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)
5.4.310.0040.04212.49
5.4.300.0080.03612.50
5.4.290.0050.03812.49
5.4.280.0060.03512.39
5.4.270.0060.03512.39
5.4.260.0060.03612.39
5.4.250.0100.04512.39
5.4.240.0060.04112.39
5.4.230.0040.04012.38
5.4.220.0070.03412.38
5.4.210.0040.03812.38
5.4.200.0040.04012.38
5.4.190.0110.03212.38
5.4.180.0090.03112.38
5.4.170.0070.04212.39
5.4.160.0060.04412.38
5.4.150.0080.04012.38
5.4.140.0070.03512.07
5.4.130.0080.04012.05
5.4.120.0090.03812.02
5.4.110.0020.03912.01
5.4.100.0050.03612.01
5.4.90.0070.03512.01
5.4.80.0040.03812.01
5.4.70.0040.03612.01
5.4.60.0020.03712.01
5.4.50.0040.03612.01
5.4.40.0040.03712.00
5.4.30.0060.03411.99
5.4.20.0030.03711.98
5.4.10.0090.03711.99
5.4.00.0030.03911.48
5.3.280.0070.04112.71
5.3.270.0060.04612.73
5.3.260.0100.03812.72
5.3.250.0040.04712.72
5.3.240.0070.04112.72
5.3.230.0060.03812.71
5.3.220.0100.03812.68
5.3.210.0050.04012.68
5.3.200.0090.03312.68
5.3.190.0070.03512.68
5.3.180.0050.03612.68
5.3.170.0050.04012.67
5.3.160.0070.03412.67
5.3.150.0040.03812.68
5.3.140.0080.04012.66
5.3.130.0070.03712.66
5.3.120.0050.03912.66
5.3.110.0070.03612.66
5.3.100.0040.03812.12
5.3.90.0040.03812.08
5.3.80.0050.03612.08
5.3.70.0070.03512.07
5.3.60.0060.04112.06
5.3.50.0050.03612.00
5.3.40.0050.04012.00
5.3.30.0070.03311.95
5.3.20.0030.04311.72
5.3.10.0060.03511.70
5.3.00.0040.03711.68
5.2.170.0040.0319.18
5.2.160.0020.0319.18
5.2.150.0040.0309.18
5.2.140.0060.0309.18
5.2.130.0070.0279.14
5.2.120.0060.0279.14
5.2.110.0040.0309.15
5.2.100.0050.0349.14
5.2.90.0040.0299.14
5.2.80.0050.0309.14
5.2.70.0030.0319.14
5.2.60.0030.0319.10
5.2.50.0030.0319.06
5.2.40.0090.0309.04
5.2.30.0090.0299.02
5.2.20.0040.0359.00
5.2.10.0060.0308.93
5.2.00.0040.0308.79
5.1.60.0050.0238.07
5.1.50.0040.0278.06
5.1.40.0050.0228.05
5.1.30.0050.0268.40
5.1.20.0010.0298.42
5.1.10.0060.0288.14
5.1.00.0060.0278.14
5.0.50.0050.0226.62
5.0.40.0030.0226.48
5.0.30.0020.0346.29
5.0.20.0030.0196.27
5.0.10.0060.0266.24
5.0.00.0020.0316.23
4.4.90.0010.0174.78
4.4.80.0050.0164.76
4.4.70.0010.0174.76
4.4.60.0040.0194.76
4.4.50.0040.0174.77
4.4.40.0020.0304.71
4.4.30.0030.0214.76
4.4.20.0030.0184.84
4.4.10.0020.0164.85
4.4.00.0030.0244.76
4.3.110.0010.0204.67
4.3.100.0020.0174.67
4.3.90.0030.0144.63
4.3.80.0020.0244.58
4.3.70.0030.0184.63
4.3.60.0010.0164.63
4.3.50.0050.0194.63
4.3.40.0050.0214.54
4.3.30.0010.0173.28
4.3.20.0030.0183.26
4.3.10.0010.0163.22
4.3.00.0070.01315.88

preferences:
135.6 ms | 1398 KiB | 7 Q