str_rot13
Perform a rot13 conversion on a string
Encoding and decoding the string:
<span class="token php language-php"><span class="token delimiter important"><?php</span> <span class="token keyword">echo</span> <span class="token function">str_rot13</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"I love Shanghai"</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span> <span class="token keyword">echo</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">str_rot13</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"V ybir Funatunv"</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span> <span class="token delimiter important">?></span></span>