# CollectionModify class

(PECL mysql-xdevapi >= 8.0.11)

## Introduction

## Class synopsis

class mysql_xdevapi\CollectionModify implements mysql_xdevapi\Executable, mysql_xdevapi\CrudOperationBindable, mysql_xdevapi\CrudOperationLimitable, mysql_xdevapi\CrudOperationSkippable, mysql_xdevapi\CrudOperationSortable {
/* Methods */
public arrayAppend(string `$collection_field`, string `$expression_or_literal`): mysql_xdevapi\CollectionModify
public arrayInsert(string `$collection_field`, string `$expression_or_literal`): mysql_xdevapi\CollectionModify
public bind(array `$placeholder_values`): mysql_xdevapi\CollectionModify
public execute(): mysql_xdevapi\Result
public limit(int `$rows`): mysql_xdevapi\CollectionModify
public patch(string `$document`): mysql_xdevapi\CollectionModify
public replace(string `$collection_field`, string `$expression_or_literal`): mysql_xdevapi\CollectionModify
public set(string `$collection_field`, string `$expression_or_literal`): mysql_xdevapi\CollectionModify
public skip(int `$position`): mysql_xdevapi\CollectionModify
public sort(string `$sort_expr`): mysql_xdevapi\CollectionModify
public unset(array `$fields`): mysql_xdevapi\CollectionModify
}

## Table of Contents

- CollectionModify::arrayAppend — Append element to an array field
- CollectionModify::arrayInsert — Insert element into an array field
- CollectionModify::bind — Bind value to query placeholder
- CollectionModify::__construct — CollectionModify constructor
- CollectionModify::execute — Execute modify operation
- CollectionModify::limit — Limit number of modified documents
- CollectionModify::patch — Patch document
- CollectionModify::replace — Replace document field
- CollectionModify::set — Set document attribute
- CollectionModify::skip — Skip elements
- CollectionModify::sort — Set the sorting criteria
- CollectionModify::unset — Unset the value of document fields

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