<?php

$storageAccountname = 'youraccount name';

$accesskey = "youraccount key";

$filepath = realpath('./test.mp4');

$containerName = 'your-container-name';

$blobName = 'demo.mp4';

$URL = "https://$storageAccountname.blob.core.windows.net/$containerName/$blobName";

function uploadBlob($filepath, $storageAccountname, $containerName, $blobName, $URL, $accesskey) {

    $Date = gmdate('D, d M Y H:i:s \G\M\T');

    $handle = fopen($filepath, "r");

    $fileLen = filesize($filepath);

    $headerResource = "x-ms-blob-cache-control:max-age=3600\nx-ms-blob-type:BlockBlob\nx-ms-date:$Date\nx-ms-version:2019-12-12";

    $urlResource = "/$storageAccountname/$containerName/$blobName";

    $arraysign = array();

    $arraysign[] = 'PUT';               /*HTTP Verb*/  

    $arraysign[] = '';                  /*Content-Encoding*/  

    $arraysign[] = '';                  /*Content-Language*/  

    $arraysign[] = $fileLen;            /*Content-Length (include value when zero)*/  

    $arraysign[] = '';                  /*Content-MD5*/  

    $arraysign[] = 'video/mp4';   /*Content-Type*/  

    $arraysign[] = '';                  /*Date*/  

    $arraysign[] = '';                  /*If-Modified-Since */  

    $arraysign[] = '';                  /*If-Match*/  

    $arraysign[] = '';                  /*If-None-Match*/  

    $arraysign[] = '';                  /*If-Unmodified-Since*/  

    $arraysign[] = '';                  /*Range*/  

    $arraysign[] = $headerResource;     /*CanonicalizedHeaders*/

    $arraysign[] = $urlResource;        /*CanonicalizedResource*/

    $str2sign = implode("\n", $arraysign);

    $sig = base64_encode(hash_hmac('sha256', urldecode(utf8_encode($str2sign)), base64_decode($accesskey), true));  

    $authHeader = "SharedKey $storageAccountname:$sig";

    $headers = [

        'Authorization: ' . $authHeader,

        'x-ms-blob-cache-control: max-age=3600',

        'x-ms-blob-type: BlockBlob',

        'x-ms-date: ' . $Date,

        'x-ms-version: 2019-12-12',

        'Content-Type: video/mp4',

        'Content-Length: ' . $fileLen

    ];

    $ch = curl_init();

    curl_setopt ( $ch, CURLOPT_URL, $URL );

    curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);

    curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);

    curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);

    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);

    curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "PUT");

    curl_setopt($ch, CURLOPT_INFILE, $handle); 

    curl_setopt($ch, CURLOPT_INFILESIZE, $fileLen); 

    curl_setopt($ch, CURLOPT_UPLOAD, true); 

    $result = curl_exec($ch);

    echo ('Uploaded successfully<br/>');

    print_r($result);

    curl_close($ch);

}

uploadBlob($filepath, $storageAccountname, $containerName, $blobName, $URL, $accesskey);