3v4l.org

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

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)
5.4.310.0040.03912.49
5.4.300.0080.04512.50
5.4.290.0080.03512.49
5.4.280.0100.04112.39
5.4.270.0060.04912.39
5.4.260.0040.03912.39
5.4.250.0050.03812.39
5.4.240.0040.03712.39
5.4.230.0040.03812.38
5.4.220.0050.03612.38
5.4.210.0070.03312.38
5.4.200.0040.04512.38
5.4.190.0110.04112.38
5.4.180.0050.04112.38
5.4.170.0060.03512.39
5.4.160.0020.03912.38
5.4.150.0070.03512.38
5.4.140.0090.03412.07
5.4.130.0030.04012.05
5.4.120.0070.03312.01
5.4.110.0060.03412.01
5.4.100.0050.03512.01
5.4.90.0030.03912.01
5.4.80.0050.03712.01
5.4.70.0060.03612.00
5.4.60.0060.03412.01
5.4.50.0060.03512.00
5.4.40.0070.04512.00
5.4.30.0060.03411.99
5.4.20.0050.03511.98
5.4.10.0050.03611.99
5.4.00.0070.03411.48
5.3.280.0060.03812.71
5.3.270.0070.03812.73
5.3.260.0040.04012.72
5.3.250.0050.03912.72
5.3.240.0080.03512.72
5.3.230.0110.03912.71
5.3.220.0100.03912.68
5.3.210.0040.04112.68
5.3.200.0030.03912.68
5.3.190.0030.04012.67
5.3.180.0090.04012.68
5.3.170.0070.03912.67
5.3.160.0050.04312.67
5.3.150.0090.04012.68
5.3.140.0060.04312.66
5.3.130.0050.03912.66
5.3.120.0100.04012.66
5.3.110.0070.03912.66
5.3.100.0100.03412.12
5.3.90.0060.03512.08
5.3.80.0090.04512.07
5.3.70.0080.04312.08
5.3.60.0050.04212.07
5.3.50.0060.03612.00
5.3.40.0070.03512.00
5.3.30.0050.03511.95
5.3.20.0070.03511.73
5.3.10.0060.03411.70
5.3.00.0060.03511.69
5.2.170.0050.0369.18
5.2.160.0070.0309.18
5.2.150.0050.0369.19
5.2.140.0070.0359.18
5.2.130.0050.0299.14
5.2.120.0040.0299.14
5.2.110.0060.0279.14
5.2.100.0040.0299.14
5.2.90.0030.0309.14
5.2.80.0030.0319.14
5.2.70.0030.0319.14
5.2.60.0030.0319.09
5.2.50.0040.0319.06
5.2.40.0030.0309.03
5.2.30.0080.0269.01
5.2.20.0050.0299.00
5.2.10.0030.0308.93
5.2.00.0060.0368.79
5.1.60.0050.0338.07
5.1.50.0050.0328.06
5.1.40.0020.0318.05
5.1.30.0040.0268.40
5.1.20.0070.0288.42
5.1.10.0020.0278.14
5.1.00.0060.0338.14
5.0.50.0040.0306.62
5.0.40.0030.0196.48
5.0.30.0010.0336.29
5.0.20.0060.0196.27
5.0.10.0030.0206.24
5.0.00.0040.0356.23
4.4.90.0030.0304.78
4.4.80.0030.0234.76
4.4.70.0020.0164.75
4.4.60.0030.0154.76
4.4.50.0020.0164.77
4.4.40.0020.0264.71
4.4.30.0030.0154.76
4.4.20.0040.0144.85
4.4.10.0040.0144.85
4.4.00.0020.0254.76
4.3.110.0030.0174.67
4.3.100.0020.0154.66
4.3.90.0050.0184.63
4.3.80.0030.0254.59
4.3.70.0040.0134.63
4.3.60.0050.0124.63
4.3.50.0040.0144.63
4.3.40.0020.0254.54
4.3.30.0010.0173.29
4.3.20.0020.0163.26
4.3.10.0020.0213.22
4.3.00.0100.01315.88

preferences:
140.92 ms | 1394 KiB | 7 Q