3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = json_encode(array('sleep' => 123)); $b = json_encode(array('sleep' => 987)); $logs = array(array('date' => '2014-01-01', 'data' => $a), array('date' => '2015-01-01' 'data' => $b)); $result = array_reduce($logs, function ($cur, $x) { var_dump($x); //$cur[$x] = $x; return $cur; }, array()); var_dump($result);

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)
5.4.260.0060.04512.36
5.4.250.0070.04712.36
5.4.240.0090.04112.36
5.4.230.0080.04212.35
5.4.220.0070.03612.36
5.4.210.0060.03712.35
5.4.200.0060.04312.35
5.4.190.0070.03812.35
5.4.180.0060.04412.35
5.4.170.0060.03812.36
5.4.160.0070.03712.35
5.4.150.0050.03912.35
5.4.140.0080.04012.04
5.4.130.0050.03912.02
5.4.120.0060.03611.98
5.4.110.0050.03711.98
5.4.100.0070.03811.98
5.4.90.0070.04111.98
5.4.80.0070.04111.98
5.4.70.0060.03711.98
5.4.60.0080.04311.98
5.4.50.0070.04511.98
5.4.40.0090.04411.96
5.4.30.0070.03611.96
5.4.20.0060.03611.95
5.4.10.0070.03811.96
5.4.00.0060.04411.45
5.3.280.0060.04112.71
5.3.270.0050.04112.72
5.3.260.0070.03812.72
5.3.250.0040.04112.72
5.3.240.0070.04212.72
5.3.230.0080.03812.71
5.3.220.0060.03812.68
5.3.210.0060.04112.68
5.3.200.0050.03812.68
5.3.190.0050.04212.67
5.3.180.0080.03612.67
5.3.170.0040.03912.67
5.3.160.0060.03712.67
5.3.150.0060.03712.67
5.3.140.0050.03712.66
5.3.130.0060.03912.66
5.3.120.0060.03912.66
5.3.110.0070.03812.66
5.3.100.0060.03812.12
5.3.90.0060.04312.08
5.3.80.0060.04112.07
5.3.70.0060.04312.08
5.3.60.0080.03612.06
5.3.50.0070.03912.00
5.3.40.0070.04012.00
5.3.30.0070.03911.94
5.3.20.0060.04111.70
5.3.10.0070.04011.65
5.3.00.0060.04011.64
5.2.170.0060.0329.14
5.2.160.0060.0329.14
5.2.150.0040.0359.14
5.2.140.0040.0359.14
5.2.130.0040.0369.10
5.2.120.0040.0349.10
5.2.110.0030.0349.11
5.2.100.0040.0339.11
5.2.90.0030.0349.10
5.2.80.0060.0359.09
5.2.70.0040.0359.09
5.2.60.0070.0349.05
5.2.50.0050.0349.02
5.2.40.0060.0368.99
5.2.30.0070.0338.98
5.2.20.0050.0368.96
5.2.10.0040.0338.89
5.2.00.0050.0328.75
5.1.60.0050.0278.03
5.1.50.0040.0288.03
5.1.40.0050.0288.02
5.1.30.0020.0308.36
5.1.20.0070.0298.40
5.1.10.0040.0308.11
5.1.00.0030.0358.11
5.0.50.0040.0256.59
5.0.40.0030.0256.45
5.0.30.0050.0376.26
5.0.20.0060.0236.23
5.0.10.0040.0246.21
5.0.00.0050.0346.20
4.4.90.0040.0224.78
4.4.80.0050.0184.75
4.4.70.0030.0164.75
4.4.60.0020.0164.76
4.4.50.0030.0164.77
4.4.40.0030.0254.71
4.4.30.0040.0154.76
4.4.20.0050.0144.84
4.4.10.0030.0154.85
4.4.00.0030.0244.76
4.3.110.0030.0154.67
4.3.100.0020.0154.67
4.3.90.0030.0144.64
4.3.80.0030.0264.58
4.3.70.0040.0154.63
4.3.60.0030.0174.63
4.3.50.0020.0174.62
4.3.40.0020.0254.54
4.3.30.0020.0173.28
4.3.20.0020.0173.26
4.3.10.0040.0153.23
4.3.00.0030.0206.86

preferences:
143.75 ms | 1394 KiB | 7 Q