3v4l.org

run code in 300+ PHP versions simultaneously
<?php global $aHash; $i=0; $tmp=''; while($i < 10000) {  $tmp .= 'a';  ++$i;} $aHash = array_fill(100000000000000000000000, 100, $tmp); unset($i, $tmp); Test2_3(); Test2_End(); function Test2_3()  {     global $aHash;     $t = microtime(true);     $key = array_keys($aHash);     $size = sizeOf($key);     for ($i=0; $i<$size; $i++)  $aHash[$key[$i]] .= "a";  return (microtime(true) - $t); } function Test2_End()  {     global $aHash; unset($aHash); } ?>

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)
5.4.310.0070.03512.49
5.4.300.0090.04212.50
5.4.290.0050.03912.49
5.4.280.0110.03612.39
5.4.270.0080.03412.39
5.4.260.0100.03412.39
5.4.250.0070.03712.39
5.4.240.0080.03212.39
5.4.230.0100.04012.38
5.4.220.0100.04712.38
5.4.210.0040.03712.38
5.4.200.0110.05512.38
5.4.190.0030.04412.38
5.4.180.0070.03612.38
5.4.170.0090.03312.39
5.4.160.0040.03812.38
5.4.150.0080.03512.38
5.4.140.0030.04012.07
5.4.130.0060.04512.05
5.4.120.0050.03712.02
5.4.110.0110.03912.01
5.4.100.0080.03312.02
5.4.90.0060.03612.01
5.4.80.0090.03412.01
5.4.70.0050.03512.00
5.4.60.0080.03312.01
5.4.50.0090.03212.01
5.4.40.0060.03411.99
5.4.30.0050.03611.99
5.4.20.0060.03511.98
5.4.10.0060.04212.00
5.4.00.0060.04111.48
5.3.280.0090.05212.71
5.3.270.0080.03812.72
5.3.260.0110.03412.72
5.3.250.0050.03912.72
5.3.240.0110.03812.72
5.3.230.0070.03712.71
5.3.220.0070.03612.68
5.3.210.0070.03812.68
5.3.200.0060.03712.68
5.3.190.0060.03712.68
5.3.180.0070.03812.67
5.3.170.0070.03612.67
5.3.160.0100.03312.67
5.3.150.0070.03712.67
5.3.140.0070.03612.66
5.3.130.0040.04112.66
5.3.120.0060.04012.66
5.3.110.0070.04112.66
5.3.100.0090.03712.12
5.3.90.0080.03512.08
5.3.80.0080.03412.07
5.3.70.0100.04012.07
5.3.60.0060.04212.07
5.3.50.0050.03812.00
5.3.40.0080.03512.00
5.3.30.0090.03011.95
5.3.20.0070.03311.72
5.3.10.0080.03911.70
5.3.00.0070.03511.69
5.2.170.0050.0299.19
5.2.160.0070.0279.19
5.2.150.0040.0319.18
5.2.140.0040.0329.18
5.2.130.0040.0299.14
5.2.120.0070.0319.14
5.2.110.0070.0289.14
5.2.100.0080.0269.14
5.2.90.0040.0299.14
5.2.80.0030.0309.14
5.2.70.0040.0309.14
5.2.60.0050.0309.09
5.2.50.0050.0379.06
5.2.40.0060.0319.04
5.2.30.0030.0329.01
5.2.20.0060.0299.01
5.2.10.0040.0298.92
5.2.00.0070.0298.79
5.1.60.0080.0208.07
5.1.50.0050.0248.07
5.1.40.0050.0248.05
5.1.30.0040.0268.39
5.1.20.0060.0258.41
5.1.10.0090.0218.14
5.1.00.0070.0238.14
5.0.50.0010.0236.62
5.0.40.0040.0196.48
5.0.30.0040.0316.29
5.0.20.0040.0196.27
5.0.10.0040.0196.24
5.0.00.0020.0316.24
4.4.90.0030.0144.78
4.4.80.0020.0154.75
4.4.70.0010.0174.75
4.4.60.0010.0174.75
4.4.50.0060.0134.77
4.4.40.0050.0244.71
4.4.30.0060.0134.76
4.4.20.0020.0234.85
4.4.10.0040.0214.85
4.4.00.0020.0314.76
4.3.110.0020.0164.66
4.3.100.0010.0184.66
4.3.90.0050.0134.63
4.3.80.0050.0224.59
4.3.70.0040.0204.63
4.3.60.0060.0154.62
4.3.50.0040.0194.63
4.3.40.0040.0254.53
4.3.30.0030.0153.28
4.3.20.0000.0183.26
4.3.10.0020.0183.21
4.3.00.0000.01315.90

preferences:
140.47 ms | 1394 KiB | 7 Q