3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr=array( 'key1'=>'value1', 'key2'=>'value2', 0=>array( 'sub1_key1'=>'sub1_value1', 'sub1_key2'=>'sub1_value2', ), 'key3'=>array( 'sub2_key1'=>'sub2_value1', 'sub2_key2'=>'sub2_value2', ), ); $result = call_user_func_array('array_merge', $arr); print_r($result);

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)
8.3.60.0140.00318.55
8.3.50.0090.01121.14
8.3.40.0100.01018.97
8.3.30.0030.01019.22
8.3.20.0080.00020.35
8.3.10.0080.00022.09
8.3.00.0050.00322.44
8.2.180.0080.00818.41
8.2.170.0090.00622.96
8.2.160.0040.01119.29
8.2.150.0050.00324.18
8.2.140.0080.00824.66
8.2.130.0060.00926.16
8.2.120.0070.00317.63
8.2.110.0030.00720.57
8.2.100.0050.00519.39
8.2.90.0060.00319.08
8.2.80.0050.00318.04
8.2.70.0040.00417.50
8.2.60.0040.00417.80
8.2.50.0040.00418.07
8.2.40.0060.00318.09
8.2.30.0040.00418.09
8.2.20.0000.00817.65
8.2.10.0080.00017.74
8.2.00.0070.00317.66
8.1.280.0100.00325.92
8.1.270.0040.00421.99
8.1.260.0050.00326.35
8.1.250.0030.00528.09
8.1.240.0060.00323.97
8.1.230.0060.00619.21
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0030.00617.22
8.1.190.0040.00417.39
8.1.180.0080.00018.60
8.1.170.0040.00418.52
8.1.160.0050.00222.01
8.1.150.0070.00018.57
8.1.140.0000.00717.35
8.1.130.0000.00717.74
8.1.120.0030.00417.30
8.1.110.0030.00517.41
8.1.100.0040.00417.38
8.1.90.0030.00317.41
8.1.80.0000.00717.36
8.1.70.0080.00017.41
8.1.60.0050.00517.52
8.1.50.0050.00217.41
8.1.40.0040.00417.42
8.1.30.0070.00017.52
8.1.20.0050.00317.72
8.1.10.0040.00417.49
8.1.00.0040.00417.39
8.0.300.0030.00318.77
8.0.290.0060.00317.04
8.0.280.0070.00018.29
8.0.270.0000.00717.20
8.0.260.0000.00616.87
8.0.250.0000.00716.97
8.0.240.0090.00016.98
8.0.230.0000.00716.95
8.0.220.0070.00016.88
8.0.210.0050.00216.79
8.0.200.0030.00316.86
8.0.190.0030.00616.96
8.0.180.0030.00516.91
8.0.170.0000.00716.94
8.0.160.0040.00416.85
8.0.150.0070.00016.86
8.0.140.0000.00916.89
8.0.130.0030.00313.30
8.0.120.0030.00516.89
8.0.110.0040.00416.79
8.0.100.0050.00216.93
8.0.90.0040.00416.79
8.0.80.0100.01016.84
8.0.70.0000.00716.92
8.0.60.0080.00016.78
8.0.50.0000.00816.77
8.0.30.0090.00917.06
8.0.20.0120.00817.40
8.0.10.0040.00417.08
8.0.00.0110.01116.76
7.4.330.0000.00515.00
7.4.320.0040.00416.44
7.4.300.0030.00316.46
7.4.290.0070.00016.46
7.4.280.0040.00416.46
7.4.270.0040.00416.44
7.4.260.0030.00316.32
7.4.250.0040.00416.48
7.4.240.0030.00416.51
7.4.230.0000.00716.64
7.4.220.0110.00616.54
7.4.210.0060.00816.46
7.4.200.0000.00716.47
7.4.190.0000.00716.50
7.4.160.0120.00316.29
7.4.150.0140.01017.40
7.4.140.0080.00917.86
7.4.130.0100.00616.49
7.4.120.0050.01516.40
7.4.110.0110.00616.55
7.4.100.0110.00716.46
7.4.90.0060.00916.40
7.4.80.0140.00419.39
7.4.70.0090.00916.16
7.4.60.0100.00616.44
7.4.50.0000.00816.12
7.4.40.0110.00422.77
7.4.30.0050.01116.41
7.4.00.0060.00914.63
7.3.330.0030.00312.95
7.3.320.0030.00313.09
7.3.310.0000.00716.14
7.3.300.0000.00616.15
7.3.290.0080.00816.21
7.3.280.0070.01116.20
7.3.270.0140.00317.40
7.3.260.0100.00716.20
7.3.250.0120.00516.31
7.3.240.0040.01316.47
7.3.230.0160.00316.39
7.3.210.0100.01016.18
7.3.200.0040.01619.39
7.3.190.0110.00716.34
7.3.180.0130.00316.52
7.3.170.0140.00716.31
7.3.160.0120.00316.46
7.3.120.0040.01114.74
7.2.330.0170.00016.57
7.2.320.0150.00716.54
7.2.310.0070.01416.36
7.2.300.0140.00716.50
7.2.290.0110.00516.46
7.2.00.0030.00719.22
7.1.100.0030.01317.86
7.1.70.0040.00417.09
7.1.60.0110.01419.82
7.1.50.0100.01316.97
7.1.00.0030.06722.34
7.0.200.0040.00416.34
7.0.140.0000.07722.04
