3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr1 = array( '11' => '11', '22' => '22', '33' => '33', '44' => '44' ); $arr2 =array( '44' => '44', '55' => '55', '66' => '66', '77' => '77' ); print_r($arr1 + $arr2);

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)
8.3.60.0140.00016.50
8.3.50.0100.00717.92
8.3.40.0090.00618.52
8.3.30.0090.00618.60
8.3.20.0030.00520.73
8.3.10.0080.00023.65
8.3.00.0040.00422.39
8.2.180.0150.00016.38
8.2.170.0030.01022.96
8.2.160.0070.00721.07
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0040.00422.18
8.2.120.0040.00426.35
8.2.110.0080.00421.06
8.2.100.0040.00817.97
8.2.90.0000.00819.23
8.2.80.0000.00817.97
8.2.70.0080.00017.37
8.2.60.0040.00417.91
8.2.50.0040.00418.10
8.2.40.0060.00322.25
8.2.30.0000.00719.09
8.2.20.0060.00317.66
8.2.10.0070.00017.90
8.2.00.0040.00417.95
8.1.280.0110.00725.92
8.1.270.0070.00023.96
8.1.260.0040.00428.09
8.1.250.0000.00728.09
8.1.240.0100.00723.82
8.1.230.0090.00318.86
8.1.220.0080.00017.74
8.1.210.0040.00418.77
8.1.200.0060.00317.23
8.1.190.0050.00317.23
8.1.180.0040.00418.10
8.1.170.0000.00818.52
8.1.160.0030.00322.18
8.1.150.0000.00818.68
8.1.140.0000.00719.41
8.1.130.0050.00217.62
8.1.120.0000.00717.45
8.1.110.0050.00217.27
8.1.100.0030.00317.42
8.1.90.0040.00417.29
8.1.80.0000.00817.41
8.1.70.0000.00717.44
8.1.60.0000.00917.43
8.1.50.0090.00017.35
8.1.40.0080.00317.40
8.1.30.0030.00517.61
8.1.20.0040.00417.52
8.1.10.0000.00717.42
8.1.00.0000.00717.41
8.0.300.0070.00018.77
8.0.290.0040.00416.75
8.0.280.0000.00718.23
8.0.270.0030.00317.18
8.0.260.0030.00617.18
8.0.250.0040.00416.95
8.0.240.0050.00216.92
8.0.230.0000.00716.97
8.0.220.0040.00416.88
8.0.210.0040.00416.84
8.0.200.0030.00316.82
8.0.190.0030.00616.92
8.0.180.0030.00316.86
8.0.170.0040.00416.94
8.0.160.0000.00716.95
8.0.150.0030.00516.76
8.0.140.0050.00516.85
8.0.130.0000.00513.31
8.0.120.0040.00416.85
8.0.110.0000.00716.74
8.0.100.0020.00516.69
8.0.90.0040.00416.75
8.0.80.0150.00616.91
8.0.70.0000.00716.98
8.0.60.0040.00416.71
8.0.50.0040.00416.82
8.0.30.0110.00717.08
8.0.20.0090.01017.40
8.0.10.0040.00417.03
8.0.00.0060.01216.68
7.4.330.0020.00215.08
7.4.320.0000.00616.52
7.4.300.0030.00316.46
7.4.290.0000.00716.41
7.4.280.0050.00516.39
7.4.270.0030.00316.57
7.4.260.0030.00316.50
7.4.250.0040.00416.48
7.4.240.0000.00716.38
7.4.230.0000.00716.22
7.4.220.0090.00616.47
7.4.210.0080.00616.53
7.4.200.0000.00716.62
7.4.160.0080.00816.29
7.4.150.0120.00617.40
7.4.140.0080.01017.86
7.4.130.0110.00816.47
7.4.120.0120.00516.33
7.4.110.0040.01416.46
7.4.100.0070.01016.26
7.4.90.0120.00616.46
7.4.80.0230.00019.39
7.4.70.0070.01416.33
7.4.60.0110.00716.33
7.4.50.0030.00916.63
7.4.40.0100.00716.54
7.4.30.0060.00916.46
7.4.00.0110.00715.07
7.3.330.0050.00213.04
7.3.320.0050.00013.13
7.3.310.0040.00416.17
7.3.300.0030.00316.20
7.3.290.0030.00316.18
7.3.280.0070.01116.21
7.3.270.0180.00017.40
7.3.260.0100.01016.30
7.3.250.0100.00916.22
7.3.240.0050.01116.38
7.3.230.0040.01216.39
7.3.210.0070.01016.11
7.3.200.0060.01616.03
7.3.190.0000.01516.40
7.3.180.0070.01416.41
7.3.170.0090.00616.30
7.3.160.0080.00816.30
7.2.330.0130.00316.36
7.2.320.0100.00816.26
7.2.310.0120.00916.29
7.2.300.0070.01016.42
7.2.290.0090.01316.58
7.2.80.0160.00016.54
7.2.60.0060.00916.97
7.2.00.0030.01019.41
7.1.200.0040.00815.50
7.1.100.0000.01117.59
7.1.70.0090.00017.16
7.1.60.0130.01317.15
7.1.00.0030.07322.43
7.0.200.0360.00414.71
7.0.100.0000.06719.95
7.0.90.0130.05320.11
7.0.80.0130.05719.89
7.0.70.0100.05720.18
7.0.60.0100.05720.02
7.0.50.0100.06720.25
7.0.40.0130.06020.31
7.0.30.0030.06720.36
7.0.20.0230.04320.32
7.0.10.0200.04320.26
7.0.00.0100.05720.37
5.6.250.0170.05320.84
5.6.240.0070.06320.82
5.6.230.0030.06320.50
5.6.220.0200.05020.68
5.6.210.0170.05320.69
5.6.200.0170.08021.07
5.6.190.0070.06021.10
5.6.180.0070.06021.01
5.6.170.0170.05721.14
5.6.160.0130.05720.99
5.6.150.0100.05721.17
5.6.140.0130.05021.00
5.6.130.0070.06021.13
5.6.120.0170.05721.00
5.6.110.0070.06021.05
5.6.100.0100.05721.07
5.6.90.0170.05321.11
5.6.80.0200.05020.45
5.6.70.0100.05720.56
5.6.60.0200.07320.43
5.6.50.0070.05720.43
5.6.40.0100.06720.53
5.6.30.0100.05320.54
5.6.20.0170.05020.41
5.6.10.0100.05020.36
5.6.00.0070.05720.40

preferences:
59.26 ms | 400 KiB | 5 Q