<?xml version="1.0"?>
<documentation xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:noNamespaceSchemaLocation="https://phpcsstandards.github.io/PHPCSDevTools/phpcsdocs.xsd"
title="Strict In Array Syntax"
>
<standard>
<![CDATA[
When using functions which compare a value to a range of values in an array, make sure a strict comparison is executed.
Typically, this rule verifies function calls to the PHP native `in_array()`, `array_search()` and `array_keys()` functions pass the `$strict` parameter.
]]>
</standard>
<code_comparison>
<code title="Valid: calling in_array() with the $strict parameter set to `true`.">
<![CDATA[
$array = array( '1', 1, true );
if ( in_array( $value, $array, <em>true</em> ) ) {}
]]>
</code>
<code title="Invalid: calling in_array() without passing the $strict parameter.">
<![CDATA[
$array = array( '1', 1, true );
if ( in_array( $value, $array<em> </em>) ) {}
]]>
</code>
</code_comparison>
<code_comparison>
<code title="Valid: calling array_search() with the $strict parameter set to `true`.">
<![CDATA[
$key = array_search( 1, $array, <em>true</em> );
]]>
</code>
<code title="Invalid: calling array_search() without passing the $strict parameter.">
<![CDATA[
$key = array_search( 1, $array<em> </em>);
]]>
</code>
</code_comparison>
<code_comparison>
<code title="Valid: calling array_keys() with a $search_value and the $strict parameter set to `true`.">
<![CDATA[
$keys = array_keys( $array, $key, <em>true</em> );
]]>
</code>
<code title="Invalid: calling array_keys() with a $search_value without passing the $strict parameter.">
<![CDATA[
$keys = array_keys( $array, $key<em> </em>);
]]>
</code>
</code_comparison>
</documentation>
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