3v4l.org

run code in 300+ PHP versions simultaneously
<?php $flat = ['a', 'b', 'c']; $treeish = ['a', 'b' => ['x', 'y', 'z'], 'c']; $count_my_leaves = ['a' => ['uni', 'doni'], 'b' => ['trini'], 'c' => ['pani', 'is', 'pis', 'conopis']]; echo 'count($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_leaves, 1) - count($count_my_leaves): ' . (count($count_my_leaves, 1) - count($count_my_leaves)) . 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)
8.3.60.0040.01116.63
8.3.50.0110.00821.83
8.3.40.0140.00718.68
8.3.30.0030.01018.86
8.3.20.0080.00020.21
8.3.10.0040.00421.89
8.3.00.0060.00319.26
8.2.180.0180.00418.16
8.2.170.0100.00722.96
8.2.160.0080.00520.43
8.2.150.0040.00424.18
8.2.140.0020.00524.66
8.2.130.0040.00426.16
8.2.120.0040.00419.23
8.2.110.0030.00619.27
8.2.100.0110.00017.63
8.2.90.0050.00319.03
8.2.80.0040.00417.97
8.2.70.0110.00017.25
8.2.60.0000.00817.89
8.2.50.0040.00418.07
8.2.40.0040.00419.82
8.2.30.0000.00718.11
8.2.20.0000.00817.70
8.2.10.0040.00417.98
8.2.00.0000.00717.66
8.1.280.0070.01425.92
8.1.270.0040.00418.87
8.1.260.0070.00026.35
8.1.250.0000.00828.09
8.1.240.0040.00423.92
8.1.230.0110.00017.76
8.1.220.0080.00017.79
8.1.210.0040.00418.77
8.1.200.0090.00017.35
8.1.190.0030.00517.22
8.1.180.0000.00818.10
8.1.170.0040.00418.84
8.1.160.0070.00021.92
8.1.150.0070.00018.90
8.1.140.0030.00617.44
8.1.130.0000.00817.74
8.1.120.0030.00317.45
8.1.110.0040.00417.49
8.1.100.0040.00417.44
8.1.90.0040.00417.49
8.1.80.0070.00017.34
8.1.70.0000.00717.44
8.1.60.0030.00517.66
8.1.50.0030.00517.50
8.1.40.0000.01017.50
8.1.30.0080.00017.66
8.1.20.0000.00817.65
8.1.10.0070.00017.45
8.1.00.0040.00717.49
8.0.300.0000.00718.77
8.0.290.0040.00416.63
8.0.280.0070.00018.44
8.0.270.0050.00217.17
8.0.260.0080.00017.14
8.0.250.0030.00317.00
8.0.240.0030.00316.87
8.0.230.0060.00016.99
8.0.220.0030.00316.85
8.0.210.0000.00716.89
8.0.200.0060.00016.97
8.0.190.0030.00516.93
8.0.180.0000.00816.90
8.0.170.0040.00416.82
8.0.160.0000.00716.89
8.0.150.0030.00316.86
8.0.140.0030.01016.61
8.0.130.0060.00013.32
8.0.120.0040.00416.89
8.0.110.0000.00716.78
8.0.100.0030.00616.69
8.0.90.0000.00716.79
8.0.80.0040.01316.78
8.0.70.0050.00216.77
8.0.60.0000.00716.75
8.0.50.0050.00316.75
8.0.30.0160.00717.19
8.0.20.0180.00717.44
8.0.10.0050.00217.08
8.0.00.0080.01016.88
7.4.330.0000.00615.08
7.4.320.0060.00016.47
7.4.300.0000.00616.58
7.4.290.0040.00416.48
7.4.280.0000.00816.63
7.4.270.0050.00316.52
7.4.260.0040.00416.51
7.4.250.0070.00016.59
7.4.240.0030.00316.56
7.4.230.0000.00716.34
7.4.220.0060.01216.51
7.4.210.0210.00016.51
7.4.200.0070.00016.48
7.4.160.0120.00416.55
7.4.150.0090.01217.40
7.4.140.0100.00817.86
7.4.130.0120.00616.50
7.4.120.0020.01516.40
