How to remove file extension in php?

Removal method: First use strrchr() to return a string in the form of ".suffix name"; then use str_replace() to replace the string in the form of ".suffix name" in the file name with a null character; Syntax "str_replace(strrchr(filename, "."),"",filename);".

##php remove the file suffix

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

help

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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.

Syntax:

strrchr(string,char)

Parameters:

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

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

str_replace(find,replace,string,count)

##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.

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