3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arrays = array( array('one', 'two', 'three' ),array('four', 'five', 'six' ),array('seven', 'eight', 'nine' ), array('one', 'two', 'three' ),array('four', 'five', 'six' ),array('seven', 'eight', 'nine' ), array('one', 'two', 'three' ),array('four', 'five', 'six' ),array('seven', 'eight', 'nine' ), array('one', 'two', 'three' ),array('four', 'five', 'six' ),array('seven', 'eight', 'nine' ), array('one', 'two', 'three' ),array('four', 'five', 'six' ),array('seven', 'eight', 'nine' ), array('one', 'two', 'three' ),array('four', 'five', 'six' ),array('seven', 'eight', 'nine' ), array('one', 'two', 'three' ),array('four', 'five', 'six' ),array('seven', 'eight', 'nine' ), array('one', 'two', 'three' ),array('four', 'five', 'six' ),array('seven', 'eight', 'nine' ), array('one', 'two', 'three' ),array('four', 'five', 'six' ),array('seven', 'eight', 'nine' ), array('one', 'two', 'three' ),array('four', 'five', 'six' ),array('seven', 'eight', 'nine' ), array('one', 'two', 'three' ),array('four', 'five', 'six' ),array('seven', 'eight', 'nine' ), array('one', 'two', 'three' ),array('four', 'five', 'six' ),array('seven', 'eight', 'nine' ), array('one', 'two', 'three' ),array('four', 'five', 'six' ),array('seven', 'eight', 'nine' ), array('one', 'two', 'three' ),array('four', 'five', 'six' ),array('seven', 'eight', 'nine' ), array('one', 'two', 'three' ),array('four', 'five', 'six' ),array('seven', 'eight', 'nine' ), array('one', 'two', 'three' ),array('four', 'five', 'six' ),array('seven', 'eight', 'nine' ), array('one', 'two', 'three' ),array('four', 'five', 'six' ),array('seven', 'eight', 'nine' ), array('one', 'two', 'three' ),array('four', 'five', 'six' ),array('seven', 'eight', 'nine' ), array('one', 'two', 'three' ),array('four', 'five', 'six' ),array('seven', 'eight', 'nine' ), array('one', 'two', 'three' ),array('four', 'five', 'six' ),array('seven', 'eight', 'nine' ), array('one', 'two', 'three' ),array('four', 'five', 'six' ),array('seven', 'eight', 'nine' ), ); $result = array_reduce($arrays, 'array_merge', array()); //$result = call_user_func_array('array_merge', $arrays);

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)
8.3.60.0000.01516.24
8.3.50.0130.00922.89
8.3.40.0180.00018.75
8.3.30.0170.00018.95
8.3.20.0070.00020.29
8.3.10.0070.00023.48
8.3.00.0040.00419.13
8.2.180.0130.00318.18
8.2.170.0070.00722.96
8.2.160.0090.00620.57
8.2.150.0070.00024.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0070.00021.16
8.2.110.0060.00322.01
8.2.100.0090.00317.84
8.2.90.0040.00417.78
8.2.80.0040.00418.03
8.2.70.0030.00617.63
8.2.60.0080.00017.38
8.2.50.0000.00817.55
8.2.40.0090.00018.09
8.2.30.0000.00717.93
8.2.20.0000.00717.63
8.2.10.0000.00818.16
8.2.00.0040.00417.77
8.1.280.0110.00725.92
8.1.270.0040.00423.92
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0120.00421.99
8.1.230.0040.00822.57
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0030.00617.38
