3v4l.org

run code in 300+ PHP versions simultaneously
<?php // Initial Configuration global $aHash; $i   = 0; $tmp = ''; while($i < 10000) {  $tmp .= 'a';  ++$i;} $aHash = array_fill(100000000000000000000000, 100, $tmp); unset($i, $tmp); Test2_3(); Test2_End(); // Test Source function Test2_3()  {     global $aHash;     /* The Test */     $t = microtime(true);     $key = array_keys($aHash);     $size = sizeOf($key);     for ($i=0; $i<$size; $i++)  $aHash[$key[$i]] .= "a";  return (microtime(true) - $t); } // Variable Clean-up 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)
5.4.310.0060.03812.49
5.4.300.0080.03412.50
5.4.290.0030.04012.49
5.4.280.0040.03712.39
5.4.270.0050.04112.39
5.4.260.0030.04112.39
5.4.250.0060.05112.39
5.4.240.0060.03812.39
5.4.230.0080.03612.38
5.4.220.0030.04012.38
5.4.210.0070.03612.38
5.4.200.0030.04012.38
5.4.190.0080.04012.38
5.4.180.0050.04412.38
5.4.170.0070.03512.39
5.4.160.0100.04012.38
5.4.150.0100.03512.38
5.4.140.0080.03812.07
5.4.130.0050.05012.05
5.4.120.0080.04412.02
5.4.110.0070.04312.01
5.4.100.0050.03612.01
5.4.90.0070.03512.01
5.4.80.0030.04012.01
5.4.70.0060.03312.01
5.4.60.0070.03312.00
5.4.50.0030.04112.01
5.4.40.0050.04012.00
5.4.30.0060.03511.99
5.4.20.0040.03611.98
5.4.10.0070.03311.99
5.4.00.0100.03211.48
5.3.280.0060.04012.71
5.3.270.0060.04012.72
5.3.260.0100.03612.72
5.3.250.0070.03612.72
5.3.240.0100.03612.71
5.3.230.0070.04012.71
5.3.220.0070.04012.68
5.3.210.0060.04212.68
5.3.200.0080.04012.68
5.3.190.0070.04112.68
5.3.180.0020.04212.67
5.3.170.0110.03312.67
5.3.160.0110.03612.67
5.3.150.0050.05212.67
5.3.140.0060.03812.66
5.3.130.0030.04512.66
5.3.120.0070.04212.66
5.3.110.0070.04412.66
5.3.100.0070.04012.12
5.3.90.0060.03712.08
5.3.80.0090.03512.07
5.3.70.0060.04412.07
5.3.60.0080.03712.06
5.3.50.0050.04112.00
5.3.40.0080.04812.00
5.3.30.0090.04511.95
5.3.20.0060.04011.72
5.3.10.0080.04211.70
5.3.00.0100.04311.68
5.2.170.0080.0349.18
5.2.160.0080.0319.18
5.2.150.0060.0339.18
5.2.140.0060.0349.17
5.2.130.0040.0319.14
5.2.120.0030.0319.14
5.2.110.0030.0319.14
5.2.100.0050.0289.14
5.2.90.0050.0299.14
5.2.80.0060.0299.13
5.2.70.0070.0289.14
5.2.60.0020.0329.09
5.2.50.0050.0299.06
5.2.40.0030.0319.04
5.2.30.0060.0299.01
5.2.20.0060.0339.00
5.2.10.0060.0278.93
5.2.00.0050.0318.79
5.1.60.0050.0258.07
5.1.50.0050.0268.07
5.1.40.0080.0248.05
5.1.30.0050.0318.39
5.1.20.0020.0298.42
5.1.10.0060.0268.14
5.1.00.0080.0278.14
5.0.50.0030.0216.62
5.0.40.0020.0206.49
5.0.30.0020.0326.29
5.0.20.0040.0196.26
5.0.10.0080.0156.24
5.0.00.0040.0306.23
4.4.90.0000.0184.78
4.4.80.0030.0154.76
4.4.70.0030.0154.76
4.4.60.0030.0154.75
4.4.50.0010.0174.77
4.4.40.0040.0244.71
4.4.30.0040.0154.76
4.4.20.0030.0174.84
4.4.10.0040.0144.85
4.4.00.0000.0274.76
4.3.110.0010.0224.67
4.3.100.0040.0144.67
4.3.90.0010.0164.63
4.3.80.0030.0244.58
4.3.70.0020.0154.63
4.3.60.0030.0144.63
4.3.50.0020.0164.63
4.3.40.0040.0234.54
4.3.30.0020.0163.28
4.3.20.0050.0133.26
4.3.10.0000.0183.22
4.3.00.0070.01315.90

preferences:
136.31 ms | 1394 KiB | 7 Q