3v4l.org

run code in 300+ PHP versions simultaneously
<?php $obj = json_decode('{ "Group1": { "Blue": { "Round": [ "Harold", "Arthur", "Tom" ] }, "Green": { "Round": [ "Harold" ], "Circle": [ "Todd", "Mike" ] } }, "Group2": { "Blue": { "Round": [ "Peter" ] } } }', true); function traverse_array($array,$key="",$prev="",&$final_op=array()) { if(is_array($array)) { $prev .= $key." - "; foreach ($array as $key => $value) { traverse_array($value,$key,$prev,$final_op); } } else { $prev =trim($prev," - "); $final_op[$prev][]=$array; } return $final_op; } $data = traverse_array($obj); foreach ($data as $key => $value) { echo $key." (".implode(",", $value).")"; echo PHP_EOL; }

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)
8.3.80.0030.00617.97
8.3.70.0070.00718.43
8.3.60.0070.01318.50
8.3.50.0100.00318.27
8.3.40.0070.01118.67
8.3.30.0140.00018.68
8.3.20.0000.00720.21
8.3.10.0090.00018.76
8.3.00.0060.00323.48
8.2.200.0060.00316.63
8.2.190.0090.00916.63
8.2.180.0070.00718.24
8.2.170.0040.01122.96
8.2.160.0100.00320.40
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00420.43
8.2.120.0000.00826.35
8.2.110.0070.00322.10
8.2.100.0060.00617.72
8.2.90.0000.00817.88
8.2.80.0030.00618.79
8.2.70.0040.00417.63
8.2.60.0040.00417.93
8.2.50.0050.00318.07
8.2.40.0080.00018.16
8.2.30.0060.00318.12
8.2.20.0000.00818.11
8.2.10.0040.00418.18
8.2.00.0000.00718.11
8.1.290.0030.00730.84
8.1.280.0090.00625.92
8.1.270.0050.00322.05
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0070.00319.05
8.1.230.0000.01117.83
8.1.220.0040.00417.79
8.1.210.0040.00418.77
8.1.200.0030.00617.35
8.1.190.0040.00417.10
8.1.180.0000.00918.10
8.1.170.0000.00818.65
8.1.160.0000.00818.76
8.1.150.0000.00720.26
8.1.140.0000.00719.11
8.1.130.0050.00218.82
8.1.120.0000.00717.33
8.1.110.0110.00017.48
8.1.100.0050.00217.35
8.1.90.0080.00017.36
8.1.80.0030.00817.35
8.1.70.0060.00317.34
8.1.60.0090.00017.63
8.1.50.0080.00017.49
8.1.40.0030.00517.50
8.1.30.0090.00417.52
8.1.20.0120.00317.53
8.1.10.0080.00817.41
8.1.00.0100.00417.42
8.0.300.0080.00018.77
8.0.290.0050.00316.63
8.0.280.0000.00718.33
8.0.270.0000.00717.30
8.0.260.0050.00318.36
8.0.250.0000.00716.85
8.0.240.0000.00716.97
8.0.230.0030.00516.97
8.0.220.0040.00416.88
8.0.210.0040.00416.88
8.0.200.0030.00316.89
8.0.190.0000.00816.94
8.0.180.0000.00716.90
8.0.170.0040.00416.98
8.0.160.0000.00916.76
8.0.150.0060.00816.79
8.0.140.0100.00416.81
8.0.130.0030.00814.95
8.0.120.0090.00416.87
8.0.110.0080.00416.74
8.0.100.0070.00516.75
8.0.90.0070.00516.85
8.0.80.0110.00716.87
8.0.70.0060.00716.73
8.0.60.0110.00216.87
8.0.50.0070.00616.80
8.0.30.0120.00817.07
8.0.20.0130.00917.31
8.0.10.0090.00416.89
8.0.00.0070.00716.94
7.4.330.0030.00316.84
7.4.320.0030.00316.50
7.4.300.0060.00016.55
7.4.290.0030.00316.46
7.4.280.0100.00316.53
7.4.270.0100.00616.58
7.4.260.0070.00616.52
7.4.250.0100.00516.54
7.4.240.0110.00516.58
7.4.230.0120.00316.58
7.4.220.0110.00616.49
7.4.210.0120.00616.43
7.4.200.0070.00616.43
7.4.190.0160.00316.61
7.4.180.0160.00316.54
7.4.160.0110.00716.54
7.4.150.0110.00816.93
7.4.140.0110.00917.57
7.4.130.0080.00916.44
7.4.120.0110.00916.54
7.4.110.0050.01116.41
7.4.100.0060.00916.58
7.4.90.0050.00816.58
7.4.80.0120.00617.88
7.4.70.0120.00616.45
7.4.60.0080.00916.40
7.4.50.0060.01016.25
7.4.40.0130.00616.51
7.4.30.0130.00716.57
7.4.20.0130.00316.40
7.4.10.0070.00915.33
7.4.00.0070.01115.19
7.3.330.0100.00214.86
7.3.320.0060.00614.81
7.3.310.0070.00616.25
7.3.300.0110.00216.30
7.3.290.0090.00916.33
7.3.280.0080.00916.42
7.3.270.0140.00416.89
7.3.260.0120.00416.38
7.3.250.0100.00916.38
7.3.240.0130.00716.49
7.3.230.0100.01016.29
7.3.220.0180.00016.24
