3v4l.org

run code in 300+ PHP versions simultaneously
<?php mb_internal_encoding('UTF-8'); $someFoo = '{ "Foo" : "Bar" }'; $asciiData = iconv(mb_detect_encoding($somefoo), 'UTF-8', $someFoo)); echo mb_detect_encoding($asciiData) . "\r\n"; var_dump(json_decode($asciiData)); $data = utf8_encode($someFoo); echo mb_detect_encoding($data) . "\r\n"; var_dump(json_decode($data));

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)
5.4.310.0010.04212.49
5.4.300.0080.03612.49
5.4.290.0070.04012.49
5.4.280.0080.03312.39
5.4.270.0080.03412.39
5.4.260.0050.03812.39
5.4.250.0060.04212.39
5.4.240.0060.03712.39
5.4.230.0090.03512.38
5.4.220.0060.03612.38
5.4.210.0070.03412.38
5.4.200.0030.04112.38
5.4.190.0050.03612.38
5.4.180.0050.03712.38
5.4.170.0050.03712.39
5.4.160.0050.03612.38
5.4.150.0040.03712.38
5.4.140.0070.03612.07
5.4.130.0060.03512.05
5.4.120.0030.03712.01
5.4.110.0030.03812.01
5.4.100.0050.03612.02
5.4.90.0040.03812.01
5.4.80.0060.03612.01
5.4.70.0080.03212.01
5.4.60.0020.03812.01
5.4.50.0040.03712.01
5.4.40.0040.03711.99
5.4.30.0090.03412.00
5.4.20.0100.03111.99
5.4.10.0070.03411.99
5.4.00.0060.03711.48
5.3.280.0040.04112.71
5.3.270.0060.03912.72
5.3.260.0080.03612.72
5.3.250.0070.03612.71
5.3.240.0030.03912.72
5.3.230.0050.03612.71
5.3.220.0070.03412.68
5.3.210.0040.04012.68
5.3.200.0060.03612.68
5.3.190.0040.03912.68
5.3.180.0090.03312.67
5.3.170.0030.03912.67
5.3.160.0090.03312.68
5.3.150.0050.03812.67
5.3.140.0040.03812.66
5.3.130.0050.03912.66
5.3.120.0060.05012.65
5.3.110.0030.04112.66
5.3.100.0040.03812.12
5.3.90.0080.03412.08
5.3.80.0060.03612.07
5.3.70.0040.03712.07
5.3.60.0020.03912.07
5.3.50.0040.03712.00
5.3.40.0060.03712.00
5.3.30.0040.03711.97
5.3.20.0090.03211.73
5.3.10.0090.03211.70
5.3.00.0060.03711.69
5.2.170.0030.0429.18
5.2.160.0030.0329.18
5.2.150.0070.0279.18
5.2.140.0060.0359.18
5.2.130.0030.0349.14
5.2.120.0050.0279.14
5.2.110.0020.0319.15
5.2.100.0070.0269.14
5.2.90.0030.0309.14
5.2.80.0030.0319.14
5.2.70.0050.0299.14
5.2.60.0030.0319.09
5.2.50.0040.0309.06
5.2.40.0030.0309.04
5.2.30.0030.0319.01
5.2.20.0080.0249.00
5.2.10.0060.0268.93
5.2.00.0050.0288.78
5.1.60.0040.0248.07
5.1.50.0040.0308.07
5.1.40.0060.0288.05
5.1.30.0020.0288.40
5.1.20.0070.0238.42
5.1.10.0050.0278.14
5.1.00.0040.0258.14
5.0.50.0010.0236.63
5.0.40.0020.0206.48
5.0.30.0020.0326.29
5.0.20.0040.0196.27
5.0.10.0030.0196.24
5.0.00.0060.0266.23
4.4.90.0010.0194.78
4.4.80.0030.0154.75
4.4.70.0010.0164.76
4.4.60.0010.0204.75
4.4.50.0040.0204.77
4.4.40.0020.0254.71
4.4.30.0030.0144.76
4.4.20.0040.0144.84
4.4.10.0030.0164.85
4.4.00.0020.0254.76
4.3.110.0040.0144.67
4.3.100.0020.0154.66
4.3.90.0020.0154.63
4.3.80.0030.0254.58
4.3.70.0040.0134.63
4.3.60.0010.0174.63
4.3.50.0060.0124.63
4.3.40.0010.0264.54
4.3.30.0000.0183.28
4.3.20.0000.0193.26
4.3.10.0000.0183.22
4.3.00.0070.01315.88

preferences:
134.42 ms | 1394 KiB | 7 Q