is_scalar
변수가 스칼라인지 감지하십시오
한국어
한국어
변수가 스칼라인지 확인하십시오.
<span class="token php language-php"><span class="token delimiter important"><? php</span> <span class="token variable">$ a</span> <span class="token operator">=</span> <span class="token string double-quoted-string">"안녕하세요"</span> <span class="token punctuation">;</span> <span class="token keyword">에코</span> <span class="token string double-quoted-string">"a is"</span> <span class="token operator">.</span> <span class="token punctuation">(</span> <span class="token function">is_scalar</span> <span class="token punctuation">(</span> <span class="token variable">$ a</span> <span class="token punctuation">)</span> <span class="token operator">?</span> <span class="token string single-quoted-string">'스칼라'</span> <span class="token punctuation">:</span> <span class="token string single-quoted-string">'스칼라'</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 variable">$ b</span> <span class="token operator">=</span> <span class="token number">0</span> <span class="token punctuation">;</span> <span class="token keyword">에코</span> <span class="token string double-quoted-string">"B는"</span> <span class="token operator">.</span> <span class="token punctuation">(</span> <span class="token function">is_scalar</span> <span class="token punctuation">(</span> <span class="token variable">$ b</span> <span class="token punctuation">)</span> <span class="token operator">?</span> <span class="token string single-quoted-string">'스칼라'</span> <span class="token punctuation">:</span> <span class="token string single-quoted-string">'스칼라'</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 variable">$ c</span> <span class="token operator">=</span> <span class="token number">32</span> <span class="token punctuation">;</span> <span class="token keyword">에코</span> <span class="token string double-quoted-string">"C는"</span> <span class="token operator">.</span> <span class="token punctuation">(</span> <span class="token function">is_scalar</span> <span class="token punctuation">(</span> <span class="token variable">$ c</span> <span class="token punctuation">)</span> <span class="token operator">?</span> <span class="token string single-quoted-string">'스칼라'</span> <span class="token punctuation">:</span> <span class="token string single-quoted-string">'스칼라'</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 variable">$ d</span> <span class="token operator">=</span> <span class="token constant">null</span> <span class="token punctuation">;</span> <span class="token keyword">Echo</span> <span class="token string double-quoted-string">"d is"</span> <span class="token operator">.</span> <span class="token punctuation">(</span> <span class="token function">is_scalar</span> <span class="token punctuation">(</span> <span class="token variable">$ d</span> <span class="token punctuation">)</span> <span class="token operator">?</span> <span class="token string single-quoted-string">'스칼라'</span> <span class="token punctuation">:</span> <span class="token string single-quoted-string">'스칼라'</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 variable">$ e</span> <span class="token operator">=</span> <span class="token keyword">배열</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"빨간색"</span> <span class="token punctuation">,</span> <span class="token string double-quoted-string">"녹색"</span> <span class="token punctuation">,</span> <span class="token string double-quoted-string">"파란색"</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span> <span class="token keyword">echo</span> <span class="token string double-quoted-string">"e is"</span> <span class="token operator">.</span> <span class="token punctuation">(</span> <span class="token function">is_scalar</span> <span class="token punctuation">(</span> <span class="token variable">$ e</span> <span class="token punctuation">)</span> <span class="token operator">?</span> <span class="token string single-quoted-string">'스칼라'</span> <span class="token punctuation">:</span> <span class="token string single-quoted-string">'스칼라'</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>
get_defined_vars
get_debug_type
is_double
serialize
print_r
unset
settype
is_iterable
