strncasecmp

Binary safe comparison of several characters at the beginning of a string (case insensitive)

Name:strncasecmp

Category:String

Programming Language:php

One-line Description:Comparison of strings for the first n characters (case insensitive).

Example

Example 1

Compare two strings (case insensitive):

 <span class="token php language-php"><span class="token delimiter important"><?php</span>
<span class="token keyword">echo</span> <span class="token function">strncasecmp</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"I love China!"</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 number">6</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span>
<span class="token delimiter important">?></span></span>

Try it yourself

Example 2

Compare two strings (case insensitive, China and CHINA output the same):

 <span class="token php language-php"><span class="token delimiter important"><?php</span>
<span class="token keyword">echo</span> <span class="token function">strncasecmp</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"China"</span> <span class="token punctuation">,</span> <span class="token string double-quoted-string">"China"</span> <span class="token punctuation">,</span> <span class="token number">6</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">strncasecmp</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"China"</span> <span class="token punctuation">,</span> <span class="token string double-quoted-string">"CHINA"</span> <span class="token punctuation">,</span> <span class="token number">6</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span>
<span class="token delimiter important">?></span></span>

Try it yourself