3v4l.org

run code in 300+ PHP versions simultaneously
<?php $source = ["a" => 1, "b" => 2, "c" => 3]; $input = ["d" => 4, "b" => 10]; $new = $source + ($source + $input); print_r($new);

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)
8.4.120.0110.00824.23
8.4.110.0080.01118.60
8.4.100.0110.00718.68
8.4.90.0110.00920.46
8.4.80.0040.00420.38
8.4.70.0110.00217.81
8.4.60.0060.00318.78
8.4.50.0070.01318.58
8.4.40.0090.00617.55
8.4.30.0160.00620.42
8.4.20.0100.01017.76
8.4.10.0040.00419.38
8.3.250.0090.00918.80
8.3.240.0130.00516.96
8.3.230.0130.00616.85
8.3.220.0100.00818.88
8.3.210.0080.00716.53
8.3.200.0110.01016.48
8.3.190.0060.00318.95
8.3.180.0120.00617.36
8.3.170.0080.01118.87
8.3.160.0000.00816.42
8.3.150.0160.00318.88
8.3.140.0090.01318.21
8.3.130.0090.00018.15
8.3.120.0060.00320.73
8.3.110.0100.01020.94
8.3.100.0130.00716.75
8.3.90.0110.00026.77
8.3.80.0100.00019.36
8.3.70.0070.00718.18
8.3.60.0040.01918.18
8.3.50.0120.00924.53
8.3.40.0180.00018.70
8.3.30.0000.01418.72
8.3.20.0000.00724.18
8.3.10.0080.00024.66
8.3.00.0040.00426.16
8.2.290.0120.00720.20
8.2.280.0100.00818.54
8.2.270.0090.00916.95
8.2.260.0020.00516.48
8.2.250.0080.00016.57
8.2.240.0060.00318.77
8.2.230.0070.00322.58
8.2.220.0100.01024.06
8.2.210.0090.01226.77
8.2.200.0090.00018.88
8.2.190.0100.00318.18
8.2.180.0140.00725.92
8.2.170.0040.01118.80
8.2.160.0030.01022.96
8.2.150.0030.00525.66
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0080.00026.35
8.2.110.0060.00321.18
8.2.100.0080.00419.58
8.2.90.0000.01117.91
8.2.80.0050.00317.97
8.2.70.0060.00317.78
8.2.60.0060.00318.16
8.2.50.0080.00018.10
8.2.40.0040.00421.03
8.2.30.0040.00419.11
8.2.20.0040.00417.86
8.2.10.0040.00419.27
8.2.00.0000.00819.22
8.1.330.0130.00522.02
8.1.320.0100.01118.05
8.1.310.0000.00818.09
8.1.300.0150.00018.20
8.1.290.0070.00330.84
8.1.280.0110.00425.92
8.1.270.0000.00723.99
8.1.260.0070.00028.09
8.1.250.0030.00328.09
8.1.240.0030.00623.78
8.1.230.0040.00822.63
8.1.220.0000.01017.74
8.1.210.0060.00318.77
8.1.200.0000.00817.35
8.1.190.0000.00917.23
8.1.180.0050.00318.10
8.1.170.0040.00418.38
8.1.160.0040.00420.52
8.1.150.0040.00418.85
8.1.140.0050.00218.82
8.1.130.0050.00320.07
8.1.120.0000.00717.37
8.1.110.0000.00817.37
8.1.100.0030.00317.45
8.1.90.0030.00317.33
8.1.80.0000.00817.41
8.1.70.0000.00717.31
8.1.60.0030.00517.40
8.1.50.0030.00517.34
8.1.40.0080.00017.34
8.1.30.0060.00317.58
8.1.20.0040.00417.58
8.1.10.0040.00417.49
8.1.00.0040.00417.36
8.0.300.0040.00419.76
8.0.290.0000.00716.63
8.0.280.0030.00318.39
8.0.270.0000.00918.72
8.0.260.0000.00618.43
8.0.250.0070.00016.96
8.0.240.0030.00316.94
8.0.230.0090.00016.77
8.0.220.0000.00716.77
8.0.210.0030.00316.71
8.0.200.0030.00316.88
8.0.190.0040.00416.84
8.0.180.0060.00316.95
8.0.170.0030.00616.91
8.0.160.0040.00416.78
8.0.150.0040.00416.77
8.0.140.0000.00716.70
8.0.130.0030.00313.29
8.0.120.0000.00816.85
8.0.110.0040.00416.79
8.0.100.0040.00416.68
8.0.90.0000.00716.91
8.0.80.0090.00616.84
8.0.70.0000.00816.91
8.0.60.0020.00516.71
8.0.50.0000.00716.75
8.0.30.0060.01216.79
8.0.20.0130.01117.11
8.0.10.0130.01316.91
8.0.00.0160.00416.94
7.4.330.0000.00516.79
7.4.320.0030.00316.41
7.4.300.0080.00016.52
7.4.290.0040.00416.54
7.4.280.0000.00816.42
7.4.270.0000.00716.40
7.4.260.0060.00013.21
7.4.250.0000.00716.32
7.4.240.0030.00416.50
7.4.230.0030.00316.23
7.4.220.0030.00416.46
7.4.210.0050.01016.47
7.4.200.0000.00716.55
7.4.150.0080.01216.23
7.4.140.0050.01616.45
7.4.130.0090.01116.46
7.4.120.0120.00916.28
7.4.110.0120.00916.23
7.4.100.0070.01216.23
7.4.90.0170.00216.27
7.4.80.0150.00616.21
7.4.70.0090.01216.23
7.4.60.0100.01016.33
7.4.50.0150.00516.42
7.4.40.0160.00316.49
7.4.30.0110.00716.38
7.4.20.0080.01016.50
7.4.10.0120.00516.30
7.4.00.0150.00816.46
7.3.330.0030.00616.06
7.3.320.0000.00512.94
7.3.310.0040.00416.03
7.3.300.0000.00616.04
7.3.290.0100.00816.20
7.3.270.0110.00916.31
7.3.260.0090.01016.21
7.3.250.0120.00716.26
7.3.240.0090.01116.10
7.3.230.0120.00816.13
7.3.220.0060.01116.07
7.3.210.0100.00716.11
7.3.200.0080.01116.28
7.3.190.0080.01116.17
7.3.180.0070.01116.29
7.3.170.0130.00516.50
7.3.160.0090.00916.24
7.3.150.0120.00716.42
7.3.140.0090.01116.34
7.3.130.0100.00816.14
7.3.120.0050.01316.24
7.3.110.0110.00716.26
7.3.100.0080.00916.14
7.3.90.0130.01016.19
7.3.80.0120.00915.94
7.3.70.0090.00916.15
7.3.60.0170.00316.32
7.3.50.0120.00416.29
7.3.40.0100.00816.14
7.3.30.0120.00816.17
7.3.20.0130.00516.07
7.3.10.0100.00916.04
7.3.00.0090.01116.22

preferences:
36.57 ms | 403 KiB | 5 Q