Question

How to split a string into an array by delimiter and remove empty elements in PHP

Answer 1

function filterLanguages(string $s, string $delimiter): array {
    return array_filter(
        explode($delimiter, $s),
        fn($value) => $value !== ''
    );
}

$s = "C#,Java,,C,,,Python,,,,,C++,,PHP,";
$arr = filterLanguages($s, ",");

foreach ($arr as $element) {
    echo $element . PHP_EOL;
}

 
 
/*
run:
 
C#
Java
C
Python
C++
PHP
 
*/

 

70+ SQL courses for beginners and professionals