sprintf
형식으로 된 문자열을 반환합니다
한국어
한국어
백분율 부호 (%) 기호를 매개 변수로 전달 된 변수로 바꾸십시오.
<span class="token php language-php"><span class="token delimiter important"><? php</span> <span class="token variable">$ 번호</span> <span class="token operator">=</span> <span class="token number">2</span> <span class="token punctuation">;</span> <span class="token variable">$ str</span> <span class="token operator">=</span> <span class="token string double-quoted-string">"상하이"</span> <span class="token punctuation">;</span> <span class="token variable">$ txt</span> <span class="token operator">=</span> <span class="token function">sprintf</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">" %s에 백만 대의 자동차가 있습니다."</span> <span class="token punctuation">,</span> <span class="token variable">$ number</span> <span class="token punctuation">,</span> <span class="token variable">$ str</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span> <span class="token keyword">echo</span> <span class="token variable">$ txt</span> <span class="token punctuation">;</span> <span class="token delimiter important">?></span></span>
형식 값 %f를 사용하십시오.
<span class="token php language-php"><span class="token delimiter important"><? php</span> <span class="token variable">$ 번호</span> <span class="token operator">=</span> <span class="token number">123</span> <span class="token punctuation">;</span> <span class="token variable">$ txt</span> <span class="token operator">=</span> <span class="token function">sprintf</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"%f"</span> <span class="token punctuation">,</span> <span class="token variable">$ 숫자</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span> <span class="token keyword">echo</span> <span class="token variable">$ txt</span> <span class="token punctuation">;</span> <span class="token delimiter important">?></span></span>
장소 보유자 사용 :
<span class="token php language-php"><span class="token delimiter important"><? php</span> <span class="token variable">$ 번호</span> <span class="token operator">=</span> <span class="token number">123</span> <span class="token punctuation">;</span> <span class="token variable">$ txt</span> <span class="token operator">=</span> <span class="token function">sprintf</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"소수점 이하 두 자리 : %1 \ $. 2f <br> 절약 없음 : %1 \ $ u "</span> <span class="token punctuation">,</span> <span class="token variable">$ 숫자</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span> <span class="token keyword">echo</span> <span class="token variable">$ txt</span> <span class="token punctuation">;</span> <span class="token delimiter important">?></span></span>
가능한 모든 형식 값의 데모 :
<span class="token php language-php"><span class="token delimiter important"><? php</span> <span class="token variable">$ num1</span> <span class="token operator">=</span> <span class="token number">123456789</span> <span class="token punctuation">;</span> <span class="token variable">$</span> <span class="token punctuation">num2</span> <span class="token operator">=</span> <span class="token operator">-123456789</span> <span class="token number">;</span> <span class="token variable">$ char</span> <span class="token operator">=</span> <span class="token number">50</span> <span class="token punctuation">;</span> <span class="token comment">// ASCII 문자 50은 2입니다</span> <span class="token comment">// 댓글 : 형식 값 "%%"는 백분율 부호를 반환합니다</span> <span class="token keyword">echo</span> <span class="token function">sprintf</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"%% b =%b"</span> <span class="token punctuation">,</span> <span class="token variable">$ num1</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 comment">// 이진 번호</span> <span class="token keyword">echo</span> <span class="token function">sprintf</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"%% c =%c"</span> <span class="token punctuation">,</span> <span class="token variable">$ char</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 comment">// ASCII 문자</span> <span class="token keyword">echo</span> <span class="token function">sprintf</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"%% d =%d"</span> <span class="token punctuation">,</span> <span class="token variable">$ num1</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 comment">// 서명 소수점 번호입니다</span> <span class="token keyword">echo</span> <span class="token function">sprintf</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"%% d =%d"</span> <span class="token punctuation">,</span> <span class="token variable">$ num2</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 comment">// 서명 소수점 번호입니다</span> <span class="token keyword">echo</span> <span class="token function">sprintf</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"%% e =%e"</span> <span class="token punctuation">,</span> <span class="token variable">$ num1</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 comment">// 과학 표기법 (소문자)</span> <span class="token keyword">echo</span> <span class="token function">sprintf</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"%% e =%e"</span> <span class="token punctuation">,</span> <span class="token variable">$ num1</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 comment">// 과학 표기법 (CAPS)</span> <span class="token keyword">echo</span> <span class="token function">sprintf</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"%% u =%u"</span> <span class="token punctuation">,</span> <span