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Home php教程 php手冊(cè) php連接函數(shù)implode與分割explode的深入解析

php連接函數(shù)implode與分割explode的深入解析

Jun 02, 2017 am 11:21 AM
explode implode php

本篇文章是對(duì)php連接函數(shù)implode與分割explode進(jìn)行了詳細(xì)的分析介紹,需要的朋友參考下

目前學(xué)習(xí)php的人有很多,很多進(jìn)行php培訓(xùn)的朋友在學(xué)習(xí)中總會(huì)問(wèn)到這樣一個(gè)問(wèn)題:php連接函數(shù)implode是什么呢?
php可以將字符串分割成數(shù)組,同時(shí)翻過(guò)了也可以將數(shù)組連接成字符串,確切的說(shuō)是可以將數(shù)組元素連接成字符串,有了這兩個(gè)函數(shù)我們就可以在數(shù)組與字符串之間進(jìn)行自由轉(zhuǎn)換了,下面看正文的例子吧。

implode() 連接函數(shù):
此函數(shù)實(shí)現(xiàn)將數(shù)組元素連接成字符串,連接之前我們要給它兩個(gè)參數(shù),一個(gè)是連接符一個(gè)是將要被連接的數(shù)組
注意是一維數(shù)組哦,多維小編很少用,不過(guò)大家可以試試。
例子:代碼如下:

<?php
    $array = array(&#39;a&#39; => 1, &#39;b&#39;=>2, &#39;c&#39;=>3, &#39;d&#39;=>4);
   $string = implode("-",$array)
   echo $string;
//==== 結(jié)果就是:1-2-3-4;
?>


explode() 分割函數(shù):
此函數(shù)功能是將字符串分割到數(shù)組里面,我們依然是給它兩個(gè)參數(shù),一個(gè)是分隔符一個(gè)是將要被分割的字符串
注意這個(gè)分隔符是字符串中存在的哦,我們依然用上面的結(jié)果作為例子

代碼如下:

<?php
   $string = "1-2-3-4";
   $array = explode("-",$string);
print_r($array);

?>
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