3v4l.org

run code in 300+ PHP versions simultaneously
<?php $flat = ['a', 'b', 'c']; $treeish = ['a', 'b' => ['x', 'y', 'z'], 'c']; $count_my_leafs = ['a' => ['uni', 'doni'], 'b' => ['trini'], 'c' => ['pani', 'is', 'pis', 'conopis']]; echo 'count($flat): ' . count($flat) . PHP_EOL; echo 'count($flat, 1): ' . count($flat, 1) . PHP_EOL; echo 'count($treeish): ' . count($treeish) . PHP_EOL; echo 'count($treeish, 1): ' . count($treeish, 1) . PHP_EOL; echo 'count($count_my_leafs, 1) - count($count_my_leafs): ' . (count($count_my_leafs, 1) - count($count_my_leafs)) . PHP_EOL;

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)
8.3.60.0070.00716.50
8.3.50.0100.01021.94
8.3.40.0040.01118.72
8.3.30.0100.00318.78
8.3.20.0000.00820.34
8.3.10.0000.00823.56
8.3.00.0080.00019.10
8.2.180.0100.00718.41
8.2.170.0040.01122.96
8.2.160.0030.01020.44
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0040.01119.36
8.2.110.0090.00019.33
8.2.100.0060.00617.50
8.2.90.0040.00419.17
8.2.80.0050.00517.97
8.2.70.0070.00317.13
8.2.60.0040.00417.93
8.2.50.0000.00718.07
8.2.40.0030.00619.82
8.2.30.0020.00517.94
8.2.20.0040.00417.70
8.2.10.0000.00818.16
8.2.00.0040.00417.66
8.1.280.0100.01025.92
8.1.270.0050.00318.88
8.1.260.0070.00026.35
8.1.250.0070.00028.09
8.1.240.0060.00323.83
8.1.230.0090.00317.77
8.1.220.0080.00017.74
8.1.210.0040.00418.77
8.1.200.0030.00617.35
8.1.190.0030.00617.13
8.1.180.0040.00418.10
8.1.170.0000.00719.01
8.1.160.0070.00022.03
8.1.150.0030.00618.80
8.1.140.0050.00317.39
8.1.130.0000.00817.83
8.1.120.0030.00317.45
8.1.110.0040.00417.46
8.1.100.0040.00417.45
8.1.90.0040.00417.43
8.1.80.0040.00417.50
8.1.70.0040.00417.45
8.1.60.0080.00017.47
8.1.50.0040.00417.43
8.1.40.0070.00317.52
8.1.30.0030.00517.64
8.1.20.0030.00617.68
8.1.10.0030.00617.49
8.1.00.0060.00617.42
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0050.00218.32
8.0.270.0000.00717.25
8.0.260.0040.00417.25
8.0.250.0070.00016.88
8.0.240.0030.00317.00
8.0.230.0030.00316.97
8.0.220.0030.00316.77
8.0.210.0040.00416.77
8.0.200.0000.00716.93
8.0.190.0050.00216.99
8.0.180.0000.00816.92
8.0.170.0040.00416.84
8.0.160.0000.00716.93
8.0.150.0070.00016.95
8.0.140.0000.01016.82
8.0.130.0070.00013.32
8.0.120.0040.00416.95
8.0.110.0000.00716.86
8.0.100.0040.00416.67
8.0.90.0050.00216.76
8.0.80.0130.00616.94
8.0.70.0000.00716.96
8.0.60.0040.00416.84
8.0.50.0030.00517.00
8.0.30.0120.00917.20
8.0.20.0080.01317.40
8.0.10.0040.00416.88
8.0.00.0070.01016.78
7.4.330.0000.00615.07
7.4.320.0000.00616.52
7.4.300.0000.00616.52
7.4.290.0080.00016.55
7.4.280.0040.00416.61
7.4.270.0030.00516.64
7.4.260.0040.00416.47
7.4.250.0070.00016.52
7.4.240.0030.00416.51
7.4.230.0070.00016.41
7.4.220.0090.01016.47
7.4.210.0110.01116.68
7.4.200.0030.00316.55
7.4.160.0070.01016.50
7.4.150.0200.00617.40
7.4.140.0110.00717.86
7.4.130.0100.00916.47
7.4.120.0080.00816.38
7.4.110.0070.01716.58
7.4.100.0090.00916.53
7.4.90.0070.01016.53
7.4.80.0070.01019.39
7.4.70.0110.00816.54
7.4.60.0130.00316.53
7.4.50.0000.00816.55
7.4.40.0130.00316.31
7.4.30.0090.00916.56
7.4.00.0060.01014.97
7.3.330.0030.00313.25
7.3.320.0120.00013.12
7.3.310.0070.00016.36
7.3.300.0030.00316.30
7.3.290.0090.00716.26
7.3.280.0070.00916.28
7.3.270.0130.00317.40
7.3.260.0100.00616.49
7.3.250.0090.00816.37
7.3.240.0120.00916.31
7.3.230.0060.01116.48
7.3.210.0100.00716.60
7.3.200.0160.00019.39
7.3.190.0110.00416.30
7.3.180.0050.01516.27
7.3.170.0090.00916.28
7.3.160.0070.01016.39
7.2.330.0000.01716.79
7.2.320.0070.01016.81
7.2.310.0100.00616.69
7.2.300.0070.01016.61
7.2.290.0130.00916.48
7.1.70.0030.00617.21
7.1.60.0140.01019.50
7.1.50.0090.01316.55
