Parse error: syntax error, unexpected '[' in whatsapp api with php 5.3

Question

My script is working really fine on my xampp php version 5.6. Now I tried to upload it on the server php version 5.3.3 , it says

PHP Parse error:  syntax error, unexpected '['

The line which its mocking about is this one:

$this->pending_nodes[$number] = [];

The whole code block looks like this:

public function addPendingNode(ProtocolNode $node){
  $from = $node->getAttribute("from");
  if(strpos($from,Constants::WHATSAPP_SERVER) !== false)
    $number = ExtractNumber($node->getAttribute("from"));
  else
    $number = ExtractNumber($node->getAttribute("participant"));

  if(!isset($this->pending_nodes[$number]))
    $this->pending_nodes[$number] = [];

  $this->pending_nodes[$number][] = $node;
}

I am thankful for any help, I cannot seach [ with google and have no idea where it could come from, since on xampp its working fine.

@DanyalSandeelo what you suggested would cause a parse error. — Ash
– Ash, Commented Dec 22, 2015 at 8:49
@tontonlayxx I would suggest upgrading php to 5.6 - Given 5.3 and 5.4 are unsupported; 5.5 is deprecated: Supported Versions — Ash
– Ash, Commented Dec 22, 2015 at 8:52

Gordon · Accepted Answer · 2015-12-22 09:25:05Z

2

Short Array syntax was introduced in PHP 5.4 only.

Change

$this->pending_nodes[$number] = [];

to

$this->pending_nodes[$number] = array();

or upgrade to a PHP version that is not End of Life.

edited Dec 22, 2015 at 9:25

answered Dec 22, 2015 at 8:30

Gordon

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