7.4.110.0120.00616.29
7.4.100.0090.01016.53
7.4.90.0110.01116.51
7.4.80.0060.01219.39
7.4.70.0100.00616.49
7.4.60.0090.00616.44
7.4.50.0050.00316.29
7.4.40.0060.00916.27
7.4.30.0150.00316.40
7.4.00.0070.00714.84
7.3.330.0030.00313.21
7.3.320.0050.00513.16
7.3.310.0030.00316.37
7.3.300.0060.00016.26
7.3.290.0100.00516.27
7.3.280.0080.01016.24
7.3.270.0040.01217.40
7.3.260.0170.00016.43
7.3.250.0100.00716.24
7.3.240.0120.00916.59
7.3.230.0150.00316.39
7.3.210.0180.00316.31
7.3.200.0130.00319.39
7.3.190.0130.00616.56
7.3.180.0180.00316.27
7.3.170.0060.01516.41
7.3.160.0090.00916.50
7.3.120.0000.01614.68
7.3.110.0060.01214.66
7.3.100.0070.00714.91
7.3.90.0070.00714.91
7.3.80.0030.00714.92
7.3.70.0070.00714.69
7.3.60.0000.01014.63
7.3.50.0030.01014.55
7.3.40.0030.00714.79
7.3.30.0060.01014.64
7.3.20.0090.00616.68
7.3.10.0060.00916.85
7.3.00.0070.00716.52
7.2.330.0070.01016.64
7.2.320.0100.00716.46
7.2.310.0080.00816.79
7.2.300.0070.01016.66
7.2.290.0100.00716.78
7.2.240.0000.01415.30
7.2.230.0130.00315.20
7.2.220.0060.00614.73
7.2.210.0060.00914.66
7.2.200.0130.00315.09
7.2.190.0030.01015.04
7.2.180.0030.01114.96
7.2.170.0060.00614.73
7.2.160.0100.00715.18
7.2.150.0090.00616.97
7.2.140.0100.00616.91
7.2.130.0030.00717.08
7.2.120.0060.00616.62
7.2.110.0030.01216.84
7.2.100.0000.01516.71
7.2.90.0040.00516.98
7.2.80.0040.01116.90
7.2.70.0070.00716.90
7.2.60.0070.00916.63
7.2.50.0000.01316.96
7.2.40.0000.01316.88
7.2.30.0030.00616.92
7.2.20.0080.00816.61
7.2.10.0090.00316.96
7.2.00.0050.00917.97
7.1.330.0040.00415.92
7.1.320.0090.00315.95
7.1.310.0030.01415.84
7.1.300.0070.00415.53
7.1.290.0070.00715.61
7.1.280.0060.00315.65
7.1.270.0060.00915.56
7.1.260.0030.01015.41
7.1.250.0030.01015.88
7.1.200.0090.00015.69
7.1.100.0140.00718.17
7.1.70.0000.01417.20
7.1.60.0100.01319.50
7.1.50.0000.02216.90
7.1.00.0030.07722.46
7.0.200.0240.00316.33
7.0.140.0000.03721.95
7.0.60.0170.07019.99
7.0.50.0070.05717.83
7.0.40.0200.07719.95
7.0.30.0230.07020.18
7.0.20.0130.05720.17
7.0.10.0230.09020.12
7.0.00.0100.08020.18
5.6.280.0070.07020.91
5.6.210.0070.06020.61
5.6.200.0130.07718.11
5.6.190.0030.07020.63
5.6.180.0200.07720.25
5.6.170.0170.04320.52
5.6.160.0070.03720.38
5.6.150.0000.05318.22
5.6.140.0100.03318.18
5.6.130.0030.04018.10
5.6.120.0070.05020.98
5.6.110.0070.04021.07
5.6.100.0130.08021.09
5.6.90.0100.07720.97
5.6.80.0200.06720.35
5.6.70.0330.06720.39
5.5.350.0270.04720.29
5.5.340.0100.07317.97
5.5.330.0070.05020.36
5.5.320.0030.03720.20
5.5.310.0230.05720.12
5.5.300.0130.05318.02
5.5.290.0130.07017.97
5.5.280.0130.05320.98
5.5.270.0130.05320.77
5.5.260.0070.06020.88
5.5.250.0130.03320.64
5.5.240.0070.08720.04
5.4.450.0600.06019.15
5.4.440.0900.05719.49
5.4.430.0930.05019.59
