How to Skip Elements in Foreach Loop

How to skip some records in a foreach loop php ?

For example, there are 68 records in the loop. How can I skip 3 records and start from record #4?

Five solutions come to mind:

Double addressing via array_keys

The problem with for loops is that the keys may be strings or not continues numbers therefore you must use "double addressing" (or "table lookup", call it whatever you want) and access the array via an array of it's keys.

// Initialize 25 items
$array = range( 1, 25, 1);

// You need to get array keys because it may be associative array
// Or it it will contain keys 0,1,2,5,6...
// If you have indexes staring from zero and continuous (eg. from db->fetch_all)
// you can just omit this
$keys = array_keys($array);
for( $i = 21; $i < 25; $i++){
    echo $array[ $keys[ $i]] . "\n";
    // echo $array[$i] . "\n"; // with continuous numeric keys

Skipping records with foreach

I don't believe that this is a good way to do this (except the case that you have LARGE arrays and slicing it or generating array of keys would use large amount of memory, which 68 is definitively not), but maybe it'll work.

$i = 0;
foreach( $array as $key => $item){
    if( $i++ < 21){
    echo $item . "\n";

Using array slice to get sub part or array

Just get piece of array and use it in normal foreach loop.

$sub = array_slice( $array, 21, null, true);
foreach( $sub as $key => $item){
    echo $item . "\n";

Using next()

If you could set up internal array pointer to 21 (let's say in previous foreach loop with break inside, $array[21] doesn't work, I've checked :P) you could do this (won't work if data in array === false):

while( ($row = next( $array)) !== false){
  echo $row;

Using ArrayIterator

Probably studying documentation is the best comment for this one.

// Initialize array iterator
$obj = new ArrayIterator( $array);
$obj->seek(21); // Set to right position
while( $obj->valid()){ // Whether we do have valid offset right now
    echo $obj->current() . "\n";
    $obj->next(); // Switch to next object

This is better than a foreach loop because it only loops over the elements you want. Ask if you have any questions


Hopefully the information we provide can be useful.

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