lp__insert_into_array( $key, $array, $default = null )

This function allows you to insert a single value or an array of values into an existing array at a specified position based on an identifier. The identifier can be a key, index, or value present in the array.

Plugin

Launchpad Core

Namespace

Launchpad

Parameters

array

$array

Variable to log.

mixed

$value

The value or array to insert into the array.

mixed

$position

The position where the value should be inserted (‘before’ or ‘after’).

mixed

$identifier

The key, index, or value that identifies the position for inserting the value.

Return

array

The modified array with the value inserted.

Source

File: \includes\lp-utility-functions.php

function lp__insert_into_array($value, $array, $position = 'after', $identifier = null)
{
    $newArray = [];
    $key_index = array_search($identifier, array_keys($array), true);
    $value_index = array_search($identifier, $array, true);
    $value = is_array( $value ) ? $value : [ $value ]; 

    if( in_array( $identifier, array( null, "" ) ) || ( $key_index === false && $value_index === false ) ) {
        // Insert at the beginning or at the end if the identifier is not found
        $newArray = $position === 'before' ? array_merge($value, $array) : array_merge($array, $value);
    } else {
        foreach ($array as $key => $val) { 
            if ( ( $key === $identifier || $val === $identifier ) && $position === 'before' ) {
                $newArray = array_merge($newArray, $value);
            }

            if( array_key_exists($key, $newArray) ) $newArray[] = $val;
            else $newArray[ $key ] = $val;

            if ( ( $key === $identifier || $val === $identifier ) && $position === 'after' ) {
                $newArray = array_merge($newArray, $value);
            }
        }
    }

    return $newArray;
}