Edit file File name : collection.php Content :<?php /** * Inspired by Laravel Collection. * @link https://github.com/illuminate/collections */ namespace Elementor\Core\Utils; if ( ! defined( 'ABSPATH' ) ) { exit; // Exit if accessed directly. } class Collection implements \ArrayAccess, \Countable, \IteratorAggregate { /** * The items contained in the collection. * * @var array */ protected $items; /** * Collection constructor. * * @param array $items */ public function __construct( array $items = [] ) { $this->items = $items; } /** * @param array $items * * @return static */ public static function make( array $items = [] ) { return new static( $items ); } /** * @param callable|null $callback * * @return $this */ public function filter( callable $callback = null ) { if ( ! $callback ) { return new static( array_filter( $this->items ) ); } return new static( array_filter( $this->items, $callback, ARRAY_FILTER_USE_BOTH ) ); } /** * @param $items * * @return $this */ public function merge( $items ) { if ( $items instanceof Collection ) { $items = $items->all(); } return new static( array_merge( $this->items, $items ) ); } /** * Union the collection with the given items. * * @param array $items * * @return $this */ public function union( array $items ) { return new static( $this->all() + $items ); } /** * Merge array recursively * * @param $items * * @return $this */ public function merge_recursive( $items ) { if ( $items instanceof Collection ) { $items = $items->all(); } return new static( array_merge_recursive( $this->items, $items ) ); } /** * Replace array recursively * * @param $items * * @return $this */ public function replace_recursive( $items ) { if ( $items instanceof Collection ) { $items = $items->all(); } return new static( array_replace_recursive( $this->items, $items ) ); } /** * Implode the items * * @param $glue * * @return string */ public function implode( $glue ) { return implode( $glue, $this->items ); } /** * Run a map over each of the items. * * @param callable $callback * @return $this */ public function map( callable $callback ) { $keys = array_keys( $this->items ); $items = array_map( $callback, $this->items, $keys ); return new static( array_combine( $keys, $items ) ); } /** * Run a callback over each of the items. * * @param callable $callback * @return $this */ public function each( callable $callback ) { foreach ( $this->items as $key => $value ) { if ( false === $callback( $value, $key ) ) { break; } } return $this; } /** * @param callable $callback * @param null $initial * * @return mixed|null */ public function reduce( callable $callback, $initial = null ) { $result = $initial; foreach ( $this->all() as $key => $value ) { $result = $callback( $result, $value, $key ); } return $result; } /** * @param callable $callback * * @return $this */ public function map_with_keys( callable $callback ) { $result = []; foreach ( $this->items as $key => $value ) { $assoc = $callback( $value, $key ); foreach ( $assoc as $map_key => $map_value ) { $result[ $map_key ] = $map_value; } } return new static( $result ); } /** * Get all items except for those with the specified keys. * * @param array $keys * * @return $this */ public function except( array $keys ) { return $this->filter( function ( $value, $key ) use ( $keys ) { return ! in_array( $key, $keys, true ); } ); } /** * Get the items with the specified keys. * * @param array $keys * * @return $this */ public function only( array $keys ) { return $this->filter( function ( $value, $key ) use ( $keys ) { return in_array( $key, $keys, true ); } ); } /** * Run over the collection to get specific prop from the collection item. * * @param $key * * @return $this */ public function pluck( $key ) { $result = []; foreach ( $this->items as $item ) { $result[] = $this->get_item_value( $item, $key ); } return new static( $result ); } /** * Group the collection items by specific key in each collection item. * * @param $group_by * * @return $this */ public function group_by( $group_by ) { $result = []; foreach ( $this->items as $item ) { $group_key = $this->get_item_value( $item, $group_by, 0 ); $result[ $group_key ][] = $item; } return new static( $result ); } /** * Sort keys * * @param false $descending * * @return $this */ public function sort_keys( $descending = false ) { $items = $this->items; if ( $descending ) { krsort( $items ); } else { ksort( $items ); } return new static( $items ); } /** * Get specific item from the collection. * * @param $key * @param null $default * * @return mixed|null */ public function get( $key, $default = null ) { if ( ! array_key_exists( $key, $this->items ) ) { return $default; } return $this->items[ $key ]; } /** * Get the first item. * * @param null $default * * @return mixed|null */ public function first( $default = null ) { if ( $this->is_empty() ) { return $default; } foreach ( $this->items as $item ) { return $item; } } /** * Find an element from the items. * * @param callable $callback * @param null $default * * @return mixed|null */ public function find( callable $callback, $default = null ) { foreach ( $this->all() as $key => $item ) { if ( $callback( $item, $key ) ) { return $item; } } return $default; } /** * @param callable|string|int $value * * @return bool */ public function contains( $value ) { $callback = $value instanceof \Closure ? $value : function ( $item ) use ( $value ) { return $item === $value; }; foreach ( $this->all() as $key => $item ) { if ( $callback( $item, $key ) ) { return true; } } return false; } /** * Make sure all the values inside the array are uniques. * * @param null|string|string[] $keys * * @return $this */ public function unique( $keys = null ) { if ( ! $keys ) { return new static( array_unique( $this->items ) ); } if ( ! is_array( $keys ) ) { $keys = [ $keys ]; } $exists = []; return $this->filter( function ( $item ) use ( $keys, &$exists ) { $value = null; foreach ( $keys as $key ) { $current_value = $this->get_item_value( $item, $key ); $value .= "{$key}:{$current_value};"; } // If no value for the specific key return the item. if ( null === $value ) { return true; } // If value is not exists, add to the exists array and return the item. if ( ! in_array( $value, $exists, true ) ) { $exists[] = $value; return true; } return false; } ); } /** * @return array */ public function keys() { return array_keys( $this->items ); } /** * @return bool */ public function is_empty() { return empty( $this->items ); } /** * @return array */ public function all() { return $this->items; } /** * @return array */ public function values() { return array_values( $this->all() ); } /** * Support only one level depth. * * @return $this */ public function flatten() { $result = []; foreach ( $this->all() as $item ) { $item = $item instanceof Collection ? $item->all() : $item; if ( ! is_array( $item ) ) { $result[] = $item; } else { $values = array_values( $item ); foreach ( $values as $value ) { $result[] = $value; } } } return new static( $result ); } /** * @param ...$values * * @return $this */ public function push( ...$values ) { foreach ( $values as $value ) { $this->items[] = $value; } return $this; } public function prepend( ...$values ) { $this->items = array_merge( $values, $this->items ); return $this; } public function some( callable $callback ) { foreach ( $this->items as $key => $item ) { if ( $callback( $item, $key ) ) { return true; } } return false; } /** * @param mixed $offset * * @return bool */ #[\ReturnTypeWillChange] public function offsetExists( $offset ) { return isset( $this->items[ $offset ] ); } /** * @param mixed $offset * * @return mixed */ #[\ReturnTypeWillChange] public function offsetGet( $offset ) { return $this->items[ $offset ]; } /** * @param mixed $offset * @param mixed $value */ #[\ReturnTypeWillChange] public function offsetSet( $offset, $value ) { if ( is_null( $offset ) ) { $this->items[] = $value; } else { $this->items[ $offset ] = $value; } } /** * @param mixed $offset */ #[\ReturnTypeWillChange] public function offsetUnset( $offset ) { unset( $this->items[ $offset ] ); } /** * @return \ArrayIterator|\Traversable */ #[\ReturnTypeWillChange] public function getIterator() { return new \ArrayIterator( $this->items ); } /** * @return int|void */ #[\ReturnTypeWillChange] public function count() { return count( $this->items ); } /** * @param $item * @param $key * @param null $default * * @return mixed|null */ private function get_item_value( $item, $key, $default = null ) { $value = $default; if ( is_object( $item ) && isset( $item->{$key} ) ) { $value = $item->{$key}; } elseif ( is_array( $item ) && isset( $item[ $key ] ) ) { $value = $item[ $key ]; } return $value; } } Save