3v4l.org

run code in 300+ PHP versions simultaneously
<?php function is_assoc($var) { return is_array($var) && array_diff_key($var,array_keys(array_keys($var))); } $a = [1, 2, 3, 4, 5]; $b = ['a', 'b', 'c']; $c = ['a' => 1, 'b' => 2, 'c' => 3]; $d = [0 => 1, 1 => 2, 2 => 3]; $e = [1 => 1, 2 => 2, 3 => 3]; $f = [0 => 1, 1 => 2, 2 => 3, 'a' => 4]; $g = 'foo'; $h = 123; var_dump(array_keys($a)); echo '$a '; var_dump(is_assoc($a)); echo '$b '; var_dump(is_assoc($b)); echo '$c '; var_dump(is_assoc($c)); echo '$d '; var_dump(is_assoc($d)); echo '$e '; var_dump(is_assoc($e)); echo '$f '; var_dump(is_assoc($f)); echo '$g '; var_dump(is_assoc($g)); echo '$h '; var_dump(is_assoc($h));

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)
8.3.60.0070.00716.37
8.3.50.0140.00719.53
8.3.40.0060.00918.75
8.3.30.0090.00619.09
8.3.20.0000.00820.34
8.3.10.0060.00321.64
8.3.00.0060.00319.25
8.2.180.0090.00618.41
8.2.170.0120.00322.96
8.2.160.0060.00920.44
8.2.150.0050.00324.18
8.2.140.0000.00724.66
8.2.130.0040.00426.16
8.2.120.0030.00719.77
8.2.110.0030.00619.00
8.2.100.0030.01019.56
8.2.90.0000.00819.27
8.2.80.0040.00417.97
8.2.70.0060.00317.63
8.2.60.0080.00018.04
8.2.50.0040.00418.07
8.2.40.0030.00619.76
8.2.30.0000.00917.96
8.2.20.0040.00417.61
8.2.10.0040.00418.14
8.2.00.0080.00017.70
8.1.280.0090.01225.92
8.1.270.0040.00423.84
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0090.00022.48
8.1.230.0110.00020.97
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0060.00317.35
8.1.190.0000.00817.10
8.1.180.0050.00318.10
8.1.170.0050.00318.64
8.1.160.0050.00322.09
8.1.150.0000.00718.90
8.1.140.0050.00217.35
8.1.130.0030.00317.84
8.1.120.0030.00617.51
8.1.110.0080.00017.48
8.1.100.0030.00517.39
8.1.90.0040.00417.46
8.1.80.0000.00817.37
8.1.70.0080.00017.42
8.1.60.0060.00317.53
8.1.50.0040.00417.51
8.1.40.0050.00317.52
8.1.30.0040.00417.66
8.1.20.0000.00817.69
8.1.10.0000.00717.55
8.1.00.0040.00417.46
8.0.300.0000.00718.77
8.0.290.0070.00016.63
8.0.280.0030.00618.37
8.0.270.0030.00617.22
8.0.260.0030.00317.13
8.0.250.0000.00716.99
8.0.240.0000.00716.96
8.0.230.0030.00316.99
8.0.220.0070.00016.82
8.0.210.0000.00716.94
8.0.200.0080.00016.96
8.0.190.0030.00616.86
8.0.180.0000.00816.88
8.0.170.0080.00016.95
8.0.160.0000.00716.86
8.0.150.0080.00016.78
8.0.140.0040.00416.77
8.0.130.0050.00313.43
8.0.120.0060.00316.90
8.0.110.0000.00916.82
8.0.100.0040.00416.81
8.0.90.0000.00716.87
8.0.80.0120.00916.91
8.0.70.0050.00216.89
8.0.60.0070.00016.96
8.0.50.0000.00716.77
8.0.30.0110.00816.94
8.0.20.0120.00717.40
8.0.10.0000.00817.03
8.0.00.0120.00716.82
7.4.330.0040.00415.00
7.4.320.0030.00316.52
7.4.300.0000.00716.52
7.4.290.0040.00416.52
