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->number.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)
5.4.320.0050.03812.50
5.4.310.0040.03812.49
5.4.300.0070.04012.50
5.4.290.0070.03812.50
5.4.280.0060.03412.39
5.4.270.0080.03412.39
5.4.260.0090.04312.39
5.4.250.0120.03612.39
5.4.240.0060.03812.39
5.4.230.0070.04412.38
5.4.220.0090.03712.39
5.4.210.0100.04212.39
5.4.200.0060.04612.38
5.4.190.0090.03612.38
5.4.180.0050.03712.38
5.4.170.0070.03912.39
5.4.160.0070.03612.38
5.4.150.0060.03712.38
5.4.140.0140.03412.07
5.4.130.0050.04312.05
5.4.120.0070.04312.02
5.4.110.0120.03512.02
5.4.100.0060.04312.02
5.4.90.0050.04212.01
5.4.80.0060.04112.01
5.4.70.0080.03512.01
5.4.60.0120.03912.02
5.4.50.0070.03412.01
5.4.40.0060.03412.00
5.4.30.0090.03811.99
5.4.20.0110.03811.99
5.4.10.0060.04011.99
5.4.00.0060.03511.49
5.3.290.0060.04712.80
5.3.280.0050.03812.71
5.3.270.0040.04012.73
5.3.260.0050.04012.72
5.3.250.0070.03512.72
5.3.240.0100.03212.72
5.3.230.0080.03512.71
5.3.220.0050.04112.68
5.3.210.0080.04112.68
5.3.200.0100.03612.68
5.3.190.0180.03512.68
5.3.180.0090.04412.68
5.3.170.0090.03912.67
5.3.160.0130.05112.67
5.3.150.0080.03612.67
5.3.140.0080.03912.66
5.3.130.0040.04812.66
5.3.120.0080.03912.66
5.3.110.0060.04112.66
5.3.100.0160.03712.12
5.3.90.0080.04112.08
5.3.80.0060.03612.07
5.3.70.0080.03812.07
5.3.60.0080.03912.07
5.3.50.0110.03312.00
5.3.40.0050.04812.00
5.3.30.0050.04211.95
5.3.20.0110.03611.73
5.3.10.0060.03611.70
5.3.00.0070.04111.69
5.2.170.0060.0319.19
5.2.160.0040.0379.19
5.2.150.0140.0289.18
5.2.140.0060.0389.18
5.2.130.0050.0329.14
5.2.120.0060.0349.14
5.2.110.0050.0319.14
5.2.100.0070.0359.14
5.2.90.0060.0359.14
5.2.80.0080.0379.14
5.2.70.0050.0349.14
5.2.60.0090.0329.09
5.2.50.0080.0319.06
5.2.40.0080.0289.04
5.2.30.0090.0349.01
5.2.20.0050.0389.01
5.2.10.0060.0328.92
5.2.00.0050.0298.78
5.1.60.0050.0298.07
5.1.50.0070.0238.07
5.1.40.0060.0268.05
5.1.30.0060.0258.40
5.1.20.0030.0318.42
5.1.10.0050.0268.14
5.1.00.0020.0318.14
5.0.50.0050.0236.63
5.0.40.0040.0226.48
5.0.30.0060.0336.29
5.0.20.0040.0206.27
5.0.10.0020.0226.24
5.0.00.0060.0316.23
4.4.90.0040.0144.78
4.4.80.0070.0174.76
4.4.70.0020.0164.76
4.4.60.0020.0164.76
4.4.50.0030.0154.77
4.4.40.0050.0234.71
4.4.30.0060.0134.76
4.4.20.0000.0194.84
4.4.10.0010.0174.85
4.4.00.0060.0264.76
4.3.110.0030.0234.67
4.3.100.0070.0144.67
4.3.90.0050.0174.63
4.3.80.0020.0274.58
4.3.70.0050.0174.63
4.3.60.0040.0254.63
4.3.50.0030.0164.63
4.3.40.0040.0304.54
4.3.30.0050.0193.29
4.3.20.0040.0163.27
4.3.10.0040.0263.22
4.3.00.0000.02015.63

preferences:
142.65 ms | 1394 KiB | 7 Q