3v4l.org

run code in 300+ PHP versions simultaneously
<?php $your_array = array(array(1, 2, 'last'), array(3, 4, 'last')); $arr = array(); for($i = 0 ; $i< count($your_array) -1 ; $i++) { for($j = 0 ; $j< count($your_array[$i]) -1 ; $j++) { $arr[] = $your_array[$i][$j]; } } print_r($arr);

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)
8.3.60.0140.00018.43
8.3.50.0140.00221.27
8.3.40.0090.00618.56
8.3.30.0040.01118.64
8.3.20.0060.00318.63
8.3.10.0000.00820.92
8.3.00.0040.00421.94
8.2.180.0110.01116.38
8.2.170.0090.00922.96
8.2.160.0030.01020.38
8.2.150.0080.00024.18
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0040.00421.00
8.2.110.0090.00021.05
8.2.100.0080.00417.78
8.2.90.0000.00719.13
8.2.80.0030.00517.97
8.2.70.0090.00017.38
8.2.60.0040.00417.80
8.2.50.0030.00518.07
8.2.40.0060.00318.14
8.2.30.0020.00521.27
8.2.20.0020.00517.59
8.2.10.0070.00017.73
8.2.00.0000.00717.67
8.1.280.0040.01125.92
8.1.270.0040.00423.99
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0000.00920.91
8.1.230.0090.00320.76
8.1.220.0040.00418.77
8.1.210.0080.00018.96
8.1.200.0080.00017.22
8.1.190.0090.00017.39
8.1.180.0040.00418.10
8.1.170.0040.00418.65
8.1.160.0040.00418.80
8.1.150.0040.00418.64
8.1.140.0030.00617.32
8.1.130.0030.00317.83
8.1.120.0000.00717.36
8.1.110.0000.00817.52
8.1.100.0040.00417.29
8.1.90.0000.00817.52
8.1.80.0040.00417.38
8.1.70.0030.00317.47
8.1.60.0060.00317.60
8.1.50.0030.00517.52
8.1.40.0050.00317.44
8.1.30.0030.00517.62
8.1.20.0080.00017.57
8.1.10.0030.00617.49
8.1.00.0080.00017.46
8.0.300.0080.00319.91
8.0.290.0070.00017.05
8.0.280.0030.00318.29
8.0.270.0000.00717.30
8.0.260.0050.00316.75
8.0.250.0000.00716.87
8.0.240.0000.00716.91
8.0.230.0050.00216.80
8.0.220.0040.00416.82
8.0.210.0000.00716.79
8.0.200.0060.00016.93
8.0.190.0040.00417.00
8.0.180.0000.00816.89
8.0.170.0000.00716.96
8.0.160.0000.00716.91
8.0.150.0040.00416.81
8.0.140.0040.00416.80
8.0.130.0070.00013.38
8.0.120.0030.00316.89
8.0.110.0030.00516.71
8.0.100.0080.00016.84
8.0.90.0070.00016.77
8.0.80.0110.00416.87
8.0.70.0080.00016.76
8.0.60.0040.00416.96
8.0.50.0000.00716.88
8.0.30.0130.00517.07
8.0.20.0140.00817.40
8.0.10.0000.00717.03
8.0.00.0100.00716.77
7.4.330.0060.00014.72
7.4.320.0000.00716.52
7.4.300.0060.00016.57
7.4.290.0000.00716.64
7.4.280.0030.00316.49
7.4.270.0060.00016.50
7.4.260.0000.00613.29
7.4.250.0070.00016.49
7.4.240.0030.00316.50
7.4.230.0030.00516.50
7.4.220.0130.01316.61
7.4.210.0100.00716.54
7.4.200.0030.00316.39
7.4.190.0000.00816.71
7.4.160.0080.00816.50
7.4.150.0170.00017.40
7.4.140.0120.00517.86
7.4.130.0080.00916.52
7.4.120.0160.00216.51
7.4.110.0100.00616.65
7.4.100.0120.00616.55
7.4.90.0090.01516.40
7.4.80.0140.00319.39
7.4.70.0060.00916.36
7.4.60.0030.01916.49
7.4.50.0040.00416.40
7.4.40.0040.01522.77
7.4.30.0050.01016.53
7.4.00.0080.00014.69
7.3.330.0070.00013.08
7.3.320.0050.00013.30
7.3.310.0030.00316.39
7.3.300.0040.00416.36
7.3.290.0110.00416.32
7.3.280.0090.00816.29
7.3.270.0070.01117.40
7.3.260.0070.01018.24
7.3.250.0130.00616.47
7.3.240.0030.01216.45
7.3.230.0110.00416.43
7.3.210.0120.00616.55
7.3.200.0080.01319.39
7.3.190.0090.00716.31
7.3.180.0150.00416.32
7.3.170.0080.00816.27
7.3.160.0060.01516.48
7.3.120.0060.00614.97
7.2.330.0150.00616.57
7.2.320.0150.00616.46
7.2.310.0070.01516.46
7.2.300.0130.00316.81
7.2.290.0100.00716.50
7.2.110.0130.00716.25
7.2.00.0000.01419.21
7.1.100.0150.01516.00
7.1.70.0000.00717.28
7.1.60.0100.01419.40
7.1.50.0120.01216.85
7.1.00.0030.03322.45
7.0.200.0070.00016.78
7.0.140.0070.07022.09
