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                合規國際互聯網加速 OSASE為企業客戶提供高速穩定SD-WAN國際加速解決方案。 廣告
                **定義和用法** > str_replace() 函數使用一個字符串替換字符串中的另一些字符。 **語法** str_replace(find,replace,string,count) | 參數 | 描述 | |--------|--------| | find | 必需。規定要查找的值。 | | replace | 必需。規定替換 find 中的值的值。| | string | 規定被搜索的字符串。| | count | 可選。一個變量,對替換數進行計數。| **提示和注釋** * 注釋:該函數對大小寫敏感。請使用 str_ireplace() 執行對大小寫不敏感的搜索。 * 注釋:該函數是二進制安全的。 **例子** 例子 1 ~~~ <?php echo str_replace("world","John","Hello world!"); ?> ~~~ 輸出: `Hello John!` 例子 2 在本例中,我們將演示帶有數組和 count 變量的 str_replace() 函數: ~~~ <?php $arr = array("blue","red","green","yellow"); print_r(str_replace("red","pink",$arr,$i)); echo "Replacements: $i"; ?> ~~~ 輸出: ~~~ Array ( [0] => blue [1] => pink [2] => green [3] => yellow ) Replacements: 1 ~~~ 例子 3 ~~~ <?php $find = array("Hello","world"); $replace = array("B"); $arr = array("Hello","world","!"); print_r(str_replace($find,$replace,$arr)); ?> ~~~ 輸出: ~~~ Array ( [0] => B [1] => [2] => ! ) ~~~
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