3v4l.org

run code in 300+ PHP versions simultaneously
<?php function iprimes_upto($limit){ for ($i = 2; $i < $limit; $i++) { $primes[$i] = true; }  for ($n = 2; $n < $limit; $n++) { if ($primes[$n]) { for ($i = $n*$n; $i < $limit; $i += $n) { $primes[$i] = false; } } }  return $primes;} echo(iprimes_upto(1000);) ?>

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)
5.4.320.0040.03912.52
5.4.310.0060.04012.52
5.4.300.0050.03712.52
5.4.290.0090.04012.51
5.4.280.0040.03712.41
5.4.270.0040.03712.41
5.4.260.0030.03912.41
5.4.250.0070.03512.41
5.4.240.0030.03912.41
5.4.230.0050.03712.40
5.4.220.0080.04012.40
5.4.210.0040.03712.40
5.4.200.0100.03312.40
5.4.190.0040.03812.39
5.4.180.0050.03612.39
5.4.170.0070.03412.40
5.4.160.0050.03612.40
5.4.150.0060.03512.40
5.4.140.0060.03612.09
5.4.130.0060.03512.07
5.4.120.0030.03712.04
5.4.110.0040.03712.03
5.4.100.0080.03212.03
5.4.90.0060.03412.03
5.4.80.0080.04112.03
5.4.70.0090.03512.03
5.4.60.0080.03112.03
5.4.50.0050.03612.03
5.4.40.0020.03812.01
5.4.30.0060.03912.01
5.4.20.0060.03612.01
5.4.10.0060.03412.02
5.4.00.0030.04411.50
5.3.290.0060.03812.80
5.3.280.0070.03512.71
5.3.270.0080.04712.73
5.3.260.0100.04612.72
5.3.250.0050.03712.72
5.3.240.0030.03912.72
5.3.230.0050.03812.71
5.3.220.0130.02912.68
5.3.210.0090.03512.68
5.3.200.0110.03512.68
5.3.190.0110.03612.68
5.3.180.0060.03512.67
5.3.170.0080.03912.66
5.3.160.0120.04012.67
5.3.150.0070.04112.67
5.3.140.0040.03812.66
5.3.130.0040.03812.66
5.3.120.0060.03812.66
5.3.110.0100.03712.65
5.3.100.0060.04112.13
5.3.90.0010.04012.11
5.3.80.0110.03912.09
5.3.70.0080.03312.09
5.3.60.0060.03612.08
5.3.50.0070.03512.02
5.3.40.0060.03712.02
5.3.30.0080.03311.98
5.3.20.0030.03711.77
5.3.10.0080.03111.74
5.3.00.0060.04411.72
5.2.170.0050.0349.22
5.2.160.0070.0289.21
5.2.150.0070.0289.21
5.2.140.0120.0289.21
5.2.130.0040.0369.18
5.2.120.0090.0349.18
5.2.110.0040.0349.18
5.2.100.0060.0349.18
5.2.90.0070.0379.18
5.2.80.0050.0339.18
5.2.70.0030.0349.17
5.2.60.0040.0299.13
5.2.50.0050.0299.09
5.2.40.0060.0279.07
5.2.30.0010.0389.04
5.2.20.0070.0299.04
5.2.10.0040.0348.95
5.2.00.0030.0318.81
5.1.60.0060.0228.09
5.1.50.0040.0258.09
5.1.40.0050.0238.07
5.1.30.0020.0278.42
5.1.20.0060.0248.43
5.1.10.0050.0258.16
5.1.00.0050.0248.16
5.0.50.0040.0246.64
5.0.40.0030.0236.50
5.0.30.0020.0346.32
5.0.20.0030.0276.28
5.0.10.0030.0246.26
5.0.00.0070.0376.25
4.4.90.0020.0164.78
4.4.80.0040.0154.76
4.4.70.0040.0144.75
4.4.60.0050.0134.76
4.4.50.0050.0144.77
4.4.40.0060.0224.71
4.4.30.0050.0164.76
4.4.20.0060.0164.85
4.4.10.0030.0154.85
4.4.00.0060.0224.76
4.3.110.0010.0184.67
4.3.100.0050.0144.67
4.3.90.0050.0124.63
4.3.80.0070.0294.58
4.3.70.0050.0244.63
4.3.60.0060.0154.63
4.3.50.0060.0144.63
4.3.40.0040.0244.54
4.3.30.0030.0163.30
4.3.20.0020.0173.27
4.3.10.0000.0183.24
4.3.00.0000.0237.21

preferences:
141.87 ms | 1394 KiB | 7 Q