3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(array_replace(['a' => 1, 'b' => 2], ['a' => 3]));

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)
8.5.20.0100.00820.13
8.5.10.0090.00820.07
8.5.00.0100.01219.79
8.4.160.0120.01023.86
8.4.150.0020.00014.05
8.4.140.0100.01017.19
8.4.130.0130.00817.77
8.4.120.0140.00720.50
8.4.110.0130.00822.42
8.4.100.0130.00817.51
8.4.90.0100.01217.61
8.4.80.0100.00917.60
8.4.70.0080.01217.42
8.4.60.0040.00419.21
8.4.50.0100.01018.70
8.4.40.0080.00417.63
8.4.30.0060.00320.23
8.4.20.0090.00919.39
8.4.10.0060.00320.38
8.3.290.0140.00620.46
8.3.280.0120.00718.45
8.3.270.0090.00916.39
8.3.260.0120.00816.39
8.3.250.0100.00919.00
8.3.240.0060.01316.54
8.3.230.0110.00916.66
8.3.220.0020.00517.28
8.3.210.0060.00216.35
8.3.200.0120.00816.57
8.3.190.0100.00816.56
8.3.180.0090.00916.62
8.3.170.0070.01018.61
8.3.160.0130.00616.42
8.3.150.0000.00817.34
8.3.140.0110.00716.41
8.3.130.0000.00918.46
8.3.120.0030.00620.79
8.3.110.0000.00916.61
8.3.100.0040.00418.31
8.3.90.0080.00026.77
8.3.80.0030.00616.50
8.3.70.0110.01116.58
8.3.60.0100.00316.50
8.3.50.0090.00920.05
8.3.40.0140.00719.05
8.3.30.0070.00719.26
8.3.20.0030.00524.18
8.3.10.0070.00724.66
8.3.00.0040.00426.16
8.2.300.0160.00918.73
8.2.290.0130.00920.43
8.2.280.0110.00916.30
8.2.270.0130.00618.73
8.2.260.0090.00016.69
8.2.250.0040.00716.48
8.2.240.0070.01116.36
8.2.230.0070.00320.94
8.2.220.0040.00424.06
8.2.210.0080.00026.77
8.2.200.0060.00318.29
8.2.190.0140.00016.58
8.2.180.0090.00625.92
8.2.170.0100.00318.84
8.2.160.0000.01422.96
8.2.150.0000.00725.66
8.2.140.0020.00524.66
8.2.130.0040.00426.16
8.2.120.0040.00426.16
8.2.110.0030.00621.04
8.2.100.0120.00017.66
8.2.90.0060.00317.84
8.2.80.0080.00019.05
8.2.70.0040.00417.50
8.2.60.0050.00317.36
8.2.50.0040.00417.98
8.2.40.0070.00017.78
8.2.30.0040.00418.21
8.2.20.0070.00020.30
8.2.10.0000.00717.99
8.2.00.0040.00418.99
8.1.340.0110.00819.71
8.1.330.0090.01116.55
8.1.320.0100.00816.04
8.1.310.0090.00018.07
8.1.300.0090.00017.91
8.1.290.0060.00330.84
8.1.280.0060.00925.92
8.1.270.0040.00423.99
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0050.00322.20
8.1.230.0110.00020.89
8.1.220.0000.00817.74
8.1.210.0030.00618.77
8.1.200.0080.00017.22
8.1.190.0000.00917.22
8.1.180.0000.00818.10
8.1.170.0040.00417.62
8.1.160.0030.00620.41
8.1.150.0080.00018.45
8.1.140.0000.00717.27
8.1.130.0070.00018.76
8.1.120.0050.00517.32
8.1.110.0030.00417.30
8.1.100.0000.00717.34
8.1.90.0030.00317.37
8.1.80.0040.00417.28
8.1.70.0030.00317.30
8.1.60.0030.00517.51
8.1.50.0030.00617.39
8.1.40.0180.00417.37
8.1.30.0050.00517.57
8.1.20.0260.00317.48
8.1.10.0250.00317.38
8.1.00.0250.00417.32
8.0.300.0000.00720.16
8.0.290.0030.00516.58
8.0.280.0030.00318.22
8.0.270.0040.00416.75
8.0.260.0000.00618.31
8.0.250.0070.00016.89
8.0.240.0000.00716.82
8.0.230.0070.00316.82
8.0.220.0000.00716.77
8.0.210.0030.00316.80
8.0.200.0000.00716.88
8.0.190.0000.00716.70
8.0.180.0070.00016.74
8.0.170.0060.00316.79
8.0.160.0200.00316.69
8.0.150.0150.00816.72
8.0.140.0170.00816.66
8.0.130.0220.00316.85
8.0.120.0230.00016.73
8.0.110.0120.00916.75
8.0.100.0200.00316.66
8.0.90.0180.00716.81
8.0.80.0180.00516.64
8.0.70.0200.00416.57
8.0.60.0220.00316.75
8.0.50.0170.00716.71
8.0.30.0180.00916.57
8.0.20.0240.00016.81
8.0.10.0180.00816.78
7.4.330.0050.00015.55
7.4.320.0000.00716.42
7.4.300.0060.00016.36
7.4.290.0050.00216.28
7.4.280.0210.00016.34
7.4.270.0270.00016.36
7.4.260.0180.00816.32
7.4.250.0220.00616.46
7.4.240.0140.00916.34
7.4.230.0180.00816.45
7.4.220.0130.00916.43
7.4.210.0050.00816.36
7.4.200.0160.00616.23
7.4.190.0200.00716.43
7.4.180.0130.00516.41
7.4.160.0220.00016.40
7.4.150.0160.00916.36
7.4.140.0110.01416.32
7.4.130.0170.00716.11
7.4.120.0220.00016.34
7.4.110.0190.00716.27
7.4.100.0240.00016.39
7.4.90.0180.00616.40
7.4.80.0220.00316.11
7.4.70.0200.00416.24
7.4.60.0180.00716.12
7.4.50.0190.00616.27
7.4.40.0220.00416.17
7.4.30.0240.00416.21
7.4.20.0190.00616.26
7.4.10.0120.01016.25
7.4.00.0180.00516.30

preferences:
37.05 ms | 403 KiB | 5 Q