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)
8.3.60.0050.01016.38
8.3.50.0100.01021.87
8.3.40.0140.00018.70
8.3.30.0040.01119.27
8.3.20.0050.00320.36
8.3.10.0060.00321.89
8.3.00.0090.00019.26
8.2.180.0090.00916.38
8.2.170.0110.00722.96
8.2.160.0100.00319.33
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0030.00519.36
8.2.110.0030.00619.26
8.2.100.0040.00817.63
8.2.90.0000.00819.05
8.2.80.0040.00417.97
8.2.70.0080.00017.63
8.2.60.0030.00518.05
8.2.50.0090.00018.07
8.2.40.0050.00519.82
8.2.30.0040.00418.05
8.2.20.0040.00417.62
8.2.10.0080.00018.11
8.2.00.0000.00817.68
8.1.280.0130.01025.92
8.1.270.0030.00618.88
8.1.260.0040.00426.35
8.1.250.0050.00328.09
8.1.240.0000.01023.79
8.1.230.0040.00717.64
8.1.220.0030.00517.74
8.1.210.0040.00418.77
8.1.200.0060.00317.35
8.1.190.0080.00017.22
8.1.180.0040.00418.10
8.1.170.0040.00419.02
8.1.160.0000.00721.97
8.1.150.0040.00418.80
8.1.140.0000.00717.41
8.1.130.0070.00017.74
8.1.120.0000.00717.38
8.1.110.0040.00417.46
8.1.100.0040.00417.45
8.1.90.0000.00717.36
8.1.80.0050.00317.41
8.1.70.0050.00317.35
8.1.60.0000.00817.62
8.1.50.0000.00917.50
8.1.40.0090.00017.41
8.1.30.0040.00417.71
8.1.20.0030.00617.64
8.1.10.0030.00617.38
8.1.00.0040.00717.45
8.0.300.0000.00718.77
8.0.290.0040.00416.75
8.0.280.0070.00018.44
8.0.270.0000.00717.25
8.0.260.0000.00717.16
8.0.250.0000.00716.84
8.0.240.0030.00316.84
8.0.230.0000.00716.84
8.0.220.0000.00716.77
8.0.210.0000.00816.75
8.0.200.0060.00016.83
8.0.190.0040.00416.98
8.0.180.0000.00816.80
8.0.170.0000.00716.92
8.0.160.0040.00416.88
8.0.150.0000.00816.89
8.0.140.0040.00416.89
8.0.130.0060.00013.24
8.0.120.0000.00816.89
8.0.110.0040.00416.86
8.0.100.0040.00416.70
8.0.90.0070.00016.88
8.0.80.0040.01416.77
8.0.70.0000.00716.86
8.0.60.0070.00016.91
8.0.50.0070.00016.68
8.0.30.0090.01017.12
8.0.20.0130.00617.40
8.0.10.0000.00816.87
8.0.00.0070.01716.79
7.4.330.0000.00515.03
7.4.320.0060.00016.54
7.4.300.0000.00716.50
7.4.290.0060.00016.49
7.4.280.0040.00416.63
7.4.270.0000.00716.48
7.4.260.0080.00016.47
7.4.250.0000.00716.57
7.4.240.0030.00316.53
7.4.230.0030.00316.42
7.4.220.0090.00916.48
7.4.210.0130.00716.53
7.4.200.0030.00316.70
7.4.160.0060.00916.28
7.4.150.0190.00617.40
7.4.140.0070.01017.86
7.4.130.0070.01016.55
7.4.120.0110.00916.41
7.4.110.0090.01516.72
7.4.100.0070.01116.39
7.4.90.0100.00716.57
7.4.80.0090.00919.39
7.4.70.0100.00616.38
7.4.60.0100.00916.46
7.4.50.0040.00416.58
7.4.40.0060.01116.51
7.4.30.0090.01316.48
