3v4l.org

run code in 300+ PHP versions simultaneously
<?php $ar = ['a' => 'b']; $keys = ['a' => 'a']; function cb($v, $k){ return $v; } $start = microtime(true); print_r( array_map('cb', $ar, $keys) ); var_dump(microtime(true) - $start); $start = microtime(true); $foo = []; foreach($ar as $k => $v) $foo[$k] = call_user_func_array('cb', [$v, $k]); var_dump(microtime(true) - $start);

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)
7.1.70.0050.00317.19
7.1.60.0000.01116.96
7.1.50.0170.01016.89
7.1.00.0000.08022.43
7.0.200.0070.01116.93
7.0.140.0030.07322.16
7.0.60.0130.07319.93
7.0.50.0030.07017.72
7.0.40.0070.08320.24
7.0.30.0330.08020.25
7.0.20.0270.03320.05
7.0.10.0100.08720.05
7.0.00.0070.04720.13
5.6.280.0000.07320.81
5.6.210.0100.06720.54
5.6.200.0070.07318.29
5.6.190.0030.05720.55
5.6.180.0070.07320.77
5.6.170.0230.08020.54
5.6.160.0070.05320.56
5.6.150.0000.08018.15
5.6.140.0170.03718.18
5.6.130.0070.07018.29
5.6.120.0100.04320.97
5.6.110.0000.08020.89
5.6.100.0100.08021.03
5.6.90.0100.06721.10
5.6.80.0130.07020.53
5.5.350.0030.08720.35
5.5.340.0030.03718.02
5.5.330.0100.08020.21
5.5.320.0370.04320.23
5.5.310.0300.05720.27
5.5.300.0000.09018.05
5.5.290.0070.05018.08
5.5.280.0170.05720.77
5.5.270.0070.08020.76
5.5.260.0200.07320.87
5.5.250.0100.08020.69
5.5.240.0330.06720.27
5.4.450.0430.04719.42
5.4.440.0500.04319.54
5.4.430.0230.05019.63
5.4.420.0370.04319.16
5.4.410.0300.05019.19
5.4.400.0170.04018.85
5.4.390.0370.04719.23
5.4.380.0330.06018.47
5.4.370.0500.05318.63
5.4.360.0300.05318.75
5.4.350.0230.06318.84
5.4.340.0370.05718.74
5.4.320.0090.03212.50
5.4.310.0110.03712.50
5.4.300.0050.03812.50
5.4.290.0050.04012.50
5.4.280.0040.03812.39
5.4.270.0090.03412.40
5.4.260.0110.03612.40
5.4.250.0060.03912.40
5.4.240.0040.03912.39
5.4.230.0060.04112.39
5.4.220.0070.03712.39
5.4.210.0080.03712.39
5.4.200.0050.04112.39
5.4.190.0070.03712.39
5.4.180.0070.03812.39
5.4.170.0110.05012.39
5.4.160.0110.04512.39
5.4.150.0060.05012.39
5.4.140.0050.04212.07
5.4.130.0070.03712.06
5.4.120.0080.04012.01
5.4.110.0090.05412.02
5.4.100.0110.03812.01
5.4.90.0060.03912.01
5.4.80.0040.04012.01
5.4.70.0050.03612.01
5.4.60.0060.04012.00
5.4.50.0070.03512.01
5.4.40.0070.04512.00
5.4.30.0100.03011.99
5.4.20.0070.03911.99
5.4.10.0060.03711.99
5.4.00.0060.03511.48
5.3.290.0040.04012.80
5.3.280.0060.03812.70
5.3.270.0060.03912.73
5.3.260.0070.03912.71
5.3.250.0070.03712.72
5.3.240.0050.04812.72
5.3.230.0060.04912.71
5.3.220.0070.04112.68
5.3.210.0090.04412.68
5.3.200.0130.04612.68
5.3.190.0060.05212.68
5.3.180.0070.03812.67
5.3.170.0050.03812.67
5.3.160.0090.03412.67
5.3.150.0050.03912.67
5.3.140.0080.03412.66
5.3.130.0080.04012.66
5.3.120.0070.03812.66
5.3.110.0070.04112.66
5.3.100.0100.04612.12
5.3.90.0060.05012.09
5.3.80.0050.04512.08
5.3.70.0080.04212.07
5.3.60.0080.03612.06
5.3.50.0050.04012.00
5.3.40.0060.03812.00
5.3.30.0100.03111.95
5.3.20.0070.03411.72
5.3.10.0060.03511.70
5.3.00.0080.04711.68
5.2.170.0050.0309.18
5.2.160.0040.0329.18
5.2.150.0070.0289.18
5.2.140.0030.0339.18
5.2.130.0050.0309.14
5.2.120.0060.0279.14
5.2.110.0030.0319.15
5.2.100.0040.0299.14
5.2.90.0040.0299.14
5.2.80.0050.0309.14
5.2.70.0080.0409.14
5.2.60.0040.0349.09
5.2.50.0040.0309.05
5.2.40.0040.0299.04
5.2.30.0060.0309.01
5.2.20.0060.0289.00
5.2.10.0040.0298.92
5.2.00.0040.0318.79
5.1.60.0030.0268.07
5.1.50.0040.0338.07
5.1.40.0030.0258.05
5.1.30.0070.0238.40
5.1.20.0070.0268.41
5.1.10.0060.0258.14
5.1.00.0030.0278.14
5.0.50.0040.0216.62
5.0.40.0020.0216.48
5.0.30.0040.0346.29
5.0.20.0050.0186.27
5.0.10.0050.0226.24
5.0.00.0030.0326.23
4.4.90.0050.0204.78
4.4.80.0030.0254.75
4.4.70.0050.0194.75
4.4.60.0020.0224.75
4.4.50.0030.0254.77
4.4.40.0050.0334.71
4.4.30.0060.0204.75
4.4.20.0040.0194.84
4.4.10.0010.0174.85
4.4.00.0030.0254.76
4.3.110.0010.0174.67
4.3.100.0040.0144.66
4.3.90.0050.0134.64
4.3.80.0060.0214.58
4.3.70.0040.0134.63
4.3.60.0010.0164.63
4.3.50.0010.0184.63
4.3.40.0030.0244.54
4.3.30.0020.0173.29
4.3.20.0050.0243.26
4.3.10.0040.0203.22
4.3.00.0030.01315.91

preferences:
36.2 ms | 401 KiB | 5 Q