3v4l.org

run code in 300+ PHP versions simultaneously
<?php $mapped = [ [ 'key1' => false, ], [ 'key2' => 'value', ], ]; $flatMapped = array_filter(array_merge(...$mapped)); print_r($flatMapped); $csvData = [ [ 'key1' => 42, 'key2' => 142, 'key3' => 242, ], [ 'key1' => 342, 'key2' => 442, 'key3' => 542, ], ]; $newData = []; foreach ($csvData as &$item) { $item = array_intersect_key($item, $flatMapped); } print_r($csvData);

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)
8.5.10.0060.01216.82
8.5.00.0130.00819.93
8.4.150.0110.00616.67
8.4.140.0140.00717.35
8.4.130.0150.00519.53
8.4.120.0130.00623.90
8.4.110.0130.00721.30
8.4.100.0060.00418.57
8.4.90.0060.00518.98
8.4.80.0100.00720.18
8.4.70.0060.00217.49
8.4.60.0150.00618.71
8.4.50.0080.01318.47
8.4.40.0090.00019.50
8.4.30.0030.01222.16
8.4.20.0130.00618.85
8.4.10.0080.00017.57
8.3.280.0120.00818.32
8.3.270.0140.01016.45
8.3.260.0030.00617.08
8.3.250.0140.00618.75
8.3.240.0070.01017.06
8.3.230.0120.00816.63
8.3.220.0110.00418.85
8.3.210.0090.00918.48
8.3.200.0030.00516.43
8.3.190.0090.01017.21
8.3.180.0110.00716.54
8.3.170.0070.00717.20
8.3.160.0070.01118.14
8.3.150.0050.00320.60
8.3.140.0110.00718.80
8.3.130.0000.00816.49
8.3.120.0060.00320.73
8.3.110.0060.00320.94
8.3.100.0060.00324.06
8.3.90.0080.00026.77
8.3.80.0030.00618.43
8.3.70.0090.00616.62
8.3.60.0040.01118.30
8.3.50.0140.00317.19
8.3.40.0040.01118.56
8.3.30.0180.00318.72
8.3.20.0030.00721.60
8.3.10.0040.00421.65
8.3.00.0000.00722.34
8.2.290.0080.01020.46
8.2.280.0060.00618.14
8.2.270.0090.00916.77
8.2.260.0050.00316.26
8.2.250.0040.01116.72
8.2.240.0040.00419.03
8.2.230.0060.00322.58
8.2.220.0070.00437.54
8.2.210.0040.01126.77
8.2.200.0090.00016.38
8.2.190.0110.00716.75
8.2.180.0070.00725.92
8.2.170.0170.00322.96
8.2.160.0100.00320.39
8.2.150.0000.00824.18
8.2.140.0080.00024.66
8.2.130.0050.00226.16
8.2.120.0080.00026.16
8.2.110.0030.00621.12
8.2.100.0060.00617.91
8.2.90.0000.00917.63
8.2.80.0000.00817.97
8.2.70.0040.00417.93
8.2.60.0000.00817.91
8.2.50.0000.00818.10
8.2.40.0030.00719.39
8.2.30.0080.00019.14
8.2.20.0000.00718.35
8.2.10.0080.00019.29
8.2.00.0030.00319.18
8.1.330.0080.01021.66
8.1.320.0120.00817.89
8.1.310.0090.00616.76
8.1.300.0080.00019.76
8.1.290.0030.00618.88
8.1.280.0140.00325.92
8.1.270.0080.00020.51
8.1.260.0030.00628.09
8.1.250.0040.00428.09
8.1.240.0080.00022.19
8.1.230.0070.00419.11
8.1.220.0030.00517.74
8.1.210.0030.00618.77
8.1.200.0040.00417.36
8.1.190.0000.00817.35
8.1.180.0030.00618.10
8.1.170.0000.00820.83
8.1.160.0000.00718.96
8.1.150.0080.00018.83
8.1.140.0040.00420.79
8.1.130.0000.00720.08
8.1.120.0030.00317.35
8.1.110.0040.00417.35
8.1.100.0070.00017.43
8.1.90.0050.00217.49
8.1.80.0050.00317.34
8.1.70.0000.00717.29
8.1.60.0040.00417.57
8.1.50.0040.00417.41
8.1.40.0040.00417.41
