3v4l.org

run code in 300+ PHP versions simultaneously
<?php $my_array = ['a','b','c']; $dyn_array = [1, 2, 3]; $num = 2; $result = array_reduce( array_fill(0, $num, $dyn_array), function($carry, $item) { return array_merge($carry, $item); }, $my_array ); print_r($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)
8.3.70.0090.00616.58
8.3.60.0150.00318.56
8.3.50.0120.00616.30
8.3.40.0040.01218.69
8.3.30.0110.00418.68
8.3.20.0040.00418.63
8.3.10.0050.00323.64
8.3.00.0040.00421.69
8.2.190.0150.00418.16
8.2.180.0120.00325.92
8.2.170.0100.00322.96
8.2.160.0030.01019.47
8.2.150.0030.00524.18
8.2.140.0040.00424.66
8.2.130.0040.00421.00
8.2.120.0030.00526.35
8.2.110.0190.00322.24
8.2.100.0030.00917.90
8.2.90.0050.00319.09
8.2.80.0080.00017.97
8.2.70.0000.00817.93
8.2.60.0040.00418.02
8.2.50.0040.00418.10
8.2.40.0040.00419.36
8.2.30.0000.00720.58
8.2.20.0000.01118.03
8.2.10.0070.00018.27
8.2.00.0070.00019.55
8.1.280.0040.01125.92
8.1.270.0040.00723.80
8.1.260.0140.00426.35
8.1.250.0050.00328.09
8.1.240.0050.00520.64
8.1.230.0060.00617.82
8.1.220.0030.00517.74
8.1.210.0060.00318.77
8.1.200.0060.00317.35
8.1.190.0030.00617.35
8.1.180.0000.00818.10
8.1.170.0030.00618.50
8.1.160.0000.00718.89
8.1.150.0030.00318.80
8.1.140.0000.00818.89
8.1.130.0040.00420.26
8.1.120.0090.00017.45
8.1.110.0040.00417.43
8.1.100.0070.00017.47
8.1.90.0080.00017.45
8.1.80.0040.00417.49
8.1.70.0000.00717.36
8.1.60.0030.00617.48
8.1.50.0050.00317.57
8.1.40.0050.00317.40
8.1.30.0000.00717.66
8.1.20.0000.01017.52
8.1.10.0060.00317.43
8.1.00.0040.00417.41
8.0.300.0000.00818.77
8.0.290.0040.00416.75
8.0.280.0030.00718.44
8.0.270.0000.00816.80
8.0.260.0030.00320.17
8.0.250.0030.00316.81
8.0.240.0040.00416.79
8.0.230.0030.00316.90
8.0.220.0000.00616.76
8.0.210.0080.00016.87
8.0.200.0030.00316.91
8.0.190.0000.00716.95
8.0.180.0040.00416.90
8.0.170.0040.00416.79
8.0.160.0000.00816.91
8.0.150.0040.00416.79
8.0.140.0000.00816.79
8.0.130.0030.00313.35
8.0.120.0040.00416.88
8.0.110.0030.00316.95
8.0.100.0000.00816.76
8.0.90.0030.00516.89
8.0.80.0090.00616.89
8.0.70.0000.00716.77
8.0.60.0050.00316.94
8.0.50.0070.00016.71
8.0.30.0060.01117.00
8.0.20.0160.01017.40
8.0.10.0000.00717.05
8.0.00.0090.00816.60
7.4.330.0030.00315.55
7.4.320.0020.00516.52
7.4.300.0030.00316.50
7.4.290.0070.00016.53
7.4.280.0070.00016.50
7.4.270.0000.00716.62
7.4.260.0080.00016.61
7.4.250.0040.00416.42
7.4.240.0040.00416.53
7.4.230.0000.00716.53
7.4.220.0030.00616.47
7.4.210.0120.00516.46
7.4.200.0030.00316.64
7.4.160.0060.00916.53
7.4.140.0090.00917.86
7.4.130.0100.00716.52
7.4.120.0080.01116.39
7.4.110.0070.01016.54
7.4.100.0120.00616.36
7.4.90.0060.01716.36
7.4.80.0140.00419.39
7.4.70.0150.00616.56
7.4.60.0090.00616.48
7.4.50.0060.00916.54
7.4.40.0120.00416.59
7.4.10.0040.01415.06
7.4.00.0120.00514.84
7.3.330.0000.00513.07
7.3.320.0050.00013.10
7.3.310.0070.00016.14
7.3.300.0030.00316.26
7.3.290.0040.00416.10
7.3.280.0110.00416.21
7.3.260.0090.01016.36
7.3.240.0100.00816.29
7.3.230.0080.01516.34
7.3.210.0090.01216.53
7.3.200.0080.00916.28
7.3.190.0100.01016.41
7.3.180.0160.00616.23
7.3.170.0170.00016.47
7.3.160.0150.00416.40
7.3.130.0130.00714.85
7.3.120.0070.01014.73
7.3.110.0070.00714.91
7.3.100.0080.00614.65
7.3.90.0000.01414.84
7.3.80.0070.00814.73
7.3.70.0060.00614.41
