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PHP Arrays

Loop through an indexed array.

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The concept

An indexed array preserves order. foreach assigns each item to $score before executing the loop body.

PHP

<?php
$scores = [82, 91, 76];
foreach ($scores as $score) {
    echo "$score\n";
}

Output

82
91
76

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1<?php

2$scores = [82, 91, 76];

3foreach ($scores as $score) {

4 echo "$score\n";

5}

Start to inspect the source, values, and output. These prepared steps explain the published sample; grouped loop steps describe multiple iterations.

View the complete dry-run table

Prepared trace of the published program. Some rows group repeated iterations.
What happens	State after step	Output so far
Create a three-element indexed array.	`$scores = [82, 91, 76]`	—
foreach assigns each value to $score.	`$scores = [82, 91, 76]`	—
Echo each score and a newline.	`$scores = [82, 91, 76]`	82 91 76

How PHP processes this code

The PHP runtime executes the script. echo writes to the response or terminal output.