3v4l.org

run code in 300+ PHP versions simultaneously
<?php $flat = ['a', 'b', 'c']; $treeish = ['a', 'b' => ['x', 'y', 'z'], 'c']; echo 'count($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;

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)
8.3.60.0070.00716.62
8.3.50.0120.00618.15
8.3.40.0180.00318.71
8.3.30.0190.00318.92
8.3.20.0050.00320.12
8.3.10.0000.00821.60
8.3.00.0050.00319.38
8.2.180.0090.00618.29
8.2.170.0140.00022.96
8.2.160.0070.01020.48
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0070.00026.16
8.2.120.0040.00419.23
8.2.110.0090.00019.39
8.2.100.0060.00317.75
8.2.90.0030.00519.22
8.2.80.0050.00317.97
8.2.70.0030.00817.50
8.2.60.0040.00418.05
8.2.50.0030.00618.07
8.2.40.0000.00919.88
8.2.30.0000.00718.05
8.2.20.0030.00517.54
8.2.10.0000.00817.95
8.2.00.0000.00717.60
8.1.280.0070.00725.92
8.1.270.0060.00320.60
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0060.00322.01
8.1.230.0070.00417.54
8.1.220.0040.00417.74
8.1.210.0030.00618.77
8.1.200.0060.00317.36
8.1.190.0060.00317.22
8.1.180.0060.00318.10
8.1.170.0020.00518.95
8.1.160.0000.00721.99
8.1.150.0070.00018.91
8.1.140.0050.00317.31
8.1.130.0070.00017.80
8.1.120.0000.00717.42
8.1.110.0000.00817.33
8.1.100.0040.00417.31
8.1.90.0000.00717.41
8.1.80.0000.00817.31
8.1.70.0000.00717.43
8.1.60.0060.00317.59
8.1.50.0040.00417.36
8.1.40.0030.00917.34
8.1.30.0040.00417.61
8.1.20.0000.00717.69
8.1.10.0040.00417.53
8.1.00.0050.00517.32
8.0.300.0040.00418.77
8.0.290.0070.00016.63
8.0.280.0030.00318.27
8.0.270.0000.00717.15
8.0.260.0000.00817.11
8.0.250.0070.00016.84
8.0.240.0030.00316.87
8.0.230.0030.00316.91
8.0.220.0070.00016.87
8.0.210.0040.00416.78
8.0.200.0000.00716.81
8.0.190.0070.00016.89
8.0.180.0000.00716.92
8.0.170.0000.00816.80
8.0.160.0050.00316.84
8.0.150.0030.00316.70
8.0.140.0030.00616.85
8.0.130.0000.00613.25
8.0.120.0080.00016.84
8.0.110.0070.00016.83
8.0.100.0070.00016.98
8.0.90.0050.00216.84
8.0.80.0060.01016.83
8.0.70.0050.00316.93
8.0.60.0070.00016.71
8.0.50.0000.00716.86
8.0.30.0070.01317.07
8.0.20.0130.00817.40
8.0.10.0000.00816.96
8.0.00.0080.01116.65
7.4.330.0060.00015.03
7.4.320.0030.00316.39
7.4.300.0000.00716.59
7.4.290.0030.00316.63
7.4.280.0040.00416.48
7.4.270.0030.00316.54
7.4.260.0030.00516.56
7.4.250.0070.00016.54
7.4.240.0030.00416.56
7.4.230.0000.00716.33
7.4.220.0030.02016.44
7.4.210.0090.00916.61
7.4.200.0030.00316.42
7.4.160.0090.00616.46
7.4.150.0120.00917.40
7.4.140.0080.01117.86
7.4.130.0060.01116.45
7.4.120.0090.00916.49
7.4.110.0110.00716.45
7.4.100.0090.00916.59
7.4.90.0100.00716.31
7.4.80.0030.01319.39
7.4.70.0190.00016.58
7.4.60.0060.01016.55
7.4.50.0030.00616.41
7.4.40.0070.01216.59
7.4.30.0060.01616.65
7.4.00.0030.01314.80
7.3.330.0060.00012.98
7.3.320.0070.00713.00
7.3.310.0080.00016.08
7.3.300.0000.00616.32
7.3.290.0100.00416.24
7.3.280.0080.00916.23
7.3.270.0160.00417.40
7.3.260.0090.01516.28
7.3.250.0120.00516.34
7.3.240.0090.00916.39
7.3.230.0100.01016.39
7.3.210.0070.01016.53
7.3.200.0030.01419.39
7.3.190.0120.00416.42
7.3.180.0150.00016.14
7.3.170.0100.00616.27
7.3.160.0040.01316.48
7.2.330.0030.01416.79
7.2.320.0100.00716.62
7.2.310.0030.01316.69
7.2.300.0060.01116.75
7.2.290.0120.01216.52
7.2.00.0030.00618.81
7.1.100.0110.00618.25
7.1.70.0050.00317.22
7.1.60.0140.01119.50
7.1.50.0070.01316.54
7.1.00.0070.07322.37
7.0.200.0240.00316.75
7.0.140.0000.04322.12
7.0.60.0130.08319.91
7.0.50.0070.03717.80
7.0.40.0170.07320.36
7.0.30.0370.07320.34
