當前位置: 首頁> 函數類別大全> addcslashes

addcslashes

以C 語言風格使用反斜線轉義字符串中的字符
名稱:addcslashes
分類:字符串
所屬語言:php
一句話介紹:返回在指定的字符前添加反斜杠的字符串。

實例

例子1

在字符"A" 之前添加一個反斜杠:

 <span class="token php language-php"><span class="token delimiter important"><?php</span>
<span class="token variable">$str</span> <span class="token operator">=</span> <span class="token function">addcslashes</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"A001 A002 A003"</span> <span class="token punctuation">,</span> <span class="token string double-quoted-string">"A"</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span>
<span class="token keyword">echo</span> <span class="token punctuation">(</span> <span class="token variable">$str</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span>
<span class="token delimiter important">?></span></span>

親自試一試

例子2

向字符串中的特定字符添加反斜杠:

 <span class="token php language-php"><span class="token delimiter important"><?php</span>
<span class="token variable">$str</span> <span class="token operator">=</span> <span class="token string double-quoted-string">"Welcome to Shanghai!"</span> <span class="token punctuation">;</span>
<span class="token keyword">echo</span> <span class="token variable">$str</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">addcslashes</span> <span class="token punctuation">(</span> <span class="token variable">$str</span> <span class="token punctuation">,</span> <span class="token string single-quoted-string">&#39;m&#39;</span> <span class="token punctuation">)</span> <span class="token operator">.</span> <span class="token string double-quoted-string">"<br>"</span> <span class="token punctuation">;</span>
<span class="token keyword">echo</span> <span class="token function">addcslashes</span> <span class="token punctuation">(</span> <span class="token variable">$str</span> <span class="token punctuation">,</span> <span class="token string single-quoted-string">&#39;H&#39;</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>

親自試一試

例子3

向字符串中的某個範圍內的字符添加反斜杠:

 <span class="token php language-php"><span class="token delimiter important"><?php</span>
<span class="token variable">$str</span> <span class="token operator">=</span> <span class="token string double-quoted-string">"Welcome to Shanghai!"</span> <span class="token punctuation">;</span>
<span class="token keyword">echo</span> <span class="token variable">$str</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">addcslashes</span> <span class="token punctuation">(</span> <span class="token variable">$str</span> <span class="token punctuation">,</span> <span class="token string single-quoted-string">&#39;A..Z&#39;</span> <span class="token punctuation">)</span> <span class="token operator">.</span> <span class="token string double-quoted-string">"<br>"</span> <span class="token punctuation">;</span>
<span class="token keyword">echo</span> <span class="token function">addcslashes</span> <span class="token punctuation">(</span> <span class="token variable">$str</span> <span class="token punctuation">,</span> <span class="token string single-quoted-string">&#39;a..z&#39;</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">addcslashes</span> <span class="token punctuation">(</span> <span class="token variable">$str</span> <span class="token punctuation">,</span> <span class="token string single-quoted-string">&#39;a..g&#39;</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span>
<span class="token delimiter important">?></span></span>

親自試一試

同類函數
  • 計算一個字符串的crc32 多項式 crc32

    crc32

    計算一個字符串的crc32多項式
  • 將字符串轉化為大寫 strtoupper

    strtoupper

    將字符串轉化為大寫
  • 反轉義一個轉義的字符串 stripslashes

    stripslashes

    反轉義一個轉義的字符串
  • 打斷字符串為指定數量的字串 wordwrap

    wordwrap

    打斷字符串為指定數量的字串
  • 二進制安全字符串比較 strcmp

    strcmp

    二進制安全字符串比較
  • 將HTML實體轉換為相應的字符 html_entity_decode

    html_entity_decode

    將HTML實體轉換為相應的字符
  • 基於區域設置的字符串比較 strcoll

    strcoll

    基於區域設置的字符串比較
  • 輸出一個或多個字符串 echo

    echo

    輸出一個或多個字符串