3v4l.org

run code in 300+ PHP versions simultaneously
<?php $oldArr = [ [ "t1" => "test1" ],[ "t2" => "test2" ],[ "t3" => "test3" ],[ "t4" => "test4" ],[ "t5" => "test5" ] ]; $newArr = array_reduce($oldArr, function($carry, $item){ $carry[key($item)] = reset($item); return $carry; }); var_dump($newArr);

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)
8.3.60.0120.00916.50
8.3.50.0030.01716.13
8.3.40.0080.00818.87
8.3.30.0040.01118.81
8.3.20.0080.00020.77
8.3.10.0050.00321.85
8.3.00.0090.00017.25
8.2.180.0090.00916.63
8.2.170.0110.00422.96
8.2.160.0130.00020.43
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00419.76
8.2.120.0040.00426.35
8.2.110.0050.00521.12
8.2.100.0060.00617.84
8.2.90.0030.00617.75
8.2.80.0000.00818.86
8.2.70.0030.00617.63
8.2.60.0040.00417.63
8.2.50.0000.00817.63
8.2.40.0040.00417.75
8.2.30.0040.00417.76
8.2.20.0080.00017.99
8.2.10.0040.00418.04
8.2.00.0020.00517.63
8.1.280.0030.01625.92
8.1.270.0030.00522.13
8.1.260.0070.00726.35
8.1.250.0080.00028.09
8.1.240.0000.01022.25
8.1.230.0040.01117.76
8.1.220.0000.00817.74
8.1.210.0050.00318.77
8.1.200.0060.00317.35
8.1.190.0050.00317.54
8.1.180.0030.00518.10
8.1.170.0040.00417.62
8.1.160.0050.00318.89
8.1.150.0040.00420.30
8.1.140.0030.00519.58
8.1.130.0050.00217.37
8.1.120.0040.00417.40
8.1.110.0000.00717.41
8.1.100.0040.00417.52
8.1.90.0030.00517.39
8.1.80.0000.00717.46
8.1.70.0070.00017.40
8.1.60.0040.00417.57
8.1.50.0050.00317.42
8.1.40.0040.00417.41
8.1.30.0000.00917.59
8.1.20.0080.00017.71
8.1.10.0040.00417.57
8.1.00.0000.01117.49
8.0.300.0060.00318.77
8.0.290.0000.00716.75
8.0.280.0000.00718.03
8.0.270.0000.00717.90
8.0.260.0030.00316.64
8.0.250.0000.00716.87
8.0.240.0040.00416.86
8.0.230.0040.00416.76
8.0.220.0040.00416.76
8.0.210.0000.00716.74
8.0.200.0050.00316.98
8.0.190.0020.00516.91
8.0.180.0070.00016.93
8.0.170.0020.00516.86
8.0.160.0000.00716.95
8.0.150.0000.00716.92
8.0.140.0050.00316.70
8.0.130.0080.00013.33
8.0.120.0000.00816.89
8.0.110.0000.00716.93
8.0.100.0000.00716.79
8.0.90.0000.00716.81
8.0.80.0090.00616.89
8.0.70.0070.00016.76
8.0.60.0070.00016.80
8.0.50.0040.00416.95
8.0.30.0120.00617.08
8.0.20.0090.00917.40
8.0.10.0040.00416.98
8.0.00.0110.00916.83
7.4.330.0000.00515.55
7.4.320.0000.00616.48
7.4.300.0000.00716.57
7.4.290.0090.00016.52
7.4.280.0000.00716.45
7.4.270.0070.00016.61
7.4.260.0030.00316.61
7.4.250.0040.00416.58
7.4.240.0030.00316.42
7.4.230.0000.00816.50
7.4.220.0100.01116.46
7.4.210.0140.00716.56
7.4.200.0030.00316.48
7.4.160.0060.00916.48
7.4.150.0090.00917.40
7.4.140.0140.00817.86
7.4.130.0090.00916.49
7.4.120.0100.01116.46
7.4.110.0070.01116.39
7.4.100.0090.00916.58
7.4.90.0080.01216.48
7.4.80.0110.00816.46
7.4.70.0090.01216.26
7.4.60.0120.00516.39
7.4.50.0130.00816.54
7.4.40.0120.00816.52
7.4.30.0090.00916.29
7.4.20.0140.00616.42
7.4.10.0090.01116.49
7.4.00.0100.00815.69
7.3.330.0030.00313.16
7.3.320.0000.00513.26
7.3.310.0000.00716.25
7.3.300.0030.00316.25
7.3.290.0080.00816.28
7.3.280.0120.00716.26
7.3.270.0080.00817.40
7.3.260.0120.00916.37
7.3.250.0110.00816.45
7.3.240.0120.00716.49
7.3.230.0100.00816.34
7.3.220.0140.01016.48
7.3.210.0080.01016.37
7.3.200.0070.01017.84
7.3.190.0120.01116.42
7.3.180.0110.00616.46
7.3.170.0110.01216.38
7.3.160.0070.01016.55
7.3.150.0040.01516.32
7.3.140.0130.00616.53
7.3.130.0140.00516.45
7.3.120.0090.00915.69
7.3.110.0060.01415.71
7.3.100.0080.01115.65