7.0.20.0170.04020.21
7.0.10.0400.07020.18
7.0.00.0030.09020.45
5.6.280.0030.07321.14
5.6.210.0130.07020.70
5.6.200.0130.08018.20
5.6.190.0230.06720.63
5.6.180.0230.08020.58
5.6.170.0200.04020.49
5.6.160.0070.03720.52
5.6.150.0100.07718.12
5.6.140.0070.03718.23
5.6.130.0030.04718.22
5.6.120.0130.07721.03
5.6.110.0130.03321.09
5.6.100.0030.08721.10
5.6.90.0000.08021.12
5.6.80.0070.09020.53
5.6.70.0270.07020.34
5.5.350.0400.06320.33
5.5.340.0130.05017.89
5.5.330.0100.04320.46
5.5.320.0000.04320.21
5.5.310.0400.08020.20
5.5.300.0000.06018.00
5.5.290.0100.07718.00
5.5.280.0100.05020.80
5.5.270.0100.08020.79
5.5.260.0070.04320.75
5.5.250.0000.04720.68
5.5.240.0100.08020.15
5.4.450.0770.06319.41
5.4.440.0700.06319.41
5.4.430.0900.05319.52
5.4.420.0900.05019.61
5.4.410.0900.05719.50
5.4.400.1830.06018.54
5.4.390.0430.05718.68
5.4.380.1930.06718.70
5.4.370.0430.05018.71
5.4.360.1830.07018.61
5.4.350.0470.05318.53
5.4.340.1930.05718.77
5.4.320.0270.06318.71
5.4.310.0300.05718.66
5.4.300.0300.07318.61
5.4.290.2400.06318.52
5.4.280.0370.06718.70
5.4.270.0330.06318.48
5.4.260.0330.04318.64
5.4.250.0270.05318.52
5.4.240.0230.05718.63
5.4.230.0170.06018.70
5.4.220.0200.06318.45
5.4.210.0370.06018.48
5.4.200.0230.06316.63
5.4.190.0430.06018.66
5.4.180.0230.06718.54
5.4.170.0370.05018.59
5.4.160.0530.04318.54
5.4.150.0330.05318.44
5.4.140.0370.04016.23
5.4.130.0270.05316.09
5.4.120.0300.04716.22
5.4.110.0370.04016.25
5.4.100.0270.05316.19
5.4.90.0330.06316.34
5.4.80.0200.06316.15
5.4.70.2630.05016.08
5.4.60.0400.07016.10
5.4.50.0330.06716.14
5.4.40.0300.07316.14
5.4.30.0370.05716.22
5.4.20.0300.04716.18
5.4.10.0270.04716.04
5.4.00.0230.06015.54
5.3.290.0200.07314.70
5.3.280.1670.05014.55
5.3.270.0300.05714.56
5.3.260.0200.06314.58
5.3.250.0200.06014.61
5.3.240.0230.06714.68
5.3.230.0400.05714.69
5.3.220.0370.05314.57
5.3.210.0300.06014.55
5.3.200.0330.06314.55
5.3.190.0470.06014.46
5.3.180.0370.06714.56
5.3.170.0300.06314.57
5.3.160.0200.07314.55
5.3.150.2330.06014.55
5.3.140.0430.05014.50
5.3.130.0300.07314.52
5.3.120.0370.06314.49
5.3.110.0470.06714.50
5.3.100.2470.07014.03
5.3.90.0330.05714.03
5.3.80.0300.06014.05
5.3.70.0270.05313.95
5.3.60.0230.05714.03
5.3.50.0300.07013.89
5.3.40.0300.05313.88
5.3.30.0300.05013.90
5.3.20.0370.04713.64
5.3.10.0300.06313.64
5.3.00.0300.05713.53
5.2.170.0230.04711.13
5.2.160.0200.04311.10
5.2.150.0270.04011.13
5.2.140.0430.05011.13
5.2.130.0270.05711.16
5.2.120.0370.03011.25
5.2.110.0270.04711.04
5.2.100.1500.04011.16
5.2.90.0130.04711.15
5.2.80.0700.03311.13
5.2.70.0070.04711.05
5.2.60.0200.04011.00
5.2.50.0200.04310.95
5.2.40.0170.05710.94
5.2.30.0430.05311.01
5.2.20.0230.05310.93
5.2.10.3170.04310.89
5.2.00.0400.03310.81
5.1.60.0230.03310.09
5.1.50.0200.03310.02
5.1.40.0170.05310.04
5.1.30.0170.04010.38
5.1.20.0170.03710.48
5.1.10.1730.03310.20
5.1.00.0070.03710.11
5.0.50.0030.0308.63
5.0.40.0070.0308.54
5.0.30.0030.0478.34
5.0.20.0100.0278.39
5.0.10.0230.0438.20
5.0.00.0370.0408.28
4.4.90.0370.0175.93
4.4.80.0330.0275.86
4.4.70.0270.0235.85
4.4.60.0370.0235.87
4.4.50.0430.0305.91
4.4.40.0430.0535.94
4.4.30.0300.0305.95
4.4.20.0170.0335.93
4.4.10.0170.0236.00
4.4.00.0030.0505.89
4.3.110.0100.0305.80
4.3.100.0170.0205.82
4.3.90.0130.0175.79
4.3.80.0100.0375.77
4.3.70.0130.0175.81
4.3.60.0770.0275.82
4.3.50.0170.0205.79
4.3.40.0100.0475.75
4.3.30.0100.0234.68
4.3.20.0100.0234.54
4.3.10.0030.0304.48
4.3.00.0130.0206.90

preferences:
44.4 ms | 400 KiB | 5 Q