substr_compare
이진 안전 비교 문자열 (오프셋 위치에서 지정된 길이 비교)
두 줄을 비교하십시오.
<span class="token php language-php"><span class="token delimiter important"><? php</span> <span class="token keyword">echo</span> <span class="token function">substr_compare</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 number">0</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span> <span class="token delimiter important">?></span></span>
String1 의 비교 시작 위치가 6 일 때 두 줄을 비교하십시오.
<span class="token php language-php"><span class="token delimiter important"><? php</span> <span class="token keyword">echo</span> <span class="token function">substr_compare</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">"World"</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>
모든 매개 변수 사용 :
<span class="token php language-php"><span class="token delimiter important"><? php</span> <span class="token keyword">echo</span> <span class="token function">substr_compare</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"World"</span> <span class="token punctuation">,</span> <span class="token string double-quoted-string">"또는"</span> <span class="token punctuation">,</span> <span class="token number">1</span> <span class="token punctuation">,</span> <span class="token number">2</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span> <span class="token keyword">echo</span> <span class="token function">substr_compare</span> <span class="token punctuation">(</span> " <span class="token punctuation">World</span> <span class="token string double-quoted-string">"</span> <span class="token punctuation">,</span> <span class="token string double-quoted-string">"ld"</span> <span class="token punctuation">,</span> <span class="token operator">-2</span> <span class="token punctuation">,</span> <span class="token number">2</span> <span class="token number">)</span> <span class="token punctuation">;</span> <span class="token keyword">echo</span> <span class="token function">substr_compare</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"World"</span> <span class="token punctuation">,</span> <span class="token string double-quoted-string">"Orl"</span> <span class="token punctuation">,</span> <span class="token number">1</span> <span class="token punctuation">,</span> <span class="token number">2</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span> <span class="token keyword">echo</span> <span class="token function">substr_compare</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"world"</span> <span class="token punctuation">,</span> <span class="token string double-quoted-string">"또는"</span> <span class="token punctuation">,</span> <span class="token number">1</span> <span class="token punctuation">,</span> <span class="token number">2</span> <span class="token punctuation">,</span> <span class="token constant boolean">true</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span> <span class="token keyword">echo</span> <span class="token function">substr_compare</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"World"</span> <span class="token punctuation">,</span> <span class="token string double-quoted-string">"또는"</span> <span class="token punctuation">,</span> <span class="token number">1</span> <span class="token punctuation">,</span> <span class="token number">3</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span> <span class="token keyword">echo</span> <span class="token function">substr_compare</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"world"</span> <span class="token punctuation">,</span> <span class="token string double-quoted-string">"rl"</span> <span class="token punctuation">,</span> <span class="token number">1</span> <span class="token punctuation">,</span> <span class="token number">2</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span> <span class="token delimiter important">?></span></span>
다른 반환 값 :
<span class="token php language-php"><span class="token delimiter important"><? php</span> <span class="token keyword">echo</span> <span class="token function">substr_compare</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 number">0</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span> <span class="token comment">// 두 문자열은 동일합니다</span> <span class="token keyword">echo</span> <span class="token function">substr_compare</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 number">0</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span> <span class="token comment">// <i>String1</i> 은 <i>String2</i> 보다 큽니다</span> <span class="token keyword">echo</span> <span class="token function">substr_compare</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 number">0</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span> <span class="token comment">// <i>String1</i> 은 <i>String2</i> 보다 작습니다</span> <span class="token delimiter important">?></span></span>