substr_replace
줄을 대체하는 하위 문자
한국어
한국어
"Hello"를 "세계"로 바꾸십시오.
<span class="token php language-php"><span class="token delimiter important"><? php</span> <span class="token keyword">echo</span> <span class="token function">substr_replace</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"hello"</span> <span class="token punctuation">,</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 punctuation">;</span> <span class="token delimiter important">?></span></span>
문자열의 6 번째 위치에서 교체합니다 ( "World"를 "상하이"로 대체) :
<span class="token php language-php"><span class="token delimiter important"><? php</span> <span class="token keyword">echo</span> <span class="token function">substr_replace</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">"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>
문자열 끝에서 5 번째 위치에서 교체하십시오 ( "World"를 "상하이"로 바꾸십시오) :
<span class="token php language-php"><span class="token delimiter important"><? php</span> <span class="token keyword">echo</span> <span class="token function">substr_replace</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 string double-quoted-string">"Shanghai"</span> <span class="token punctuation">,</span> <span class="token operator">-5</span> <span class="token punctuation">)</span> <span class="token number">;</span> <span class="token delimiter important">?></span></span>
"세계"의 시작 부분에 "hello"를 삽입하십시오.
<span class="token php language-php"><span class="token delimiter important"><? php</span> <span class="token keyword">echo</span> <span class="token function">substr_replace</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">"Hello"</span> <span class="token punctuation">,</span> <span class="token number">0</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>
한 번에 여러 줄을 교체하십시오. 각 문자열의 "aaa"를 "bbb"로 바꾸십시오.
<span class="token php language-php"><span class="token delimiter important"><? php</span> <span class="token variable">$ replace</span> <span class="token operator">=</span> <span class="token keyword">array</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"1 : aaa"</span> <span class="token punctuation">,</span> <span class="token string double-quoted-string">"2 : aaa"</span> <span class="token punctuation">,</span> <span class="token string double-quoted-string">"3 : aaa"</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span> <span class="token keyword">echo는</span> <span class="token function">묵시</span> <span class="token punctuation">(</span> " <span class="token punctuation"><br></span> <span class="token string double-quoted-string">"</span> <span class="token punctuation">,</span> <span class="token function">substr_replace</span> <span class="token punctuation">(</span> <span class="token variable">$</span> <span class="token string single-quoted-string">bbb '</span> <span class="token punctuation">,</span> <span class="token number">3</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 punctuation">;</span> <span class="token delimiter important">?></span></span>
strpos
strnatcmp
strcmp
strtolower
str_repeat
substr
strcasecmp
str_starts_with
