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'; $h = 123; echo '$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)
8.3.60.0150.00016.50
8.3.50.0100.00822.82
8.3.40.0090.00918.84
8.3.30.0100.00718.92
8.3.20.0000.00920.21
8.3.10.0040.00421.91
8.3.00.0040.00419.35
8.2.180.0160.00018.17
8.2.170.0080.00622.96
8.2.160.0040.01120.32
8.2.150.0000.00724.18
8.2.140.0070.00024.66
8.2.130.0040.00426.16
8.2.120.0000.00821.17
8.2.110.0090.01221.00
8.2.100.0080.00317.84
8.2.90.0000.00817.90
8.2.80.0040.00417.97
8.2.70.0080.00817.50
8.2.60.0030.00517.92
8.2.50.0030.00618.07
8.2.40.0040.00420.07
8.2.30.0000.00818.11
8.2.20.0030.00517.71
8.2.10.0040.00417.99
8.2.00.0060.00317.70
8.1.280.0070.01425.92
8.1.270.0080.00023.86
8.1.260.0050.00226.35
8.1.250.0040.00428.09
8.1.240.0090.00020.79
8.1.230.0060.00620.85
8.1.220.0030.00617.74
8.1.210.0050.00319.02
8.1.200.0000.00917.23
8.1.190.0040.00417.23
8.1.180.0050.00318.10
8.1.170.0030.00518.50
8.1.160.0040.00421.91
8.1.150.0000.00718.91
8.1.140.0030.00617.47
8.1.130.0070.00017.83
8.1.120.0000.01017.39
8.1.110.0040.00417.43
8.1.100.0030.00517.54
8.1.90.0030.00517.48
8.1.80.0000.00717.50
8.1.70.0050.00317.43
8.1.60.0030.00617.61
8.1.50.0000.00917.62
8.1.40.0000.00717.44
8.1.30.0040.00417.57
8.1.20.0000.00717.64
8.1.10.0040.00417.57
8.1.00.0000.00817.46
8.0.300.0040.00420.03
8.0.290.0000.00816.63
8.0.280.0090.00018.46
8.0.270.0030.00617.15
8.0.260.0030.00317.16
8.0.250.0000.00816.91
8.0.240.0030.00316.98
8.0.230.0070.00016.97
8.0.220.0000.00716.80
8.0.210.0000.00716.89
8.0.200.0000.00716.92
8.0.190.0050.00317.00
8.0.180.0000.00716.95
8.0.170.0060.00316.83
8.0.160.0000.00716.81
8.0.150.0040.00416.86
8.0.140.0040.00416.83
8.0.130.0050.00013.30
8.0.120.0050.00316.91
8.0.110.0040.00416.95
8.0.100.0000.00716.86
8.0.90.0070.00016.86
8.0.80.0040.01416.85
8.0.70.0020.00516.73
8.0.60.0040.00416.95
8.0.50.0040.00416.96
8.0.30.0100.00917.16
8.0.20.0130.01017.41
8.0.10.0040.00416.90
8.0.00.0160.00516.68
7.4.330.0030.00315.00
7.4.320.0060.00016.62
7.4.300.0000.00716.54
7.4.290.0000.00716.67
7.4.280.0040.00416.59
7.4.270.0040.00416.61
7.4.260.0070.00016.50
7.4.250.0040.00416.59
7.4.240.0020.00616.52
7.4.230.0040.00416.60
7.4.220.0060.01116.65
7.4.210.0070.01316.57
7.4.200.0040.00416.60
7.4.160.0130.00316.43
7.4.150.0090.00917.40
7.4.140.0100.00717.86
7.4.130.0070.01016.63
7.4.120.0050.01116.60
7.4.110.0090.00616.54
7.4.100.0110.00616.62
7.4.90.0000.01916.48
7.4.80.0130.01019.39
7.4.70.0120.00416.61
