3v4l.org

run code in 300+ PHP versions simultaneously
<?php $records = array( array( 'id' => 2135, 'first_name' => 'John', 'last_name' => 'Doe', ), array( 'id' => 3245, 'first_name' => 'Sally', 'last_name' => 'Smith', ), array( 'id' => 5342, 'first_name' => 'Jane', 'last_name' => 'Jones', ), array( 'id' => 5623, 'first_name' => 'Peter', 'last_name' => 'Doe', ) ); $records2 = array( array( 'id' => 2135, 'first_name' => 'John', 'last_name' => 'Doe', ), array( 'id' => 3245, 'first_name' => 'Sally', 'last_name' => 'Smith', ), array( 'id' => 5342, 'first_name' => 'Jane', 'last_name' => 'Jones', ), array( 'id' => 5624, 'first_name' => 'Peter', 'last_name' => 'Doe', ) ); $first = array_column($records, null, 'id'); $second = array_column($records2, null, 'id'); $third = $first + $second; // if you need to reset indexes // $third = array_values($third); echo print_r($third);

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)
8.4.140.0160.01017.43
8.4.130.0060.00417.77
8.4.120.0100.00920.47
8.4.110.0130.00722.39
8.4.100.0060.00317.81
8.4.90.0050.00520.30
8.4.80.0100.00518.58
8.4.70.0090.01218.94
8.4.60.0120.00918.72
8.4.50.0120.00717.58
8.4.40.0060.01319.45
8.4.30.0070.01320.19
8.4.20.0080.00417.84
8.4.10.0130.00319.72
8.3.270.0140.00616.18
8.3.260.0120.00716.74
8.3.250.0120.00718.73
8.3.240.0100.00816.42
8.3.230.0120.00716.31
8.3.220.0120.00618.58
8.3.210.0100.00818.43
8.3.200.0060.00316.63
8.3.190.0030.00618.86
8.3.180.0060.00216.54
8.3.170.0040.01516.55
8.3.160.0150.00416.72
8.3.150.0130.00617.07
8.3.140.0120.00617.22
8.3.130.0080.00018.52
8.3.120.0030.01319.05
8.3.110.0060.00320.94
8.3.100.0100.00324.06
8.3.90.0080.00026.77
8.3.80.0070.00318.43
8.3.70.0190.00316.75
8.3.60.0090.01216.63
8.3.50.0110.00224.42
8.3.40.0070.01018.79
8.3.30.0040.01118.67
8.3.20.0040.00722.71
8.3.10.0040.00420.04
8.3.00.0070.00020.57
8.2.290.0110.00918.64
8.2.280.0110.00722.34
8.2.270.0060.00916.80
8.2.260.0100.00418.69
8.2.250.0120.00416.46
8.2.240.0050.00217.14
8.2.230.0040.00422.58
8.2.220.0040.00437.54
8.2.210.0140.00026.77
8.2.200.0040.00418.16
8.2.190.0110.00618.13
8.2.180.0090.00618.29
8.2.170.0140.00722.96
8.2.160.0040.01422.30
8.2.150.0080.00424.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0000.00721.13
8.2.110.0060.00322.23
8.2.100.0110.00017.91
8.2.90.0080.00018.16
8.2.80.0040.00417.97
8.2.70.0030.00617.93
8.2.60.0080.00018.03
8.2.50.0080.00018.10
8.2.40.0050.00321.09
8.2.30.0040.00419.26
8.2.20.0000.00718.11
8.2.10.0000.00718.92
8.2.00.0040.00419.16
8.1.330.0110.00816.20
8.1.320.0100.00915.73
8.1.310.0110.00616.29
8.1.300.0040.00418.60
8.1.290.0090.00018.88
8.1.280.0140.00025.92
8.1.270.0050.00322.41
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0060.00323.91
8.1.230.0080.00419.22
8.1.220.0040.00417.74
8.1.210.0040.00418.86
8.1.200.0070.00317.23
8.1.190.0050.00317.10
8.1.180.0030.00518.10
8.1.170.0040.00418.51
8.1.160.0000.00720.25
8.1.150.0040.00418.84
8.1.140.0080.00018.74
