3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = ( 'de' => 'German Primary Link #1', 'en' => 'English Primary Link #1 ); echo serialize($array);

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)
5.4.320.0040.03812.49
5.4.310.0060.03612.49
5.4.300.0050.03612.50
5.4.290.0060.03712.49
5.4.280.0060.03412.39
5.4.270.0060.04012.39
5.4.260.0070.03512.39
5.4.250.0070.03512.39
5.4.240.0100.03712.39
5.4.230.0100.03312.38
5.4.220.0030.04212.38
5.4.210.0050.03912.38
5.4.200.0070.03912.38
5.4.190.0070.03612.38
5.4.180.0060.03512.38
5.4.170.0060.03512.39
5.4.160.0080.03312.38
5.4.150.0030.03812.38
5.4.140.0040.03812.07
5.4.130.0020.03812.05
5.4.120.0050.04512.02
5.4.110.0040.03612.01
5.4.100.0040.03712.01
5.4.90.0060.03612.01
5.4.80.0100.03212.01
5.4.70.0100.03112.01
5.4.60.0050.04112.00
5.4.50.0070.03612.01
5.4.40.0060.03511.99
5.4.30.0060.03511.99
5.4.20.0060.04111.99
5.4.10.0040.03612.00
5.4.00.0080.03411.48
5.3.290.0090.03612.80
5.3.280.0070.03512.71
5.3.270.0080.03512.73
5.3.260.0060.04012.72
5.3.250.0080.03412.72
5.3.240.0080.03512.72
5.3.230.0070.03612.70
5.3.220.0090.04012.68
5.3.210.0040.04612.68
5.3.200.0040.03812.68
5.3.190.0060.03612.68
5.3.180.0050.03712.67
5.3.170.0060.03612.67
5.3.160.0030.03912.67
5.3.150.0100.03212.67
5.3.140.0060.03912.66
5.3.130.0050.04012.66
5.3.120.0050.04212.66
5.3.110.0060.04012.66
5.3.100.0070.03612.12
5.3.90.0040.03712.08
5.3.80.0050.03712.07
5.3.70.0040.03712.07
5.3.60.0070.03812.07
5.3.50.0050.03612.00
5.3.40.0060.03612.00
5.3.30.0050.03511.95
5.3.20.0070.03311.72
5.3.10.0060.03311.70
5.3.00.0030.03711.68
5.2.170.0070.0279.18
5.2.160.0040.0289.18
5.2.150.0060.0299.18
5.2.140.0020.0339.18
5.2.130.0040.0299.14
5.2.120.0070.0259.14
5.2.110.0050.0289.15
5.2.100.0080.0249.14
5.2.90.0070.0269.14
5.2.80.0080.0299.13
5.2.70.0080.0339.14
5.2.60.0050.0329.09
5.2.50.0040.0439.05
5.2.40.0060.0289.04
5.2.30.0030.0319.01
5.2.20.0040.0299.01
5.2.10.0070.0258.93
5.2.00.0050.0278.78
5.1.60.0060.0218.07
5.1.50.0040.0308.06
5.1.40.0030.0258.05
5.1.30.0060.0248.39
5.1.20.0060.0248.42
5.1.10.0030.0268.14
5.1.00.0060.0308.14
5.0.50.0030.0276.62
5.0.40.0020.0286.47
5.0.30.0040.0306.29
5.0.20.0030.0236.26
5.0.10.0080.0146.23
5.0.00.0030.0296.23
4.4.90.0030.0144.78
4.4.80.0030.0144.76
4.4.70.0010.0274.76
4.4.60.0030.0214.76
4.4.50.0020.0264.77
4.4.40.0010.0254.71
4.4.30.0010.0164.76
4.4.20.0020.0164.84
4.4.10.0030.0154.85
4.4.00.0020.0254.75
4.3.110.0000.0184.67
4.3.100.0020.0154.66
4.3.90.0030.0204.63
4.3.80.0010.0254.59
4.3.70.0000.0164.63
4.3.60.0010.0154.63
4.3.50.0030.0164.63
4.3.40.0040.0254.54
4.3.30.0030.0193.29
4.3.20.0030.0183.26
4.3.10.0030.0153.21
4.3.00.0100.02316.72

preferences:
136.61 ms | 1394 KiB | 7 Q