7.3.90.0070.01115.68
7.3.80.0070.01215.51
7.3.70.0100.01015.72
7.3.60.0080.01115.77
7.3.50.0130.00615.56
7.3.40.0120.00615.66
7.3.30.0130.00715.50
7.3.20.0230.00815.92
7.3.10.0120.00915.60
7.3.00.0110.00915.70
7.2.340.0330.00916.73
7.2.330.0140.00916.53
7.2.320.0120.00916.67
7.2.310.0150.00816.69
7.2.300.0190.01316.68
7.2.290.0110.01316.61
7.2.280.0200.00916.54
7.2.270.0120.01416.55
7.2.260.0170.01116.38
7.2.250.0150.00816.12
7.2.240.0090.01215.91
7.2.230.0090.01216.08
7.2.220.0110.01015.72
7.2.210.0150.00816.08
7.2.200.0140.00815.94
7.2.190.0130.00815.90
7.2.180.0120.00915.91
7.2.170.0150.01115.92
7.2.160.0140.00815.94
7.2.150.0130.01116.10
7.2.140.0100.01215.93
7.2.130.0150.00916.03
7.2.120.0150.01015.85
7.2.110.0100.01215.99
7.2.100.0210.00815.91
7.2.90.0120.01015.90
7.2.80.0130.00915.90
7.2.70.0220.00815.90
7.2.60.0140.00816.23
7.2.50.0090.01416.00
7.2.40.0110.01115.93
7.2.30.0080.01216.04
7.2.20.0090.01415.92
7.2.10.0100.01416.00
7.2.00.0160.00715.78
7.1.330.0160.00814.94
7.1.320.0160.00814.87
7.1.310.0170.00814.93
7.1.300.0160.00914.95
7.1.290.0130.01114.90
7.1.280.0170.01314.86
7.1.270.0140.01414.90
7.1.260.0200.00314.81
7.1.250.0200.00614.95
7.1.240.0210.00614.75
7.1.230.0160.00714.74
7.1.220.0090.01314.89
7.1.210.0120.01114.81
7.1.200.0120.00914.93
7.1.190.0170.00614.77
7.1.180.0130.01214.68
7.1.170.0240.00914.75
7.1.160.0150.01014.82
7.1.150.0140.00814.88
7.1.140.0150.00714.72
7.1.130.0150.00914.99
7.1.120.0160.00814.88
7.1.110.0250.01014.93
7.1.100.0090.01414.81
7.1.90.0320.00915.23
7.1.80.0360.00715.04
7.1.70.0290.00715.65
7.1.60.0350.00619.35
7.1.50.0310.00818.80
7.1.40.0330.00918.71
7.1.30.0280.01119.12
7.1.20.0260.01119.16
7.1.10.0210.00915.17
7.1.00.0180.01215.32
7.0.330.0130.00914.64
7.0.320.0120.00814.39
7.0.310.0130.01014.48
7.0.300.0130.00814.55
7.0.290.0130.01014.46
7.0.280.0170.00614.45
7.0.270.0130.01014.60
7.0.260.0210.00714.59
7.0.250.0240.00414.54
7.0.240.0140.00914.54
7.0.230.0340.00914.90
7.0.220.0450.00915.23
7.0.210.0350.00715.05
7.0.200.0340.00715.40
7.0.190.0400.00815.05
7.0.180.0310.00615.21
7.0.170.0250.00815.28
7.0.160.0230.00915.28
7.0.150.0190.00914.81
7.0.140.0330.00714.85
7.0.130.0180.00815.10
7.0.120.0190.00714.91
7.0.110.0180.00814.92
7.0.100.0190.00714.89
7.0.90.0180.00814.92
7.0.80.0180.00915.02
7.0.70.0200.00714.87
7.0.60.0190.01014.90
7.0.50.0190.00814.99
7.0.40.0360.00514.62
7.0.30.0190.00714.67
7.0.20.0150.01014.65
7.0.10.0190.00914.71
7.0.00.0130.01214.60
5.6.400.0140.01415.35
5.6.390.0130.01215.10
5.6.380.0110.01215.33
5.6.370.0160.00915.27
5.6.360.0140.00915.27
5.6.350.0160.01215.35
5.6.340.0130.01315.16
5.6.330.0120.01515.41
5.6.320.0170.00915.30
5.6.310.0120.01615.21
5.6.300.0110.02717.41
5.6.290.0130.02817.51
5.6.280.0130.02517.49
5.6.270.0130.02517.56
5.6.260.0120.02517.70
5.6.250.0130.03217.64
5.6.240.0120.02817.58
5.6.230.0100.03117.61
5.6.220.0100.03417.49
5.6.210.0100.03517.54
5.6.200.0140.02917.54
5.6.190.0120.02717.55
5.6.180.0120.02517.55
5.6.170.0120.03517.55
5.6.160.0150.03217.51
5.6.150.0160.03217.61
5.6.140.0110.02717.57
5.6.130.0110.03417.61
5.6.120.0130.02417.58
5.6.110.0110.02817.46
5.6.100.0120.02617.45
5.6.90.0090.03217.49
5.6.80.0100.02617.19
5.6.70.0110.02717.22
5.6.60.0150.02917.23
5.6.50.0140.03117.34
5.6.40.0140.02917.21
5.6.30.0120.02917.15
5.6.20.0110.03517.15
5.6.10.0140.03217.22
5.6.00.0130.02517.19

preferences:
56.16 ms | 401 KiB | 5 Q