7.3.210.0080.00916.27
7.3.200.0130.00516.23
7.3.190.0170.00316.44
7.3.180.0150.00516.41
7.3.170.0160.00116.38
7.3.160.0120.00516.29
7.3.150.0150.00316.24
7.3.140.0150.00416.23
7.3.130.0080.00815.22
7.3.120.0070.01115.34
7.3.110.0100.00715.18
7.3.100.0080.00515.17
7.3.90.0080.00715.25
7.3.80.0050.00815.13
7.3.70.0080.00615.04
7.3.60.0060.00615.11
7.3.50.0100.00415.29
7.3.40.0060.00815.24
7.3.30.0070.00615.26
7.3.20.0100.00516.62
7.3.10.0070.00616.49
7.3.00.0100.00416.49
7.2.340.0080.00316.24
7.2.330.0140.00416.52
7.2.320.0120.00816.62
7.2.310.0140.00316.63
7.2.300.0130.00516.67
7.2.290.0070.01016.49
7.2.280.0150.00416.23
7.2.270.0150.00316.29
7.2.260.0040.01315.45
7.2.250.0090.01015.42
7.2.240.0080.00815.50
7.2.230.0080.00715.36
7.2.220.0070.00815.52
7.2.210.0060.00915.38
7.2.200.0060.00915.47
7.2.190.0050.00815.54
7.2.180.0090.00615.31
7.2.170.0060.00815.49
7.2.160.0070.00715.44
7.2.150.0070.00916.83
7.2.140.0100.00516.85
7.2.130.0100.00516.82
7.2.120.0100.00616.87
7.2.110.0100.00716.78
7.2.100.0090.00616.82
7.2.90.0090.00516.89
7.2.80.0060.01116.77
7.2.70.0070.00816.95
7.2.60.0080.00816.77
7.2.50.0080.00716.84
7.2.40.0130.00416.84
7.2.30.0080.00816.88
7.2.20.0120.00416.86
7.2.10.0090.00516.88
7.2.00.0080.00717.38
7.1.330.0080.00815.74
7.1.320.0090.00315.55
7.1.310.0060.00915.74
7.1.300.0100.00515.77
7.1.290.0090.00515.81
7.1.280.0080.00615.72
7.1.270.0060.00715.66
7.1.260.0070.00915.80
7.1.250.0080.00915.70
7.1.240.0050.00915.59
7.1.230.0070.00615.83
7.1.220.0070.00615.75
7.1.210.0070.00715.72
7.1.200.0090.00615.77
7.1.190.0060.01015.69
7.1.180.0070.00715.82
7.1.170.0060.00915.68
7.1.160.0120.00515.70
7.1.150.0090.00715.72
7.1.140.0050.00915.79
7.1.130.0050.01015.75
7.1.120.0060.01016.33
7.1.110.0100.00716.16
7.1.100.0060.00716.12
7.1.90.0070.00716.32
7.1.80.0070.00916.27
7.1.70.0090.00715.96
7.1.60.0110.00619.63
7.1.50.0120.00619.56
7.1.40.0120.00819.47
7.1.30.0080.00919.48
7.1.20.0090.00619.40
7.1.10.0070.00715.95
7.1.00.0070.00815.96
7.0.330.0060.00815.34
7.0.320.0080.00515.31
7.0.310.0040.01015.42
7.0.300.0050.00615.30
7.0.290.0060.00915.33
7.0.280.0140.00515.36
7.0.270.0060.00715.36
7.0.260.0080.00615.37
7.0.250.0080.00715.52
7.0.240.0090.00515.38
7.0.230.0070.00615.34
7.0.220.0080.00715.44
7.0.210.0060.00915.41
7.0.200.0100.00615.30
7.0.190.0070.00815.36
7.0.180.0080.00715.35
7.0.170.0080.00615.30
7.0.160.0080.00615.28
7.0.150.0060.00915.33
7.0.140.0080.00515.47
7.0.130.0070.00715.46
7.0.120.0080.00515.35
7.0.110.0060.00915.40
7.0.100.0080.00715.43
7.0.90.0060.00715.36
7.0.80.0070.00615.43
7.0.70.0070.00615.40
7.0.60.0090.00815.30
7.0.50.0100.00615.30
7.0.40.0070.00513.89
7.0.30.0080.00513.91
7.0.20.0070.00813.88
7.0.10.0110.00413.94
7.0.00.0090.00513.88
5.6.400.0100.00514.95
5.6.390.0070.00614.78
5.6.380.0100.00414.86
5.6.370.0080.00414.80
5.6.360.0090.00614.84
5.6.350.0100.00714.85
5.6.340.0110.00414.75
5.6.330.0090.00514.83
5.6.320.0070.00714.76
5.6.310.0100.00514.91
5.6.300.0110.00414.81
5.6.290.0080.00714.93
5.6.280.0080.00814.82
5.6.270.0090.00614.80
5.6.260.0060.00914.82
5.6.250.0080.00814.73
5.6.240.0080.00614.86
5.6.230.0090.00414.83
5.6.220.0070.00714.86
5.6.210.0070.00814.71
5.6.200.0080.00514.77
5.6.190.0100.00414.87
5.6.180.0050.00814.84
5.6.170.0070.00914.81
5.6.160.0040.01014.86
5.6.150.0080.00615.05
5.6.140.0070.00814.93
5.6.130.0080.00414.91
5.6.120.0080.00614.75
5.6.110.0090.00414.86
5.6.100.0080.00514.78
5.6.90.0050.01114.88
5.6.80.0090.00514.89
5.6.70.0090.00414.83
5.6.60.0080.00714.66
5.6.50.0060.01014.75
5.6.40.0060.00714.75
5.6.30.0070.00814.70
5.6.20.0080.00614.80
5.6.10.0080.00614.61
5.6.00.0070.00714.70

preferences:
61.7 ms | 401 KiB | 5 Q