7.0.60.0130.07019.93
7.0.50.0070.06717.89
7.0.40.0100.08320.14
7.0.30.0270.07020.11
7.0.20.0200.06720.07
7.0.10.0070.08020.07
7.0.00.0130.07720.07
5.6.280.0070.07020.89
5.6.210.0000.04320.64
5.6.200.0070.08018.19
5.6.190.0200.05720.77
5.6.180.0400.04020.45
5.6.170.0370.07720.50
5.6.160.0130.03720.52
5.6.150.0070.04318.14
5.6.140.0070.05318.22
5.6.130.0070.07018.14
5.6.120.0170.06021.12
5.6.110.0000.08721.00
5.6.100.0130.08021.08
5.6.90.0070.08721.04
5.6.80.0130.05320.37
5.5.350.0300.07320.33
5.5.340.0100.08017.95
5.5.330.0100.08720.27
5.5.320.0170.06020.29
5.5.310.0400.06320.32
5.5.300.0030.05018.01
5.5.290.0100.07717.96
5.5.280.0100.07720.89
5.5.270.0030.06020.96
5.5.260.0070.03720.96
5.5.250.0030.04320.69
5.5.240.0070.07320.12
5.4.450.0070.07719.18
5.4.440.0130.08019.40
5.4.430.0030.04719.56
5.4.420.0030.08319.47
5.4.410.0070.05019.27
5.4.400.0000.05018.86
5.4.390.0030.04019.11
5.4.380.0030.04019.24
5.4.370.0030.03719.00
5.4.360.0100.07319.24
5.4.350.0030.06719.20
5.4.340.0130.04718.85
5.4.320.0070.07719.24
5.4.310.0070.06019.14
5.4.300.0100.05018.85
5.4.290.0030.05018.84
5.4.280.0000.05718.86
5.4.270.0170.07019.20
5.4.260.0130.06719.08
5.4.250.0030.04319.14
5.4.240.0030.07718.88
5.4.230.0100.04019.14
5.4.220.0070.04719.19
5.4.210.0000.04318.86
5.4.200.0070.06318.84
5.4.190.0130.04018.91
5.4.180.0000.05719.23
5.4.170.0070.08019.11
5.4.160.0000.08018.82
5.4.150.0070.04718.90
5.4.140.0030.06716.54
5.4.130.0100.07016.45
5.4.120.0030.07316.29
5.4.110.0070.04316.34
5.4.100.0030.05316.43
5.4.90.0070.03716.29
5.4.80.0100.05716.29
5.4.70.0030.04716.41
5.4.60.0070.07316.64
5.4.50.0030.05316.38
5.4.40.0070.04316.38
5.4.30.0100.07316.64
5.4.20.0030.05716.38
5.4.10.0230.06016.50
5.4.00.0030.07715.79
5.3.290.0030.07314.67
5.3.280.0000.04314.74
5.3.270.0030.04014.63
5.3.260.0030.05314.75
5.3.250.0030.08014.64
5.3.240.0030.04714.67
5.3.230.0030.08014.62
5.3.220.0070.04714.55
5.3.210.0030.07314.71
5.3.200.0070.07714.72
5.3.190.0000.08014.57
5.3.180.0000.08314.60
5.3.170.0130.04014.63
5.3.160.0070.07014.44
5.3.150.0030.07714.61
5.3.140.0030.04714.47
5.3.130.0070.05314.53
5.3.120.0100.05714.69
5.3.110.0030.04714.54
5.3.100.0100.07014.03
5.3.90.0070.04314.04
5.3.80.0000.04714.07
5.3.70.0000.05714.16
5.3.60.0070.04714.04
5.3.50.0030.04013.98
5.3.40.0030.07713.96
5.3.30.0100.06013.91
5.3.20.0070.04313.73
5.3.10.0000.04713.67
5.3.00.0000.05713.57
5.2.170.0070.06011.15
5.2.160.0030.03011.30
5.2.150.0000.03311.19
5.2.140.0130.05311.19
5.2.130.0100.05010.98
5.2.120.0100.04011.14
5.2.110.0030.03011.13
5.2.100.0030.05011.07
5.2.90.0070.06311.05
5.2.80.0070.06011.09
5.2.70.0100.05711.14
5.2.60.0030.05311.09
5.2.50.0070.03010.96
5.2.40.0000.06710.95
5.2.30.0030.05311.02
5.2.20.0100.06011.10
5.2.10.0030.03010.91
5.2.00.0030.04010.59
5.1.60.0070.05010.05
5.1.50.0030.0509.96
5.1.40.0070.0379.96
5.1.30.0100.02710.29
5.1.20.0000.03010.40
5.1.10.0000.02710.12
5.1.00.0100.02010.03
5.0.50.0030.0208.51
5.0.40.0030.0208.47
5.0.30.0000.0338.37
5.0.20.0000.0208.24
5.0.10.0000.0478.18
5.0.00.0000.0478.13
4.4.90.0070.0307.69
4.4.80.0000.0207.69
4.4.70.0000.0377.69
4.4.60.0030.0337.69
4.4.50.0000.0277.69
4.4.40.0070.0537.69
4.4.30.0030.0207.69
4.4.20.0000.0177.69
4.4.10.0030.0137.69
4.4.00.0000.0277.69
4.3.110.0000.0337.69
4.3.100.0030.0177.69
4.3.90.0000.0177.69
4.3.80.0000.0607.69
4.3.70.0000.0177.69
4.3.60.0000.0207.69
4.3.50.0070.0137.69
4.3.40.0000.0337.69
4.3.30.0030.0277.69
4.3.20.0000.0377.69
4.3.10.0070.0307.69
4.3.00.0000.0207.69

preferences:
43.91 ms | 401 KiB | 5 Q