輸出一個字符串
中文(繁體)
中文(繁體)
向輸出寫入文本：
<span class="token php language-php"><span class="token delimiter important"><?php</span> <span class="token keyword">print</span> <span class="token string double-quoted-string">"I love Shanghai!"</span> <span class="token punctuation">;</span> <span class="token delimiter important">?></span></span>
輸出字符串變量（$str）的值：
<span class="token php language-php"><span class="token delimiter important"><?php</span> <span class="token variable">$str</span> <span class="token operator">=</span> <span class="token string double-quoted-string">"I love Shanghai!"</span> <span class="token punctuation">;</span> <span class="token keyword">print</span> <span class="token variable">$str</span> <span class="token punctuation">;</span> <span class="token delimiter important">?></span></span>
輸出字符串變量（$str）的值，包含HTML 標籤：
<span class="token php language-php"><span class="token delimiter important"><?php</span> <span class="token variable">$str</span> <span class="token operator">=</span> <span class="token string double-quoted-string">"I love Shanghai!"</span> <span class="token punctuation">;</span> <span class="token keyword">print</span> <span class="token variable">$str</span> <span class="token punctuation">;</span> <span class="token keyword">print</span> <span class="token string double-quoted-string">"<br>What a nice day!"</span> <span class="token punctuation">;</span> <span class="token delimiter important">?></span></span>
連接兩個字符串變量：
<span class="token php language-php"><span class="token delimiter important"><?php</span> <span class="token variable">$str1</span> <span class="token operator">=</span> <span class="token string double-quoted-string">"I love Shanghai!"</span> <span class="token punctuation">;</span> <span class="token variable">$str2</span> <span class="token operator">=</span> <span class="token string double-quoted-string">"What a nice day!"</span> <span class="token punctuation">;</span> <span class="token keyword">print</span> <span class="token variable">$str1</span> <span class="token operator">.</span> <span class="token string double-quoted-string">" "</span> <span class="token operator">.</span> <span class="token variable">$str2</span> <span class="token punctuation">;</span> <span class="token delimiter important">?></span></span>
輸出數組的值：
<span class="token php language-php"><span class="token delimiter important"><?php</span> <span class="token variable">$age</span> <span class="token operator">=</span> <span class="token keyword">array</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"Bill"</span> <span class="token operator">=></span> <span class="token string double-quoted-string">"60"</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span> <span class="token keyword">print</span> <span class="token string double-quoted-string">"Bill Gates is "</span> <span class="token operator">.</span> <span class="token variable">$age</span> <span class="token punctuation">[</span> <span class="token string single-quoted-string">'Bill'</span> <span class="token punctuation">]</span> <span class="token operator">.</span> <span class="token string double-quoted-string">" years old."</span> <span class="token punctuation">;</span> <span class="token delimiter important">?></span></span>
輸出文本：
<span class="token php language-php"><span class="token delimiter important"><?php</span> <span class="token keyword">print</span> <span class="token string double-quoted-string">"This text spans multiple lines."</span> <span class="token punctuation">;</span> <span class="token delimiter important">?></span></span>
單引號和雙引號的區別。單引號將輸出變量名稱，而不是值：
<span class="token php language-php"><span class="token delimiter important"><?php</span> <span class="token variable">$color</span> <span class="token operator">=</span> <span class="token string double-quoted-string">"red"</span> <span class="token punctuation">;</span> <span class="token keyword">print</span> <span class="token string double-quoted-string">"Roses are <span class="token interpolation"><span class="token variable">$color</span></span> "</span> <span class="token punctuation">;</span> <span class="token keyword">print</span> <span class="token string double-quoted-string">"<br>"</span> <span class="token punctuation">;</span> <span class="token keyword">print</span> <span class="token string single-quoted-string">'Roses are $color'</span> <span class="token punctuation">;</span> <span class="token delimiter important">?></span></span>
html_entity_decode
strlen
str_shuffle
strcasecmp
stripos
sha1
money_format
strripos
