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)
5.4.340.0040.03612.01
5.4.320.0060.03512.50
5.4.310.0060.03712.49
5.4.300.0070.03512.50
5.4.290.0050.03812.50
5.4.280.0060.03412.39
5.4.270.0050.03612.39
5.4.260.0050.03712.39
5.4.250.0030.04512.39
5.4.240.0080.03212.39
5.4.230.0080.04112.39
5.4.220.0070.03712.38
5.4.210.0050.03812.38
5.4.200.0060.04112.38
5.4.190.0100.04312.38
5.4.180.0040.03712.38
5.4.170.0050.04312.39
5.4.160.0060.03412.39
5.4.150.0070.03412.38
5.4.140.0100.03112.07
5.4.130.0060.03412.05
5.4.120.0040.03612.02
5.4.110.0070.04012.02
5.4.100.0100.03712.01
5.4.90.0090.03812.01
5.4.80.0100.03512.02
5.4.70.0070.03212.01
5.4.60.0050.03512.01
5.4.50.0030.03812.01
5.4.40.0070.03812.00
5.4.30.0030.03712.00
5.4.20.0090.03211.99
5.4.10.0030.03611.99
5.4.00.0070.04411.48
5.3.290.0080.03612.80
5.3.280.0090.04012.71
5.3.270.0050.04112.72
5.3.260.0070.04212.72
5.3.250.0050.04212.71
5.3.240.0040.04212.72
5.3.230.0110.03712.70
5.3.220.0030.04112.68
5.3.210.0070.03712.68
5.3.200.0030.03912.68
5.3.190.0040.03912.68
5.3.180.0040.03812.67
5.3.170.0060.03612.67
5.3.160.0060.03512.67
5.3.150.0040.03812.68
5.3.140.0080.03312.66
5.3.130.0060.04512.66
5.3.120.0080.03512.66
5.3.110.0100.04012.66
5.3.100.0050.03812.12
5.3.90.0080.03512.09
5.3.80.0060.04212.07
5.3.70.0060.03512.07
5.3.60.0070.03412.07
5.3.50.0050.03712.00
5.3.40.0060.03612.00
5.3.30.0040.04211.95
5.3.20.0040.04211.73
5.3.10.0080.03711.70
5.3.00.0030.03811.68
5.2.170.0090.0269.19
5.2.160.0030.0309.18
5.2.150.0040.0359.19
5.2.140.0040.0309.18
5.2.130.0050.0289.14
5.2.120.0040.0289.14
5.2.110.0040.0299.15
5.2.100.0040.0299.15
5.2.90.0030.0299.15
5.2.80.0080.0259.14
5.2.70.0050.0289.14
5.2.60.0030.0309.09
5.2.50.0060.0299.07
5.2.40.0030.0299.04
5.2.30.0060.0289.02
5.2.20.0080.0259.01
5.2.10.0050.0268.93
5.2.00.0050.0288.79
5.1.60.0040.0258.07
5.1.50.0040.0258.07
5.1.40.0030.0258.05
5.1.30.0050.0258.40
5.1.20.0050.0258.43
5.1.10.0040.0258.15
5.1.00.0030.0328.14
5.0.50.0030.0256.63
5.0.40.0050.0186.48
5.0.30.0010.0396.29
5.0.20.0050.0206.27
5.0.10.0020.0246.25
5.0.00.0030.0346.24
4.4.90.0030.0154.77
4.4.80.0030.0154.76
4.4.70.0030.0164.75
4.4.60.0050.0204.76
4.4.50.0020.0234.77
4.4.40.0020.0264.71
4.4.30.0030.0144.76
4.4.20.0030.0154.85
4.4.10.0020.0224.85
4.4.00.0020.0264.76
4.3.110.0010.0174.67
4.3.100.0010.0164.66
4.3.90.0050.0124.63
4.3.80.0010.0264.58
4.3.70.0030.0144.63
4.3.60.0050.0124.63
4.3.50.0040.0144.63
4.3.40.0020.0304.53
4.3.30.0010.0183.29
4.3.20.0030.0153.27
4.3.10.0020.0163.22
4.3.00.0000.0277.19

preferences:
142.58 ms | 1394 KiB | 7 Q