7.0.60.0100.03320.03
7.0.50.0100.07317.66
7.0.40.0130.08720.04
7.0.30.0330.07020.09
7.0.20.0300.08020.32
7.0.10.0130.08020.30
7.0.00.0070.07020.29
5.6.280.0070.07020.91
5.6.210.0100.08320.44
5.6.200.0070.03718.12
5.6.190.0200.07020.41
5.6.180.0200.08020.35
5.6.170.0270.06020.62
5.6.160.0070.05020.52
5.6.150.0070.04018.21
5.6.140.0170.07318.21
5.6.130.0070.08018.11
5.6.120.0170.08021.09
5.6.110.0130.07721.13
5.6.100.0200.06320.95
5.6.90.0170.08020.96
5.6.80.0070.07020.38
5.5.350.0000.04020.44
5.5.340.0100.07717.96
5.5.330.0130.07720.37
5.5.320.0330.07320.28
5.5.310.0130.04320.50
5.5.300.0030.08318.02
5.5.290.0030.07717.87
5.5.280.0130.07720.73
5.5.270.0030.08020.87
5.5.260.0070.07320.76
5.5.250.0100.07020.62
5.5.240.0300.06720.27
5.4.450.0870.04019.42
5.4.440.0930.04719.09
5.4.430.0400.03019.41
5.4.420.0400.04319.40
5.4.410.0400.03319.00
5.4.400.0870.03718.92
5.4.390.0300.04719.16
5.4.380.0230.05718.58
5.4.370.0230.04718.59
5.4.360.0170.05318.68
5.4.350.0130.05718.59
5.4.340.0130.06018.61
5.4.320.0070.03912.46
5.4.310.0050.04012.45
5.4.300.0070.03912.45
5.4.290.0080.03512.45
5.4.280.0100.03412.35
5.4.270.0060.03612.35
5.4.260.0130.05319.00
5.4.250.0170.05318.74
5.4.240.0070.07018.89
5.4.230.0070.06018.73
5.4.220.0130.06718.68
5.4.210.0200.07318.74
5.4.200.0200.06719.03
5.4.190.0130.05018.77
5.4.180.0130.07018.99
5.4.170.0030.07718.79
5.4.160.0100.05318.76
5.4.150.0230.04718.71
5.4.140.0070.07316.53
5.4.130.0130.04316.28
5.4.120.0070.05016.45
5.4.110.0130.04716.36
5.4.100.0270.04016.21
5.4.90.0130.04716.23
5.4.80.0030.06316.49
5.4.70.0100.07016.34
5.4.60.0130.06016.47
5.4.50.0070.05016.46
5.4.40.0030.07316.56
5.4.30.0070.05716.40
5.4.20.0200.04316.31
5.4.10.0200.04316.16
5.4.00.0100.05015.71
5.3.290.0050.03912.80
5.3.280.0070.06014.59
5.3.270.0070.08014.60
5.3.260.0100.05314.30
5.3.250.0000.10314.63
5.3.240.0100.04714.62
5.3.230.0100.05014.30
5.3.220.0070.05714.56
5.3.210.0130.06014.56
5.3.200.0100.06014.34
5.3.190.0070.05314.58
5.3.180.0200.06014.58
5.3.170.0170.04714.55
5.3.160.0170.06314.53
5.3.150.0170.06014.57
5.3.140.0130.05014.47
5.3.130.0070.07314.70
5.3.120.0130.05314.55
5.3.110.0170.06014.43
5.3.100.0100.04714.05
5.3.90.0100.05714.06
5.3.80.0170.04714.03
5.3.70.0230.04013.73
5.3.60.0000.05713.99
5.3.50.0130.04313.71
5.3.40.0200.04014.09
5.3.30.0100.04313.68
5.3.20.0200.03713.54
5.3.10.0100.04713.35
5.3.00.0100.07713.63
5.2.170.0030.04311.16
5.2.160.0100.03311.14
5.2.150.0100.04711.06
5.2.140.0070.04011.05
5.2.130.0070.04711.10
5.2.120.0100.04710.86
5.2.110.0100.04711.11
5.2.100.0000.04311.11
5.2.90.0070.04310.86
5.2.80.0130.03311.10
5.2.70.0070.04011.11
5.2.60.0100.03710.98
5.2.50.0030.04311.01
5.2.40.0100.05310.75
5.2.30.0170.05011.08
5.2.20.0070.05310.85
5.2.10.0030.03711.02
5.2.00.0100.03710.62
5.1.60.0100.03010.14
5.1.50.0130.02710.14
5.1.40.0100.04010.02
5.1.30.0070.04710.40
5.1.20.0130.04310.42
5.1.10.0100.03710.25
5.1.00.0100.04310.09
5.0.50.0100.0238.46
5.0.40.0030.0278.47
5.0.30.0030.0478.27
5.0.20.0070.0338.25
5.0.10.0030.0308.22
5.0.00.0030.0438.13
4.4.90.0070.0277.47
4.4.80.0030.0237.47
4.4.70.0070.0207.47
4.4.60.0000.0277.47
4.4.50.0100.0137.47
4.4.40.0070.0407.47
4.4.30.0000.0307.47
4.4.20.0030.0277.47
4.4.10.0030.0237.47
4.4.00.0030.0377.47
4.3.110.0030.0207.47
4.3.100.0100.0137.47
4.3.90.0030.0237.47
4.3.80.0030.0407.47
4.3.70.0070.0177.47
4.3.60.0000.0237.47
4.3.50.0070.0277.47
4.3.40.0000.0477.47
4.3.30.0000.0307.47
4.3.20.0030.0237.47
4.3.10.0000.0337.47
4.3.00.0130.00713.16

preferences:
47.28 ms | 401 KiB | 5 Q