8.1.130.0000.00720.12
8.1.120.0000.00717.28
8.1.110.0030.00617.35
8.1.100.0040.00417.31
8.1.90.0000.00717.44
8.1.80.0040.00417.36
8.1.70.0000.00717.41
8.1.60.0000.00817.52
8.1.50.0040.00417.36
8.1.40.0060.00317.43
8.1.30.0000.00717.60
8.1.20.0060.00317.62
8.1.10.0030.00517.41
8.1.00.0000.00717.33
8.0.300.0070.00019.72
8.0.290.0040.00416.75
8.0.280.0040.00418.44
8.0.270.0040.00416.84
8.0.260.0060.00020.10
8.0.250.0070.00017.02
8.0.240.0000.00716.88
8.0.230.0050.00216.96
8.0.220.0080.00016.92
8.0.210.0000.00716.86
8.0.200.0030.00316.91
8.0.190.0000.00716.93
8.0.180.0040.00416.79
8.0.170.0030.00616.82
8.0.160.0040.00416.84
8.0.150.0030.00516.68
8.0.140.0050.00316.73
8.0.130.0030.00313.32
8.0.120.0040.00416.75
8.0.110.0000.00716.73
8.0.100.0040.00416.92
8.0.90.0030.00616.66
8.0.80.0070.01416.86
8.0.70.0000.00716.81
8.0.60.0000.00816.71
8.0.50.0030.00516.91
8.0.30.0000.02017.11
8.0.20.0130.01317.27
8.0.10.0000.00717.07
8.0.00.0090.00916.63
7.4.330.0000.00615.55
7.4.320.0030.00316.38
7.4.300.0000.00616.50
7.4.290.0040.00416.52
7.4.280.0090.00016.40
7.4.270.0000.00716.29
7.4.260.0000.00513.22
7.4.250.0040.00416.44
7.4.240.0040.00416.43
7.4.230.0000.00716.32
7.4.220.0050.00216.39
7.4.210.0120.00616.53
7.4.200.0030.00316.44
7.4.130.0040.01416.34
7.4.120.0120.00916.56
7.4.110.0080.01216.36
7.4.100.0090.00916.37
7.4.90.0060.01416.38
7.4.80.0130.00319.39
7.4.70.0070.01016.29
7.4.60.0060.01216.41
7.4.50.0070.00716.34
7.4.40.0100.01016.34
7.4.00.0030.01014.92
7.3.330.0040.00416.06
7.3.320.0070.00013.09
7.3.310.0030.00316.25
7.3.300.0000.00716.23
7.3.290.0060.00916.21
7.3.280.0090.00916.18
7.3.260.0100.01416.26
7.3.230.0110.00616.29
7.3.210.0130.00316.39
7.3.200.0080.00816.43
7.3.190.0090.01116.28
7.3.180.0090.00616.12
7.3.170.0140.00316.44
7.3.160.0060.01116.50
7.3.120.0100.01014.69
7.3.110.0110.00714.71
7.3.100.0060.00614.89
7.3.90.0090.00614.36
7.3.80.0090.00414.66
7.3.70.0050.00814.95
7.3.60.0130.00014.77
7.3.50.0090.00614.63
7.3.40.0110.00314.80
7.3.30.0110.00814.77
7.3.20.0080.00514.89
7.3.10.0150.00014.71
7.3.00.0050.01014.68
7.2.330.0140.00316.41
7.2.320.0120.00616.58
7.2.310.0110.00616.34
7.2.300.0030.01416.45
7.2.290.0130.00716.65
7.2.240.0090.00514.89
7.2.230.0030.01015.14
7.2.220.0030.01114.82
7.2.210.0080.00614.97
7.2.200.0040.01115.03
7.2.190.0040.01114.73
7.2.180.0070.00714.88
7.2.170.0090.01214.96
7.2.160.0090.00614.97
7.2.150.0090.00515.13
7.2.140.0100.00515.11
7.2.130.0120.00414.70
7.2.120.0130.00214.98
7.2.110.0100.00515.10
7.2.100.0090.00914.97
7.2.90.0060.01115.09
7.2.80.0070.01314.90
7.2.70.0060.01014.99
7.2.60.0070.01014.89
7.2.50.0070.00715.15
7.2.40.0070.00714.95
7.2.30.0130.00714.74
7.2.20.0120.00314.82
7.2.10.0080.00815.08
7.2.00.0060.00915.18
7.1.330.0030.01013.94
7.1.320.0070.00713.95
7.1.310.0100.00513.88
7.1.300.0140.00313.97
7.1.290.0080.00513.89
7.1.280.0080.01014.07
7.1.270.0060.00814.05
7.1.260.0080.00514.11
7.1.250.0130.00414.08

preferences:
173.4 ms | 403 KiB | 5 Q