3v4l.org

run code in 300+ PHP versions simultaneously
<?php json_encode( array("a" => "b",array(0 => 1, 1 => "ho") );

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)
5.4.320.0090.03312.50
5.4.310.0060.03912.49
5.4.300.0040.04012.50
5.4.290.0080.05012.49
5.4.280.0040.03912.39
5.4.270.0060.03712.39
5.4.260.0060.04612.39
5.4.250.0110.05012.39
5.4.240.0070.03512.39
5.4.230.0030.04112.38
5.4.220.0030.04012.38
5.4.210.0050.03512.38
5.4.200.0050.03812.38
5.4.190.0070.03512.38
5.4.180.0070.03612.38
5.4.170.0130.03812.38
5.4.160.0060.03412.38
5.4.150.0070.03312.38
5.4.140.0090.03212.07
5.4.130.0020.03812.05
5.4.120.0050.03612.02
5.4.110.0070.03712.01
5.4.100.0070.03512.01
5.4.90.0080.05312.01
5.4.80.0080.05012.01
5.4.70.0030.04112.00
5.4.60.0030.03912.01
5.4.50.0130.03812.00
5.4.40.0060.03512.00
5.4.30.0060.03412.00
5.4.20.0060.03611.99
5.4.10.0060.03311.99
5.4.00.0050.03611.48
5.3.290.0050.04312.80
5.3.280.0060.03712.71
5.3.270.0060.03812.73
5.3.260.0050.03912.72
5.3.250.0060.03712.72
5.3.240.0070.03812.72
5.3.230.0050.04012.71
5.3.220.0040.04012.68
5.3.210.0080.04312.68
5.3.200.0040.03912.68
5.3.190.0060.04512.68
5.3.180.0070.03412.67
5.3.170.0080.03312.67
5.3.160.0050.04112.68
5.3.150.0030.04412.67
5.3.140.0050.03612.66
5.3.130.0100.03412.66
5.3.120.0030.04112.66
5.3.110.0090.03512.66
5.3.100.0050.03712.12
5.3.90.0070.03412.08
5.3.80.0060.03512.07
5.3.70.0070.03412.07
5.3.60.0050.03612.06
5.3.50.0070.04012.00
5.3.40.0060.04312.00
5.3.30.0050.03711.95
5.3.20.0080.04111.72
5.3.10.0040.03511.70
5.3.00.0030.03711.68
5.2.170.0050.0299.18
5.2.160.0070.0259.18
5.2.150.0030.0329.18
5.2.140.0020.0329.18
5.2.130.0010.0319.14
5.2.120.0030.0369.14
5.2.110.0040.0309.14
5.2.100.0020.0309.14
5.2.90.0060.0279.14
5.2.80.0060.0319.14
5.2.70.0060.0299.14
5.2.60.0030.0309.09
5.2.50.0050.0299.06
5.2.40.0070.0269.04
5.2.30.0030.0309.01
5.2.20.0050.0289.01
5.2.10.0040.0288.93
5.2.00.0040.0298.78
5.1.60.0070.0218.06
5.1.50.0010.0278.06
5.1.40.0060.0288.05
5.1.30.0030.0278.40
5.1.20.0060.0248.42
5.1.10.0020.0288.14
5.1.00.0040.0258.14
5.0.50.0060.0176.62
5.0.40.0050.0176.48
5.0.30.0040.0306.29
5.0.20.0010.0216.26
5.0.10.0020.0216.24
5.0.00.0020.0326.23
4.4.90.0010.0174.78
4.4.80.0020.0154.75
4.4.70.0010.0164.76
4.4.60.0010.0164.75
4.4.50.0030.0144.77
4.4.40.0030.0254.71
4.4.30.0010.0164.76
4.4.20.0030.0144.85
4.4.10.0000.0174.85
4.4.00.0010.0264.76
4.3.110.0010.0174.67
4.3.100.0040.0144.66
4.3.90.0050.0124.63
4.3.80.0020.0264.58
4.3.70.0020.0154.63
4.3.60.0040.0134.63
4.3.50.0020.0224.63
4.3.40.0020.0254.54
4.3.30.0040.0143.28
4.3.20.0010.0173.26
4.3.10.0020.0163.21
4.3.00.0270.01016.39

preferences:
139.79 ms | 1394 KiB | 7 Q