현재 위치: 홈> 함수 카테고리 모음> substr

substr

문자열의 일부를 반환하십시오
이름:substr
분류:끈
사용 언어:php
한 줄 설명:문자열의 일부를 반환합니다.

예

예 1

문자열에서 "World"를 반환합니다.

 <span class="token php language-php"><span class="token delimiter important"><? php</span>
<span class="token keyword">Echo</span> <span class="token function">substr</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">6</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span>
<span class="token delimiter important">?></span></span>

직접 시도하십시오

예 2

양수와 음수가 다른 시작 매개 변수를 사용하십시오.

 <span class="token php language-php"><span class="token delimiter important"><? php</span>
<span class="token keyword">Echo</span> <span class="token function">substr</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">10</span> <span class="token punctuation">)</span> <span class="token operator">.</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">substr</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">1</span> <span class="token punctuation">)</span> <span class="token operator">.</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">substr</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">3</span> <span class="token punctuation">)</span> <span class="token operator">.</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">substr</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">7</span> <span class="token punctuation">)</span> <span class="token operator">.</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">substr</span> <span class="token punctuation">(</span> "Hello <span class="token operator">World</span> <span class="token string double-quoted-string">"</span> <span class="token punctuation">,</span> <span class="token operator">-1</span> <span class="token punctuation">)</span> <span class="token number">.</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">substr</span> <span class="token punctuation">(</span> "Hello <span class="token operator">World</span> <span class="token string double-quoted-string">"</span> <span class="token punctuation">,</span> <span class="token operator">-10</span> <span class="token punctuation">)</span> <span class="token number">.</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">substr</span> <span class="token punctuation">(</span> " <span class="token punctuation">Hello</span> <span class="token string double-quoted-string">World"</span> <span class="token punctuation">,</span> <span class="token operator">-8</span> <span class="token number">)</span> <span class="token operator">.</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">substr</span> <span class="token punctuation">(</span> <span class="token punctuation">"</span> <span class="token string double-quoted-string">Hello World"</span> <span class="token punctuation">,</span> <span class="token operator">-4</span> <span class="token number">)</span> <span class="token operator">.</span> <span class="token string double-quoted-string">"<br>"</span> <span class="token punctuation">;</span>
<span class="token delimiter important">?></span></span>

직접 시도하십시오

예 3

양수 및 음수가 다른 시작 및 길이 매개 변수를 사용하십시오.

 <span class="token php language-php"><span class="token delimiter important"><? php</span>
<span class="token keyword">Echo</span> <span class="token function">substr</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 number">10</span> <span class="token punctuation">)</span> <span class="token operator">.</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">substr</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">1</span> <span class="token punctuation">,</span> <span class="token number">8</span> <span class="token punctuation">)</span> <span class="token operator">.</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">substr</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 number">5</span> <span class="token punctuation">)</span> <span class="token operator">.</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">substr</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">6</span> <span class="token punctuation">,</span> <span class="token number">6</span> <span class="token punctuation">)</span> <span class="token operator">.</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">substr</span> <span class="token punctuation">(</span> " <span class="token operator">Hello</span> <span class="token string double-quoted-string">World"</span> <span class="token punctuation">,</span> <span class="token number">0</span> <span class="token punctuation">,</span> <span class="token operator">-1</span> <span class="token punctuation">)</span> <span class="token number">.</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">substr</span> <span class="token punctuation">(</span> <span class="token punctuation">"</span> <span class="token operator">Hello</span> <span class="token string double-quoted-string">World"</span> <span class="token punctuation">,</span> <span class="token operator">-10</span> <span class="token punctuation">,</span> <span class="token operator">-2</span> <span class="token number">)</span> <span class="token number">.</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">substr</span> <span class="token punctuation">(</span> " <span class="token operator">Hello</span> <span class="token string double-quoted-string">World"</span> <span class="token punctuation">,</span> <span class="token number">0</span> <span class="token punctuation">,</span> <span class="token operator">-6</span> <span class="token punctuation">)</span> <span class="token number">.</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">substr</span> <span class="token punctuation">(</span> <span class="token number">"</span> <span class="token punctuation">Hello</span> <span class="token operator">World</span> <span class="token string double-quoted-string">"</span> <span class="token punctuation">,</span> <span class="token operator">-2-3</span> <span class="token operator">)</span> <span class="token number">.</span> <span class="token string double-quoted-string">"<br>"</span> <span class="token punctuation">;</span>
<span class="token delimiter important">?></span></span>

직접 시도하십시오

관련 콘텐츠
유사한 함수
  • strstr의 별칭 strchr

    strchr

    strstr의별칭
  • 숫자에서 단일 바이트 문자열을 생성합니다 chr

    chr

    숫자에서단일바이트문자열을생성합니다
  • 문자열에서 지정된 문자의 마지막 발생을 찾으십시오. strrchr

    strrchr

    문자열에서지정된문자의마지막발생을찾으십
  • 지정된 문자 세트에 문자열의 모든 문자가 존재하는 첫 번째 하위 문자열의 길이를 계산합니다. strspn

    strspn

    지정된문자세트에문자열의모든문자가존재하
  • 지정된 수의 문자열로 문자열을 나눕니다 wordwrap

    wordwrap

    지정된수의문자열로문자열을나눕니다
  • 문자열을 작은 덩어리로 분할하십시오 chunk_split

    chunk_split

    문자열을작은덩어리로분할하십시오
  • 문자열이 주어진 부분 문자열로 시작하는지 확인하십시오 str_starts_with

    str_starts_with

    문자열이주어진부분문자열로시작하는지확인
  • 두 줄 사이의 유사성을 계산하십시오 similar_text

    similar_text

    두줄사이의유사성을계산하십시오
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