3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = ["prefix" => "a", "children" => ["prefix" => "b", "children" => ["prefix" => "c", "children" => []]]]; function getPrefix($v, $k) { global $ps; if ($k == "prefix") $ps[] = $v; } array_walk_recursive($arr, 'getPrefix'); print_r($ps); echo implode("/", $ps);

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)
8.4.130.0060.00417.75
8.4.120.0120.00720.40
8.4.110.0060.00318.78
8.4.100.0110.00918.90
8.4.90.0040.00520.52
8.4.80.0040.00420.73
8.4.70.0060.00217.91
8.4.60.0100.01118.46
8.4.50.0060.00319.63
8.4.40.0070.00317.65
8.4.30.0160.00324.02
8.4.20.0100.01020.62
8.4.10.0060.00319.72
8.3.260.0120.00716.87
8.3.250.0080.01018.82
8.3.240.0100.00916.82
8.3.230.0130.00616.53
8.3.220.0090.00918.98
8.3.210.0060.00216.72
8.3.200.0060.00316.79
8.3.190.0080.00017.18
8.3.180.0120.00616.38
8.3.170.0060.00317.23
8.3.160.0170.00018.08
8.3.150.0150.00420.83
8.3.140.0080.00016.63
8.3.130.0040.00416.64
8.3.120.0110.00018.88
8.3.110.0000.00920.94
8.3.100.0030.00624.06
8.3.90.0080.00026.77
8.3.80.0050.00318.18
8.3.70.0040.01518.43
8.3.60.0100.00718.30
8.3.50.0100.00517.37
8.3.40.0040.01118.71
8.3.30.0040.01118.68
8.3.20.0080.00020.91
8.3.10.0080.00021.91
8.3.00.0040.00423.65
8.2.290.0070.01020.52
8.2.280.0060.00218.61
8.2.270.0130.00317.29
8.2.260.0030.00520.02
8.2.250.0000.00918.46
8.2.240.0080.00018.87
8.2.230.0040.00422.58
8.2.220.0060.00337.54
8.2.210.0050.00326.77
8.2.200.0060.00318.29
8.2.190.0120.00318.16
8.2.180.0110.01116.50
8.2.170.0140.00022.96
8.2.160.0070.01121.02
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0000.00726.16
8.2.120.0030.01519.77
8.2.110.0060.00321.98
8.2.100.0090.00317.72
8.2.90.0080.00017.50
8.2.80.0040.00418.72
8.2.70.0000.00817.75
8.2.60.0040.00418.05
8.2.50.0000.00918.07
8.2.40.0030.00618.27
8.2.30.0090.00018.11
8.2.20.0070.00018.19
8.2.10.0040.00419.25
8.2.00.0040.00419.17
8.1.330.0100.00821.93
8.1.320.0080.00715.71
8.1.310.0110.00716.79
8.1.300.0030.00720.34
8.1.290.0050.00518.88
8.1.280.0120.00325.92
8.1.270.0000.00821.96
8.1.260.0080.00026.35
8.1.250.0000.00828.09
8.1.240.0000.00819.05
8.1.230.0080.00417.95
8.1.220.0080.00017.79
8.1.210.0060.00318.77
8.1.200.0050.00517.23
8.1.190.0000.00817.35
8.1.180.0080.00018.10
8.1.170.0000.00818.65
8.1.160.0000.00718.84
8.1.150.0040.00418.86
8.1.140.0040.00418.75
8.1.130.0000.00820.16
8.1.120.0040.00417.38
8.1.110.0040.00417.43
8.1.100.0000.00817.33
8.1.90.0040.00417.47
8.1.80.0030.00417.48
8.1.70.0000.00717.32
8.1.60.0050.00317.46
8.1.50.0080.00017.49
8.1.40.0000.00817.46
8.1.30.0030.00517.60
8.1.20.0000.00817.53
8.1.10.0010.00717.40
8.1.00.0030.00617.39
8.0.300.0080.00018.77
8.0.290.0040.00416.75
8.0.280.0000.00718.39
8.0.270.0000.00716.86
8.0.260.0030.00318.43
8.0.250.0000.00716.98
8.0.240.0050.00316.84
8.0.230.0060.00016.94
8.0.220.0040.00416.83
8.0.210.0040.00416.82
8.0.200.0070.00016.85
8.0.190.0030.00516.92
8.0.180.0070.00016.86
8.0.170.0030.00516.81
8.0.160.0040.00416.75
