strncasecmp
二進制安全比較字符串開頭的若干個字符（不區分大小寫）
中文(繁體)
中文(繁體)
比較兩個字符串（不區分大小寫）：
<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>
比較兩個字符串（不區分大小寫，China 與CHINA 輸出相同）：
<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>
stripslashes
chunk_split
str_starts_with
metaphone
htmlspecialchars
soundex
substr_compare
similar_text
