How to remove file extension in php

php method to remove the file suffix: first use the strrchr() function to find the position where the file suffix appears in the file name; then use the str_replace() function to replace the file suffix.

str_replace() function replaces some characters in a string (case sensitive).

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Syntax:

str_replace(find,replace,string,count)

Parameters:

• find Required. Specifies the value to look for.

• replace Required. Specifies the value to replace the value in find .

• #string Required. Specifies the string to be searched for.

• #count Optional. A variable counting the number of substitutions.

strrchr() function finds the last occurrence of a string in another string and returns all characters from that position to the end of the string.

Grammar:

strrchr(string,char)

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Parameters:

• ## string Required. Specifies the string to be searched for.

• #char Required. Specifies the characters to search for. If the argument is a number, then searches for characters matching the numeric ASCII value.

Implementation code:

<?php 
$filename="help.php";
$filename=str_replace(strrchr($filename, "."),"",$filename);
echo $filename;
?>

Output result:

help

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