3v4l.org

run code in 300+ PHP versions simultaneously
<?php $t1 = [3 => 21, 'test1' => 'test']; $t2 = [3 => 221, 'test1' => 'test2']; var_dump(array_merge($t1, $t2));

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)
8.3.70.0070.01116.63
8.3.60.0070.01418.30
8.3.50.0090.00616.56
8.3.40.0040.01118.52
8.3.30.0120.00318.49
8.3.20.0040.00420.16
8.3.10.0070.00721.88
8.3.00.0040.00420.84
8.2.180.0110.00718.17
8.2.170.0040.01122.96
8.2.160.0130.00022.18
8.2.150.0050.00324.18
8.2.140.0090.00624.66
8.2.130.0050.00522.11
8.2.120.0040.00426.35
8.2.110.0080.00322.08
8.2.100.0090.00317.84
8.2.90.0060.00317.72
8.2.80.0030.00617.97
8.2.70.0040.00417.38
8.2.60.0080.00017.93
8.2.50.0040.00418.10
8.2.40.0040.00420.61
8.2.30.0040.00719.09
8.2.20.0040.00418.03
8.2.10.0040.00418.04
8.2.00.0070.00017.98
8.1.280.0110.01125.92
8.1.270.0040.00422.15
8.1.260.0070.00026.35
8.1.250.0050.00328.09
8.1.240.0060.00322.22
8.1.230.0100.00021.04
8.1.220.0040.00417.74
8.1.210.0080.00018.85
8.1.200.0030.00617.10
8.1.190.0000.00817.10
8.1.180.0080.00018.10
8.1.170.0050.00318.51
8.1.160.0000.00718.98
8.1.150.0000.00720.52
8.1.140.0050.00319.44
8.1.130.0030.00318.85
8.1.120.0030.00317.27
8.1.110.0000.00717.25
8.1.100.0050.00317.46
8.1.90.0070.00017.38
8.1.80.0070.00017.46
8.1.70.0030.00317.28
8.1.60.0000.00817.40
8.1.50.0080.00017.50
8.1.40.0030.00617.29
8.1.30.0000.00917.54
8.1.20.0030.00717.59
8.1.10.0000.00717.30
8.1.00.0040.00417.38
8.0.300.0030.00519.95
8.0.290.0000.00716.58
8.0.280.0030.00318.24
8.0.270.0070.00016.79
8.0.260.0030.00316.73
8.0.250.0030.00316.75
8.0.240.0000.00816.86
8.0.230.0000.00716.86
8.0.220.0030.00316.71
8.0.210.0000.00616.83
8.0.200.0060.00316.78
8.0.190.0080.00016.77
8.0.180.0050.00316.82
8.0.170.0030.00316.87
8.0.160.0000.00716.82
8.0.150.0000.00816.64
8.0.140.0050.00316.64
8.0.130.0000.00713.27
8.0.120.0050.00316.72
8.0.110.0080.00016.80
8.0.100.0000.00716.77
8.0.90.0000.00716.69
8.0.80.0150.00616.77
8.0.70.0050.00216.65
8.0.60.0000.00716.69
8.0.50.0040.00416.93
8.0.30.0080.01017.13
8.0.20.0140.00717.40
8.0.10.0030.00516.86
8.0.00.0110.00716.66
7.4.330.0050.00015.55
7.4.320.0030.00316.53
7.4.300.0000.00616.42
7.4.290.0040.00416.51
7.4.280.0030.00516.36
7.4.270.0070.00016.35
7.4.260.0060.00013.19
7.4.250.0070.00016.41
7.4.240.0000.00716.54
7.4.230.0030.00316.32
7.4.220.0160.00316.32
7.4.210.0100.01016.34
7.4.200.0050.00316.55
7.4.160.0060.00916.15
7.4.150.0140.00317.40
7.4.140.0150.00617.86
7.4.130.0140.01016.34
