3v4l.org

run code in 300+ PHP versions simultaneously
<?php $input = [ 'set1' => [ 'key1' => 'value1', 'key2' => 'value2' ], 'set2' => [ 'key1' => 'value1', 'key2' => 'value2' ] ]; $output = [ 'key1' => 'value1', 'key2' => 'value2', 'key3' => 'value3', 'key4' => 'value4', 'key5' => 'value5', 'key6' => 'value6', ];

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)
8.3.60.0100.01018.18
8.3.50.0070.01417.91
8.3.40.0060.01018.71
8.3.30.0090.00618.29
8.3.20.0040.00418.90
8.3.10.0070.00019.22
8.3.00.0090.00623.62
8.2.180.0110.01125.92
8.2.170.0130.00718.80
8.2.160.0100.00322.96
8.2.150.0070.00025.66
8.2.140.0040.00424.66
8.2.130.0030.00619.59
8.2.120.0030.00626.35
8.2.110.0080.00420.52
8.2.100.0040.00817.78
8.2.90.0080.00017.63
8.2.80.0000.00818.56
8.2.70.0060.00317.93
8.2.60.0090.00017.80
8.2.50.0000.00818.10
8.2.40.0050.00219.30
8.2.30.0040.00419.36
8.2.20.0000.00717.96
8.2.10.0040.00417.98
8.2.00.0070.00019.26
8.1.280.0130.00325.92
8.1.270.0040.00424.66
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0030.00618.62
8.1.230.0080.00422.11
8.1.220.0060.00317.74
8.1.210.0060.00318.77
8.1.200.0030.00617.22
8.1.190.0000.00917.23
8.1.180.0000.00818.10
8.1.170.0070.00018.56
8.1.160.0000.00718.88
8.1.150.0040.00418.81
8.1.140.0040.00417.63
8.1.130.0030.00318.91
8.1.120.0070.00017.38
8.1.110.0040.00417.30
8.1.100.0040.00417.37
8.1.90.0050.00317.33
8.1.80.0040.00417.25
8.1.70.0000.00717.37
8.1.60.0060.00317.45
8.1.50.0040.00417.51
8.1.40.0000.00817.52
8.1.30.0100.00017.63
8.1.20.0000.00817.51
8.1.10.0040.00417.42
8.1.00.0030.00617.37
8.0.300.0070.00018.77
8.0.290.0000.00816.63
8.0.280.0000.00718.36
8.0.270.0000.00717.19
8.0.260.0060.00617.12
8.0.250.0070.00016.78
8.0.240.0070.00016.86
8.0.230.0000.00716.79
8.0.220.0070.00016.83
8.0.210.0000.00716.79
8.0.200.0000.00616.89
8.0.190.0070.00416.91
8.0.180.0000.00716.73
8.0.170.0060.00316.83
8.0.160.0040.00416.87
8.0.150.0070.00016.73
8.0.140.0040.00416.83
8.0.130.0000.00513.30
8.0.120.0050.00316.72
8.0.110.0000.00816.64
8.0.100.0050.00316.83
8.0.90.0040.00416.85
8.0.80.0080.00816.79
8.0.70.0090.00016.81
8.0.60.0070.00016.62
8.0.50.0070.00016.86
8.0.30.0080.01117.03
8.0.20.0100.00817.40
8.0.10.0000.00716.97
8.0.00.0080.01016.70
7.4.330.0000.00515.55
7.4.320.0030.00316.52
7.4.300.0060.00016.35
7.4.290.0000.00816.44
7.4.280.0000.00716.34
7.4.270.0040.00416.46
7.4.260.0000.00716.41
7.4.250.0030.00316.50
7.4.240.0030.00316.45
7.4.230.0000.00616.34
7.4.220.0000.00816.32
7.4.210.0080.00716.51
7.4.200.0000.00716.34
7.4.160.0090.00916.43
7.4.140.0120.00817.86
7.4.130.0140.00316.48
7.4.120.0130.00716.36
7.4.110.0060.01016.30
7.4.100.0100.01016.28
7.4.90.0030.01516.58
7.4.80.0110.01219.39
7.4.70.0130.00316.39
7.4.60.0090.00616.41
7.4.50.0030.01016.27
7.4.40.0110.01116.34
7.4.00.0090.00914.81
7.3.330.0000.00512.93
7.3.320.0060.00012.96
7.3.310.0030.00316.08
7.3.300.0000.00616.03
7.3.290.0030.00416.14
7.3.280.0130.00616.14
7.3.260.0100.00716.36
7.3.240.0060.01316.18
7.3.230.0130.00316.43
7.3.210.0100.01316.24
7.3.200.0070.01116.18
7.3.190.0060.00916.18
7.3.180.0160.00016.50
7.3.170.0060.01016.23
7.3.160.0040.01116.39
7.2.330.0100.01016.24
7.2.320.0170.00616.59
7.2.310.0090.00916.51
7.2.300.0100.00716.55
7.2.290.0090.00916.58
7.2.60.1400.00714.39
7.2.50.1350.00514.55
7.2.40.1230.00615.00
7.2.30.1270.00815.05
7.2.20.1180.01014.91
7.2.10.2150.01014.91
7.2.00.1320.00615.18
7.1.200.0040.00415.46
7.1.170.1240.00813.47
7.1.160.1340.01116.28
7.1.150.1130.00816.60
7.1.140.1290.01116.66
7.1.130.1380.01116.24
7.1.120.1270.00516.58
7.1.110.1230.01015.77
7.1.100.1570.00715.84
7.1.90.1550.01016.01
7.1.80.1150.00315.87
7.1.70.1060.01115.04
7.1.60.1200.01133.24
7.1.50.1690.01132.99
7.1.40.1630.01432.36
7.1.30.1730.01432.55
7.1.20.1810.01732.53
7.1.10.2100.01314.52
7.1.00.1580.00814.73

preferences:
60.49 ms | 401 KiB | 5 Q