3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = Array ( "0" => Array ( "2" => 123 ), "1" => Array ( "4" => 45 ), "2" => Array ( "3" => 12 ), "3" => Array ( "5" => 2 ), "4" => Array ( "2" => 12 ), "5" => Array ( "4" => 21 ), "6" => Array ( "2" => 12 ), "7" => Array ( "3" => 21 ), "8" => Array ( "2" => 12 ), "9" => Array ( "3" => 21 ), "10" => Array ( "2" => 2 ), "11" => Array ( "4" => 2 ), "12" => Array ( "2" => 2 ), "13" => Array ( "4" => 2 ), "14" => Array ( "3" => 12 ), "15" => Array ( "4" => 12 ), "16" => Array ( "2" => 12 ), "17" => Array ( "2" => 12 ), "18" => Array ( "4" => 12 ), "19" => Array ( "3" => 12 ), "20" => Array ( "2" => 15 ), "21" => Array ( "4" => 21 ), ); // find all subarray keys (2,3,4,5) foreach($arr as $subarr){ $keys[] = key($subarr); } // remove duplicate keys $keys = array_unique($keys); // sum values with same key from $arr and save to $sums foreach($keys as $key){ $sums[$key] = array_sum(array_column($arr,$key)); } var_dump($sums);

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)
8.4.140.0150.00617.68
8.4.130.0120.00818.68
8.4.120.0050.00424.02
8.4.110.0110.00918.75
8.4.100.0120.00718.68
8.4.90.0060.00420.44
8.4.80.0090.01018.70
8.4.70.0050.00318.72
8.4.60.0060.01518.78
8.4.50.0070.00219.51
8.4.40.0090.00617.59
8.4.30.0060.00317.52
8.4.20.0170.00319.06
8.4.10.0060.00317.64
8.3.270.0120.01116.53
8.3.260.0050.00316.68
8.3.250.0030.00518.93
8.3.240.0110.00817.11
8.3.230.0040.00516.60
8.3.220.0050.00318.99
8.3.210.0120.00816.52
8.3.200.0040.00416.59
8.3.190.0120.00617.21
8.3.180.0130.00516.87
8.3.170.0090.00919.03
8.3.160.0040.01518.27
8.3.150.0070.01116.60
8.3.140.0040.00420.71
8.3.130.0070.00718.28
8.3.120.0000.01119.18
8.3.110.0050.00520.94
8.3.100.0030.00616.78
8.3.90.0080.00016.50
8.3.80.0060.00318.30
8.3.70.0100.00616.50
8.3.60.0130.01018.30
8.3.50.0080.00517.37
8.3.40.0060.00918.72
8.3.30.0090.00618.70
8.3.20.0040.00421.76
8.3.10.0000.00823.34
8.3.00.0000.00821.95
8.2.290.0090.00922.09
8.2.280.0080.01118.48
8.2.270.0110.00717.27
8.2.260.0040.00417.08
8.2.250.0110.00316.38
8.2.240.0040.00418.93
8.2.230.0080.00022.58
8.2.220.0040.00424.06
8.2.210.0040.00426.77
8.2.200.0040.00716.75
8.2.190.0160.00316.58
8.2.180.0100.01016.38
8.2.170.0070.00722.96
8.2.160.0100.00322.21
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0050.00320.47
8.2.120.0100.00326.35
8.2.110.0030.00620.57
8.2.100.0080.00318.16
8.2.90.0040.00418.34
8.2.80.0060.00317.97
8.2.70.0080.00017.92
8.2.60.0030.00618.09
8.2.50.0040.00418.10
8.2.40.0040.00420.46
8.2.30.0040.00419.24
8.2.20.0030.00718.11
8.2.10.0000.00718.12
8.2.00.0070.00018.02
8.1.330.0110.00821.91
8.1.320.0130.00616.11
8.1.310.0070.01016.76
8.1.300.0120.00017.66
8.1.290.0000.00918.88
8.1.280.0060.01325.92
8.1.270.0080.00022.24
8.1.260.0000.00726.35
8.1.250.0040.00428.09
8.1.240.0100.00020.76
8.1.230.0110.00020.97
8.1.220.0000.00817.74
