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<?php
/**
* The Array helpers.
*
* @since 1.0.0
* @package RankMath
* @subpackage RankMath\Helpers
* @author RankMath <support@rankmath.com>
*/
namespace RankMath\Helpers;
use ArrayAccess;
/**
* Arr class.
*/
class Arr {
/**
* Determine whether the given value is array accessible.
*
* @param mixed $value Value to check.
*
* @return bool
*/
public static function accessible( $value ) {
return is_array( $value ) || $value instanceof ArrayAccess;
}
/**
* Determine if the given key exists in the provided array.
*
* @param ArrayAccess|array $array Array to check key in.
* @param string|int $key Key to check for.
*
* @return bool
*/
public static function exists( $array, $key ) {
if ( $array instanceof ArrayAccess ) {
// @codeCoverageIgnoreStart
return $array->offsetExists( $key );
// @codeCoverageIgnoreEnd
}
return array_key_exists( $key, $array );
}
/**
* Check whether an array or [[\Traversable]] contains an element.
*
* This method does the same as the PHP function [in_array()](https://secure.php.net/manual/en/function.in-array.php)
* but additionally works for objects that implement the [[\Traversable]] interface.
*
* @throws \InvalidArgumentException If `$array` is neither traversable nor an array.
*
* @param array|\Traversable $array The set of values to search.
* @param mixed $search The value to look for.
* @param bool $strict Whether to enable strict (`===`) comparison.
*
* @return bool `true` if `$search` was found in `$array`, `false` otherwise.
*/
public static function includes( $array, $search, $strict = true ) {
if ( $array instanceof \Traversable ) {
return self::includes_traversable( $array, $search, $strict );
}
$is_array = is_array( $array );
if ( ! $is_array ) {
throw new \InvalidArgumentException( 'Argument $array must be an array or implement Traversable' );
}
return $is_array ? in_array( $search, $array, $strict ) : false; // phpcs:ignore
}
/**
* Check Traversable contains an element.
*
* @param \Traversable $array The set of values to search.
* @param mixed $search The value to look for.
* @param bool $strict Whether to enable strict (`===`) comparison.
*
* @return bool `true` if `$search` was found in `$array`, `false` otherwise.
*/
private static function includes_traversable( $array, $search, $strict = true ) {
foreach ( $array as $value ) {
if ( ( $strict && $search === $value ) || $search == $value ) { // phpcs:ignore
return true;
}
}
return false;
}
/**
* Insert a single array item inside another array at a set position
*
* @param array $array Array to modify. Is passed by reference, and no return is needed.
* @param array $new New array to insert.
* @param int $position Position in the main array to insert the new array.
*/
public static function insert( &$array, $new, $position ) {
$before = array_slice( $array, 0, $position - 1 );
$after = array_diff_key( $array, $before );
$array = array_merge( $before, $new, $after );
}
/**
* Push an item onto the beginning of an array.
*
* @param array $array Array to add.
* @param mixed $value Value to add.
* @param mixed $key Add with this key.
*/
public static function prepend( &$array, $value, $key = null ) {
if ( is_null( $key ) ) {
array_unshift( $array, $value );
return;
}
$array = [ $key => $value ] + $array;
}
/**
* Update array add or delete value
*
* @param array $array Array to modify. Is passed by reference, and no return is needed.
* @param array $value Value to add or delete.
*/
public static function add_delete_value( &$array, $value ) {
if ( ( $key = array_search( $value, $array ) ) !== false ) { // @codingStandardsIgnoreLine
unset( $array[ $key ] );
return;
}
$array[] = $value;
}
/**
* Create an array from string.
*
* @param string $string The string to split.
* @param string $separator Specifies where to break the string.
*
* @return array Returns an array after applying the function to each one.
*/
public static function from_string( $string, $separator = ',' ) {
return array_values( array_filter( array_map( 'trim', explode( $separator, $string ) ) ) );
}
}
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