7.4.00.0050.01015.02
7.3.330.0000.00613.14
7.3.320.0000.01113.14
7.3.310.0000.00716.38
7.3.300.0030.00316.27
7.3.290.0050.01016.22
7.3.280.0100.00916.22
7.3.270.0070.01117.40
7.3.260.0100.01316.50
7.3.250.0090.01316.24
7.3.240.0120.00816.48
7.3.230.0110.00716.54
7.3.210.0100.00716.40
7.3.200.0130.00319.39
7.3.190.0120.00316.39
7.3.180.0120.00316.45
7.3.170.0180.00016.52
7.3.160.0090.00616.55
7.3.120.0060.00914.95
7.3.110.0070.01014.94
7.3.100.0070.00714.64
7.3.90.0080.00814.63
7.3.80.0110.00414.89
7.3.70.0000.01414.60
7.3.60.0060.00914.54
7.3.50.0070.00414.68
7.3.40.0040.01114.75
7.3.30.0030.01214.88
7.3.20.0060.00916.66
7.3.10.0070.00716.59
7.3.00.0100.00316.51
7.2.330.0060.00916.56
7.2.320.0100.00716.64
7.2.310.0120.00916.24
7.2.300.0100.01016.53
7.2.290.0150.00716.64
7.2.250.0000.01614.94
7.2.240.0080.01114.66
7.2.230.0100.00315.12
7.2.220.0030.00915.03
7.2.210.0060.00915.03
7.2.200.0070.00715.02
7.2.190.0060.00915.07
7.2.180.0060.00615.04
7.2.170.0060.00914.98
7.2.60.0070.01016.92
7.2.00.0070.00719.07
7.1.330.0070.00715.85
7.1.320.0090.00615.59
7.1.310.0000.01415.91
7.1.300.0000.01415.77
7.1.290.0030.01015.84
7.1.280.0040.01115.94
7.1.270.0030.01215.63
7.1.260.0130.00015.89
7.1.200.0000.01215.75
7.1.100.0110.00818.13
7.1.70.0080.00317.06
7.1.60.0090.01519.50
7.1.50.0120.00916.81
7.1.00.0070.07322.28
7.0.200.0180.00716.31
7.0.140.0070.07022.08
7.0.60.0130.04020.03
7.0.50.0070.05017.80
7.0.40.0100.07720.07
7.0.30.0300.05020.11
7.0.20.0330.07320.19
7.0.10.0030.04320.01
7.0.00.0070.05320.20
5.6.280.0070.07021.10
5.6.210.0070.07020.66
5.6.200.0030.08318.21
5.6.190.0070.08720.41
5.6.180.0330.07320.58
5.6.170.0270.06320.40
5.6.160.0100.07320.33
5.6.150.0130.08018.16
5.6.140.0130.07718.21
5.6.130.0030.04318.18
5.6.120.0070.06321.14
5.6.110.0130.08321.02
5.6.100.0100.06320.95
5.6.90.0100.04721.07
5.6.80.0200.05320.38
5.6.70.4200.03020.52
5.5.350.0100.06320.39
5.5.340.0030.07717.98
5.5.330.0100.08320.37
5.5.320.0030.04320.30
5.5.310.0270.03320.51
5.5.300.0000.05317.97
5.5.290.0030.04018.02
5.5.280.0130.07320.64
5.5.270.0070.09020.84
5.5.260.0170.08020.79
5.5.250.0030.08020.70
5.5.240.0270.07020.15
5.4.450.0030.06719.41
5.4.440.0700.06319.45
5.4.430.0870.05019.59
5.4.420.0670.06019.12
5.4.410.1170.06019.46
5.4.400.0300.05018.70
5.4.390.0200.06318.49
5.4.380.0430.04718.59
5.4.370.0330.05318.61
5.4.360.0230.08018.61
5.4.350.0300.06318.64
5.4.340.0400.06318.50
5.4.320.0270.07018.77
5.4.310.0300.05718.70
