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I am trying to implement code from this site and in the code the following line is causing an error and my page is not loaded --

use \Aws\Polly\PollyClient;

If I comment the code out then the page loads fine and I get no errors besides that the script I tried to use wont work.

Code seems pretty standard php so im wondering if it's cause it's wordpress and I would need to do something else to be to use - "use" ?

FULL CODE ---

//include_once ('/polly/aws-autoloader.php');

require_once ('/polly/aws-autoloader.php');
use \Aws\Polly\PollyClient;

if(isset($_REQUEST['voice']) && $_REQUEST['voice'] != '') {

$voice_id = $_REQUEST['voice'];

} else {

$voice_id="Joanna";

}

if(isset($_REQUEST['text']) && $_REQUEST['text'] != '') {

$text = trim(strip_tags($_REQUEST['text']));

}

if(isset($_REQUEST['rate']) && $_REQUEST['rate']!='') {

$rate=$_REQUEST['rate'];

} else {

$rate="medium";

}



$is_download = false;


if(isset($_REQUEST['download']) && $_REQUEST['download']==1) {

$is_download=true;

}


$config = [

'version'     => 'latest',
'region'      => 'us-east-1',
'credentials' => [
'key'    => 'MY KEYS',

'secret' => 'MY KEYS',
]

];

$client = new PollyClient($config);
$args = [

'OutputFormat' => 'mp3',
'Text' => "<speak><prosody rate='$rate'>".str_replace("&","&amp;",urldecode ($text))."</prosody></speak>",
'TextType' => 'ssml',
'VoiceId' => $voice_id,
];

$result = $client->synthesizeSpeech($args);
$resultData = $result->get('AudioStream')->getContents();

$size = strlen($resultData); // File size

$length = $size; // Content length

$start = 0; // Start byte

$end = $size - 1; // End byte

if(!$is_download) {

header('Content-Transfer-Encoding:chunked');

header("Content-Type: audio/mpeg");

header("Accept-Ranges: 0-$length");

header("Content-Range: bytes $start-$end/$size");

header("Content-Length: $length");

echo $resultData;


} else {


header('Content-length: ' . strlen($resultData));

header('Content-Disposition: attachment; filename="polly-text-to-speech.mp3"');

header('X-Pad: avoid browser bug');

header('Cache-Control: no-cache');

echo $resultData;

}
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5
  • Did you try debugging this? Could be a (very very) old PHP version on the server Commented May 7, 2018 at 14:27
  • @kero the php version is not old. Commented May 7, 2018 at 14:27
  • Please debug this a bit further. Without an error message it is just guessing. /polly/aws-autoloader.php seems off (see this thread) Commented May 7, 2018 at 14:29
  • I did and I get this -- Parse error: syntax error, unexpected 'use' (T_USE) in /var/...... Commented May 7, 2018 at 14:44
  • Which version of PHP are you using? Commented May 7, 2018 at 15:32

1 Answer 1

Reset to default
4

Quoting this answer, which came up when I searched for your error message: (emphasis mine)

You cannot use "use" where you are using it.

The "use" keyword is either in front of a class definition to import other classes/interfaces/traits into it's own namespace, or it is inside the class (but not inside a method) to add traits to the class.

The use has to be outside of the function I presume you are calling it in. Something like this should work

<?php

use \Aws\Polly\PollyClient;

// some code

function myfunc() {
    require_once ('/polly/aws-autoloader.php');
    // rest of the code
}

It should be no problem that you require the autoloader after the use keyword. After all, it only expands PollyClient to \Aws\Polly\PollyClient when you use it in the code.

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