How to remove suffix in php

php method to remove suffix: first create a PHP file; then enter the statement "$filename=str_replace(strrchr($filename, "."),"",$filename); "; finally use echo Just output the result.

php remove file name suffix

Introduction:

php remove file name suffix (extension Name):

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

Output:

help

Related introduction:

PHP gets the file name suffix (extension):

//方法一: 
function extend_1($file_name){ 
$retval=""; 
$pt=strrpos($file_name, "."); 
if ($pt) $retval=substr($file_name, $pt+1, strlen($file_name) - $pt); 
return ($retval); 
} 
 
//方法二 
function extend_2($file_name){ 
$extend = pathinfo($file_name); 
$extend = strtolower($extend["extension"]); 
return $extend; 
} 
 
//方法三 
function extend_3($file_name){ 
$extend =explode("." , $file_name); 
$va=count($extend)-1; 
return $extend[$va]; 
} 
?>

example.exe output: exe

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