8.0.150.0000.00716.84
8.0.140.0040.00416.79
8.0.130.0030.00313.21
8.0.120.0030.00616.79
8.0.110.0040.00416.82
8.0.100.0000.00816.79
8.0.90.0030.00416.70
8.0.80.0030.01616.81
8.0.70.0000.00716.70
8.0.60.0070.00016.75
8.0.50.0040.00416.75
8.0.30.0130.00517.25
8.0.20.0150.00317.05
8.0.10.0050.00216.80
8.0.00.0080.01016.94
7.4.330.0050.00015.55
7.4.320.0030.00316.49
7.4.300.0000.00616.50
7.4.290.0000.00716.59
7.4.280.0090.00016.59
7.4.270.0040.00416.41
7.4.260.0000.00716.60
7.4.250.0000.00716.46
7.4.240.0030.00316.56
7.4.230.0040.00416.64
7.4.220.0040.00416.63
7.4.210.0110.00616.58
7.4.200.0080.00016.65
7.4.130.0120.00416.55
7.4.120.0130.01016.56
7.4.110.0070.01016.54
7.4.100.0100.00716.46
7.4.90.0100.00716.48
7.4.80.0170.00319.39
7.4.70.0040.01316.51
7.4.60.0060.00916.64
7.4.50.0130.00016.34
7.4.40.0070.01016.50
7.4.10.0120.00614.71
7.4.00.0090.00715.05
7.3.330.0000.00613.11
7.3.320.0050.00013.19
7.3.310.0100.00016.27
7.3.300.0030.00316.10
7.3.290.0060.00016.22
7.3.280.0060.01016.18
7.3.260.0100.01016.40
7.3.240.0120.00816.22
7.3.230.0060.01116.22
7.3.210.0070.01116.09
7.3.200.0140.00616.43
7.3.190.0180.00016.42
7.3.180.0120.00316.19
7.3.170.0060.01116.21
7.3.160.0080.00816.30
7.3.130.0070.01014.39
7.3.120.0000.01814.75
7.3.110.0130.00614.52
7.3.100.0040.01114.54
7.3.90.0130.00314.72
7.3.80.0040.00414.64
7.3.70.0070.00714.51
7.3.60.0030.00914.59
7.3.50.0110.00814.70
7.3.40.0030.00614.55
7.3.30.0050.00614.64
7.3.20.0070.00716.49
7.3.10.0040.00916.69
7.3.00.0100.00816.65
7.2.330.0070.01116.64
7.2.320.0160.00716.46
7.2.310.0030.01316.58
7.2.300.0060.01016.79
7.2.290.0140.00416.77
7.2.260.0130.00714.99
7.2.250.0060.00615.07
7.2.240.0100.00315.02
7.2.230.0120.00314.68
7.2.220.0080.00314.88
7.2.210.0040.00714.81
7.2.200.0000.01314.68
7.2.190.0070.00614.98
7.2.180.0060.00615.02
7.2.170.0030.00814.95
7.2.160.0110.00514.90
7.2.150.0130.00916.70
7.2.140.0050.00916.74
7.2.130.0050.00616.81
7.2.120.0050.01016.75
7.2.110.0050.01016.93
7.2.100.0080.00716.78
7.2.90.0080.00716.86
7.2.80.0050.01116.76
7.2.70.0050.01116.96
7.2.60.0060.01016.92
7.2.50.0110.00516.99
7.2.40.0100.00816.87
7.2.30.0100.00416.91
7.2.20.0050.00716.81
7.2.10.0080.00816.87
7.2.00.0070.00816.90
7.1.330.0040.01115.79
7.1.320.0070.01015.70
7.1.310.0030.00915.87
7.1.300.0050.00615.72
7.1.290.0040.00615.75
7.1.280.0030.00915.46
7.1.270.0050.00715.65
7.1.260.0070.01015.72
7.1.250.0070.00915.71
7.1.240.0070.01015.80
7.1.230.0070.00715.88
7.1.220.0100.00715.89
7.1.210.0030.01515.75
7.1.200.0040.01115.70
7.1.190.0070.00715.52
7.1.180.0000.01515.70
7.1.170.0100.00315.91
7.1.160.0060.00615.88
7.1.150.0040.00415.75
7.1.140.0040.00715.90
7.1.130.0080.00415.48
7.1.120.0000.01515.75
7.1.110.0040.00715.51
7.1.100.0000.00815.80
7.1.90.0060.00615.85
7.1.80.0130.00015.86
7.1.70.0000.01115.96
7.1.60.0060.00315.79
7.1.50.0100.00315.85
7.1.40.0050.00915.78
7.1.30.0000.01015.82
7.1.20.0120.00015.39
7.1.10.0080.00415.46
7.1.00.0030.01015.54

preferences:
136.04 ms | 403 KiB | 5 Q