strcasecmp

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">strcasecmp</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"shanghai"</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 delimiter important">?></span></span>

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Example 2

Comparison of two strings (case insensitive, HELLO and hELLo outputs are 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">strcasecmp</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"Shanghai"</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 string double-quoted-string">"<br>"</span> <span class="token punctuation">;</span>
<span class="token keyword">echo</span> <span class="token function">strcasecmp</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"Shanghai"</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 delimiter important">?></span></span>

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Example 3

Different return values:

 <span class="token php language-php"><span class="token delimiter important"><?php</span>
<span class="token keyword">echo</span> <span class="token function">strcasecmp</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"Hello world!"</span> <span class="token punctuation">,</span> <span class="token string double-quoted-string">"HELLO WORLD!"</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span> <span class="token comment">// Two strings are equal</span>
<span class="token keyword">echo</span> <span class="token function">strcasecmp</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"Hello world!"</span> <span class="token punctuation">,</span> <span class="token string double-quoted-string">"HELLO"</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span> <span class="token comment">// <i>string1</i> is greater than <i>string2</i></span>
<span class="token keyword">echo</span> <span class="token function">strcasecmp</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"Hello world!"</span> <span class="token punctuation">,</span> <span class="token string double-quoted-string">"HELLO WORLD! HELLO!"</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span> <span class="token comment">// <i>string1</i> is less than <i>string2</i></span>
<span class="token delimiter important">?></span></span>

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