3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { private bar; } $foo = new Foo(); $s = serialize($foo); var_dump($s);

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)
5.4.320.0090.03312.51
5.4.310.0100.04612.51
5.4.300.0080.03512.50
5.4.290.0060.03912.50
5.4.280.0060.03512.40
5.4.270.0060.03612.40
5.4.260.0050.03812.40
5.4.250.0050.04312.40
5.4.240.0030.03912.40
5.4.230.0070.05312.39
5.4.220.0080.03412.39
5.4.210.0100.04312.39
5.4.200.0080.04912.39
5.4.190.0060.03812.39
5.4.180.0040.03712.39
5.4.170.0060.03512.39
5.4.160.0060.03612.39
5.4.150.0040.03812.39
5.4.140.0050.03612.08
5.4.130.0060.03512.06
5.4.120.0030.03812.03
5.4.110.0050.03512.02
5.4.100.0050.03612.02
5.4.90.0060.03612.03
5.4.80.0050.05412.02
5.4.70.0060.03412.02
5.4.60.0050.03612.02
5.4.50.0030.03812.02
5.4.40.0050.03712.01
5.4.30.0050.03712.00
5.4.20.0080.03212.00
5.4.10.0040.03612.00
5.4.00.0040.03711.49
5.3.290.0080.04212.80
5.3.280.0100.03312.71
5.3.270.0080.04112.72
5.3.260.0090.04412.72
5.3.250.0070.05412.72
5.3.240.0040.04812.72
5.3.230.0080.03812.70
5.3.220.0080.04712.68
5.3.210.0080.03612.68
5.3.200.0070.03612.68
5.3.190.0090.03512.68
5.3.180.0040.03812.67
5.3.170.0060.03612.67
5.3.160.0080.03712.67
5.3.150.0080.03412.68
5.3.140.0110.03612.66
5.3.130.0080.04912.66
5.3.120.0050.05312.66
5.3.110.0050.04412.65
5.3.100.0050.03712.12
5.3.90.0050.03712.10
5.3.80.0070.03512.09
5.3.70.0060.03612.09
5.3.60.0100.03112.07
5.3.50.0070.03412.02
5.3.40.0070.03612.02
5.3.30.0050.03611.98
5.3.20.0080.03311.76
5.3.10.0070.03411.73
5.3.00.0050.03711.71
5.2.170.0030.0319.21
5.2.160.0050.0289.21
5.2.150.0050.0309.21
5.2.140.0090.0269.21
5.2.130.0060.0289.17
5.2.120.0050.0279.17
5.2.110.0030.0309.18
5.2.100.0070.0269.17
5.2.90.0050.0309.17
5.2.80.0080.0349.17
5.2.70.0060.0429.17
5.2.60.0060.0299.13
5.2.50.0060.0319.09
5.2.40.0060.0379.07
5.2.30.0060.0309.04
5.2.20.0080.0269.04
5.2.10.0070.0288.94
5.2.00.0060.0288.80
5.1.60.0050.0238.09
5.1.50.0040.0258.08
5.1.40.0050.0248.06
5.1.30.0060.0248.41
5.1.20.0080.0348.43
5.1.10.0060.0268.16
5.1.00.0060.0358.16
5.0.50.0040.0216.63
5.0.40.0030.0256.49
5.0.30.0020.0336.31
5.0.20.0050.0176.27
5.0.10.0010.0236.26
5.0.00.0050.0306.25
4.4.90.0030.0164.78
4.4.80.0020.0234.75
4.4.70.0030.0164.75
4.4.60.0060.0184.75
4.4.50.0020.0174.77
4.4.40.0050.0324.71
4.4.30.0050.0164.76
4.4.20.0060.0144.85
4.4.10.0050.0234.84
4.4.00.0030.0254.76
4.3.110.0040.0144.67
4.3.100.0020.0164.66
4.3.90.0070.0104.63
4.3.80.0020.0254.58
4.3.70.0030.0154.63
4.3.60.0020.0154.63
4.3.50.0050.0134.63
4.3.40.0030.0244.54
4.3.30.0020.0173.30
4.3.20.0020.0153.28
4.3.10.0030.0253.23
4.3.00.0000.01719.45

preferences:
141.81 ms | 1394 KiB | 7 Q