3v4l.org

run code in 300+ PHP versions simultaneously
<?php require_once('class.palprimechecker.php'); $checker = new PalprimeChecker(); $checker -> number = 17; echo "The number " . $checker->number . " "; echo if($checker->isPalprime()){ echo "is"; } else { echo "is not"; } echo " a palprime."; ?>

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)
5.4.320.0040.03912.50
5.4.310.0060.03812.50
5.4.300.0060.03612.50
5.4.290.0040.04012.50
5.4.280.0070.03612.39
5.4.270.0050.03712.39
5.4.260.0080.03512.39
5.4.250.0090.03512.39
5.4.240.0090.03312.39
5.4.230.0050.03912.38
5.4.220.0090.03312.38
5.4.210.0070.03612.39
5.4.200.0050.03812.38
5.4.190.0040.03712.38
5.4.180.0050.03712.38
5.4.170.0050.04012.39
5.4.160.0090.03212.39
5.4.150.0060.03512.38
5.4.140.0080.03612.07
5.4.130.0050.03912.05
5.4.120.0050.04212.02
5.4.110.0090.03312.02
5.4.100.0040.03712.01
5.4.90.0050.03712.02
5.4.80.0100.03612.02
5.4.70.0100.04012.01
5.4.60.0050.04112.01
5.4.50.0060.03512.01
5.4.40.0050.04212.00
5.4.30.0070.04111.99
5.4.20.0050.03911.99
5.4.10.0040.03712.00
5.4.00.0030.03811.48
5.3.290.0090.04012.80
5.3.280.0080.04112.71
5.3.270.0070.04512.73
5.3.260.0110.03612.72
5.3.250.0080.03712.72
5.3.240.0070.03612.71
5.3.230.0060.03912.71
5.3.220.0050.03912.68
5.3.210.0070.04712.68
5.3.200.0040.03912.68
5.3.190.0050.03812.67
5.3.180.0050.04212.67
5.3.170.0060.03912.66
5.3.160.0060.04712.67
5.3.150.0060.03612.68
5.3.140.0080.04012.66
5.3.130.0090.04112.66
5.3.120.0060.03912.66
5.3.110.0110.04312.66
5.3.100.0110.03612.12
5.3.90.0050.03712.08
5.3.80.0080.03812.07
5.3.70.0080.03412.07
5.3.60.0090.03912.06
5.3.50.0090.03312.00
5.3.40.0040.03812.00
5.3.30.0060.03411.95
5.3.20.0060.03511.72
5.3.10.0090.03211.70
5.3.00.0060.03911.69
5.2.170.0060.0299.19
5.2.160.0060.0349.19
5.2.150.0050.0299.19
5.2.140.0050.0399.18
5.2.130.0030.0349.14
5.2.120.0050.0369.14
5.2.110.0040.0319.15
5.2.100.0080.0279.14
5.2.90.0060.0299.14
5.2.80.0060.0299.14
5.2.70.0050.0359.14
5.2.60.0060.0299.09
5.2.50.0070.0289.05
5.2.40.0040.0309.04
5.2.30.0050.0299.01
5.2.20.0060.0279.01
5.2.10.0090.0298.93
5.2.00.0050.0288.78
5.1.60.0060.0218.07
5.1.50.0060.0298.06
5.1.40.0070.0328.05
5.1.30.0030.0318.40
5.1.20.0050.0258.42
5.1.10.0030.0278.15
5.1.00.0000.0318.14
5.0.50.0040.0276.62
5.0.40.0050.0256.48
5.0.30.0040.0326.30
5.0.20.0080.0226.26
5.0.10.0070.0196.24
5.0.00.0030.0356.23
4.4.90.0040.0184.78
4.4.80.0020.0194.76
4.4.70.0040.0164.75
4.4.60.0020.0164.75
4.4.50.0020.0164.77
4.4.40.0030.0254.71
4.4.30.0040.0144.76
4.4.20.0030.0154.84
4.4.10.0010.0174.85
4.4.00.0040.0244.76
4.3.110.0030.0164.66
4.3.100.0020.0164.67
4.3.90.0030.0144.63
4.3.80.0040.0234.58
4.3.70.0030.0154.63
4.3.60.0040.0144.63
4.3.50.0040.0184.63
4.3.40.0030.0254.54
4.3.30.0020.0173.29
4.3.20.0030.0173.27
4.3.10.0020.0173.22
4.3.00.0000.02015.63

preferences:
160.79 ms | 1394 KiB | 7 Q