replace comma between double quotes using preg_replace [duplicate]

问题

This question already has answers here:

str_getcsv() alternative for older PHP version, gives me an empty array at the end (3 answers)

Closed 6 years ago.

I have a csv file like this

Number,Name,UG College,UG University,PG College,PG University
1100225,Lakshmin,pkrrrr College,"PKRRRRR University, Choice",nandhaaaaa,"Nandhaa University, Kumali"

While reading the file I want to replace comma only inside double quotes .

Thanks in advance .

回答1:

$string = '1100225,Lakshmin,pkrrrr College,"PKRRRRR University, Choice",nandhaaaaa,"Nandhaa University, Kumali"';

$string = preg_replace_callback(
        '|"[^"]+"|',
        create_function(
            // single quotes are essential here,
            // or alternative escape all $ as \$
            '$matches',
            'return str_replace(\',\',\'*comma*\',$matches[0]);'
        ),$string );
$array = explode(',',$string);
$array = str_replace('*comma*',',',$array);
print_r($array);       
exit;

来源：https://stackoverflow.com/questions/16481376/replace-comma-between-double-quotes-using-preg-replace