7.4.280.0040.00416.64
7.4.270.0080.00016.45
7.4.260.0000.00816.61
7.4.250.0000.00716.50
7.4.240.0040.00416.62
7.4.230.0070.00016.46
7.4.220.0140.00416.59
7.4.210.0070.00716.63
7.4.200.0070.00016.72
7.4.160.0100.00616.49
7.4.150.0160.00317.40
7.4.140.0070.01117.86
7.4.130.0150.00416.49
7.4.120.0090.00816.46
7.4.110.0140.00416.62
7.4.100.0090.00916.39
7.4.90.0100.00616.66
7.4.80.0130.00719.39
7.4.70.0040.01316.42
7.4.60.0090.00916.36
7.4.50.0000.00916.61
7.4.40.0170.00016.34
7.4.30.0130.00616.38
7.4.00.0060.01115.03
7.3.330.0000.00513.23
7.3.320.0000.00513.29
7.3.310.0000.00716.16
7.3.300.0000.00716.23
7.3.290.0090.00616.28
7.3.280.0060.01216.25
7.3.270.0130.00617.40
7.3.260.0170.00716.29
7.3.250.0130.00716.57
7.3.240.0100.00716.30
7.3.230.0130.01016.60
7.3.210.0100.00716.48
7.3.200.0120.00919.39
7.3.190.0050.01116.43
7.3.180.0070.01016.24
7.3.170.0150.00416.41
7.3.160.0000.01916.54
7.3.120.0060.00915.04
7.3.110.0060.00914.82
7.3.100.0000.01414.54
7.3.90.0120.00014.50
7.3.80.0030.01214.51
7.3.70.0070.00314.78
7.3.60.0030.01014.77
7.3.50.0030.01014.22
7.3.40.0030.01014.75
7.3.30.0040.01214.90
7.3.20.0080.00316.75
7.3.10.0000.00916.55
7.3.00.0070.00716.66
7.2.330.0030.01916.76
7.2.320.0030.01416.37
7.2.310.0150.00816.58
7.2.300.0110.00716.55
7.2.290.0110.00716.42
7.2.250.0120.00614.67
7.2.240.0060.01214.63
7.2.230.0060.01015.07
7.2.220.0040.01115.14
7.2.210.0030.00714.82
7.2.200.0030.01015.03
7.2.190.0090.00614.67
7.2.180.0040.01214.96
7.2.170.0060.01014.81
7.2.00.0130.00019.23
7.1.330.0090.00615.84
7.1.320.0030.01315.63
7.1.310.0000.01515.65
7.1.300.0030.01415.73
7.1.290.0090.00315.70
7.1.280.0100.00015.77
7.1.270.0090.00615.77
7.1.260.0000.00915.68
7.1.100.0040.00717.81
7.1.70.0000.00917.10
7.1.60.0070.01819.46
7.1.50.0180.00416.96
7.1.00.0070.07322.36
7.0.200.0000.00816.96
7.0.140.0000.07722.05
7.0.60.0100.08019.95
7.0.50.0100.07317.87
7.0.40.0130.08720.04
7.0.30.0600.06020.08
7.0.20.0270.06020.06
7.0.10.0130.08320.07
7.0.00.0130.08020.14
5.6.280.0030.07320.92
5.6.210.0000.08720.73
5.6.200.0100.08018.16
5.6.190.0030.06020.41
5.6.180.0470.07020.61
5.6.170.0200.06020.64
5.6.160.0030.05020.50
5.6.150.0100.04318.18
5.6.140.0130.04318.18
5.6.130.0070.08018.11
5.6.120.0070.05321.06
5.6.110.0230.06721.13
5.6.100.0030.09321.01
5.6.90.0070.06720.87
5.6.80.0130.07320.55
5.5.350.0130.08720.44
5.5.340.0070.04317.98
5.5.330.0070.08320.40
5.5.320.0230.05020.36
5.5.310.0270.05020.19
5.5.300.0100.08017.99
5.5.290.0100.04318.07
5.5.280.0000.04320.86
5.5.270.0030.06020.84
5.5.260.0100.08020.78
5.5.250.0100.07720.59
5.5.240.0300.05720.17
5.4.450.0130.04719.31
5.4.440.0130.03719.39
5.4.430.0130.03019.54
5.4.420.0100.03719.41
