How to replace double quotes with single quotes in php

php method to replace double quotes with single quotes: You can use the str_replace() function to replace, such as [str_replace("\"","'",$str);], this function can replace Specific characters in the string (case sensitive).

Code implementation:

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$str=" [{\"1\":\"2\"}] ";
echo $str; //输出[{"1":"2"}]
$str=str_replace("\"","'",$str);
echo $str; //输出[{'1':'2'}]

Function introduction:

str_replace() function replaces some characters in a string (case sensitive).

Syntax:

str_replace(find,replace,string,count)

Parameter description:

• find Required. Specifies the value to be found.

• replace Required. Specifies the replacement of the value in find Value.

• string Required. Specifies the string to be searched.

• count Optional. A variable that counts the number of substitutions.

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