7.4.60.0100.01016.32
7.4.50.0080.00016.32
7.4.40.0140.00916.57
7.4.30.0060.00916.52
7.4.00.0130.00514.96
7.3.330.0000.00613.26
7.3.320.0000.00513.33
7.3.310.0000.00816.09
7.3.300.0000.00616.27
7.3.290.0080.00616.26
7.3.280.0090.01116.24
7.3.270.0120.00617.40
7.3.260.0180.00616.27
7.3.250.0130.00616.48
7.3.240.0120.00616.49
7.3.230.0070.01016.46
7.3.210.0170.00016.34
7.3.200.0080.00819.39
7.3.190.0040.01416.32
7.3.180.0120.00916.55
7.3.170.0070.01016.52
7.3.160.0090.00916.35
7.3.120.0100.00714.87
7.3.110.0130.00614.63
7.3.100.0090.00614.61
7.3.90.0000.01614.45
7.3.80.0040.00814.75
7.3.70.0070.00314.89
7.3.60.0060.00614.68
7.3.50.0040.00714.69
7.3.40.0060.00914.84
7.3.30.0070.00314.82
7.3.20.0030.01016.50
7.3.10.0060.00616.37
7.3.00.0090.00416.49
7.2.330.0110.01216.38
7.2.320.0090.00916.26
7.2.310.0060.01616.47
7.2.300.0060.01216.35
7.2.290.0030.01316.55
7.2.250.0100.01014.84
7.2.240.0070.00715.16
7.2.230.0090.00614.77
7.2.220.0070.00715.22
7.2.210.0060.00914.61
7.2.200.0060.00614.91
7.2.190.0060.00615.00
7.2.180.0090.00314.78
7.2.170.0000.01115.05
7.2.60.0000.01116.71
7.2.00.0030.01219.00
7.1.330.0030.01415.72
7.1.320.0040.00815.68
7.1.310.0100.00015.56
7.1.300.0040.01115.59
7.1.290.0070.00715.54
7.1.280.0060.00315.57
7.1.270.0000.01215.77
7.1.260.0000.01115.83
7.1.200.0060.00615.52
7.1.100.0040.01118.09
7.1.70.0030.00317.12
7.1.60.0070.01719.46
7.1.50.0030.01917.05
7.1.00.0000.08022.40
7.0.200.0060.00316.69
7.0.140.0000.07721.95
7.0.60.0030.07719.96
7.0.50.0070.07017.92
7.0.40.0130.08020.40
7.0.30.0100.04720.10
7.0.20.0230.04720.33
7.0.10.0200.04720.36
7.0.00.0100.07720.05
5.6.280.0130.06321.14
5.6.210.0070.08320.51
5.6.200.0100.08018.17
5.6.190.0070.04720.51
5.6.180.0170.04720.64
5.6.170.0230.08020.56
5.6.160.0030.06020.52
5.6.150.0030.07718.13
5.6.140.0100.08018.26
5.6.130.0000.05718.14
5.6.120.0070.05021.04
5.6.110.0070.07721.02
5.6.100.0030.08721.01
5.6.90.0070.07020.96
5.6.80.0130.07320.52
5.6.70.3700.03720.41
5.5.350.0170.05020.36
5.5.340.0100.07717.98
5.5.330.0000.04320.30
5.5.320.0470.06320.34
5.5.310.0300.08020.21
5.5.300.0070.06318.08
5.5.290.0100.08017.97
5.5.280.0170.07020.70
5.5.270.0070.06320.69
5.5.260.0270.06720.98
5.5.250.0000.07720.48
5.5.240.4130.03720.25
5.4.450.0100.04719.41
5.4.440.0100.04719.49
5.4.430.0200.03719.55
5.4.420.0100.04719.57
5.4.410.0100.03319.51
5.4.400.0200.02019.22
5.4.390.0100.04718.98
5.4.380.0400.05318.63
5.4.370.0370.05718.53
5.4.360.0730.04718.62
5.4.350.0370.07018.77
5.4.340.0330.06018.78
