3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = '測試'; foreach (unpack('C*', $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)
5.4.320.0060.03612.49
5.4.310.0070.03612.50
5.4.300.0050.03812.50
5.4.290.0080.03612.49
5.4.280.0040.03612.39
5.4.270.0080.03312.39
5.4.260.0070.03612.39
5.4.250.0040.03912.39
5.4.240.0060.04212.39
5.4.230.0090.04612.38
5.4.220.0060.03612.38
5.4.210.0060.03412.38
5.4.200.0060.03612.38
5.4.190.0070.03412.38
5.4.180.0050.03612.38
5.4.170.0090.03312.39
5.4.160.0070.03412.38
5.4.150.0060.03512.38
5.4.140.0120.03312.07
5.4.130.0040.03812.05
5.4.120.0070.03412.02
5.4.110.0080.03412.02
5.4.100.0080.03312.01
5.4.90.0070.03412.01
5.4.80.0070.03512.01
5.4.70.0060.03312.01
5.4.60.0040.03612.00
5.4.50.0070.03312.01
5.4.40.0040.03612.00
5.4.30.0070.03511.99
5.4.20.0060.03511.99
5.4.10.0050.03711.99
5.4.00.0050.03811.48
5.3.290.0030.04212.80
5.3.280.0080.03412.71
5.3.270.0020.04412.72
5.3.260.0070.03712.72
5.3.250.0070.03612.72
5.3.240.0050.03812.72
5.3.230.0050.03912.71
5.3.220.0080.03512.68
5.3.210.0060.03812.68
5.3.200.0080.03512.68
5.3.190.0060.03812.68
5.3.180.0110.04612.68
5.3.170.0050.03612.67
5.3.160.0050.03812.68
5.3.150.0040.03912.67
5.3.140.0060.03712.66
5.3.130.0070.04512.65
5.3.120.0060.03912.66
5.3.110.0090.04212.66
5.3.100.0110.03912.11
5.3.90.0060.04212.09
5.3.80.0060.03712.07
5.3.70.0060.03612.08
5.3.60.0090.03312.06
5.3.50.0060.03612.00
5.3.40.0050.03912.00
5.3.30.0060.03511.95
5.3.20.0040.03811.73
5.3.10.0040.03711.70
5.3.00.0090.03411.68
5.2.170.0070.0299.18
5.2.160.0040.0309.18
5.2.150.0090.0269.18
5.2.140.0030.0319.18
5.2.130.0020.0319.14
5.2.120.0050.0289.14
5.2.110.0040.0319.14
5.2.100.0060.0279.14
5.2.90.0020.0319.14
5.2.80.0050.0309.14
5.2.70.0060.0299.14
5.2.60.0050.0309.09
5.2.50.0070.0279.06
5.2.40.0050.0279.03
5.2.30.0040.0319.01
5.2.20.0060.0279.01
5.2.10.0020.0318.93
5.2.00.0020.0318.79
5.1.60.0060.0228.06
5.1.50.0050.0238.06
5.1.40.0040.0278.05
5.1.30.0060.0238.40
5.1.20.0020.0288.42
5.1.10.0050.0248.14
5.1.00.0030.0268.14
5.0.50.0030.0216.63
5.0.40.0040.0186.48
5.0.30.0040.0306.29
5.0.20.0030.0196.27
5.0.10.0040.0196.24
5.0.00.0010.0326.23
4.4.90.0020.0164.78
4.4.80.0040.0144.75
4.4.70.0020.0154.75
4.4.60.0030.0154.75
4.4.50.0050.0134.77
4.4.40.0030.0254.71
4.4.30.0020.0164.75
4.4.20.0030.0154.84
4.4.10.0050.0154.85
4.4.00.0030.0254.76
4.3.110.0010.0244.67
4.3.100.0020.0174.67
4.3.90.0010.0164.64
4.3.80.0050.0224.58
4.3.70.0020.0154.63
4.3.60.0060.0164.63
4.3.50.0040.0154.63
4.3.40.0010.0254.54
4.3.30.0030.0153.29
4.3.20.0000.0183.26
4.3.10.0020.0153.22
4.3.00.0000.0237.35

preferences:
135.25 ms | 1398 KiB | 7 Q