Solution for bin/plugin

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1 
X-Powered-By: PHP/4.4.9
Content-type: text/html
<br />
<b>Parse error</b>:  syntax error, unexpected T_STRING, expecting T_CONSTANT_ENCAPSED_STRING or '(' in <b>/xxx/xxx/xxx/xxx/bin/plugin</b> on line <b>9</b><br />

Get this error, any ideas?

2

In your command line you have PHP 4.4.9, which is old.

You need at least PHP 5.5.9. Ask your hosting provider how to update the CLI PHP version (which can be different than the one the webserver uses).