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How to remove file extension in php?

青灯夜游
青灯夜游Original
2020-09-27 16:01:393184browse

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);".

How to remove file extension in php?

##php remove the file suffix

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

Output:

help

Recommendation: "PHP Video Tutorial"

##Instructions:


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:

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

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