5.4.300.0300.05718.68
5.4.290.0330.06018.77
5.4.280.0300.06318.55
5.4.270.0430.05318.67
5.4.260.0370.05318.49
5.4.250.0300.06718.65
5.4.240.0370.06018.58
5.4.230.0330.05318.67
5.4.220.0370.05318.48
5.4.210.0470.04018.76
5.4.200.0230.06016.52
5.4.190.0430.04718.61
5.4.180.0300.05318.48
5.4.170.3670.05318.57
5.4.160.0270.05718.47
5.4.150.0330.04718.69
5.4.140.0270.05316.27
5.4.130.2370.05016.20
5.4.120.0300.05016.13
5.4.110.0270.05016.21
5.4.100.0400.04716.34
5.4.90.3030.06016.26
5.4.80.0270.05316.04
5.4.70.0430.04016.04
5.4.60.0330.05016.12
5.4.50.3430.05716.18
5.4.40.0500.06016.13
5.4.30.0400.06016.21
5.4.20.0370.04716.16
5.4.10.0330.06716.19
5.4.00.0230.05315.58
5.3.290.0230.07714.63
5.3.280.0430.04714.69
5.3.270.0470.07314.66
5.3.260.0300.07014.68
5.3.250.2530.05014.65
5.3.240.0230.07314.59
5.3.230.0330.05314.50
5.3.220.0300.06014.56
5.3.210.0370.06714.48
5.3.200.0400.05714.60
5.3.190.0300.05014.64
5.3.180.0270.06014.48
5.3.170.0300.05314.55
5.3.160.0330.05314.56
5.3.150.0300.06014.47
5.3.140.2500.04714.45
5.3.130.0430.06014.63
5.3.120.0230.06014.55
5.3.110.0370.05314.50
5.3.100.0370.05013.99
5.3.90.0170.06713.98
5.3.80.0330.06013.98
5.3.70.0500.03714.04
5.3.60.2530.05313.99
5.3.50.0400.05713.91
5.3.40.0330.05314.04
5.3.30.0230.05313.80
5.3.20.0400.04313.68
5.3.10.0230.06013.60
5.3.00.0430.04713.64
5.2.170.0330.03311.11
5.2.160.0430.03011.18
5.2.150.0170.04711.09
5.2.140.0230.04311.18
5.2.130.0170.05011.15
5.2.120.0300.04711.02
5.2.110.0200.04311.16
5.2.100.0200.04011.03
5.2.90.0200.04011.02
5.2.80.0230.04311.16
5.2.70.0330.04711.10
5.2.60.0330.04711.05
5.2.50.0230.05710.94
5.2.40.0130.05710.91
5.2.30.0270.03311.13
5.2.20.0170.04010.88
5.2.10.0200.03710.95
5.2.00.0130.04310.75
5.1.60.0170.04310.06
5.1.50.0130.04010.01
5.1.40.0130.0509.93
5.1.30.0170.04010.31
5.1.20.0200.04310.50
5.1.10.0170.03710.05
5.1.00.0100.04010.08
5.0.50.0170.0278.61
5.0.40.0130.0308.47
5.0.30.0100.0508.29
5.0.20.0070.0338.23
5.0.10.0170.0338.18
5.0.00.0100.0578.19
4.4.90.0070.0235.88
4.4.80.0130.0205.92
4.4.70.0100.0275.86
4.4.60.0100.0235.89
4.4.50.0100.0235.88
4.4.40.0070.0375.94
4.4.30.0100.0275.82
4.4.20.0030.0275.92
4.4.10.0030.0275.96
4.4.00.0070.0375.97
4.3.110.0130.0175.84
4.3.100.0070.0235.85
4.3.90.0030.0235.87
4.3.80.0030.0375.76
4.3.70.0070.0235.87
4.3.60.0070.0235.79
4.3.50.0100.0205.77
4.3.40.0100.0305.75
4.3.30.0030.0274.55
4.3.20.0100.0204.57
4.3.10.0100.0174.52
4.3.00.0130.0276.89

preferences:
59.68 ms | 401 KiB | 5 Q