8.1.210.0070.00418.77
8.1.200.0030.00617.35
8.1.190.0000.00817.25
8.1.180.0040.00418.10
8.1.170.0040.00418.39
8.1.160.0000.00818.86
8.1.150.0020.00518.88
8.1.140.0040.00419.11
8.1.130.0040.00417.87
8.1.120.0000.00717.34
8.1.110.0040.00417.48
8.1.100.0000.00717.47
8.1.90.0030.00517.36
8.1.80.0000.00817.36
8.1.70.0110.00117.41
8.1.60.0100.00517.51
8.1.50.0080.00517.45
8.1.40.0100.00317.41
8.1.30.0100.00417.57
8.1.20.0090.00817.60
8.1.10.0100.00417.41
8.1.00.0030.00717.38
8.0.300.0000.00819.60
8.0.290.0070.00416.63
8.0.280.0030.00318.35
8.0.270.0070.00016.81
8.0.260.0000.00616.72
8.0.250.0000.00816.95
8.0.240.0030.00316.93
8.0.230.0000.00716.82
8.0.220.0000.00816.88
8.0.210.0000.00716.94
8.0.200.0070.00416.96
8.0.190.0070.00416.93
8.0.180.0070.00616.80
8.0.170.0070.00416.82
8.0.160.0080.00516.81
8.0.150.0070.00716.76
8.0.140.0040.00716.78
8.0.130.0050.00715.91
8.0.120.0070.00616.84
8.0.110.0050.00616.82
8.0.100.0090.00316.81
8.0.90.0040.00716.76
8.0.80.0110.00616.84
8.0.70.0090.00716.77
8.0.60.0070.00716.81
8.0.50.0150.00216.80
8.0.30.0100.00616.86
8.0.20.0100.00817.16
8.0.10.0110.00616.94
8.0.00.0090.00716.90
7.4.330.0000.00515.55
7.4.320.0030.00316.60
7.4.300.0050.00316.59
7.4.290.0070.00416.47
7.4.280.0120.00116.52
7.4.270.0050.00516.52
7.4.260.0030.00716.48
7.4.250.0090.00116.53
7.4.240.0070.00416.46
7.4.230.0070.00416.37
7.4.220.0090.00316.41
7.4.210.0100.00416.47
7.4.200.0110.00516.50
7.4.190.0090.00616.51
7.4.180.0110.00516.64
7.4.160.0070.00916.47
7.4.150.0090.00616.59
7.4.140.0100.00717.12
7.4.130.0080.00716.44
7.4.120.0110.00716.43
7.4.110.0110.00516.42
7.4.100.0100.00716.53
7.4.90.0100.00616.45
7.4.80.0120.00416.95
7.4.70.0110.00516.43
7.4.60.0070.00916.37
7.4.50.0100.00516.39
7.4.40.0080.00816.38
7.4.30.0090.00616.36
7.4.20.0070.00716.35
7.4.10.0100.00416.43
7.4.00.0100.00616.17
7.3.330.0120.00415.57
7.3.320.0120.00415.53
7.3.310.0080.00716.27
7.3.300.0100.00516.23
7.3.290.0100.00616.33
7.3.280.0120.00716.34
7.3.270.0130.00616.52
7.3.260.0140.00716.37
7.3.250.0130.00616.29
7.3.240.0140.00716.40
7.3.230.0170.00616.33
7.3.220.0200.00416.16
7.3.210.0160.00616.22
7.3.200.0180.00416.35
7.3.190.0140.00616.23
7.3.180.0130.00716.31
7.3.170.0130.00516.31
7.3.160.0140.00616.24
7.3.150.0130.00616.24
7.3.140.0120.00916.27
7.3.130.0120.00716.24
7.3.120.0100.00916.24
7.3.110.0090.01116.21
7.3.100.0150.00515.72
7.3.90.0100.00815.95
7.3.80.0120.00715.79
7.3.70.0120.00715.88
7.3.60.0100.00915.91
7.3.50.0120.00615.90
7.3.40.0090.00815.88
7.3.30.0090.00815.93
7.3.20.0120.00816.71
7.3.10.0150.00616.63
7.3.00.0180.00716.59
7.2.340.0160.00416.31
7.2.330.0170.00416.41
7.2.320.0120.00916.44
7.2.310.0150.00816.41
7.2.300.0150.00516.42
7.2.290.0140.00716.41
7.2.280.0100.00916.40
7.2.270.0140.00516.42
7.2.260.0130.00616.39
7.2.250.0120.00816.44
7.2.240.0120.00916.48
7.2.230.0130.00716.43
7.2.220.0120.00816.00
7.2.210.0130.00716.08
