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Function utf8_substr_replace

UTF-8 aware substr_replace. Note: requires utf8_substr to be loaded

Package: utf8
See: http://www.php.net/substr_replace
See: utf8_strlen()
See: utf8_substr()
Located at vendor/joomla/string/src/phputf8/substr_replace.php

Parameters summary

`mixed`	`$str`
`mixed`	`$repl`
`mixed`	`$start`
`mixed`	`$length = NULL`