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)
5.4.320.0090.05012.50
5.4.310.0070.03712.50
5.4.300.0100.04712.50
5.4.290.0080.05112.50
5.4.280.0050.03512.39
5.4.270.0050.03712.39
5.4.260.0070.03612.39
5.4.250.0060.03812.39
5.4.240.0070.03412.39
5.4.230.0070.03712.38
5.4.220.0100.03212.38
5.4.210.0130.03012.38
5.4.200.0050.03912.38
5.4.190.0070.03512.38
5.4.180.0060.03612.38
5.4.170.0090.03812.39
5.4.160.0050.03712.38
5.4.150.0040.04312.38
5.4.140.0080.04412.07
5.4.130.0140.04212.05
5.4.120.0080.03212.01
5.4.110.0070.05012.01
5.4.100.0040.03712.01
5.4.90.0090.03512.01
5.4.80.0070.03712.01
5.4.70.0030.03912.00
5.4.60.0070.03612.01
5.4.50.0040.03912.01
5.4.40.0030.04411.99
5.4.30.0090.03211.99
5.4.20.0080.03411.98
5.4.10.0060.03611.99
5.4.00.0040.03711.48
5.3.290.0080.03912.80
5.3.280.0100.03512.71
5.3.270.0070.03912.72
5.3.260.0040.04212.72
5.3.250.0110.05012.72
5.3.240.0090.05012.72
5.3.230.0070.04412.71
5.3.220.0060.03712.68
5.3.210.0070.03712.68
5.3.200.0080.03612.53
5.3.190.0080.03712.68
5.3.180.0080.03412.67
5.3.170.0060.03612.67
5.3.160.0080.03812.67
5.3.150.0040.04712.68
5.3.140.0040.03912.66
5.3.130.0050.04112.66
5.3.120.0080.03712.66
5.3.110.0060.04012.66
5.3.100.0060.03812.12
5.3.90.0080.03512.09
5.3.80.0090.03312.07
5.3.70.0070.03612.07
5.3.60.0090.03412.06
5.3.50.0060.03712.00
5.3.40.0100.04312.00
5.3.30.0110.04911.95
5.3.20.0120.04511.72
5.3.10.0120.04711.70
5.3.00.0080.04111.68
5.2.170.0030.0339.18
5.2.160.0050.0429.18
5.2.150.0060.0299.18
5.2.140.0070.0289.18
5.2.130.0050.0309.14
5.2.120.0060.0289.14
5.2.110.0100.0359.14
5.2.100.0090.0389.14
5.2.90.0080.0299.14
5.2.80.0050.0399.14
5.2.70.0050.0329.14
5.2.60.0060.0389.09
5.2.50.0080.0429.06
5.2.40.0070.0379.04
5.2.30.0070.0429.02
5.2.20.0090.0319.00
5.2.10.0040.0358.93
5.2.00.0060.0338.78
5.1.60.0020.0298.07
5.1.50.0070.0338.06
5.1.40.0090.0318.05
5.1.30.0070.0368.40
5.1.20.0070.0368.41
5.1.10.0120.0288.14
5.1.00.0050.0268.14
5.0.50.0050.0216.62
5.0.40.0050.0206.48
5.0.30.0040.0356.29
5.0.20.0090.0226.27
5.0.10.0040.0266.24
5.0.00.0060.0376.23
4.4.90.0040.0164.78
4.4.80.0050.0164.76
4.4.70.0050.0204.75
4.4.60.0030.0234.76
4.4.50.0030.0164.77
4.4.40.0020.0274.71
4.4.30.0040.0164.76
4.4.20.0020.0174.85
4.4.10.0030.0164.85
4.4.00.0020.0344.76
4.3.110.0030.0174.67
4.3.100.0030.0164.67
4.3.90.0040.0164.64
4.3.80.0030.0254.59
4.3.70.0030.0174.63
4.3.60.0050.0144.63
4.3.50.0050.0154.63
4.3.40.0060.0254.54
4.3.30.0030.0173.29
4.3.20.0010.0173.26
4.3.10.0040.0143.22
4.3.00.0000.02015.97

preferences:
148.2 ms | 1386 KiB | 7 Q