How to remove quotes before and after a string in php
Aug 03, 2020 pm 03:04 PMphp method to remove quotes before and after a string: first determine whether the string begins with a quote; then use the substr() function to return the rest of the string; then determine whether the string ends with a quote; finally use substr again () function returns the rest of the string.
The substr() function returns the extracted portion of the string, FALSE if failed, or an empty string.
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Syntax:
substr(string,start,length)
Note: If the start parameter is a negative number and length is less than or equal to start, Then length is 0.
Parameters:
string Required. Specifies a part of the string to be returned.
#start Required. Specifies where in the string to begin.
#length Optional. Specifies the length of the string to be returned. The default is until the end of the string.
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php code:
function remove_quote(&$str) { if (preg_match("/^\"/",$str)){ $str = substr($str, 1, strlen($str) - 1); } //判断字符串是否以'"'结束 if (preg_match("/\"$/",$str)){ $str = substr($str, 0, strlen($str) - 1);; } return $str; }
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