3v4l.org

run code in 500+ PHP versions simultaneously
<?php $foo = ['foo' => 10]; $bar = ['foo' => 20]; var_dump(array_merge_recursive($foo, $bar)); var_dump(array_replace_recursive($foo, $bar)); $foo = ['foo' => ['bar' => 10]]; $bar = ['foo' => ['bar' => 20]]; var_dump(array_merge_recursive($foo, $bar)); var_dump(array_replace_recursive($foo, $bar));

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)
8.5.90.0110.00616.88
8.5.80.0060.00216.54
8.5.70.0060.00316.64
8.5.60.0120.00516.58
8.5.50.0110.00616.61
8.5.30.0080.01020.22
8.5.20.0080.00921.87
8.5.10.0080.00920.34
8.5.00.0120.00919.84
8.4.240.0040.00619.43
8.4.230.0140.00719.59
8.4.220.0070.00219.33
8.4.210.0110.01219.27
8.4.180.0110.01119.64
8.4.170.0110.01422.05
8.4.160.0030.00723.88
8.4.150.0070.00516.76
8.4.140.0130.00817.64
8.4.130.0130.00717.75
8.4.120.0130.00820.46
8.4.110.0050.00418.64
8.4.100.0050.00417.68
8.4.90.0120.00918.45
8.4.80.0140.00719.36
8.4.70.0060.00217.51
8.4.60.0150.00720.07
8.4.50.0090.01017.64
8.4.40.0140.00717.29
8.4.30.0100.01018.43
8.4.20.0030.01717.82
8.4.10.0080.00817.34
8.3.330.0080.00218.31
8.3.320.0080.00318.29
8.3.310.0090.00318.38
8.3.300.0060.00420.79
8.3.290.0100.00920.82
8.3.280.0140.00918.50
8.3.270.0120.01016.16
8.3.260.0120.00816.52
8.3.250.0090.00818.82
8.3.240.0080.00318.86
8.3.230.0130.00616.37
8.3.220.0150.00317.03
8.3.210.0100.00916.63
8.3.200.0060.00216.34
8.3.190.0070.00318.95
8.3.180.0130.00618.31
8.3.170.0120.00319.04
8.3.160.0030.00616.73
8.3.150.0120.00620.78
8.3.140.0100.00616.38
8.3.130.0090.00918.30
8.3.120.0040.01518.75
8.3.110.0040.00420.94
8.3.100.0070.00324.06
8.3.90.0050.00326.77
8.3.80.0030.00616.75
8.3.70.0070.01116.58
8.3.60.0130.00318.43
8.3.50.0120.00320.00
8.3.40.0060.01318.47
8.3.30.0110.00418.54
8.3.20.0030.00524.18
8.3.10.0050.00324.66
8.3.00.0070.00026.16
8.2.320.0100.01017.87
8.2.310.0120.00717.94
8.2.300.0140.00719.94
8.2.290.0110.00920.24
8.2.280.0140.00718.46
8.2.270.0110.00717.37
8.2.260.0000.00720.22
8.2.250.0040.00416.43
8.2.240.0030.00617.05
8.2.230.0060.00322.58
8.2.220.0030.00637.54
8.2.210.0040.00426.77
8.2.200.0030.00916.50
8.2.190.0120.00318.29
8.2.180.0100.00725.92
8.2.170.0070.00718.76
8.2.160.0030.01022.96
8.2.150.0040.00425.66
8.2.140.0030.00624.66
8.2.130.0080.00026.16
8.2.120.0050.00326.16
8.2.110.0060.00319.18
8.2.100.0110.00417.66
8.2.90.0040.00417.63
8.2.80.0030.00517.97
8.2.70.0000.00917.38
8.2.60.0000.00817.59
8.2.50.0000.00817.98
8.2.40.0000.00818.04
8.2.30.0060.00317.97
8.2.20.0000.00820.43
8.2.10.0040.00417.76
8.2.00.0040.00419.05
8.1.340.0080.01217.45
8.1.330.0100.00922.11
8.1.320.0120.00916.14
8.1.310.0050.00316.87
8.1.300.0070.01115.99
8.1.290.0060.00318.88
8.1.280.0070.00725.92
8.1.270.0040.00423.99
8.1.260.0000.00826.35
8.1.250.0000.00828.09
8.1.240.0060.00322.19
8.1.230.0030.01022.07
8.1.220.0000.00817.74
8.1.210.0030.00618.77
8.1.200.0060.00317.23
8.1.190.0000.00817.10
8.1.180.0050.00518.10
8.1.170.0060.00317.62
8.1.160.0040.00418.82
8.1.150.0040.00418.48
8.1.140.0000.00717.43
8.1.130.0040.00417.38
8.1.120.0040.00317.30
8.1.110.0050.00217.22
8.1.100.0040.00417.38
8.1.90.0040.00417.35
8.1.80.0050.00317.34
8.1.70.0000.00717.40
8.1.60.0040.00417.38
8.1.50.0000.00717.46
8.1.40.0030.00517.48
8.1.30.0030.00617.46
8.1.20.0000.00817.56
8.1.10.0000.00817.26
8.1.00.0040.00417.36
8.0.300.0000.00819.66
8.0.290.0040.00416.58
8.0.280.0030.00618.29
8.0.270.0000.00716.66
8.0.260.0030.00316.77
8.0.250.0030.00716.90
8.0.240.0040.00416.92
8.0.230.0070.00016.83
8.0.220.0040.00416.80
8.0.210.0000.00716.70
8.0.200.0040.00416.76
8.0.190.0030.00616.83
8.0.180.0070.00016.85
8.0.170.0030.00616.84
8.0.160.0070.00016.77
8.0.150.0000.00716.70
8.0.140.0000.00816.60
8.0.130.0070.00016.63
8.0.120.0000.00716.77
8.0.110.0070.00016.74
8.0.100.0070.00016.86
8.0.90.0000.00716.76
8.0.80.0040.00416.79
8.0.70.0040.00416.74
8.0.60.0040.00416.76
8.0.50.0030.00516.65
8.0.30.0040.00416.62
8.0.20.0060.00316.85
8.0.10.0030.00516.92
7.4.330.0000.00515.55
7.4.320.0040.00416.57
7.4.300.0000.00716.57
7.4.290.0000.00716.46
7.4.280.0000.00716.42
7.4.270.0000.00716.48
7.4.260.0040.00416.40
7.4.250.0000.00716.49
7.4.240.0030.00516.44
7.4.230.0070.00016.33
7.4.220.0070.00016.34
7.4.210.0000.00716.43
7.4.200.0040.00416.52
7.4.190.0050.00216.41
7.4.180.0030.00316.38
7.4.160.0030.00316.36
7.4.150.0040.00416.27
7.4.140.0030.00316.39
7.4.130.0020.00516.27
7.4.120.0000.00816.29
7.4.110.0040.00416.21
7.4.100.0040.00416.32
7.4.90.0040.00416.34
7.4.80.0040.00416.19
7.4.70.0040.00416.15
7.4.60.0000.00716.32
7.4.50.0040.00416.08
7.4.40.0040.00416.21
7.4.30.0000.00716.30
7.4.20.0050.00316.29
7.4.10.0030.00316.32
7.4.00.0000.00716.41

preferences:
62.06 ms | 1346 KiB | 5 Q