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<?php
namespace AC\Helper;
class Arrays {
/**
* @param mixed $array
*
* @return bool
*/
public function is_associative( $array ) {
if ( ! is_array( $array ) ) {
return false;
}
foreach ( $array as $key => $value ) {
if ( is_string( $key ) ) {
return true;
}
}
return false;
}
/**
* @param array $array
* @param string $glue
*
* @return string
*/
public function implode_associative( array $array, $glue ) {
$result = [];
foreach ( $array as $key => $item ) {
if ( is_array( $item ) ) {
$result[] = sprintf( '%s[ %s ]', $key, $this->implode_associative( $item, $glue ) );
} else if ( is_numeric( $key ) ) {
$result[] = $this->wrap_boolean_in_italic( $item );
} else {
$result[] = sprintf( '%s: %s', $key, $this->wrap_boolean_in_italic( $item ) );
}
}
return implode( $glue, $result );
}
private function wrap_boolean_in_italic( $value ) {
if ( is_bool( $value ) ) {
$value = sprintf( '<em>%s</em>', $value ? 'true' : 'false' );
}
return $value;
}
/**
* Implode for multi dimensional array
*
* @param string $glue
* @param string|array $pieces
*
* @return string Imploded array
* @since 3.0
*/
public function implode_recursive( $glue, $pieces ) {
if ( is_array( $pieces ) ) {
foreach ( $pieces as $r_pieces ) {
if ( is_array( $r_pieces ) ) {
$retVal[] = $this->implode_recursive( $glue, $r_pieces );
} else {
$retVal[] = $r_pieces;
}
}
if ( isset( $retVal ) && is_array( $retVal ) ) {
return implode( $glue, $retVal );
}
}
if ( is_scalar( $pieces ) ) {
return $pieces;
}
return false;
}
/**
* Replace a single key in an associative array
*
* @param array $input Input array.
* @param int|string $old_key Key to replace.
* @param int|string $new_key Key to replace $old_key with
*
* @return array
* @since 2.2.7
*/
public function key_replace( $input, $old_key, $new_key ) {
$keys = array_keys( $input );
$old_key_pos = array_search( $old_key, $keys );
if ( $old_key_pos === false ) {
return $input;
}
$keys[ $old_key_pos ] = $new_key;
return array_combine( $keys, array_values( $input ) );
}
/**
* Indents any object as long as it has a unique id and that of its parent.
*
* @param array $array
* @param int $parentId
* @param string $parentKey
* @param string $selfKey
* @param string $childrenKey
*
* @return array Indented Array
* @since 1.0
*/
public function indent( $array, $parentId = 0, $parentKey = 'post_parent', $selfKey = 'ID', $childrenKey = 'children' ) {
$indent = [];
$i = 0;
foreach ( $array as $v ) {
if ( $v->$parentKey == $parentId ) {
$indent[ $i ] = $v;
$indent[ $i ]->$childrenKey = $this->indent( $array, $v->$selfKey, $parentKey, $selfKey );
$i++;
}
}
return $indent;
}
/**
* Remove empty values from array
*
* @param array $array
*
* @return array
*/
public function filter( $array ) {
return array_filter( $array, [ ac_helper()->string, 'is_not_empty' ] );
}
/**
* Insert element into array at specific position
*
* @param array $array
* @param array $insert
* @param string $position
*
* @return array
*/
public function insert( $array, $insert, $position ) {
$new = [];
foreach ( $array as $key => $value ) {
$new[ $key ] = $value;
if ( $key === $position ) {
$new = array_merge( $new, $insert );
}
}
return $new;
}
/**
* Get duplicates from array
*
* @param array $array
*
* @return array
*/
public function get_duplicates( array $array ) {
return array_intersect( $array, array_unique( array_diff_key( $array, array_unique( $array ) ) ) );
}
/**
* Returns all integers from an array or comma separated string
*
* @param array|string $mixed
*
* @return int[]
*/
public function get_integers_from_mixed( $mixed ) {
$string = ac_helper()->array->implode_recursive( ',', $mixed );
return ac_helper()->string->string_to_array_integers( $string );
}
}
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