3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = [ 0 => '"["Option 1", "Option 2", "Option 3"]"', 1 => '"["Option 1.1", "Option 1.2"]"' ]; foreach($arr as &$a) $a = json_decode(trim($a, '"'), true); var_dump($arr); var_dump([0=>array_merge(... $arr)]);

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)
8.3.60.0140.00716.63
8.3.50.0120.00916.61
8.3.40.0030.01021.72
8.3.30.0130.00718.76
8.3.20.0050.00324.18
8.3.10.0040.00424.66
8.3.00.0070.00026.16
8.2.180.0060.01225.92
8.2.170.0070.00719.04
8.2.160.0130.00622.96
8.2.150.0040.00425.66
8.2.140.0090.00024.66
8.2.130.0050.00226.16
8.2.120.0040.00426.35
8.2.110.0090.00022.24
8.2.100.0130.00317.91
8.2.90.0000.00817.88
8.2.80.0030.00518.73
8.2.70.0000.00818.05
8.2.60.0030.00517.93
8.2.50.0040.00418.07
8.2.40.0040.00418.35
8.2.30.0020.00518.15
8.2.20.0040.00418.23
8.2.10.0030.00619.30
8.2.00.0070.00019.20
8.1.280.0150.00325.92
8.1.270.0080.00023.68
8.1.260.0080.00028.09
8.1.250.0050.00328.09
8.1.240.0060.00319.09
8.1.230.0030.00917.83
8.1.220.0050.00317.74
8.1.210.0040.00418.77
8.1.200.0050.00517.35
8.1.190.0000.00817.35
8.1.180.0040.00418.10
8.1.170.0040.00418.91
8.1.160.0040.00418.91
8.1.150.0040.00418.79
8.1.140.0040.00418.93
8.1.130.0030.00320.16
8.1.120.0040.00417.46
8.1.110.0040.00417.51
8.1.100.0040.00417.50
8.1.90.0030.00517.46
8.1.80.0000.00717.50
8.1.70.0040.00417.45
8.1.60.0060.00317.49
8.1.50.0110.00017.50
8.1.40.0060.00317.50
8.1.30.0030.00517.63
8.1.20.0050.00317.65
8.1.10.0040.00417.39
8.1.00.0040.00417.46
8.0.300.0030.00618.77
8.0.290.0080.00016.63
8.0.280.0000.00718.36
8.0.270.0000.00817.89
8.0.260.0000.00620.19
8.0.250.0000.00816.93
8.0.240.0040.00416.84
8.0.230.0000.00816.92
8.0.220.0030.00316.89
8.0.210.0030.00316.79
8.0.200.0000.00716.83
8.0.190.0030.00516.96
8.0.180.0000.00817.00
8.0.170.0050.00316.87
8.0.160.0040.00416.86
8.0.150.0000.00816.77
8.0.140.0040.00416.88
8.0.130.0030.00313.38
8.0.120.0050.00316.74
8.0.110.0040.00416.70
8.0.100.0050.00316.89
8.0.90.0040.00416.75
8.0.80.0120.00516.88
8.0.70.0030.00516.86
8.0.60.0040.00416.72
8.0.50.0000.00816.88
8.0.30.0070.01117.09
8.0.20.0130.00916.79
8.0.10.0030.00516.96
8.0.00.0170.00316.80
7.4.330.0000.00615.55
7.4.320.0030.00316.41
7.4.300.0000.00616.51
7.4.290.0000.00916.46
7.4.280.0040.00416.50
7.4.270.0000.00716.53
7.4.260.0000.00513.26
7.4.250.0030.00616.55
7.4.240.0070.00016.59
7.4.230.0030.00516.63
7.4.220.0030.00316.64
7.4.210.0070.00716.54
7.4.200.0000.00716.70
7.4.130.0100.00816.44
7.4.120.0090.00916.50
7.4.110.0100.01716.24
7.4.100.0090.01216.61
7.4.90.0120.01216.39
7.4.80.0120.01216.58
7.4.70.0150.00316.39
7.4.60.0080.01016.42
7.4.50.0040.01616.45
7.4.40.0080.01116.40
7.4.30.0200.00016.30
7.4.20.0110.01116.01
7.4.10.0110.00816.59
7.4.00.0170.00716.21
7.3.330.0070.00016.09
7.3.320.0070.00013.17
7.3.310.0030.00316.21
7.3.300.0000.00716.15
7.3.290.0090.00716.31
7.3.260.0140.01116.56
7.3.230.0190.00016.66
7.3.220.0160.00816.69
7.3.210.0100.01016.47
7.3.200.0090.00916.19
7.3.190.0120.00616.52
7.3.180.0060.01316.50
7.3.170.0150.00916.27
7.3.160.0120.00816.22
7.3.150.0110.01116.43
7.3.140.0100.01016.38
7.3.130.0030.01716.64
7.3.120.0140.00716.39
7.3.110.0160.00716.35
7.3.100.0040.01516.32
7.3.90.0140.00516.49
7.3.80.0090.00916.41
7.3.70.0080.01216.30
7.3.60.0150.00616.35
7.3.50.0120.01316.43
7.3.40.0080.01616.25
7.3.30.0070.01416.16
7.3.20.0160.00316.47
7.3.10.0400.01116.30
7.3.00.0140.01116.39
7.2.340.0060.01316.57
7.2.330.0080.01216.75
7.2.320.0080.01216.64
7.2.310.0120.00816.43
7.2.300.0130.00616.72
7.2.290.0070.01416.71
7.2.280.0140.00716.49
7.2.270.0170.00716.66
7.2.260.0120.00916.79
7.2.250.0080.01016.70
7.2.240.0110.01116.80
7.2.230.0110.00916.72
7.2.220.0120.00616.51
7.2.210.0060.01216.69
7.2.200.0120.00916.55
7.2.190.0100.01016.57
7.2.180.0090.01516.52
7.2.170.0000.01916.61
7.2.160.0110.00816.59
7.2.150.0140.01116.55
7.2.140.0090.02016.57
7.2.130.0110.01416.63
7.2.120.0120.00816.77
7.2.110.0090.01616.74
7.2.100.0150.01116.77
7.2.90.0080.01216.61
7.2.80.0030.01716.45
7.2.70.0070.01516.48
7.2.60.0070.01416.69
7.2.50.0210.00416.61
7.2.40.0050.01516.88
7.2.30.0160.00416.50
7.2.20.0100.01016.50
7.2.10.0070.01716.43
7.2.00.0180.01116.77

preferences:
35.57 ms | 400 KiB | 5 Q