3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array['test'] = 4; $array['test2'['test'] = 'test'; $array['test2'['test3'] = 'test4'; print_r($array); $json_array = json_encode($array); print_r($json_array); $json_array_decode = json_decode($json_array); print_r($json_array_code);

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)
5.4.310.0120.04312.50
5.4.300.0070.05012.50
5.4.290.0060.05812.49
5.4.280.0050.03912.39
5.4.270.0080.03512.39
5.4.260.0040.04012.39
5.4.250.0070.03812.39
5.4.240.0080.04312.39
5.4.230.0080.04412.38
5.4.220.0100.04612.38
5.4.210.0110.04012.38
5.4.200.0060.04112.38
5.4.190.0090.03712.38
5.4.180.0050.04012.38
5.4.170.0060.04012.39
5.4.160.0060.03712.38
5.4.150.0070.04212.38
5.4.140.0090.04112.07
5.4.130.0040.04012.05
5.4.120.0050.04612.01
5.4.110.0070.03412.01
5.4.100.0060.04312.01
5.4.90.0100.04512.01
5.4.80.0060.04412.01
5.4.70.0080.03812.00
5.4.60.0050.03612.01
5.4.50.0060.03912.00
5.4.40.0030.04312.00
5.4.30.0020.04011.99
5.4.20.0080.03311.98
5.4.10.0070.03611.99
5.4.00.0060.03711.48
5.3.290.0080.03812.80
5.3.280.0050.04412.71
5.3.270.0110.04312.72
5.3.260.0090.04212.72
5.3.250.0070.04112.72
5.3.240.0050.04212.72
5.3.230.0100.03812.71
5.3.220.0080.03612.68
5.3.210.0070.04112.68
5.3.200.0070.04412.68
5.3.190.0110.03912.68
5.3.180.0100.03512.67
5.3.170.0060.04512.67
5.3.160.0060.03512.68
5.3.150.0070.04212.68
5.3.140.0070.04012.66
5.3.130.0060.03712.66
5.3.120.0090.04712.65
5.3.110.0050.03812.66
5.3.100.0050.03712.12
5.3.90.0070.04312.09
5.3.80.0080.04012.08
5.3.70.0060.04412.08
5.3.60.0100.03912.06
5.3.50.0050.04012.00
5.3.40.0050.03812.00
5.3.30.0050.03811.95
5.3.20.0090.03311.73
5.3.10.0100.03611.70
5.3.00.0080.04711.68
5.2.170.0040.0319.18
5.2.160.0050.0289.18
5.2.150.0060.0339.18
5.2.140.0040.0319.18
5.2.130.0020.0329.14
5.2.120.0040.0329.14
5.2.110.0030.0409.14
5.2.100.0050.0379.14
5.2.90.0040.0299.14
5.2.80.0050.0299.14
5.2.70.0050.0309.14
5.2.60.0060.0329.09
5.2.50.0040.0399.06
5.2.40.0060.0279.04
5.2.30.0040.0309.01
5.2.20.0020.0319.00
5.2.10.0040.0298.92
5.2.00.0060.0288.78
5.1.60.0050.0248.06
5.1.50.0100.0268.06
5.1.40.0030.0258.04
5.1.30.0030.0278.40
5.1.20.0050.0298.42
5.1.10.0080.0278.14
5.1.00.0030.0308.14
5.0.50.0050.0326.62
5.0.40.0070.0186.48
5.0.30.0040.0386.29
5.0.20.0020.0206.26
5.0.10.0040.0206.24
5.0.00.0050.0316.23
4.4.90.0020.0174.78
4.4.80.0030.0194.75
4.4.70.0030.0174.76
4.4.60.0030.0174.75
4.4.50.0020.0194.77
4.4.40.0010.0264.71
4.4.30.0020.0154.76
4.4.20.0030.0154.84
4.4.10.0020.0164.85
4.4.00.0030.0244.76
4.3.110.0020.0164.67
4.3.100.0040.0174.66
4.3.90.0060.0164.63
4.3.80.0030.0244.59
4.3.70.0030.0144.63
4.3.60.0020.0164.63
4.3.50.0030.0154.63
4.3.40.0030.0234.54
4.3.30.0030.0143.29
4.3.20.0010.0173.27
4.3.10.0000.0173.22
4.3.00.0130.0277.11

preferences:
146.26 ms | 1394 KiB | 7 Q