Check whether image exists on remote server

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Here is example to verify whether given image exists on server or not. For that we can use PHP inbuilt function get_headers() .

get_headers — Fetches all the headers sent by the server in response to an HTTP request. get_headers function return an array with the headers sent by the server in response to a HTTP request.

<?php

$url = "http://blogs.ptutorial.com/wp-content/uploads/2015/08/logo_php5.png";

function checkImageExist($url){
$headers = get_headers($url, 1);
$status="";
if (strpos($headers['Content-Type'], 'image/') !== false) {
    $status=1;
} else {
    $status=0;
}   
return $status;
}
?>

The output of the get_headers function:

Array
(
    [0] => HTTP/1.1 200 OK
    [x-amz-id-2] => c/RpQuXgUvK8Fv6zMa2XIwjYfBMooqSmLBrbfyFRhfmEplvtZht0nI8iHxuQk7DysAFPlagkk6A=
    [x-amz-request-id] => A0FE2FA39A7860A3
    [Date] => Sat, 09 Feb 2019 05:17:40 GMT
    [Last-Modified] => Wed, 11 Jul 2018 20:16:46 GMT
    [ETag] => "7954ed8ca909c136bce3c762733df482"
    [Accept-Ranges] => bytes
    [Content-Type] => image/jpeg
    [Content-Length] => 37934
    [Server] => AmazonS3
    [Connection] => close
)



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Umar Farooque Khan

Founder at pTutorial
Umar Farooque Khan is Software developer and professional blogger serving Worldwide on freelancer and ODesk platform to show the capability of his skills. He is the founder of pTutorial.com. The main purpose of this site is sharing and exchanging of Knowledge related to the recent technologies.