3v4l.org

run code in 300+ PHP versions simultaneously
<?php function is_multi($array) { return (count($array) != count($array, COUNT_RECURSIVE)); } var_export(is_multi([[]])); echo "\n---\n"; var_export(is_multi([[], []])); echo "\n---\n"; var_export(is_multi([1])); echo "\n---\n"; var_export(is_multi([[1], []])); echo "\n---\n";

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)
8.3.60.0150.00016.75
8.3.50.0040.01120.02
8.3.40.0070.01021.78
8.3.30.0040.01118.71
8.3.20.0080.00024.18
8.3.10.0040.00424.66
8.3.00.0040.00426.16
8.2.180.0090.00925.92
8.2.170.0090.00618.96
8.2.160.0100.00322.96
8.2.150.0070.00025.66
8.2.140.0020.00524.66
8.2.130.0090.00026.16
8.2.120.0040.00420.79
8.2.110.0110.00321.41
8.2.100.0120.00318.58
8.2.90.0110.00918.93
8.2.80.0090.00918.22
8.2.70.0130.00918.17
8.2.60.0150.00818.28
8.2.50.0130.00818.41
8.2.40.0120.00519.54
8.2.30.0110.00718.19
8.2.20.0060.00419.62
8.2.10.0060.00418.38
8.2.00.0080.00518.98
8.1.280.0200.00725.92
8.1.270.0060.00323.99
8.1.260.0030.00526.35
8.1.250.0070.00028.09
8.1.240.0120.00620.62
8.1.230.0100.00318.05
8.1.220.0040.00618.14
8.1.210.0030.00819.32
8.1.200.0070.00517.85
8.1.190.0090.00617.44
8.1.180.0080.00418.18
8.1.170.0080.00318.48
8.1.160.0080.00620.24
8.1.150.0060.00419.44
8.1.140.0090.00617.82
8.1.130.0110.00417.94
8.1.120.0080.00317.91
8.1.110.0020.00817.93
8.1.100.0040.00817.74
8.1.90.0040.00617.94
8.1.80.0120.00217.90
8.1.70.0120.00118.09
8.1.60.0120.00517.99
8.1.50.0130.00317.99
8.1.40.0130.00218.14
8.1.30.0060.00718.13
8.1.20.0120.00717.90
8.1.10.0150.00518.09
8.1.00.0130.00517.96
8.0.300.0150.00318.22
8.0.290.0080.00317.12
8.0.280.0060.00518.15
8.0.270.0080.00217.31
8.0.260.0080.00317.26
8.0.250.0130.00517.32
8.0.240.0080.00717.23
8.0.230.0110.00517.37
8.0.220.0160.00317.18
8.0.210.0200.00317.24
8.0.200.0110.00917.34
8.0.190.0210.00317.19
8.0.180.0140.00917.14
8.0.170.0140.00817.27
8.0.160.0130.00817.24
8.0.150.0100.00817.35
8.0.140.0100.00417.24
8.0.130.0120.00117.50
8.0.120.0150.00617.26
8.0.110.0070.00617.30
8.0.100.0120.00317.28
8.0.90.0080.00717.28
8.0.80.0060.00817.20
8.0.70.0090.00517.16
8.0.60.0090.00517.31
8.0.50.0160.00617.29
8.0.30.0100.00717.49
8.0.20.0180.00517.30
8.0.10.0140.00317.35
7.4.330.0060.00215.92
7.4.320.0000.00716.92
7.4.300.0060.00116.88
7.4.290.0110.00017.88
7.4.280.0050.00916.94
7.4.270.0070.00416.90
7.4.260.0050.00716.86
7.4.250.0090.00216.93
7.4.240.0070.00316.94
7.4.230.0090.00416.93
7.4.220.0080.00216.97
7.4.210.0030.00616.95
7.4.200.0060.00416.86
7.4.190.0100.00317.03
7.4.180.0070.00316.86
7.4.160.0080.00217.01
7.4.150.0070.00316.92
7.4.140.0020.00916.73
7.4.130.0080.00616.80
7.4.120.0100.00316.93
7.4.110.0160.00016.73
7.4.100.0090.00517.04
7.4.90.0080.00816.83
7.4.80.0100.00416.85
7.4.70.0100.00516.84
7.4.60.0100.00516.83
7.4.50.0070.00816.81
7.4.40.0190.00216.69
7.4.30.0120.00816.67
7.4.20.0090.01416.87
7.4.10.0070.00716.76
7.4.00.0130.00216.92

preferences:
43.45 ms | 401 KiB | 5 Q