8.1.190.0000.00817.35
8.1.180.0080.00018.10
8.1.170.0060.00318.59
8.1.160.0070.00021.84
8.1.150.0040.00418.87
8.1.140.0030.00517.43
8.1.130.0030.00317.82
8.1.120.0050.00217.46
8.1.110.0000.00817.41
8.1.100.0070.00317.37
8.1.90.0040.00417.39
8.1.80.0030.00617.44
8.1.70.0000.00817.34
8.1.60.0000.00917.61
8.1.50.0040.00417.57
8.1.40.0000.00817.54
8.1.30.0080.00017.57
8.1.20.0000.00717.57
8.1.10.0080.00017.48
8.1.00.0040.00417.39
8.0.300.0000.00819.83
8.0.290.0040.00416.63
8.0.280.0000.00818.38
8.0.270.0070.00017.14
8.0.260.0000.00717.16
8.0.250.0030.00316.96
8.0.240.0040.00416.90
8.0.230.0040.00416.95
8.0.220.0000.00716.79
8.0.210.0030.00316.87
8.0.200.0030.00316.89
8.0.190.0050.00216.93
8.0.180.0080.00016.85
8.0.170.0040.00416.91
8.0.160.0080.00016.92
8.0.150.0050.00316.75
8.0.140.0050.00316.66
8.0.130.0000.00613.34
8.0.120.0040.00416.88
8.0.110.0020.00516.82
8.0.100.0040.00416.76
8.0.90.0040.00416.77
8.0.80.0090.00916.88
8.0.70.0040.00416.70
8.0.60.0000.00816.94
8.0.50.0000.00716.66
8.0.30.0080.01017.08
8.0.20.0120.01017.40
8.0.10.0040.00416.93
8.0.00.0090.00816.82
7.4.330.0040.00315.00
7.4.320.0000.00616.59
7.4.300.0030.00316.58
7.4.290.0050.00216.48
7.4.280.0050.00316.42
7.4.270.0070.00016.48
7.4.260.0040.00416.46
7.4.250.0080.00016.50
7.4.240.0000.00716.54
7.4.230.0030.00316.55
7.4.220.0080.00816.49
7.4.210.0090.00616.61
7.4.200.0030.00316.68
7.4.160.0140.00716.31
7.4.150.0110.00517.40
7.4.140.0100.00717.86
7.4.130.0050.01116.39
7.4.120.0050.01216.33
7.4.110.0090.00616.29
7.4.100.0030.01516.32
7.4.90.0110.01116.36
7.4.80.0040.01319.39
7.4.70.0040.01416.44
7.4.60.0070.01416.38
7.4.50.0060.00316.39
7.4.40.0130.01016.44
7.4.30.0030.01316.18
7.4.00.0040.01414.65
7.3.330.0000.00612.94
7.3.320.0040.00313.09
7.3.310.0040.00416.27
7.3.300.0030.00316.15
7.3.290.0140.00016.21
7.3.280.0100.00616.19
7.3.270.0110.00717.40
7.3.260.0120.00616.38
7.3.250.0100.00816.37
7.3.240.0200.00316.44
7.3.230.0130.00316.52
7.3.210.0100.01016.28
7.3.200.0100.00719.39
7.3.190.0070.01416.32
7.3.180.0070.01316.22
7.3.170.0060.01216.27
7.3.160.0040.01216.13
7.2.330.0100.00716.64
7.2.320.0130.00316.30
7.2.310.0100.00716.28
7.2.300.0120.00616.30
7.2.290.0090.01516.55
7.2.60.0040.01116.61
7.2.00.0120.00319.30
7.1.200.0060.00315.50
7.1.100.0330.00717.59
7.1.70.0040.00417.23
7.1.60.0130.01319.46
7.1.50.0140.01016.91
7.1.00.0000.07722.54
7.0.200.0030.00616.59
7.0.140.0030.07322.09
7.0.60.0130.08019.89
7.0.50.0100.07317.92
7.0.40.0170.04020.12
7.0.30.0230.04320.14
7.0.20.0230.04020.29
7.0.10.0030.04320.31
7.0.00.0030.04720.09
5.6.280.0070.07021.07
5.6.210.0070.03720.54
5.6.200.0030.07318.23
5.6.190.0030.04320.33
5.6.180.0300.06720.43
5.6.170.0330.06320.51
5.6.160.0070.08720.50
5.6.150.0070.06018.21
5.6.140.0130.07318.19
5.6.130.0170.07718.12
5.6.120.0070.08721.13
5.6.110.0130.07721.16
5.6.100.0070.08721.02
5.6.90.0000.06721.09
5.6.80.0070.08320.41
5.5.350.0200.07320.41
5.5.340.0100.05318.02
5.5.330.0070.08020.46
5.5.320.0270.05020.50