7.2.200.0130.00816.09
7.2.190.0150.00616.00
7.2.180.0130.00716.10
7.2.170.0160.00616.14
7.2.160.0130.00716.12
7.2.150.0150.00716.93
7.2.140.0160.00716.95
7.2.130.0140.00917.06
7.2.120.0170.00616.98
7.2.110.0410.01016.66
7.2.100.0440.00416.65
7.2.90.0480.00716.69
7.2.80.0420.00816.65
7.2.70.0430.00816.62
7.2.60.0380.00816.67
7.2.50.0460.00416.68
7.2.40.0470.00916.71
7.2.30.0470.00716.75
7.2.20.0560.00516.72
7.2.10.0470.00816.70
7.2.00.0450.00417.04
7.1.330.0120.00816.57
7.1.320.0170.00415.78
7.1.310.0140.00615.82
7.1.300.0640.00615.80
7.1.290.0160.00615.82
7.1.280.0170.00515.79
7.1.270.0170.00515.80
7.1.260.0160.00515.79
7.1.250.0190.00515.68
7.1.240.0170.00615.84
7.1.230.0480.00615.61
7.1.220.0390.00715.48
7.1.210.0460.00615.54
7.1.200.0430.00815.58
7.1.190.0510.00615.50
7.1.180.0510.00715.47
7.1.170.0530.00715.56
7.1.160.0450.00615.51
7.1.150.0500.00715.54
7.1.140.0590.00515.46
7.1.130.0530.00715.52
7.1.120.0440.00615.86
7.1.110.0510.00515.78
7.1.100.0430.00715.76
7.1.90.0310.00715.83
7.1.80.0340.00815.79
7.1.70.0340.00815.53
7.1.60.0380.00719.74
7.1.50.0360.00919.73
7.1.40.0380.00819.67
7.1.30.0310.00819.66
7.1.20.0370.00719.56
7.1.10.0300.00715.66
7.1.00.0320.00415.58
7.0.330.0150.00715.42
7.0.320.0130.00715.40
7.0.310.0160.00615.38
7.0.300.0180.00615.44
7.0.290.0170.00615.35
7.0.280.0590.00515.12
7.0.270.0160.00715.45
7.0.260.0170.00415.74
7.0.250.0160.00815.81
7.0.240.0150.00815.69
7.0.230.0140.00915.74
7.0.220.0120.00815.77
7.0.210.0160.00715.62
7.0.200.0220.00715.66
7.0.190.0200.00515.59
7.0.180.0170.00715.61
7.0.170.0160.00615.63
7.0.160.0160.00715.58
7.0.150.0140.00715.54
7.0.140.0180.00715.61
7.0.130.0150.00715.62
7.0.120.0180.00615.68
7.0.110.0160.00715.54
7.0.100.0150.00715.63
7.0.90.0160.00515.51
7.0.80.0130.00815.50
7.0.70.0200.00515.55
7.0.60.0160.00815.52
7.0.50.0150.00815.51
7.0.40.0140.00715.60
7.0.30.0180.00415.58
7.0.20.0220.00715.36
7.0.10.0130.01015.58
7.0.00.0160.00715.50
5.6.400.0080.01315.26
5.6.390.0130.00815.46
5.6.380.0130.00715.26
5.6.370.0120.00815.37
5.6.360.0190.00415.27
5.6.350.0140.00815.40
5.6.340.0120.00815.34
5.6.330.0120.00815.33
5.6.320.0150.00715.38
5.6.310.0120.01015.24
5.6.300.0130.01215.99
5.6.290.0130.01316.04
5.6.280.0130.01416.09
5.6.270.0140.01316.04
5.6.260.0120.01416.08
5.6.250.0130.01416.04
5.6.240.0150.01316.13
5.6.230.0140.01216.18
5.6.220.0140.01216.11
5.6.210.0120.01316.13
5.6.200.0120.01416.10
5.6.190.0120.01716.14
5.6.180.0120.01616.12
5.6.170.0150.01416.19
5.6.160.0140.01516.24
5.6.150.0130.01616.23
5.6.140.0120.01616.15
5.6.130.0120.01416.10
5.6.120.0110.01516.18
5.6.110.0120.01716.13
5.6.100.0120.01516.18
5.6.90.0110.01716.17
5.6.80.0130.01415.84
5.6.70.0120.01416.02
5.6.60.0120.01316.02
5.6.50.0110.01315.91
5.6.40.0140.01516.04
5.6.30.0090.01815.98
5.6.20.0110.01515.94
5.6.10.0120.01515.97
5.6.00.0110.01415.87

preferences:
30.98 ms | 403 KiB | 5 Q