How to output the entire array in php

In PHP, we can use some simple methods to output the entire array. The following are some common methods:

Method 1: Use the print_r() function

The print_r() function is a function specifically used to print array output in PHP. It will print in a certain format. Out the contents of the entire array.

Sample code:

<?php
$arr = array(&#39;apple&#39;, &#39;banana&#39;, &#39;orange&#39;, &#39;peach&#39;);
print_r($arr);
?>

Output result:

Array
(
    [0] => apple
    [1] => banana
    [2] => orange
    [3] => peach
)

Method 2: Use the var_dump() function

var_dump() function can be printed out in PHP Functions with details such as variable type, length, value, etc. It works not only for arrays, but also for other variable types.

Sample code:

<?php
$arr = array(&#39;apple&#39;, &#39;banana&#39;, &#39;orange&#39;, &#39;peach&#39;);
var_dump($arr);
?>

Output result:

array(4) {
  [0]=>
  string(5) "apple"
  [1]=>
  string(6) "banana"
  [2]=>
  string(6) "orange"
  [3]=>
  string(5) "peach"
}

Method 3: Use foreach() loop

We can also use foreach() loop to output the entire array. This method is more flexible and can control each element of the output array.

Sample code:

<?php
$arr = array(&#39;apple&#39;, &#39;banana&#39;, &#39;orange&#39;, &#39;peach&#39;);
foreach ($arr as $value) {
    echo $value . &#39;<br>';
}
?>

Output result:

apple
banana
orange
peach

The above three methods can output the contents of the entire array, and you can choose the method that suits you according to different needs.

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