8.1.30.0060.00317.54
8.1.20.0040.00417.56
8.1.10.0000.00817.51
8.1.00.0030.00517.28
8.0.300.0040.00419.77
8.0.290.0040.00416.63
8.0.280.0040.00418.43
8.0.270.0000.00717.25
8.0.260.0030.00619.98
8.0.250.0030.00316.85
8.0.240.0000.00716.96
8.0.230.0070.00316.92
8.0.220.0030.00316.89
8.0.210.0000.00716.84
8.0.200.0030.00316.86
8.0.190.0000.00816.93
8.0.180.0000.00816.82
8.0.170.0030.00616.91
8.0.160.0000.00816.97
8.0.150.0050.00216.88
8.0.140.0000.00716.82
8.0.130.0000.00613.40
8.0.120.0070.00016.84
8.0.110.0000.00816.87
8.0.100.0000.00816.82
8.0.90.0040.00416.75
8.0.80.0070.00716.87
8.0.70.0070.00016.91
8.0.60.0040.00416.95
8.0.50.0040.00416.75
8.0.30.0080.01217.14
8.0.20.0060.01216.82
8.0.10.0070.00017.05
8.0.00.0140.00316.55
7.4.330.0000.00515.55
7.4.320.0000.00716.61
7.4.300.0030.00316.49
7.4.290.0040.00416.50
7.4.280.0000.00816.59
7.4.270.0030.00316.41
7.4.260.0060.00013.30
7.4.250.0000.00716.60
7.4.240.0030.00316.56
7.4.230.0070.00016.42
7.4.220.0000.00716.62
7.4.210.0040.01116.53
7.4.200.0040.00216.40
7.4.130.0070.01316.43
7.4.120.0090.00916.46
7.4.110.0000.01616.64
7.4.100.0100.00716.48
7.4.90.0130.00316.29
7.4.80.0100.00719.39
7.4.70.0170.00016.54
7.4.60.0100.00716.60
7.4.50.0040.01116.35
7.4.40.0100.00716.60
7.4.00.0090.00314.88
7.3.330.0030.00316.09
7.3.320.0030.00313.24
7.3.310.0000.00716.34
7.3.300.0000.00816.28
7.3.290.0060.01016.28
7.3.280.0130.00816.18
7.3.260.0110.00816.50
7.3.240.0100.00816.45
7.3.230.0170.00316.26
7.3.210.0110.00616.59
7.3.200.0060.01216.16
7.3.190.0030.01216.20
7.3.180.0110.00716.18
7.3.170.0170.00016.71
7.3.160.0050.01016.55
7.3.120.0060.01014.95
7.3.110.0070.01014.57
7.3.100.0050.00914.79
7.3.90.0080.00514.82
7.3.80.0120.00514.91
7.3.70.0060.00814.91
7.3.60.0040.00814.66
7.3.50.0080.00514.72
7.3.40.0100.00714.80
7.3.30.0020.01514.76
7.3.20.0080.00816.67
7.3.10.0060.00716.65
7.3.00.0060.00616.66
7.2.330.0190.00416.68
7.2.320.0070.01416.68
7.2.310.0140.00716.66
7.2.300.0000.02216.73
7.2.290.0130.00716.80
7.2.250.0120.00614.90
7.2.240.0090.00914.84
7.2.230.0110.00414.94
7.2.220.0060.00815.04
7.2.210.0060.00914.91
7.2.200.0030.01114.95
7.2.190.0070.00514.86
7.2.180.0100.00714.89
7.2.170.0100.00714.87
7.2.160.0120.01214.99
7.2.150.0150.00016.89
7.2.140.0130.00316.91
7.2.130.0000.01616.86
7.2.120.0070.00717.04
7.2.110.0090.00616.82
7.2.100.0090.00916.82
7.2.90.0100.00716.93
7.2.80.0100.00517.09
7.2.70.0000.01517.03
7.2.60.0090.01316.73
7.2.50.0120.00917.03
7.2.40.0060.00916.79
7.2.30.0090.00616.83
7.2.20.0120.00917.00
7.2.10.0050.01516.95
7.2.00.0060.01516.86
7.1.330.0060.01015.68
7.1.320.0080.00615.72
7.1.310.0060.00515.73
7.1.300.0070.00615.78
7.1.290.0050.01215.84
7.1.280.0070.01015.72
7.1.270.0090.00915.73
7.1.260.0100.00215.71
7.1.250.0130.00015.57

preferences:
38.99 ms | 403 KiB | 5 Q