3v4l.org

run code in 300+ PHP versions simultaneously
<?php $m = Map {0=>1}; echo json_encode($m);

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)
5.4.320.0060.03512.50
5.4.310.0070.03512.49
5.4.300.0080.03312.50
5.4.290.0090.03312.49
5.4.280.0070.03312.39
5.4.270.0030.03812.39
5.4.260.0040.03812.39
5.4.250.0040.03912.39
5.4.240.0070.03412.39
5.4.230.0050.03812.38
5.4.220.0010.04112.38
5.4.210.0050.03512.38
5.4.200.0060.03612.38
5.4.190.0040.03712.38
5.4.180.0040.03712.38
5.4.170.0090.03212.39
5.4.160.0070.03212.38
5.4.150.0070.03312.38
5.4.140.0050.03712.07
5.4.130.0050.03512.05
5.4.120.0050.03512.02
5.4.110.0020.03812.01
5.4.100.0080.03512.01
5.4.90.0070.03512.01
5.4.80.0040.04012.01
5.4.70.0060.03612.00
5.4.60.0050.03612.00
5.4.50.0050.03912.01
5.4.40.0060.04212.00
5.4.30.0060.03911.99
5.4.20.0070.03911.98
5.4.10.0080.03711.99
5.4.00.0070.03511.49
5.3.290.0040.04012.80
5.3.280.0020.04112.71
5.3.270.0060.04512.73
5.3.260.0080.03912.72
5.3.250.0060.04312.72
5.3.240.0100.03712.72
5.3.230.0120.03512.71
5.3.220.0040.03712.68
5.3.210.0050.04012.68
5.3.200.0040.03712.68
5.3.190.0070.03512.68
5.3.180.0050.03912.68
5.3.170.0010.04012.67
5.3.160.0060.03612.68
5.3.150.0050.04512.67
5.3.140.0070.03812.66
5.3.130.0060.03712.66
5.3.120.0050.03812.66
5.3.110.0060.03812.66
5.3.100.0040.03812.12
5.3.90.0040.03612.08
5.3.80.0080.03312.08
5.3.70.0030.03812.08
5.3.60.0050.03512.06
5.3.50.0040.03812.00
5.3.40.0040.03812.00
5.3.30.0030.03511.95
5.3.20.0050.03311.72
5.3.10.0070.03311.70
5.3.00.0040.03611.68
5.2.170.0080.0259.18
5.2.160.0060.0259.18
5.2.150.0050.0349.18
5.2.140.0040.0339.18
5.2.130.0030.0339.14
5.2.120.0060.0259.14
5.2.110.0040.0289.15
5.2.100.0040.0299.14
5.2.90.0040.0289.14
5.2.80.0050.0339.14
5.2.70.0080.0269.14
5.2.60.0040.0299.09
5.2.50.0020.0319.06
5.2.40.0050.0279.03
5.2.30.0040.0329.02
5.2.20.0020.0309.00
5.2.10.0080.0238.92
5.2.00.0040.0308.78
5.1.60.0040.0248.07
5.1.50.0010.0278.06
5.1.40.0040.0228.05
5.1.30.0040.0258.39
5.1.20.0030.0268.42
5.1.10.0060.0238.14
5.1.00.0040.0248.14
5.0.50.0040.0196.63
5.0.40.0040.0226.48
5.0.30.0060.0276.29
5.0.20.0030.0186.26
5.0.10.0020.0256.24
5.0.00.0050.0306.23
4.4.90.0030.0214.78
4.4.80.0020.0154.75
4.4.70.0030.0174.75
4.4.60.0030.0174.75
4.4.50.0020.0144.77
4.4.40.0010.0264.71
4.4.30.0050.0154.75
4.4.20.0020.0184.84
4.4.10.0020.0164.85
4.4.00.0020.0294.76
4.3.110.0040.0134.67
4.3.100.0020.0154.66
4.3.90.0020.0144.64
4.3.80.0040.0264.58
4.3.70.0040.0194.63
4.3.60.0030.0254.63
4.3.50.0010.0174.63
4.3.40.0030.0234.54
4.3.30.0010.0223.28
4.3.20.0020.0163.26
4.3.10.0020.0153.22
4.3.00.0000.0237.29

preferences:
145.23 ms | 1394 KiB | 7 Q