3v4l.org

run code in 300+ PHP versions simultaneously
<?php class test {     public static $x;     public function __toString() {         self::$x = $this;         return __FILE__;     } } $a = new test; require_once $a; debug_zval_dump(test::$x);

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)
5.4.320.0070.04912.51
5.4.310.0050.03712.50
5.4.300.0040.03712.51
5.4.290.0090.05112.50
5.4.280.0080.03312.40
5.4.270.0050.03612.40
5.4.260.0050.03912.40
5.4.250.0020.04112.40
5.4.240.0050.03612.40
5.4.230.0050.03912.39
5.4.220.0060.05112.39
5.4.210.0090.05212.39
5.4.200.0070.05312.39
5.4.190.0090.05612.39
5.4.180.0080.05112.39
5.4.170.0060.04512.39
5.4.160.0060.03812.39
5.4.150.0080.03812.39
5.4.140.0090.04312.08
5.4.130.0070.03812.06
5.4.120.0050.03812.02
5.4.110.0120.05312.02
5.4.100.0130.04212.02
5.4.90.0110.05112.02
5.4.80.0110.05212.02
5.4.70.0050.03812.02
5.4.60.0070.04112.02
5.4.50.0090.03912.02
5.4.40.0060.03812.01
5.4.30.0090.03412.00
5.4.20.0080.03912.00
5.4.10.0080.04312.00
5.4.00.0090.04911.50
5.3.290.0070.03912.80
5.3.280.0060.04112.70
5.3.270.0090.04912.73
5.3.260.0070.06312.72
5.3.250.0070.05212.72
5.3.240.0040.03912.72
5.3.230.0060.04112.71
5.3.220.0120.03912.68
5.3.210.0060.04112.68
5.3.200.0050.03712.68
5.3.190.0040.03912.68
5.3.180.0060.03712.67
5.3.170.0070.03612.67
5.3.160.0050.03812.67
5.3.150.0050.04212.67
5.3.140.0080.03612.66
5.3.130.0090.03512.65
5.3.120.0080.03712.66
5.3.110.0050.03912.66
5.3.100.0050.03712.12
5.3.90.0060.03612.10
5.3.80.0050.03712.09
5.3.70.0070.03412.09
5.3.60.0020.03912.07
5.3.50.0080.04812.02
5.3.40.0050.04512.02
5.3.30.0050.03511.98
5.3.20.0060.03411.75
5.3.10.0030.03711.73
5.3.00.0080.03311.71
5.2.170.0040.0309.21
5.2.160.0050.0289.21
5.2.150.0050.0309.21
5.2.140.0010.0339.21
5.2.130.0080.0259.17
5.2.120.0060.0269.17
5.2.110.0020.0319.18
5.2.100.0030.0319.18
5.2.90.0030.0309.17
5.2.80.0060.0289.17
5.2.70.0030.0319.17
5.2.60.0040.0319.13
5.2.50.0070.0289.09
5.2.40.0060.0279.07
5.2.30.0070.0279.04
5.2.20.0040.0299.04
5.2.10.0040.0298.94
5.2.00.0050.0288.80
5.1.60.0070.0218.09
5.1.50.0060.0228.08
5.1.40.0020.0278.06
5.1.30.0050.0248.41
5.1.20.0030.0278.43
5.1.10.0040.0258.16
5.1.00.0050.0238.16
5.0.50.0050.0186.64
5.0.40.0070.0226.49
5.0.30.0040.0306.30
5.0.20.0060.0166.28
5.0.10.0040.0196.25
5.0.00.0060.0286.25
4.4.90.0030.0144.77
4.4.80.0050.0134.75
4.4.70.0040.0134.75
4.4.60.0020.0154.76
4.4.50.0030.0144.77
4.4.40.0030.0244.71
4.4.30.0020.0164.76
4.4.20.0050.0134.84
4.4.10.0030.0154.85
4.4.00.0010.0274.76
4.3.110.0030.0194.67
4.3.100.0020.0164.67
4.3.90.0050.0124.63
4.3.80.0020.0254.58
4.3.70.0020.0154.63
4.3.60.0040.0134.63
4.3.50.0020.0164.63
4.3.40.0030.0244.54
4.3.30.0000.0193.30
4.3.20.0010.0173.28
4.3.10.0030.0163.24
4.3.00.0100.01015.96

preferences:
143.18 ms | 1394 KiB | 7 Q