Loading...

判斷字串是否存在於內容中

Temperature: 0 °C

Mark ChangMark Chang
author_tools


判斷字串是否存在於內容中
以下範例~

搜尋 If you are lucky enough to be different. 裡是否有 different 字串

$content = 'If you are lucky enough to be different.';
$string_a = 'different';//尋找內容裡是否有此字串
if (false !== ($rst = strpos($content , $string_a ))) {
echo 'yes';// 若存在
} else {
echo 'no'; // 若不存在
}


說真的,用的到。

https://innstory.com/story-判斷字串是否存在於內容中-1800
PHP

Prev
 刪除已上傳至server的檔案

Next
如何將mysql_table_autoincrement重設 

About the Author

Mark Chang

離不開電腦的宅男

Visitor message

Leave some footprints to prove that you visited me

Recommended reading

Author's other related stories

如何修復Undefined Index錯誤訊息

如何修復Undefined ...

錯誤的原因是因為當我們使用 $GET 和 $POST 方法取得變數時會發生這種情況,雖然PHP的部分...

直接在PHP重新命名帶有前綴的session.name

直接在PHP重新命名帶有前綴...

直接在php檔案裡加入以下指令 sessionname(&#;SecurePHPSESSID&#;)...

使用jQuery阻止input直接按Enter就送出表單

使用jQuery阻止inpu...

使用表單是傳送資料裡經常會用到的方式。 這時當使用者輸入表單後習慣上按下Enter,則會將表單內容送...

Please select an option

error

Hi, thank you for your participation, but you cannot vote repeatedly~

Join innstory now and start recording your story.

"Innstory" is a place to store stories. We are committed to becoming a warm platform. Deepening the bonds between people is our direction.
We are convinced that the blockchain between people is not just a cold calculation. Join us now.

Wrong format