PHP substr_replace () function syntax and parameters _php Tutorial

PHP substr_replace () function syntax

Substr_replace (String,replacement,start,length)

Parameters	Description
String	Necessary. Specifies the string to check.
Replacement	Necessary. Specifies the string to insert.
Start	Necessary. Specifies where the string begins to be replaced. Positive number-starts with the first offset Negative number-replaces the start offset starting at the end of a string 0-Start the substitution at the first character in the string
Charlist	Optional. Specifies the number of characters to replace. Positive number-The length of the string being replaced Negative-the number of characters to be replaced starting at the end of the string 0-Insert rather than replace

http://www.bkjia.com/PHPjc/364579.html www.bkjia.com true http://www.bkjia.com/PHPjc/364579.html techarticle The PHP substr_replace () function Syntax Substr_replace (string,replacement,start,length) parameter describes the string required. Specifies the string to check. Replacement required. Rule to insert ...

