.89
5.4.190.0030.03719.22
5.4.180.0030.03718.89
5.4.170.0000.04719.14
5.4.160.0000.04719.12
5.4.150.0070.04318.83
5.4.140.0030.03316.41
5.4.130.0100.03316.45
5.4.120.0030.03316.40
5.4.110.0070.07316.51
5.4.100.0130.08316.39
5.4.90.0070.06316.41
5.4.80.0070.03016.48
5.4.70.0070.05716.34
5.4.60.0100.07316.36
5.4.50.0030.07316.48
5.4.40.0070.05716.54
5.4.30.0070.06016.31
5.4.20.0070.03716.46
5.4.10.0030.03716.45
5.4.00.0100.07015.86
5.3.290.0030.03714.62
5.3.280.0000.04314.72
5.3.270.0070.03714.72
5.3.260.0070.03714.67
5.3.250.0030.03714.64
5.3.240.0000.05314.64
5.3.230.0030.04714.55
5.3.220.0070.06014.55
5.3.210.0030.06714.68
5.3.200.0070.03314.58
5.3.190.0100.05714.68
5.3.180.0000.07314.63
5.3.170.0070.07314.69
5.3.160.0070.06014.60
5.3.150.0000.07014.50
5.3.140.0100.07014.61
5.3.130.0070.03314.54
5.3.120.0000.07714.59
5.3.110.0030.05714.53
5.3.100.0000.08714.13
5.3.90.0070.06314.16
5.3.80.0100.07314.11
5.3.70.0100.05314.13
5.3.60.0070.07013.89
5.3.50.0030.06713.93
5.3.40.0130.06313.98
5.3.30.0100.07013.97
5.3.20.0030.07313.80
5.3.10.0030.07013.59
5.3.00.0030.04013.54
5.2.170.0000.03011.20
5.2.160.0070.03711.17
5.2.150.0000.03311.18
5.2.140.0030.06011.25
5.2.130.0100.05311.19
5.2.120.0030.05711.13
5.2.110.0130.05011.03
5.2.100.0130.01711.20
5.2.90.0070.05711.16
5.2.80.0070.06310.95
5.2.70.0000.06011.03
5.2.60.0030.05311.03
5.2.50.0070.06010.90
5.2.40.0070.06011.05
5.2.30.0030.04311.00
5.2.20.0100.04710.96
5.2.10.0030.06710.97
5.2.00.0030.06310.86
5.1.60.0070.04710.07
5.1.50.0070.0539.98
5.1.40.0030.0509.97
5.1.30.0030.05710.36
5.1.20.0030.05310.29
5.1.10.0000.05710.16
5.1.00.0170.04710.07
5.0.50.0070.0278.43
5.0.40.0000.0438.41
5.0.30.0030.0608.30
5.0.20.0030.0238.28
5.0.10.0100.0278.25
5.0.00.0070.0608.21
4.4.90.0070.0307.99
4.4.80.0000.0207.99
4.4.70.0030.0307.99
4.4.60.0000.0407.99
4.4.50.0000.0377.99
4.4.40.0000.0537.99
4.4.30.0030.0337.99
4.4.20.0070.0277.99
4.4.10.0030.0377.99
4.4.00.0070.0507.99
4.3.110.0070.0307.99
4.3.100.0000.0237.99
4.3.90.0000.0337.99
4.3.80.0070.0507.99
4.3.70.0000.0337.99
4.3.60.0030.0337.99
4.3.50.0000.0307.99
4.3.40.0000.0477.99
4.3.30.0000.0277.99
4.3.20.0000.0207.99
4.3.10.0100.0277.99
4.3.00.0030.0337.99

preferences:
45.7 ms | 400 KiB | 5 Q