for each php

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showing results for - "for each php"
Anastasia
05 Mar 2019
1$arr = ['Item 1', 'Item 2', 'Item 3'];
2
3foreach ($arr as $item) {
4  var_dump($item);
5}
Émilie
25 Jan 2016
1foreach (array as $value){ 
2  //code to be executed; 
3  print("value : $value");
4} 
5
6foreach (array as  $key => $value){ 
7  //code to be executed; 
8  print("key[$key] => $value");
9} 
William
13 Jun 2019
1
2<?php
3$arr array(1234);
4foreach ($arr as &$value) {
5    $value $value 2;
6}
7// $arr is now array(2, 4, 6, 8)
8
9// without an unset($value), $value is still a reference to the last item: $arr[3]
10
11foreach ($arr as $key => $value) {
12    // $arr[3] will be updated with each value from $arr...
13    echo "{$key} => {$value} ";
14    print_r($arr);
15}
16// ...until ultimately the second-to-last value is copied onto the last value
17
18// output:
19// 0 => 2 Array ( [0] => 2, [1] => 4, [2] => 6, [3] => 2 )
20// 1 => 4 Array ( [0] => 2, [1] => 4, [2] => 6, [3] => 4 )
21// 2 => 6 Array ( [0] => 2, [1] => 4, [2] => 6, [3] => 6 )
22// 3 => 6 Array ( [0] => 2, [1] => 4, [2] => 6, [3] => 6 )
23?>
24
25
Dennis
08 Jan 2018
1
2<?php
3$arr array(1234);
4foreach ($arr as &$value) {
5    $value $value 2;
6}
7// $arr is now array(2, 4, 6, 8)
8unset($value); // break the reference with the last element
9?>
10
11
Adèle
13 Jun 2018
1
2<?php
3foreach (array(1234as &$value) {
4    $value $value 2;
5}
6?>
7
8
Nayla
25 Jul 2020
1
2<?php
3$array = [
4    [12],
5    [34],
6];
7
8foreach ($array as list($a$b)) {
9    // $a contains the first element of the nested array,
10    // and $b contains the second element.
11    echo "A: $a; B: $b\n";
12}
13?>
14
15
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