forreah php
$arr = array(1, 2, 3, 4);
foreach ($arr as &$value) {
$value = $value * 2;
}forreah php
$arr = array(1, 2, 3, 4);
foreach ($arr as &$value) {
$value = $value * 2;
}javascript foreach
const avengers = ['thor', 'captain america', 'hulk'];
avengers.forEach((item, index)=>{
console.log(index, item)
})javascript foreach
var colors = ['red', 'blue', 'green'];
colors.forEach(function(color) {
console.log(color);
});foreach loop array php
foreach (array as $value){
//code to be executed;
print("value : $value");
}
foreach (array as $key => $value){
//code to be executed;
print("key[$key] => $value");
}forEach
const arraySparse = [1,3,,7]
let numCallbackRuns = 0
arraySparse.forEach((element) => {
console.log(element)
numCallbackRuns++
})
console.log("numCallbackRuns: ", numCallbackRuns)
// 1
// 3
// 7
// numCallbackRuns: 3
// comment: as you can see the missing value between 3 and 7 didn't invoke callback function.foreach
int[] numbers = { 4, 5, 6, 1, 2, 3, -2, -1, 0 };
foreach (int i in numbers)
{
System.Console.Write("{0} ", i);
}
// Output: 4 5 6 1 2 3 -2 -1 0Copyright © 2021 Codeinu
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