How to replace double quotes with single quotes in php

Replacement method: 1. Use the preg_replace() function with the regular expression "/\"/", the syntax "preg_replace('/\"/',"'", string)"; 2. Use str_replace() function, syntax "str_replace('"',"'",string)".

The operating environment of this tutorial: windows7 system, PHP7. Version 1, DELL G3 computer

php method to replace double quotes with single quotes

Method 1: Use preg_replace() The function works with a regular expression to convert double quotes into single quotes

preg_replace function performs a regular expression search and replace.

The regular expression used is: /\"/

Example:

<?php
header(&#39;content-type:text/html;charset=utf-8&#39;);   
$param = &#39;{"id":"12", "name":"hi"}&#39;;
echo "原字符串：".$param."<br>";
$new = preg_replace(&#39;/\"/&#39;, "&#39;", $param);
echo "新字符串：".$new;
?>

Method 2: Using str_replace() Function

str_replace() function replaces some characters in a string.

Example:

<?php
header(&#39;content-type:text/html;charset=utf-8&#39;);   
$param = &#39;{"id":"12", "name":"hi","ang":"23"}&#39;;
echo "原字符串：".$param."<br>";
$new = str_replace(&#39;"&#39;,"&#39;",$param);
echo "新字符串：".$new;
?>

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