5.4.410.0100.04719.07
5.4.400.0030.03718.88
5.4.390.0030.03719.20
5.4.380.0300.06718.79
5.4.370.0330.06318.57
5.4.360.0400.05018.80
5.4.350.0470.04718.63
5.4.340.0530.07018.72
5.4.320.0080.03312.51
5.4.310.0050.03812.51
5.4.300.0040.04312.51
5.4.290.0060.03612.51
5.4.280.0070.03312.40
5.4.270.0090.03212.41
5.4.260.0060.03712.41
5.4.250.0070.04412.41
5.4.240.0080.03312.41
5.4.230.0090.03412.40
5.4.220.0030.03712.40
5.4.210.0050.03512.39
5.4.200.0030.04012.40
5.4.190.0060.03612.39
5.4.180.0080.04112.39
5.4.170.0040.03712.40
5.4.160.0020.03912.40
5.4.150.0070.03612.39
5.4.140.0040.03712.08
5.4.130.0050.03612.06
5.4.120.0040.04512.02
5.4.110.0050.04112.02
5.4.100.0070.03912.02
5.4.90.0110.04212.02
5.4.80.0060.03712.02
5.4.70.0080.03812.02
5.4.60.0080.03112.02
5.4.50.0080.03712.02
5.4.40.0030.03612.00
5.4.30.0080.03412.00
5.4.20.0040.03912.00
5.4.10.0030.03512.00
5.4.00.0050.03711.48
5.3.290.0020.04112.80
5.3.280.0090.03312.71
5.3.270.0080.04012.72
5.3.260.0060.04112.72
5.3.250.0050.03712.72
5.3.240.0060.03512.72
5.3.230.0050.03712.71
5.3.220.0020.04612.68
5.3.210.0080.04112.68
5.3.200.0040.03812.68
5.3.190.0050.04012.68
5.3.180.0080.03712.68
5.3.170.0050.03612.67
5.3.160.0040.03712.67
5.3.150.0050.03612.67
5.3.140.0090.04012.66
5.3.130.0040.04112.66
5.3.120.0060.04012.66
5.3.110.0080.03812.66
5.3.100.0080.03712.13
5.3.90.0040.03712.10
5.3.80.0070.03512.09
5.3.70.0060.04512.09
5.3.60.0080.03912.08
5.3.50.0080.03712.02
5.3.40.0040.03612.02
5.3.30.0080.03111.98
5.3.20.0070.03711.77
5.3.10.0080.03511.73
5.3.00.0070.03911.71
5.2.170.0020.0329.22
5.2.160.0060.0279.22
5.2.150.0060.0289.22
5.2.140.0020.0329.21
5.2.130.0050.0289.18
5.2.120.0060.0319.18
5.2.110.0050.0309.18
5.2.100.0050.0269.18
5.2.90.0060.0269.18
5.2.80.0040.0329.18
5.2.70.0050.0299.17
5.2.60.0050.0309.13
5.2.50.0020.0339.10
5.2.40.0070.0319.07
5.2.30.0070.0299.05
5.2.20.0080.0319.04
5.2.10.0090.0258.95
5.2.00.0060.0288.80
5.1.60.0060.0218.09
5.1.50.0060.0278.08
5.1.40.0060.0218.07
5.1.30.0030.0258.41
5.1.20.0050.0248.44
5.1.10.0060.0248.16
5.1.00.0030.0288.16
5.0.50.0050.0226.64
5.0.40.0030.0266.51
5.0.30.0050.0386.31
5.0.20.0010.0256.28
5.0.10.0030.0276.27
5.0.00.0040.0286.26
4.4.90.0040.0164.78
4.4.80.0030.0174.76
4.4.70.0010.0194.75
4.4.60.0020.0164.76
4.4.50.0030.0154.77
4.4.40.0030.0244.71
4.4.30.0040.0144.76
4.4.20.0030.0154.85
4.4.10.0050.0144.85
4.4.00.0030.0254.76
4.3.110.0050.0174.67
4.3.100.0030.0154.66
4.3.90.0010.0174.63
4.3.80.0030.0264.59
4.3.70.0020.0204.63
4.3.60.0000.0164.63
4.3.50.0020.0154.63
4.3.40.0020.0244.54
4.3.30.0040.0213.30
4.3.20.0030.0203.28
4.3.10.0040.0133.24
4.3.00.0000.01314.87

preferences:
44.99 ms | 400 KiB | 5 Q