7.3.60.0020.01414.77
7.3.50.0070.00714.86
7.3.40.0060.00614.79
7.3.30.0070.00714.43
7.3.20.0030.00916.46
7.3.10.0000.01116.45
7.3.00.0100.00716.52
7.2.330.0130.00316.64
7.2.320.0130.00316.54
7.2.310.0110.01116.45
7.2.300.0090.00916.53
7.2.290.0080.00816.69
7.2.260.0110.00714.63
7.2.250.0060.01014.74
7.2.240.0040.01114.89
7.2.230.0100.00315.01
7.2.220.0070.01015.09
7.2.210.0060.00615.04
7.2.200.0090.00614.89
7.2.190.0070.00715.00
7.2.180.0070.00715.02
7.2.170.0000.01115.05
7.2.160.0090.00314.98
7.2.150.0070.01116.84
7.2.140.0120.00317.00
7.2.130.0100.00716.88
7.2.120.0100.00016.97
7.2.110.0060.01216.58
7.2.100.0100.00616.89
7.2.90.0410.00915.80
7.2.80.0190.00715.72
7.2.70.0180.00815.85
7.2.60.0460.00816.02
7.2.50.0210.00915.86
7.2.40.0230.00715.71
7.2.30.0400.00915.77
7.2.20.0150.00815.85
7.2.10.1210.01115.75
7.2.00.0380.01015.95
7.1.330.0040.00915.58
7.1.320.0070.00715.40
7.1.310.0000.01015.43
7.1.300.0090.00015.71
7.1.290.0000.01315.76
7.1.280.0000.01115.76
7.1.270.0090.00315.86
7.1.260.0040.01215.39
7.1.250.0030.01215.82
7.1.240.0090.00615.50
7.1.230.0070.01015.68
7.1.220.0030.01315.79
7.1.210.0280.00614.79
7.1.200.0090.01114.68
7.1.190.0100.00814.54
7.1.180.0250.00714.82
7.1.170.0170.01014.76
7.1.160.0120.01014.65
7.1.150.0480.00914.84
7.1.140.0070.00814.63
7.1.130.0240.01014.72
7.1.120.0320.00314.70
7.1.110.0190.00614.74
7.1.100.0370.00614.71
7.1.90.0060.01114.50
7.1.80.0470.00514.64
7.1.70.0210.00914.89
7.1.60.0420.00923.54
7.1.50.0410.01423.82
7.1.40.0220.00723.90
7.1.30.0440.01323.72
7.1.20.0240.01023.60
7.1.10.0320.00814.56
7.1.00.0170.00914.62
7.0.330.0050.00515.33
7.0.320.0130.00315.22
7.0.310.0080.00315.43
7.0.300.0080.00515.23
7.0.290.0030.01315.46
7.0.280.0000.01115.47
7.0.270.0120.00315.43
7.0.260.0060.00615.28
7.0.250.0070.00315.13
7.0.240.0040.01115.41
7.0.230.0090.00615.45
7.0.220.0070.00315.32
7.0.210.0030.01015.41
7.0.200.0130.00015.18
7.0.190.0080.00815.32
7.0.180.0100.00715.35
7.0.170.0070.01015.33
7.0.160.0080.00415.41
7.0.150.0090.00315.41
7.0.140.0060.00915.32
7.0.130.0030.01015.47
7.0.120.0030.01015.39
7.0.110.0000.00915.38
7.0.100.0060.00615.46
7.0.90.0000.01115.43
7.0.80.0000.01315.32
7.0.70.0080.00815.43
7.0.60.0000.01415.43
7.0.50.0060.00615.32
7.0.40.0000.01113.32
7.0.30.0100.00313.13
7.0.20.0000.01213.23
7.0.10.0040.00413.48
7.0.00.0100.00713.40
5.6.400.0030.00614.59
5.6.390.0030.01014.49
5.6.380.0060.00613.98
5.6.370.0070.01114.40
5.6.360.0030.01414.11
5.6.350.0000.01514.47
5.6.340.0000.01613.86
5.6.330.0090.00614.47
5.6.320.0070.00714.02
5.6.310.0090.00314.24
5.6.300.0060.00314.23
5.6.290.0060.00914.41
5.6.280.0040.01114.51
5.6.270.0090.00914.02
5.6.260.0000.01214.38
5.6.250.0090.00614.20
5.6.240.0130.00014.30
5.6.230.0080.00814.46
5.6.220.0000.01814.27
5.6.210.0000.01413.98
5.6.200.0040.00714.31
5.6.190.0100.00314.30
5.6.180.0030.00914.28
5.6.170.0080.00413.99
5.6.160.0080.00814.57
5.6.150.0070.00714.46
5.6.140.0040.01114.30
5.6.130.0070.00314.30
5.6.120.0030.00714.23
5.6.110.0000.01514.38
5.6.100.0090.00914.49
5.6.90.0070.01114.16
5.6.80.0000.01214.13
5.6.70.0070.01014.30
5.6.60.0110.00714.15
5.6.50.0070.00714.04
5.6.40.0060.00613.90
5.6.30.0060.00314.30
5.6.20.0030.00714.24
5.6.10.0080.00814.07
5.6.00.0060.00914.08

preferences:
19 ms | 401 KiB | 5 Q