5.5.310.0270.07720.41
5.5.300.0070.04018.02
5.5.290.0100.08318.00
5.5.280.0170.06720.71
5.5.270.0170.07720.98
5.5.260.0130.07720.96
5.5.250.0000.04320.61
5.5.240.0170.07020.27
5.4.450.0230.08019.46
5.4.440.0300.06019.46
5.4.430.0270.04719.38
5.4.420.0330.06719.18
5.4.410.0300.04319.28
5.4.400.0300.05719.09
5.4.390.0330.07319.07
5.4.380.0330.06019.08
5.4.370.0170.04718.79
5.4.360.0330.07019.25
5.4.350.0200.04318.79
5.4.340.0300.03319.22
5.4.320.0200.04019.05
5.4.310.0370.03319.09
5.4.300.0330.06719.26
5.4.290.0200.04019.16
5.4.280.0330.06718.88
5.4.270.0300.06719.08
5.4.260.0370.04318.88
5.4.250.0230.06019.09
5.4.240.0270.06718.86
5.4.230.0300.03719.08
5.4.220.0400.06319.08
5.4.210.0200.04719.07
5.4.200.0230.03719.05
5.4.190.0230.04019.07
5.4.180.0300.04719.07
5.4.170.0270.03718.89
5.4.160.0200.08019.15
5.4.150.0400.06718.91
5.4.140.0330.05016.31
5.4.130.0200.04016.45
5.4.120.0230.05016.59
5.4.110.0370.03716.27
5.4.100.0270.07016.48
5.4.90.0300.06716.36
5.4.80.0270.04316.43
5.4.70.0270.06316.43
5.4.60.0270.04316.41
5.4.50.0230.04316.49
5.4.40.0170.05716.25
5.4.30.0170.04716.48
5.4.20.0230.03316.21
5.4.10.0230.03016.41
5.4.00.0200.03715.86
5.3.290.0170.08314.76
5.3.280.0270.06714.63
5.3.270.0230.03714.68
5.3.260.0300.04314.57
5.3.250.0300.07314.68
5.3.240.0270.06314.59
5.3.230.0330.06714.70
5.3.220.0370.06014.54
5.3.210.0270.07314.56
5.3.200.0200.04314.74
5.3.190.0300.07014.64
5.3.180.0270.06714.68
5.3.170.0430.05014.60
5.3.160.0270.03714.54
5.3.150.0200.05014.72
5.3.140.0230.04714.64
5.3.130.0130.04314.61
5.3.120.0170.07314.63
5.3.110.0230.04014.57
5.3.100.0200.03314.11
5.3.90.0200.03314.01
5.3.80.0170.03714.10
5.3.70.0230.03314.10
5.3.60.0170.03714.01
5.3.50.0130.04014.01
5.3.40.0200.03713.91
5.3.30.0230.03014.13
5.3.20.0100.04013.67
5.3.10.0200.03013.66
5.3.00.0170.03313.63
5.2.170.0030.03712.43
5.2.160.0070.03712.43
5.2.150.0170.02712.43
5.2.140.0170.04012.43
5.2.130.0100.03012.43
5.2.120.0100.03012.43
5.2.110.0100.03012.43
5.2.100.0070.03312.43
5.2.90.0070.03312.43
5.2.80.0200.02312.43
5.2.70.0070.03712.43
5.2.60.0100.03712.43
5.2.50.0030.03712.43
5.2.40.0070.03312.43
5.2.30.0100.03012.43
5.2.20.0130.02712.43
5.2.10.0100.03012.43
5.2.00.0130.03012.43
5.1.60.0130.02312.43
5.1.50.0070.02712.43
5.1.40.0130.02712.43
5.1.30.0070.03012.43
5.1.20.0100.02712.43
5.1.10.0200.01712.43
5.1.00.0130.02312.43
5.0.50.0030.02312.43
5.0.40.0070.02012.43
5.0.30.0000.03712.43
5.0.20.0070.02012.43
5.0.10.0030.02712.43
5.0.00.0100.04012.43
4.4.90.0100.01012.43
4.4.80.0070.01312.43
4.4.70.0070.01312.43
4.4.60.0000.02012.43
4.4.50.0070.01312.43
4.4.40.0030.02712.43
4.4.30.0030.02012.43
4.4.20.0030.02012.43
4.4.10.0030.01712.43
4.4.00.0030.02712.43
4.3.110.0030.01712.43
4.3.100.0070.01712.43
4.3.90.0070.02012.43
4.3.80.0100.03012.43
4.3.70.0070.01712.43
4.3.60.0070.01712.43
4.3.50.0070.02312.43
4.3.40.0070.03312.43
4.3.30.0070.02012.43
4.3.20.0070.02012.43
4.3.10.0100.02012.43
4.3.00.0030.02712.43

preferences:
52.98 ms | 400 KiB | 5 Q