3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = '測試'; foreach(unpack('H*', $string) as $byte) { var_dump($byte); var_dump(ord($byte)); var_dump(dechex(ord($byte))); }

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)
5.4.320.0030.04412.50
5.4.310.0090.04112.49
5.4.300.0040.04312.50
5.4.290.0040.03812.49
5.4.280.0060.04012.39
5.4.270.0060.03512.39
5.4.260.0050.05012.39
5.4.250.0060.03912.39
5.4.240.0060.04212.39
5.4.230.0060.04212.38
5.4.220.0080.04312.38
5.4.210.0070.03712.38
5.4.200.0100.03912.38
5.4.190.0050.04412.38
5.4.180.0050.04212.38
5.4.170.0040.04312.38
5.4.160.0070.04312.38
5.4.150.0100.03712.38
5.4.140.0080.03912.07
5.4.130.0050.03512.05
5.4.120.0040.03612.01
5.4.110.0060.03512.01
5.4.100.0040.03612.01
5.4.90.0040.03812.02
5.4.80.0100.04312.01
5.4.70.0070.04912.01
5.4.60.0070.03412.01
5.4.50.0110.04312.00
5.4.40.0020.03911.99
5.4.30.0070.03411.99
5.4.20.0110.04511.99
5.4.10.0050.04312.00
5.4.00.0040.03611.48
5.3.290.0090.03812.80
5.3.280.0080.04412.71
5.3.270.0060.04012.72
5.3.260.0090.03712.71
5.3.250.0070.03712.72
5.3.240.0040.03812.72
5.3.230.0070.03612.71
5.3.220.0060.03612.68
5.3.210.0100.03712.68
5.3.200.0070.03712.68
5.3.190.0050.04012.68
5.3.180.0060.03712.67
5.3.170.0120.04412.67
5.3.160.0080.03712.68
5.3.150.0040.03912.67
5.3.140.0070.03712.66
5.3.130.0080.03612.66
5.3.120.0040.04012.66
5.3.110.0080.03612.66
5.3.100.0090.03312.12
5.3.90.0080.03612.09
5.3.80.0060.04012.08
5.3.70.0080.03912.08
5.3.60.0060.04512.07
5.3.50.0070.04012.01
5.3.40.0090.03612.00
5.3.30.0060.03711.95
5.3.20.0060.03911.73
5.3.10.0060.03611.70
5.3.00.0070.03511.68
5.2.170.0050.0309.18
5.2.160.0050.0289.18
5.2.150.0050.0359.18
5.2.140.0070.0399.18
5.2.130.0060.0299.14
5.2.120.0080.0269.14
5.2.110.0030.0309.15
5.2.100.0030.0309.14
5.2.90.0040.0309.14
5.2.80.0060.0289.14
5.2.70.0060.0289.14
5.2.60.0070.0269.09
5.2.50.0070.0279.05
5.2.40.0070.0289.03
5.2.30.0070.0349.01
5.2.20.0030.0379.00
5.2.10.0070.0328.93
5.2.00.0050.0388.79
5.1.60.0040.0298.07
5.1.50.0050.0288.07
5.1.40.0060.0248.04
5.1.30.0070.0298.40
5.1.20.0040.0278.42
5.1.10.0060.0298.14
5.1.00.0040.0288.14
5.0.50.0080.0256.62
5.0.40.0060.0196.48
5.0.30.0030.0316.29
5.0.20.0060.0256.26
5.0.10.0060.0176.24
5.0.00.0020.0326.23
4.4.90.0030.0154.78
4.4.80.0030.0164.75
4.4.70.0050.0164.76
4.4.60.0050.0164.75
4.4.50.0000.0184.77
4.4.40.0020.0264.71
4.4.30.0020.0154.76
4.4.20.0030.0154.85
4.4.10.0020.0164.85
4.4.00.0030.0244.76
4.3.110.0030.0154.67
4.3.100.0020.0154.66
4.3.90.0030.0144.63
4.3.80.0030.0274.59
4.3.70.0020.0154.63
4.3.60.0040.0134.63
4.3.50.0030.0184.62
4.3.40.0020.0304.54
4.3.30.0040.0173.29
4.3.20.0030.0163.26
4.3.10.0010.0173.22
4.3.00.0030.01015.97

preferences:
143.44 ms | 1394 KiB | 7 Q