5.4.320.0070.04312.51
5.4.310.0070.03712.51
5.4.300.0060.04912.52
5.4.290.0060.04112.51
5.4.280.0120.03712.41
5.4.270.0050.03712.41
5.4.260.0060.04512.40
5.4.250.0080.03812.41
5.4.240.0100.03712.40
5.4.230.0060.03812.40
5.4.220.0080.03212.40
5.4.210.0070.03312.40
5.4.200.0050.03912.40
5.4.190.0070.04212.39
5.4.180.0070.04212.39
5.4.170.0050.04112.40
5.4.160.0060.03512.40
5.4.150.0030.03812.40
5.4.140.0060.03712.07
5.4.130.0070.03612.07
5.4.120.0080.03812.02
5.4.110.0100.03512.02
5.4.100.0030.03712.02
5.4.90.0050.04312.02
5.4.80.0090.03712.02
5.4.70.0090.03212.02
5.4.60.0050.03412.01
5.4.50.0060.03712.02
5.4.40.0080.04012.00
5.4.30.0070.04012.00
5.4.20.0030.03712.00
5.4.10.0060.03312.00
5.4.00.0050.03711.49
5.3.290.0050.04012.80
5.3.280.0080.04412.71
5.3.270.0080.03712.72
5.3.260.0090.04412.72
5.3.250.0070.03512.72
5.3.240.0070.03612.72
5.3.230.0090.04012.71
5.3.220.0060.04312.68
5.3.210.0050.04012.68
5.3.200.0060.04412.68
5.3.190.0030.03912.68
5.3.180.0060.04312.67
5.3.170.0080.03312.67
5.3.160.0090.04012.67
5.3.150.0050.03712.67
5.3.140.0070.03612.66
5.3.130.0060.03912.66
5.3.120.0090.04312.66
5.3.110.0070.04212.66
5.3.100.0100.03612.12
5.3.90.0050.03912.11
5.3.80.0040.03812.09
5.3.70.0110.04812.09
5.3.60.0040.03712.08
5.3.50.0050.03712.02
5.3.40.0050.03612.02
5.3.30.0100.03411.98
5.3.20.0070.03311.77
5.3.10.0050.03611.73
5.3.00.0070.03411.71
5.2.170.0040.0309.21
5.2.160.0040.0299.21
5.2.150.0060.0299.21
5.2.140.0050.0299.21
5.2.130.0070.0269.17
5.2.120.0030.0359.18
5.2.110.0060.0289.18
5.2.100.0060.0279.18
5.2.90.0030.0309.17
5.2.80.0060.0299.17
5.2.70.0040.0309.18
5.2.60.0040.0309.13
5.2.50.0030.0319.09
5.2.40.0060.0289.07
5.2.30.0040.0319.05
5.2.20.0090.0259.04
5.2.10.0050.0348.94
5.2.00.0060.0278.81
5.1.60.0030.0248.08
5.1.50.0040.0248.09
5.1.40.0010.0278.07
5.1.30.0030.0278.42
5.1.20.0040.0268.44
5.1.10.0070.0238.16
5.1.00.0080.0238.17
5.0.50.0030.0206.64
5.0.40.0070.0236.51
5.0.30.0060.0316.31
5.0.20.0040.0186.28
5.0.10.0020.0216.27
5.0.00.0040.0306.26
4.4.90.0020.0164.78
4.4.80.0040.0144.75
4.4.70.0050.0134.75
4.4.60.0040.0144.75
4.4.50.0020.0154.77
4.4.40.0030.0254.71
4.4.30.0020.0164.76
4.4.20.0030.0154.84
4.4.10.0010.0174.85
4.4.00.0010.0264.75
4.3.110.0020.0164.67
4.3.100.0010.0164.67
4.3.90.0020.0144.63
4.3.80.0040.0224.58
4.3.70.0020.0154.63
4.3.60.0030.0204.63
4.3.50.0020.0184.63
4.3.40.0040.0234.54
4.3.30.0040.0153.30
4.3.20.0010.0173.28
4.3.10.0010.0173.24
4.3.00.0000.02014.87

preferences:
45.58 ms | 401 KiB | 5 Q