3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arrarr = array( array('a' => 0), array('a' => 1, 'b' => 2), array('a' => 2, 'b' => 3, 'c' => 4), array('a' => 3, 'b' => 4, 'c' => 5, 'd' => 6) ); foreach ($arrarr as $row) { foreach ($row as $key => &$value) { if ($key == 'b' || $key = 'd') { $value = 'foo'; } } print(implode(",", $row)); } var_dump $arrarr;

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)
5.4.340.0040.03512.01
5.4.320.0050.04012.50
5.4.310.0120.03612.50
5.4.300.0060.03512.50
5.4.290.0080.04012.50
5.4.280.0050.03512.39
5.4.270.0090.03312.39
5.4.260.0030.03912.39
5.4.250.0080.04312.39
5.4.240.0100.03012.39
5.4.230.0040.03812.38
5.4.220.0040.03612.39
5.4.210.0050.03512.39
5.4.200.0060.03912.39
5.4.190.0040.03912.38
5.4.180.0080.03712.38
5.4.170.0060.03612.39
5.4.160.0050.03512.38
5.4.150.0060.04312.38
5.4.140.0050.03712.07
5.4.130.0090.03712.05
5.4.120.0090.03712.02
5.4.110.0050.03512.02
5.4.100.0020.03912.02
5.4.90.0070.03912.02
5.4.80.0090.04212.01
5.4.70.0040.03512.01
5.4.60.0030.03612.01
5.4.50.0050.03612.01
5.4.40.0040.03512.00
5.4.30.0030.03711.99
5.4.20.0040.03611.99
5.4.10.0090.03612.00
5.4.00.0050.03511.49
5.3.290.0030.04112.80
5.3.280.0050.03712.71
5.3.270.0060.03712.73
5.3.260.0060.03712.72
5.3.250.0040.03812.72
5.3.240.0050.03812.72
5.3.230.0080.03512.70
5.3.220.0060.03512.68
5.3.210.0040.04012.68
5.3.200.0050.03612.68
5.3.190.0070.03512.67
5.3.180.0080.03312.67
5.3.170.0090.04312.67
5.3.160.0040.03812.67
5.3.150.0020.04112.68
5.3.140.0070.03412.66
5.3.130.0060.03712.66
5.3.120.0090.03512.66
5.3.110.0030.04212.65
5.3.100.0020.04012.12
5.3.90.0040.03712.08
5.3.80.0060.03612.08
5.3.70.0050.03712.07
5.3.60.0060.03612.06
5.3.50.0070.03612.00
5.3.40.0050.03712.00
5.3.30.0070.03411.95
5.3.20.0080.03311.73
5.3.10.0050.03511.70
5.3.00.0070.03811.69
5.2.170.0050.0309.19
5.2.160.0050.0289.19
5.2.150.0050.0309.18
5.2.140.0030.0319.18
5.2.130.0050.0289.14
5.2.120.0060.0299.14
5.2.110.0060.0359.15
5.2.100.0040.0299.15
5.2.90.0050.0319.15
5.2.80.0050.0299.14
5.2.70.0110.0329.14
5.2.60.0040.0309.09
5.2.50.0050.0319.06
5.2.40.0070.0339.04
5.2.30.0020.0319.02
5.2.20.0020.0309.01
5.2.10.0060.0258.93
5.2.00.0040.0298.79
5.1.60.0020.0268.08
5.1.50.0030.0258.07
5.1.40.0040.0238.05
5.1.30.0020.0288.40
5.1.20.0020.0288.42
5.1.10.0050.0278.15
5.1.00.0060.0248.15
5.0.50.0040.0236.62
5.0.40.0040.0196.49
5.0.30.0010.0336.30
5.0.20.0030.0196.27
5.0.10.0030.0196.24
5.0.00.0050.0326.24
4.4.90.0010.0164.78
4.4.80.0020.0174.75
4.4.70.0010.0164.76
4.4.60.0020.0174.75
4.4.50.0020.0154.77
4.4.40.0010.0364.71
4.4.30.0060.0124.76
4.4.20.0020.0204.84
4.4.10.0020.0174.84
4.4.00.0040.0234.76
4.3.110.0050.0194.67
4.3.100.0030.0194.67
4.3.90.0030.0144.64
4.3.80.0030.0234.58
4.3.70.0030.0144.63
4.3.60.0040.0124.63
4.3.50.0010.0174.63
4.3.40.0040.0234.54
4.3.30.0010.0163.29
4.3.20.0020.0153.27
4.3.10.0030.0143.22
4.3.00.0070.0407.19

preferences:
136.17 ms | 1394 KiB | 7 Q