How can i make my delete function work in php

my code was working but i don’t know how to create a delete function i tried my best to search some but it doesn’t fit in this code im still learning the basics and i will really appreciate the help, thank you very much in advance

<?php

$straw = [];
$index = 0;

class Fruit {

    private $name;
    private $color;

    public function describe($name, $color) {
        $this->name = $name;
        $this->color = $color;
    }

    public function intro() {
        echo "{$this->name}"."n";
        echo "{$this->color}"."n";
    }
}

// Strawberry is inherited from Fruit
class Strawberry extends Fruit {
  
    public function getfruit() {
        echo $this->intro();
    }

    public function assignfruit($name, $color){
        $this->describe($name, $color);
    }

    public function deletePatient($index){
        unset($this->intro[$index]);
    }
}

$strawberry1 = new Strawberry();
$strawberry1->assignfruit("Strawberry", "red");
$straw[$index] = $strawberry1;
$index++;

$strawberry2 = new Strawberry();
$strawberry2->assignfruit("Strawberry", "red");
$straw[$index]= $strawberry2;
$index++;

$strawberry2->deletePatient(1);

foreach ($straw as $star){
    echo $star->getfruit();
}

Answer

Seems like you want to delete a fruit?

You store the fruits in an array called $straw. So if you want to delete one, you need to delete it from that array.

Try this:

unset($straw[0]);
foreach ($straw as $star) {
    echo $star->getfruit();
      
}

That should delete the first entry into the array, and therefore your first fruit.

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Answer