3v4l.org

run code in 300+ PHP versions simultaneously
<?php $path = "/var/www/foo"; var_dump($pаth."/user/supplied/path"); // prints /user/supplied/path, and emits a notice // let's write a random number generator function crypto_rnd() { $rnd = openssl_random_pseudo_bytes(100); // most likely secure $today = date('c'); // extra entropy can't hurt! return = hash("sha512", $r⁠n.$today); // oops, that's actually r\u2060nd, which is undefined, i.e. NULL, i.e. pwned } var_dump(crypto_rnd() === crypto_rnd()); // uh oh...

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)
5.4.320.0040.03812.52
5.4.310.0050.03912.51
5.4.300.0050.03812.52
5.4.290.0070.03712.51
5.4.280.0030.03912.41
5.4.270.0090.03212.41
5.4.260.0100.03412.41
5.4.250.0090.03512.41
5.4.240.0100.03312.41
5.4.230.0040.04012.40
5.4.220.0070.03512.40
5.4.210.0040.03712.40
5.4.200.0050.03812.40
5.4.190.0060.03612.40
5.4.180.0040.03812.39
5.4.170.0050.03812.40
5.4.160.0060.03712.40
5.4.150.0080.03412.40
5.4.140.0040.03912.09
5.4.130.0040.03712.07
5.4.120.0050.03612.04
5.4.110.0070.03312.03
5.4.100.0060.03512.03
5.4.90.0110.03212.03
5.4.80.0070.03812.03
5.4.70.0050.03512.02
5.4.60.0050.03512.03
5.4.50.0070.03612.03
5.4.40.0060.03812.01
5.4.30.0080.03712.01
5.4.20.0060.03812.01
5.4.10.0050.04112.01
5.4.00.0070.03411.50
5.3.290.0070.03812.80
5.3.280.0080.03512.71
5.3.270.0110.05412.72
5.3.260.0040.04612.72
5.3.250.0070.03612.72
5.3.240.0100.03512.72
5.3.230.0070.04512.71
5.3.220.0080.03512.68
5.3.210.0060.03912.68
5.3.200.0060.03712.68
5.3.190.0060.04212.68
5.3.180.0030.03912.67
5.3.170.0040.03812.67
5.3.160.0050.03712.67
5.3.150.0060.03612.67
5.3.140.0080.03412.66
5.3.130.0070.03712.66
5.3.120.0080.03612.66
5.3.110.0070.04412.66
5.3.100.0060.03612.12
5.3.90.0070.03412.11
5.3.80.0040.04212.10
5.3.70.0060.04012.10
5.3.60.0050.03912.08
5.3.50.0040.03912.02
5.3.40.0040.03712.02
5.3.30.0020.03811.98
5.3.20.0060.04011.76
5.3.10.0090.03411.73
5.3.00.0080.03911.72
5.2.170.0050.0309.22
5.2.160.0070.0299.22
5.2.150.0020.0339.22
5.2.140.0050.0319.21
5.2.130.0040.0349.18
5.2.120.0040.0319.18
5.2.110.0090.0269.18
5.2.100.0060.0279.18
5.2.90.0050.0299.18
5.2.80.0040.0309.17
5.2.70.0030.0329.17
5.2.60.0020.0329.13
5.2.50.0020.0329.11
5.2.40.0030.0299.08
5.2.30.0030.0319.05
5.2.20.0070.0259.04
5.2.10.0040.0288.95
5.2.00.0050.0318.81
5.1.60.0020.0258.10
5.1.50.0060.0288.09
5.1.40.0070.0238.07
5.1.30.0020.0288.42
5.1.20.0030.0298.43
5.1.10.0050.0258.17
5.1.00.0020.0288.17
5.0.50.0040.0306.64
5.0.40.0050.0276.51
5.0.30.0040.0306.31
5.0.20.0060.0166.28
5.0.10.0030.0206.26
5.0.00.0050.0306.25
4.4.90.0040.0144.78
4.4.80.0020.0174.75
4.4.70.0020.0164.75
4.4.60.0000.0184.75
4.4.50.0030.0154.77
4.4.40.0020.0264.71
4.4.30.0050.0144.76
4.4.20.0040.0184.84
4.4.10.0050.0154.84
4.4.00.0040.0254.76
4.3.110.0020.0184.67
4.3.100.0030.0194.67
4.3.90.0030.0204.64
4.3.80.0050.0344.58
4.3.70.0030.0194.63
4.3.60.0050.0134.63
4.3.50.0020.0174.63
4.3.40.0010.0264.54
4.3.30.0010.0163.30
4.3.20.0020.0163.27
4.3.10.0010.0173.25
4.3.00.0030.01018.41

preferences:
139.45 ms | 1394 KiB | 7 Q