7.4.120.0090.01016.34
7.4.110.0110.00816.47
7.4.100.0130.00716.39
7.4.90.0100.00716.42
7.4.80.0140.00419.39
7.4.70.0170.00016.21
7.4.60.0100.00716.38
7.4.50.0110.00716.38
7.4.40.0120.00416.45
7.4.30.0130.00416.51
7.4.00.0060.00914.76
7.3.330.0000.00512.97
7.3.320.0000.00612.91
7.3.310.0000.00716.06
7.3.300.0030.00316.12
7.3.290.0060.00916.13
7.3.280.0100.00716.15
7.3.270.0170.00017.40
7.3.260.0140.00316.18
7.3.250.0120.00516.16
7.3.240.0080.00816.33
7.3.230.0120.03116.13
7.3.210.0110.00616.28
7.3.200.0040.01216.10
7.3.190.0060.00916.25
7.3.180.0140.00616.25
7.3.170.0070.01016.20
7.3.160.0130.01016.05
7.3.120.0100.00614.41
7.3.110.0070.00714.79
7.3.100.0030.00714.58
7.3.90.0090.00614.69
7.3.80.0060.00614.79
7.3.70.0040.01114.75
7.3.60.0110.00414.67
7.3.50.0030.01214.69
7.3.40.0040.01114.65
7.3.30.0030.01214.79
7.3.20.0000.01716.37
7.3.10.0070.00716.53
7.3.00.0020.01216.56
7.2.330.0280.02816.57
7.2.320.0080.01616.59
7.2.310.0130.00316.65
7.2.300.0100.00716.52
7.2.290.0130.00316.32
7.2.240.0070.00714.79
7.2.230.0070.00714.79
7.2.220.0070.01014.59
7.2.210.0040.00814.73
7.2.200.0040.01114.61
7.2.190.0060.00914.73
7.2.180.0000.01414.95
7.2.170.0030.01014.76
7.2.160.0120.00015.01
7.2.150.0040.00816.89
7.2.140.0000.01316.78
7.2.130.0060.00616.73
7.2.120.0040.01116.64
7.2.110.0070.00916.57
7.2.100.0050.00816.57
7.2.90.0060.00916.80
7.2.80.0080.00616.73
7.2.70.0100.00316.65
7.2.60.0080.00816.79
7.2.50.0110.00116.65
7.2.40.0050.01016.61
7.2.30.0030.01016.81
7.2.20.0030.01116.54
7.2.10.0050.00716.66
7.2.00.0040.01017.56
7.1.330.0060.01015.85
7.1.320.0110.00015.70
7.1.310.0040.01415.77
7.1.300.0060.01015.63
7.1.290.0030.01015.88
7.1.280.0070.01015.70
7.1.270.0070.00715.73
7.1.260.0080.00815.33
7.1.250.0060.00415.72
7.1.200.0060.00315.82
7.1.100.0070.00717.50
7.1.70.0000.00717.08
7.1.60.0430.01733.26
7.1.50.0470.00732.81
7.1.40.0430.00332.39
7.1.30.0370.01332.44
7.1.20.0430.01732.64
7.1.10.0230.01014.63
7.1.00.0270.00714.90
7.0.200.0030.01015.00
7.0.190.0200.01314.80
7.0.180.0270.00714.38
7.0.170.0230.00714.11
7.0.160.0270.00714.56
7.0.150.0270.01014.57
7.0.140.0330.00714.46
7.0.130.0270.00714.66
7.0.120.0230.01314.54
7.0.110.0030.01014.50
7.0.100.0070.00714.36
7.0.90.0300.01314.12
7.0.80.0270.00314.49
7.0.70.0200.01314.45
7.0.60.0170.01314.27
7.0.50.0230.00714.41
7.0.40.0230.00714.54
7.0.30.0200.01014.60
7.0.20.0270.01014.44
7.0.10.0530.01014.47
7.0.00.0270.00714.59

preferences:
34.36 ms | 401 KiB | 5 Q