bin2hex

Name:bin2hex

Category:String

Programming Language:php

One-line Description:Converts the string of ASCII characters to hexadecimal values.

Example

Example 1

Convert "Shanghai" to hexadecimal value:

 <span class="token php language-php"><span class="token delimiter important"><?php</span>
<span class="token variable">$str</span> <span class="token operator">=</span> <span class="token function">bin2hex</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"Shanghai"</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span>
<span class="token keyword">echo</span> <span class="token punctuation">(</span> <span class="token variable">$str</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span>
<span class="token delimiter important">?></span></span>

Try it yourself

Example 2

Convert a string value from binary to hexadecimal and then convert it back:

 <span class="token php language-php"><span class="token delimiter important"><?php</span>
<span class="token variable">$str</span> <span class="token operator">=</span> <span class="token string double-quoted-string">"Shanghai"</span> <span class="token punctuation">;</span>
<span class="token keyword">echo</span> <span class="token function">bin2hex</span> <span class="token punctuation">(</span> <span class="token variable">$str</span> <span class="token punctuation">)</span> <span class="token operator">.</span> <span class="token string double-quoted-string">"<br>"</span> <span class="token punctuation">;</span>
<span class="token keyword">echo</span> <span class="token function">pack</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"H*"</span> <span class="token punctuation">,</span> <span class="token function">bin2hex</span> <span class="token punctuation">(</span> <span class="token variable">$str</span> <span class="token punctuation">)</span> <span class="token punctuation">)</span> <span class="token operator">.</span> <span class="token string double-quoted-string">"<br>"</span> <span class="token punctuation">;</span>
<span class="token delimiter important">?></span></span>

Try it yourself