3v4l.org

run code in 300+ PHP versions simultaneously
<?php if(!defined('JSON_FORCE_OBJECT')) { echo 'unsupported version'; return; } $j0 = defined('JSON_PRETTY_PRINT') ? JSON_PRETTY_PRINT : 0; $j1 = $j0 | JSON_FORCE_OBJECT; foreach( array( array() ) as $i) { echo json_encode($i, $j0; }

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)
5.4.320.0070.03612.50
5.4.310.0060.03912.50
5.4.300.0060.03712.50
5.4.290.0060.03712.50
5.4.280.0050.03712.39
5.4.270.0040.03812.39
5.4.260.0070.03612.39
5.4.250.0060.03812.39
5.4.240.0090.03412.39
5.4.230.0020.05012.39
5.4.220.0020.04112.39
5.4.210.0060.03512.39
5.4.200.0060.03712.38
5.4.190.0090.03512.38
5.4.180.0070.03412.38
5.4.170.0080.03912.39
5.4.160.0070.03412.39
5.4.150.0070.04112.38
5.4.140.0060.03712.07
5.4.130.0100.03712.05
5.4.120.0070.04312.02
5.4.110.0080.04012.01
5.4.100.0060.04012.02
5.4.90.0120.04112.02
5.4.80.0050.03712.01
5.4.70.0080.04012.01
5.4.60.0060.05912.01
5.4.50.0090.03212.01
5.4.40.0080.04212.00
5.4.30.0030.03711.99
5.4.20.0090.03212.00
5.4.10.0030.03812.00
5.4.00.0080.04111.48
5.3.290.0070.04212.80
5.3.280.0100.04612.71
5.3.270.0080.04212.73
5.3.260.0060.03812.72
5.3.250.0070.03612.72
5.3.240.0080.03412.72
5.3.230.0070.03712.71
5.3.220.0090.03412.68
5.3.210.0080.03712.68
5.3.200.0050.03712.68
5.3.190.0070.03712.68
5.3.180.0070.04312.67
5.3.170.0080.04012.67
5.3.160.0050.03812.68
5.3.150.0040.04212.67
5.3.140.0080.03412.66
5.3.130.0110.03812.66
5.3.120.0070.03712.66
5.3.110.0040.04012.66
5.3.100.0060.04112.12
5.3.90.0060.03812.09
5.3.80.0090.05112.07
5.3.70.0090.03812.08
5.3.60.0080.04812.07
5.3.50.0060.03712.00
5.3.40.0070.03712.00
5.3.30.0060.03411.95
5.3.20.0070.03311.73
5.3.10.0090.03911.70
5.3.00.0040.03711.69
5.2.170.0030.0399.19
5.2.160.0050.0379.19
5.2.150.0010.0339.19
5.2.140.0030.0409.18
5.2.130.0040.0289.14
5.2.120.0070.0309.14
5.2.110.0070.0269.15
5.2.100.0040.0289.15
5.2.90.0040.0319.14
5.2.80.0040.0309.14
5.2.70.0070.0349.14
5.2.60.0040.0339.10
5.2.50.0070.0369.07
5.2.40.0070.0429.04
5.2.30.0010.0339.02
5.2.20.0050.0279.01
5.2.10.0040.0288.92
5.2.00.0060.0278.79
5.1.60.0050.0298.07
5.1.50.0050.0278.07
5.1.40.0040.0238.05
5.1.30.0030.0268.40
5.1.20.0030.0278.42
5.1.10.0050.0348.15
5.1.00.0020.0278.15
5.0.50.0050.0286.62
5.0.40.0060.0246.48
5.0.30.0060.0316.30
5.0.20.0060.0246.27
5.0.10.0040.0276.25
5.0.00.0050.0286.23
4.4.90.0050.0124.77
4.4.80.0050.0134.76
4.4.70.0030.0154.75
4.4.60.0010.0184.76
4.4.50.0020.0154.77
4.4.40.0000.0274.71
4.4.30.0010.0174.76
4.4.20.0030.0144.84
4.4.10.0040.0204.85
4.4.00.0040.0294.76
4.3.110.0070.0284.67
4.3.100.0030.0164.66
4.3.90.0060.0204.63
4.3.80.0030.0304.58
4.3.70.0060.0224.63
4.3.60.0050.0164.63
4.3.50.0030.0184.63
4.3.40.0060.0254.54
4.3.30.0080.0253.29
4.3.20.0020.0253.26
4.3.10.0030.0193.23
4.3.00.0130.0237.21

preferences:
138.04 ms | 1394 KiB | 7 Q