3v4l.org

run code in 300+ PHP versions simultaneously
<?php function is_array_assoc($arr) { return array_keys($arr) !== range(0, count($arr) - 1); } $arr ['test', 'me']; krsort($arr); var_dump(is_array_assoc($arr));

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)
5.4.310.0040.04612.52
5.4.300.0060.04012.52
5.4.290.0080.04112.52
5.4.280.0040.03612.41
5.4.270.0080.04012.41
5.4.260.0050.03812.41
5.4.250.0080.03412.41
5.4.240.0050.04812.41
5.4.230.0030.04212.41
5.4.220.0040.03712.40
5.4.210.0080.03312.41
5.4.200.0070.04112.40
5.4.190.0020.03812.40
5.4.180.0080.03912.40
5.4.170.0040.04212.40
5.4.160.0050.03812.40
5.4.150.0060.04012.39
5.4.140.0090.03812.09
5.4.130.0040.04012.07
5.4.120.0090.03512.03
5.4.110.0050.03512.03
5.4.100.0060.03512.03
5.4.90.0090.03512.03
5.4.80.0060.03812.03
5.4.70.0060.03912.02
5.4.60.0080.03512.02
5.4.50.0060.03412.03
5.4.40.0050.03512.01
5.4.30.0080.03612.01
5.4.20.0040.03612.01
5.4.10.0070.03912.01
5.4.00.0060.03411.50
5.3.280.0080.03512.71
5.3.270.0060.03812.72
5.3.260.0040.04412.72
5.3.250.0080.03512.72
5.3.240.0090.03412.72
5.3.230.0050.03912.71
5.3.220.0090.03312.68
5.3.210.0030.04212.68
5.3.200.0080.03412.68
5.3.190.0070.03712.68
5.3.180.0040.03812.68
5.3.170.0040.03812.67
5.3.160.0050.03912.67
5.3.150.0080.04412.68
5.3.140.0060.03612.66
5.3.130.0090.03512.66
5.3.120.0090.03712.66
5.3.110.0080.03812.66
5.3.100.0050.03712.12
5.3.90.0060.03912.11
5.3.80.0080.03812.09
5.3.70.0050.03712.09
5.3.60.0060.03512.08
5.3.50.0050.03712.03
5.3.40.0080.03512.02
5.3.30.0060.03611.98
5.3.20.0050.03511.77
5.3.10.0040.03611.73
5.3.00.0090.03211.71
5.2.170.0060.0289.22
5.2.160.0050.0299.22
5.2.150.0040.0329.22
5.2.140.0080.0279.21
5.2.130.0080.0269.17
5.2.120.0070.0299.18
5.2.110.0020.0309.18
5.2.100.0030.0309.18
5.2.90.0070.0299.18
5.2.80.0050.0369.17
5.2.70.0040.0319.18
5.2.60.0060.0289.13
5.2.50.0040.0309.09
5.2.40.0030.0299.06
5.2.30.0030.0319.05
5.2.20.0050.0289.04
5.2.10.0050.0288.95
5.2.00.0060.0368.80
5.1.60.0060.0228.09
5.1.50.0020.0288.08
5.1.40.0020.0338.07
5.1.30.0050.0248.42
5.1.20.0050.0258.43
5.1.10.0100.0308.16
5.1.00.0070.0288.16
5.0.50.0030.0266.64
5.0.40.0020.0216.50
5.0.30.0030.0316.31
5.0.20.0030.0196.28
5.0.10.0030.0206.26
5.0.00.0030.0316.25
4.4.90.0050.0134.78
4.4.80.0050.0144.76
4.4.70.0030.0184.76
4.4.60.0010.0184.76
4.4.50.0050.0204.77
4.4.40.0030.0324.71
4.4.30.0060.0184.76
4.4.20.0040.0204.84
4.4.10.0030.0234.84
4.4.00.0020.0254.76
4.3.110.0040.0214.67
4.3.100.0030.0204.66
4.3.90.0030.0184.63
4.3.80.0030.0294.59
4.3.70.0020.0154.63
4.3.60.0030.0154.62
4.3.50.0040.0144.63
4.3.40.0020.0254.54
4.3.30.0030.0153.30
4.3.20.0020.0163.28
4.3.10.0030.0173.24
4.3.00.0030.0207.12

preferences:
142.8 ms | 1394 KiB | 7 Q