PHP'de Virgül İle Ayırmayı explode İle mi Yapıyorduk? Nasıl Yapıyorduk?

echo str_replace(' ',  ', ' ,$degisken);

$txt = 'love food education health';
$txt = str_replace(' ', ',', $txt);

echo $txt;

$text = 'love food education health';
$array = explode(' ', $text);
foreach ($array as $values){
    echo "'". $values . "', ";
}

<?php

//örnek bir OOP (object oriented) kullanım:
class Categories
{
    private $categories;

    /**
     * @param array $categories
     */
    public function __construct(array $categories)
    {
        $this->categories = $categories;
    }

    /**
     * @param array $categories
     */
    public function setCategories(array $categories)
    {
        $this->categories = $categories;
    }

    /**
     * @return array
     */
    public function getCategories(): array
    {
        return $this->categories;
    }

    public function printAllCategories()
    {
        foreach ($this->categories as $category)
        {
            echo $category . PHP_EOL;
        }
    }
}


$stringText = "love food education health";

$result = array();

$result = explode(' ', $stringText);

$siteCategories = new Categories($result);

$siteCategories->printAllCategories();
/*
 * Sonuç:
 * love
 * food
 * education
 * health
 */

$text = 'love food education health';
$array = explode(' ', $text);
foreach ($array as $values){
    echo "'". $values . "', ";
}

return is_array($var) ? array_intersect( $var, array( 'menu-item-has-children' $degisken ) ) : '';

return is_array($var) ? array_intersect( $var, array( 'menu-item-has-children', 'love', 'food', 'education', 'health' ) ) : '';

$exclusionList = array();
array_push($exclusionList,'menu-item-has-children');
$textString = "love food education health";
$exclusionList = array_merge($exclusionList,explode(' ', $textString));
return is_array($var) ? array_intersect( $var, $exclusionList) : '';