3v4l.org

run code in 300+ PHP versions simultaneously
<?php $one = [1]; $two = [42]; $arr_1 = ['k' => &$one]; $arr_2 = ['k' => &$two]; var_dump(current($arr1['k']), current($arr2['k'])); array_replace_recursive($arr1, $arr2); var_dump(current($arr1['k']), current($arr2['k']));

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)
8.3.60.0110.00416.75
8.3.50.0090.00921.16
8.3.40.0040.01118.84
8.3.30.0070.00718.55
8.3.20.0050.00220.20
8.3.10.0080.00021.90
8.3.00.0070.00023.55
8.2.180.0070.00716.63
8.2.170.0130.00722.96
8.2.160.0070.01319.29
8.2.150.0030.00624.18
8.2.140.0080.00024.66
8.2.130.0040.00419.83
8.2.120.0040.00426.35
8.2.110.0180.00420.57
8.2.100.0060.00617.90
8.2.90.0000.00819.05
8.2.80.0030.00518.04
8.2.70.0070.00417.63
8.2.60.0100.00018.04
8.2.50.0040.00418.07
8.2.40.0090.00320.37
8.2.30.0070.00019.39
8.2.20.0040.00417.79
8.2.10.0070.00418.07
8.2.00.0000.00718.11
8.1.280.0110.00425.92
8.1.270.0130.00623.97
8.1.260.0040.00428.09
8.1.250.0000.00828.09
8.1.240.0030.00620.89
8.1.230.0080.00319.00
8.1.220.0090.00017.74
8.1.210.0080.00018.77
8.1.200.0050.00517.22
8.1.190.0040.00417.23
8.1.180.0110.00018.10
8.1.170.0030.00618.46
8.1.160.0040.00420.70
8.1.150.0070.00018.73
8.1.140.0050.00319.44
8.1.130.0000.00717.67
8.1.120.0000.00717.43
8.1.110.0050.00217.45
8.1.100.0040.00417.38
8.1.90.0030.00417.41
8.1.80.0000.00817.40
8.1.70.0070.00017.30
8.1.60.0060.00317.52
8.1.50.0040.00417.43
8.1.40.0040.00417.42
8.1.30.0060.00317.63
8.1.20.0000.00717.58
8.1.10.0040.00417.62
8.1.00.0040.00417.52
8.0.300.0040.00418.77
8.0.290.0040.00416.61
8.0.280.0000.00718.41
8.0.270.0000.00717.16
8.0.260.0000.00717.21
8.0.250.0000.00716.86
8.0.240.0070.00016.93
8.0.230.0030.00316.96
8.0.220.0040.00416.86
8.0.210.0030.00316.91
8.0.200.0050.00516.96
8.0.190.0000.00816.96
8.0.180.0030.00716.82
8.0.170.0040.00417.01
8.0.160.0040.00416.80
8.0.150.0000.00716.84
8.0.140.0040.00316.90
8.0.130.0030.00313.39
8.0.120.0030.00516.91
8.0.110.0040.00416.84
8.0.100.0040.00416.83
8.0.90.0040.00416.86
8.0.80.0060.00916.87
8.0.70.0070.00016.96
8.0.60.0000.00716.96
8.0.50.0000.00716.80
8.0.30.0090.00917.00
8.0.20.0110.00717.40
8.0.10.0000.00716.92
8.0.00.0120.00716.77
7.4.330.0060.00016.84
7.4.320.0060.00016.54
7.4.300.0030.00616.45
7.4.290.0030.00316.57
7.4.280.0000.00916.39
7.4.270.0040.00416.53
7.4.260.0000.00716.40
7.4.250.0000.00716.49
7.4.240.0050.00216.53
7.4.230.0060.00016.56
7.4.220.0120.00616.40
7.4.210.0040.01116.49
7.4.200.0000.00716.49
7.4.160.0080.00816.55
7.4.150.0070.01117.40
7.4.140.0090.01317.86
7.4.130.0110.00716.48
7.4.120.0140.00716.47
7.4.110.0040.01416.45
7.4.100.0110.00616.41
7.4.90.0070.01116.47
7.4.80.0140.00319.39
7.4.70.0090.00916.43
7.4.60.0090.01516.28
7.4.50.0080.00416.55
7.4.40.0100.00916.61
7.4.30.0070.01016.66
7.4.00.0090.00614.90
7.3.330.0050.00013.00
7.3.320.0030.00313.11
7.3.310.0000.00716.20
7.3.300.0030.00316.18
7.3.290.0080.01116.32
7.3.280.0080.00916.34
7.3.270.0090.00917.40
7.3.260.0090.01216.42
7.3.250.0100.00916.44
7.3.240.0120.00816.46
7.3.230.0030.01416.39
7.3.210.0070.01016.48
7.3.200.0130.01319.39
7.3.190.0130.01016.60
7.3.180.0030.01216.55
7.3.170.0100.01016.29
7.3.160.0080.00916.70
7.2.330.0160.00016.40
7.2.320.0030.01316.55
7.2.310.0170.00016.61
7.2.300.0120.00616.35
7.2.290.0080.00816.69
7.2.60.0070.01016.96
7.2.00.0040.00419.02
7.1.200.0160.01115.62
7.1.100.0070.00717.85
7.1.70.0030.00717.13
7.1.60.0090.01219.18
7.1.50.0060.00616.96
7.1.00.0000.07722.46
7.0.200.0060.00316.61
7.0.60.0170.08321.66
7.0.50.0100.07017.79
7.0.40.0100.04719.96
7.0.30.0430.08020.45
7.0.20.0170.08320.13
7.0.10.0000.05720.30
7.0.00.0030.04320.16
5.6.280.0030.03020.92
5.6.210.0130.06020.75
5.6.200.0100.05718.22
5.6.190.0100.04720.77
5.6.180.0430.05020.61
5.6.170.0230.07320.50
5.6.160.0100.04020.44
5.6.150.0030.08018.12
5.6.140.0200.03318.21
5.6.130.0070.08718.18
5.6.120.0100.08021.01
5.6.110.0070.06021.13
5.6.100.0070.08321.04
5.6.90.0100.07021.02
5.6.80.0070.06720.44
5.5.350.0230.07720.52
5.5.340.0100.07717.89
5.5.330.0130.07720.57
5.5.320.0330.06720.29
5.5.310.0270.07320.24
5.5.300.0170.06717.91
5.5.290.0070.08318.02
5.5.280.0100.08320.87
5.5.270.0030.04020.95
5.5.260.0170.08020.76
5.5.250.0030.09320.70
5.5.240.0130.07720.02

preferences:
65.61 ms | 401 KiB | 5 Q