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Several common methods for obtaining file extensions in PHP, _PHP tutorial

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Release: 2016-07-13 09:45:00
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Several common methods for obtaining file suffix names in PHP.

This article describes several common methods for obtaining file suffix names in PHP. Share it with everyone for your reference. The details are as follows:

Method 1:

function get_file_type($filename){
  $type = substr($filename, strrpos($filename, ".")+1);
  return $type;
}

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Method 2:

function get_file_type($filename)
{
   $type = pathinfo($filename);
   $type = strtolower($type["extension"]);
   return $type;
}

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Method 3:

function get_file_type($filename)
{  
   $type =explode("." , $filename);
   $count=count($type)-1;
   return $type[$count];
}

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I hope this article will be helpful to everyone’s PHP programming design.

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