7.1.00.0070.07022.54
7.0.200.0220.00416.45
7.0.140.0030.03721.92
7.0.60.0200.06720.01
7.0.50.0070.06717.88
7.0.40.0070.07320.23
7.0.30.0200.06320.17
7.0.20.0300.03720.04
7.0.10.0200.07020.02
7.0.00.0070.08720.29
5.6.280.0030.07320.91
5.6.210.0130.07720.71
5.6.200.0100.08018.12
5.6.190.0100.07720.77
5.6.180.0230.04320.54
5.6.170.0100.04720.47
5.6.160.0030.04020.50
5.6.150.0030.04718.09
5.6.140.0030.03718.08
5.6.130.0130.05718.27
5.6.120.0030.04720.97
5.6.110.0070.08321.00
5.6.100.0100.06321.04
5.6.90.0000.04320.99
5.6.80.0030.04320.35
5.6.70.0230.07720.39
5.5.350.0270.06720.44
5.5.340.0100.05717.88
5.5.330.0100.05020.07
5.5.320.0030.06320.21
5.5.310.0330.06320.28
5.5.300.0070.06717.91
5.5.290.0070.07718.02
5.5.280.0100.05320.80
5.5.270.0030.04720.84
5.5.260.0030.04020.64
5.5.250.0070.08020.68
5.5.240.0030.05320.16
5.4.450.0670.05319.11
5.4.440.0830.05319.61
5.4.430.1030.06719.63
5.4.420.0870.05319.48
5.4.410.0870.04719.28
5.4.400.0300.08018.60
5.4.390.0300.06018.47
5.4.380.0300.07718.52
5.4.370.0330.05718.61
5.4.360.0330.07018.64
5.4.350.0470.06318.56
5.4.340.0300.07718.51
5.4.320.0570.06018.50
5.4.310.0270.05018.52
5.4.300.0330.07018.49
5.4.290.0370.05318.63
5.4.280.0230.05318.68
5.4.270.0270.06018.71
5.4.260.0430.05718.67
5.4.250.0330.06718.71
5.4.240.0270.06018.71
5.4.230.0230.07018.72
5.4.220.0370.05718.64
5.4.210.0300.05318.45
5.4.200.0270.05716.51
5.4.190.0270.05018.59
5.4.180.0230.05718.70
5.4.170.0300.05318.72
5.4.160.0300.05018.62
5.4.150.0230.07318.69
5.4.140.0300.05316.07
5.4.130.0230.05716.27
5.4.120.0370.04716.18
5.4.110.0300.05016.07
5.4.100.0270.06016.23
5.4.90.0400.04716.31
5.4.80.0370.04716.33
5.4.70.0300.04716.25
5.4.60.0370.04316.29
5.4.50.0230.05016.18
5.4.40.0200.06716.31
5.4.30.0300.05016.16
5.4.20.0230.05016.19
5.4.10.0270.04716.13
5.4.00.0270.04715.54
5.3.290.0230.05714.60
5.3.280.0230.05314.68
5.3.270.0170.06714.65
5.3.260.0230.05714.54
5.3.250.0370.05714.52
5.3.240.0200.06314.70
5.3.230.0270.05314.69
5.3.220.0400.05314.53
5.3.210.0270.05314.46
5.3.200.0230.05014.66
5.3.190.0230.05714.65
5.3.180.0430.04714.56
5.3.170.0330.06014.49
5.3.160.0230.05314.55
5.3.150.0230.05714.54
5.3.140.0330.05314.55
5.3.130.0170.06314.50
5.3.120.0270.06014.54
5.3.110.0270.05314.44
5.3.100.1770.04314.02
5.3.90.0200.05314.07
5.3.80.0230.05313.90
5.3.70.0270.04314.00
5.3.60.0130.05714.00
5.3.50.0200.05714.05
5.3.40.0300.05013.92
5.3.30.0370.04013.89
5.3.20.0300.05013.62
5.3.10.0400.04713.73
5.3.00.0330.04313.55
5.2.170.0200.05311.16
5.2.160.0100.05011.10
5.2.150.0100.04711.28
5.2.140.0130.04711.31
5.2.130.0200.04311.01
5.2.120.0230.05311.16
5.2.110.0200.04011.23
5.2.100.0200.04011.14
5.2.90.0130.05011.26
5.2.80.0330.04711.14
5.2.70.0200.05711.14
5.2.60.0270.05011.02
5.2.50.0270.05010.97
5.2.40.0170.03710.94
5.2.30.0170.04011.03
5.2.20.0170.04011.00
5.2.10.0100.04710.84
5.2.00.0170.04310.85
5.1.60.0130.03710.02
5.1.50.0170.04310.11
5.1.40.0170.0309.95
5.1.30.0130.03710.45
5.1.20.0130.05010.33
5.1.10.0100.04010.04
5.1.00.0200.03010.16
5.0.50.0100.0278.52
5.0.40.0170.0238.47
5.0.30.0170.0378.27
5.0.20.0170.0278.39
5.0.10.0070.0338.36
5.0.00.0030.0478.36
4.4.90.0070.0235.89
4.4.80.0100.0205.91
4.4.70.0070.0275.91
4.4.60.0130.0235.91
4.4.50.0100.0235.91
4.4.40.0130.0305.90
4.4.30.0030.0235.89
4.4.20.0130.0176.02
4.4.10.0070.0235.93
4.4.00.0070.0375.95
4.3.110.0070.0235.81
4.3.100.0100.0305.84
4.3.90.0070.0205.82
4.3.80.0070.0375.82
4.3.70.0130.0175.82
4.3.60.0130.0275.88
4.3.50.0030.0275.79
4.3.40.0070.0375.79
4.3.30.0070.0234.54
4.3.20.0100.0174.53
4.3.10.0130.0304.48
4.3.00.0130.0206.90

preferences:
46.11 ms | 401 KiB | 5 Q