class="token variable">$ num1</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 comment">// 서명되지 않은 소수점 번호 (긍정적)</span> <span class="token keyword">echo</span> <span class="token function">sprintf</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"%% u =%u"</span> <span class="token punctuation">,</span> <span class="token variable">$ num2</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 comment">// 부호없는 소수점 번호 (음수)</span> <span class="token keyword">echo</span> <span class="token function">sprintf</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"%% f =%f"</span> <span class="token punctuation">,</span> <span class="token variable">$ num1</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 comment">// 부동 소수점 번호 (로컬 설정에 따라 다름)</span> <span class="token keyword">echo</span> <span class="token function">sprintf</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"%% f =%f"</span> <span class="token punctuation">,</span> <span class="token variable">$ num1</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 comment">// 부동 소수점 번호 (로컬 설정에 따라 아님)</span> <span class="token keyword">echo</span> <span class="token function">sprintf</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"%% g =%g"</span> <span class="token punctuation">,</span> <span class="token variable">$ num1</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 comment">// %e와 %f보다 짧습니다</span> <span class="token keyword">echo</span> <span class="token function">sprintf</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"%% g =%g"</span> <span class="token punctuation">,</span> <span class="token variable">$ num1</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 comment">// %e와 %f보다 짧습니다</span> <span class="token keyword">echo</span> <span class="token function">sprintf</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"%% o =%o"</span> <span class="token punctuation">,</span> <span class="token variable">$ num1</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 comment">// 옥탈 번호</span> <span class="token keyword">echo</span> <span class="token function">sprintf</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"%% s =%s"</span> <span class="token punctuation">,</span> <span class="token variable">$ num1</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 comment">// 끈</span> <span class="token keyword">echo</span> <span class="token function">sprintf</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"%% x =%x"</span> <span class="token punctuation">,</span> <span class="token variable">$ num1</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 comment">// 16 진수 (소문자)</span> <span class="token keyword">echo</span> <span class="token function">sprintf</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"%% x =%x"</span> <span class="token punctuation">,</span> <span class="token variable">$ num1</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 comment">// 16 진수 번호 (캡)</span> <span class="token keyword">echo</span> <span class="token function">sprintf</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"%%+d =%+d"</span> <span class="token punctuation">,</span> <span class="token variable">$ num1</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 comment">// 기호 지정자 (긍정적)</span> <span class="token keyword">echo</span> <span class="token function">sprintf</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"%%+d =%+d"</span> <span class="token punctuation">,</span> <span class="token variable">$ num2</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 comment">// 기호 지정자 (음수)</span> <span class="token delimiter important">?></span></span>
문자열 지정자의 데모 :
<span class="token php language-php"><span class="token delimiter important"><? php</span> <span class="token variable">$ str1</span> <span class="token operator">=</span> <span class="token string double-quoted-string">"Hello"</span> <span class="token punctuation">;</span> <span class="token variable">$ str2</span> <span class="token operator">=</span> <span class="token string double-quoted-string">"안녕하세요 세계!"</span> <span class="token punctuation">;</span> <span class="token keyword">echo</span> <span class="token function">sprintf</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"[%s]"</span> <span class="token punctuation">,</span> <span class="token variable">$ str1</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">sprintf</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"[%8s]"</span> <span class="token punctuation">,</span> <span class="token variable">$ str1</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">sprintf</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"[%-8s]"</span> <span class="token punctuation">,</span> <span class="token variable">$ str1</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">sprintf</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"[%08s]"</span> <span class="token punctuation">,</span> <span class="token variable">$ str1</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">sprintf</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"[%'*8s]"</span> <span class="token punctuation">,</span> <span class="token variable">$ str1</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">sprintf</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"[%8.8s]"</span> <span class="token punctuation">,</span> <span class="token variable">$ str2</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 delimiter important">?></span></span>