5.4.420.1070.04719.56
5.4.410.1100.05019.48
5.4.400.0270.05018.72
5.4.390.0300.05018.53
5.4.380.0430.04718.72
5.4.370.0300.06718.77
5.4.360.0270.06018.74
5.4.350.0230.07318.68
5.4.340.0400.05718.59
5.4.320.0230.06018.58
5.4.310.0300.05018.49
5.4.300.0200.06018.49
5.4.290.0300.05718.67
5.4.280.0330.04718.67
5.4.270.0330.07018.73
5.4.260.0300.05018.64
5.4.250.0300.05718.55
5.4.240.0270.06318.62
5.4.230.0200.06318.60
5.4.220.0400.05318.70
5.4.210.0200.07318.60
5.4.200.0330.06016.73
5.4.190.0230.05718.45
5.4.180.0470.06318.52
5.4.170.0330.05018.48
5.4.160.0430.04318.45
5.4.150.0300.06718.56
5.4.140.0270.06316.14
5.4.130.0400.06016.07
5.4.120.0430.04316.17
5.4.110.0330.04716.02
5.4.100.0300.05316.27
5.4.90.0270.06316.09
5.4.80.0330.04316.15
5.4.70.0270.05016.06
5.4.60.0300.06716.22
5.4.50.0330.06316.23
5.4.40.0330.06716.13
5.4.30.0370.06016.05
5.4.20.0170.05716.15
5.4.10.0330.04016.07
5.4.00.0270.04715.77
5.3.290.0300.05014.66
5.3.280.0200.06014.55
5.3.270.0270.05714.52
5.3.260.0230.05714.65
5.3.250.0230.06014.52
5.3.240.0330.06314.70
5.3.230.0200.06314.60
5.3.220.0230.05014.50
5.3.210.0200.05714.66
5.3.200.0200.05314.66
5.3.190.0200.06314.53
5.3.180.0330.05314.49
5.3.170.0330.06314.50
5.3.160.0200.05314.50
5.3.150.0400.04014.55
5.3.140.0130.06314.55
5.3.130.0230.05714.58
5.3.120.0330.06014.46
5.3.110.0300.07314.55
5.3.100.0370.06014.02
5.3.90.0300.06714.02
5.3.80.0330.06314.11
5.3.70.0230.05313.95
5.3.60.0370.04713.98
5.3.50.0430.05013.89
5.3.40.0230.05313.88
5.3.30.0230.04713.86
5.3.20.0330.06313.63
5.3.10.0100.06713.66
5.3.00.0270.05713.62
5.2.170.0200.04711.07
5.2.160.0170.05011.12
5.2.150.0170.04711.07
5.2.140.0300.03711.09
5.2.130.0270.03311.01
5.2.120.0230.04011.14
5.2.110.0170.04311.07
5.2.100.0200.04011.06
5.2.90.0230.03711.05
5.2.80.0200.04311.13
5.2.70.0200.04711.05
5.2.60.0230.04011.08
5.2.50.0170.04711.05
5.2.40.0130.04010.92
5.2.30.0200.04710.93
5.2.20.0100.04311.09
5.2.10.0170.04310.88
5.2.00.0230.03710.82
5.1.60.0130.03710.05
5.1.50.0200.04010.13
5.1.40.0100.04010.11
5.1.30.0170.04310.36
5.1.20.0200.03310.34
5.1.10.0200.03710.08
5.1.00.0200.03310.09
5.0.50.0170.0208.69
5.0.40.0070.0378.51
5.0.30.0100.0508.36
5.0.20.0070.0308.19
5.0.10.0100.0338.26
5.0.00.0170.0408.10
4.4.90.0030.0275.93
4.4.80.0100.0235.82
4.4.70.0070.0275.88
4.4.60.0130.0235.86
4.4.50.0100.0235.95
4.4.40.0130.0475.88
4.4.30.0170.0235.89
4.4.20.0130.0275.87
4.4.10.0130.0205.95
4.4.00.0130.0375.95
4.3.110.0100.0275.86
4.3.100.0070.0335.82
4.3.90.0100.0205.79
4.3.80.0130.0375.79
4.3.70.0070.0235.79
4.3.60.0100.0235.82
4.3.50.0100.0235.82
4.3.40.0070.0405.75
4.3.30.0030.0234.54
4.3.20.0030.0274.55
4.3.10.0070.0204.50
4.3.00.0070.0236.90

preferences:
36.75 ms | 401 KiB | 5 Q