Function mb_stristr

Finds first occurrence of a string within another, case insensitive.

Package: Cake
Copyright: Copyright (c) Cake Software Foundation, Inc. (https://cakefoundation.org)
License: MIT License
Located at Cake/bootstrap.php

mb_stristr( string $haystack string $needle boolean $part false string $encoding null )

Parameters summary

`string`	`$haystack`	The string from which to get the first occurrence of $needle.
`string`	`$needle`	The string to find in $haystack.
`boolean`	`$part = false`	Determines which portion of $haystack this function returns. If set to true, it returns all of $haystack from the beginning to the first occurrence of $needle. If set to false, it returns all of $haystack from the first occurrence of $needle to the end, Default value is false.
`string`	`$encoding = null`	Character encoding name to use. If it is omitted, internal character encoding is used.

Returns

string|boolean The portion of $haystack, or false if $needle is not found.

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https://api.cakephp.org/2.10/function-mb_stristr.html