3v4l.org

run code in 300+ PHP versions simultaneously
<?php function getRef(&$tak) { $tak .= "tasads"; ) $var = "Ta"; echo $var + "<br>"; getRef($var); echo $var + "<br>";

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)
5.4.320.0050.03912.52
5.4.310.0070.03812.52
5.4.300.0040.03912.52
5.4.290.0070.03812.51
5.4.280.0060.03512.41
5.4.270.0070.03612.41
5.4.260.0080.03612.41
5.4.250.0060.03812.41
5.4.240.0050.03712.41
5.4.230.0060.03812.40
5.4.220.0070.03512.40
5.4.210.0090.03312.40
5.4.200.0070.03512.40
5.4.190.0070.04312.40
5.4.180.0070.03512.40
5.4.170.0070.03612.41
5.4.160.0070.03512.40
5.4.150.0050.03612.39
5.4.140.0080.03512.09
5.4.130.0090.03312.07
5.4.120.0100.03612.03
5.4.110.0080.03612.03
5.4.100.0060.03412.03
5.4.90.0070.03512.03
5.4.80.0050.03712.03
5.4.70.0050.03812.03
5.4.60.0060.03712.03
5.4.50.0040.03612.03
5.4.40.0050.03412.02
5.4.30.0080.03512.01
5.4.20.0060.03912.01
5.4.10.0080.03812.01
5.4.00.0040.04111.51
5.3.290.0050.03812.80
5.3.280.0070.03612.71
5.3.270.0080.03812.72
5.3.260.0040.04112.72
5.3.250.0070.04212.72
5.3.240.0060.04112.72
5.3.230.0100.03812.71
5.3.220.0060.04212.68
5.3.210.0070.04112.68
5.3.200.0070.03912.68
5.3.190.0070.03612.68
5.3.180.0070.03812.67
5.3.170.0050.03912.67
5.3.160.0090.03412.67
5.3.150.0080.04112.68
5.3.140.0080.03512.66
5.3.130.0070.03812.65
5.3.120.0070.03712.66
5.3.110.0070.03612.66
5.3.100.0070.03812.13
5.3.90.0040.04012.11
5.3.80.0040.03612.09
5.3.70.0040.03912.09
5.3.60.0070.03512.08
5.3.50.0050.03612.02
5.3.40.0040.03912.02
5.3.30.0050.03511.98
5.3.20.0050.03411.77
5.3.10.0050.03411.74
5.3.00.0070.03511.72
5.2.170.0060.0299.22
5.2.160.0030.0319.22
5.2.150.0070.0349.22
5.2.140.0040.0319.21
5.2.130.0030.0309.17
5.2.120.0040.0279.17
5.2.110.0050.0289.18
5.2.100.0040.0299.18
5.2.90.0030.0309.18
5.2.80.0030.0319.17
5.2.70.0070.0299.17
5.2.60.0050.0299.13
5.2.50.0060.0319.09
5.2.40.0020.0329.07
5.2.30.0050.0299.05
5.2.20.0040.0279.04
5.2.10.0050.0278.95
5.2.00.0050.0288.80
5.1.60.0070.0218.09
5.1.50.0040.0258.08
5.1.40.0040.0248.07
5.1.30.0040.0258.42
5.1.20.0070.0258.43
5.1.10.0030.0268.16
5.1.00.0040.0258.16
5.0.50.0040.0216.64
5.0.40.0040.0236.50
5.0.30.0040.0306.31
5.0.20.0040.0196.28
5.0.10.0020.0206.26
5.0.00.0030.0306.25
4.4.90.0050.0124.78
4.4.80.0040.0144.75
4.4.70.0030.0154.75
4.4.60.0050.0144.76
4.4.50.0020.0164.77
4.4.40.0020.0254.71
4.4.30.0050.0134.76
4.4.20.0040.0164.84
4.4.10.0040.0144.85
4.4.00.0040.0264.76
4.3.110.0030.0184.67
4.3.100.0020.0144.67
4.3.90.0020.0184.63
4.3.80.0030.0234.58
4.3.70.0030.0154.63
4.3.60.0030.0184.63
4.3.50.0030.0184.63
4.3.40.0030.0264.54
4.3.30.0020.0163.30
4.3.20.0020.0163.27
4.3.10.0030.0143.24
4.3.00.0070.01716.03

preferences:
140.49 ms | 1386 KiB | 7 Q