3v4l.org

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

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)
5.4.320.0070.04112.50
5.4.310.0060.04212.50
5.4.300.0100.03512.50
5.4.290.0070.03812.50
5.4.280.0060.03712.39
5.4.270.0070.03512.39
5.4.260.0060.04212.39
5.4.250.0040.03912.39
5.4.240.0050.04212.39
5.4.230.0080.03512.39
5.4.220.0030.03912.39
5.4.210.0060.03612.38
5.4.200.0070.04112.39
5.4.190.0090.03512.38
5.4.180.0080.03412.38
5.4.170.0050.03712.39
5.4.160.0100.03212.39
5.4.150.0070.03612.38
5.4.140.0100.03212.07
5.4.130.0050.03612.05
5.4.120.0030.04112.02
5.4.110.0050.03512.01
5.4.100.0090.03812.02
5.4.90.0060.04112.02
5.4.80.0070.03512.02
5.4.70.0020.03812.01
5.4.60.0050.03512.02
5.4.50.0050.03412.01
5.4.40.0060.04212.00
5.4.30.0080.03311.99
5.4.20.0080.03211.99
5.4.10.0090.03012.00
5.4.00.0050.03611.49
5.3.290.0050.04112.80
5.3.280.0080.03512.71
5.3.270.0060.04012.72
5.3.260.0080.03712.72
5.3.250.0070.03612.72
5.3.240.0100.03312.71
5.3.230.0060.03712.70
5.3.220.0040.03812.68
5.3.210.0060.03812.68
5.3.200.0090.03812.68
5.3.190.0030.04912.68
5.3.180.0060.03512.67
5.3.170.0100.04512.67
5.3.160.0060.03612.68
5.3.150.0080.03612.68
5.3.140.0060.03612.66
5.3.130.0030.04112.66
5.3.120.0070.03712.66
5.3.110.0070.04412.66
5.3.100.0070.03912.12
5.3.90.0070.03612.09
5.3.80.0070.03512.07
5.3.70.0070.04012.08
5.3.60.0050.03612.07
5.3.50.0080.03312.00
5.3.40.0050.03712.00
5.3.30.0060.03511.95
5.3.20.0040.03711.73
5.3.10.0070.03811.70
5.3.00.0040.04011.68
5.2.170.0070.0369.18
5.2.160.0070.0279.19
5.2.150.0060.0309.18
5.2.140.0030.0329.18
5.2.130.0040.0309.14
5.2.120.0040.0299.14
5.2.110.0070.0269.15
5.2.100.0050.0329.15
5.2.90.0050.0289.15
5.2.80.0030.0319.14
5.2.70.0040.0309.14
5.2.60.0030.0339.10
5.2.50.0040.0309.06
5.2.40.0050.0339.04
5.2.30.0050.0319.02
5.2.20.0080.0329.00
5.2.10.0050.0278.92
5.2.00.0040.0318.78
5.1.60.0030.0248.07
5.1.50.0050.0308.07
5.1.40.0060.0278.05
5.1.30.0040.0318.39
5.1.20.0030.0288.43
5.1.10.0050.0248.14
5.1.00.0080.0338.15
5.0.50.0070.0186.62
5.0.40.0020.0206.48
5.0.30.0040.0306.29
5.0.20.0010.0216.27
5.0.10.0040.0186.24
5.0.00.0030.0306.23
4.4.90.0020.0174.78
4.4.80.0040.0144.75
4.4.70.0060.0124.76
4.4.60.0030.0154.76
4.4.50.0020.0164.77
4.4.40.0060.0244.71
4.4.30.0010.0174.76
4.4.20.0050.0144.84
4.4.10.0030.0154.85
4.4.00.0020.0274.76
4.3.110.0030.0154.66
4.3.100.0020.0164.66
4.3.90.0050.0134.63
4.3.80.0030.0254.59
4.3.70.0040.0134.63
4.3.60.0020.0154.63
4.3.50.0020.0174.63
4.3.40.0040.0244.54
4.3.30.0000.0183.29
4.3.20.0030.0173.27
4.3.10.0010.0163.23
4.3.00.0130.02015.98

preferences:
144.28 ms | 1394 KiB | 7 Q