3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array( 'de' => 'German Primary Link #1', 'en' => 'English Primary Link #1 ); echo serialize($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)
5.4.320.0070.03912.49
5.4.310.0050.03912.49
5.4.300.0050.03912.50
5.4.290.0100.03912.50
5.4.280.0060.04812.39
5.4.270.0100.03312.39
5.4.260.0110.04012.39
5.4.250.0100.03312.39
5.4.240.0060.03612.39
5.4.230.0060.03712.38
5.4.220.0090.03312.38
5.4.210.0090.03312.38
5.4.200.0080.03512.38
5.4.190.0050.03812.38
5.4.180.0070.03712.38
5.4.170.0080.04712.38
5.4.160.0090.03812.38
5.4.150.0100.04112.38
5.4.140.0030.03912.07
5.4.130.0090.04212.05
5.4.120.0100.03812.02
5.4.110.0060.03312.01
5.4.100.0070.03212.01
5.4.90.0050.04312.01
5.4.80.0100.03612.01
5.4.70.0050.04212.01
5.4.60.0070.03312.00
5.4.50.0060.04612.00
5.4.40.0080.03112.00
5.4.30.0030.03711.99
5.4.20.0050.03611.99
5.4.10.0040.03611.99
5.4.00.0040.03711.48
5.3.290.0060.04212.80
5.3.280.0080.04112.71
5.3.270.0040.04012.73
5.3.260.0080.03412.72
5.3.250.0050.03612.72
5.3.240.0060.03612.72
5.3.230.0060.03612.71
5.3.220.0050.03712.68
5.3.210.0060.04012.68
5.3.200.0080.04012.68
5.3.190.0080.03412.67
5.3.180.0040.03712.67
5.3.170.0080.04212.67
5.3.160.0090.03912.68
5.3.150.0070.04012.67
5.3.140.0060.03512.66
5.3.130.0050.03912.66
5.3.120.0050.04012.66
5.3.110.0080.03612.66
5.3.100.0060.03612.11
5.3.90.0110.03112.09
5.3.80.0030.03912.07
5.3.70.0070.03512.07
5.3.60.0020.04012.06
5.3.50.0050.03612.00
5.3.40.0060.03712.00
5.3.30.0080.03611.95
5.3.20.0070.03411.73
5.3.10.0020.03711.70
5.3.00.0060.03511.68
5.2.170.0050.0299.18
5.2.160.0090.0259.18
5.2.150.0060.0299.18
5.2.140.0060.0289.18
5.2.130.0090.0269.14
5.2.120.0050.0289.14
5.2.110.0020.0319.14
5.2.100.0050.0289.14
5.2.90.0020.0319.14
5.2.80.0060.0299.14
5.2.70.0060.0349.14
5.2.60.0070.0309.09
5.2.50.0040.0299.06
5.2.40.0040.0369.04
5.2.30.0090.0259.01
5.2.20.0030.0309.01
5.2.10.0050.0278.93
5.2.00.0030.0308.79
5.1.60.0040.0238.07
5.1.50.0030.0258.07
5.1.40.0050.0238.05
5.1.30.0040.0278.39
5.1.20.0050.0258.42
5.1.10.0030.0268.14
5.1.00.0030.0278.14
5.0.50.0030.0216.62
5.0.40.0030.0196.48
5.0.30.0030.0316.29
5.0.20.0050.0186.27
5.0.10.0010.0226.24
5.0.00.0030.0376.23
4.4.90.0020.0194.78
4.4.80.0010.0184.75
4.4.70.0050.0194.75
4.4.60.0040.0144.75
4.4.50.0040.0144.77
4.4.40.0030.0244.71
4.4.30.0030.0184.76
4.4.20.0010.0174.84
4.4.10.0050.0194.85
4.4.00.0030.0254.76
4.3.110.0040.0184.67
4.3.100.0020.0154.67
4.3.90.0030.0174.63
4.3.80.0000.0264.59
4.3.70.0030.0174.63
4.3.60.0020.0154.63
4.3.50.0040.0174.63
4.3.40.0020.0254.54
4.3.30.0030.0213.29
4.3.20.0020.0153.26
4.3.10.0030.0233.21
4.3.00.0030.01716.72

preferences:
140.4 ms | 1386 KiB | 7 Q