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I have been using the PHP API with no problems for quite a while. All of a sudden, a client informs me he can't pay.
So on my site, where I have the "Pay with PayPal" button on the user-specific form, I click it and just get a blank screen instead of the expected PayPal one.
It's the "getApprovalLink()" which seems to not work.
Is this a PayPal site problem, or has the API been updated abruptly or something? Because nothing on my site has changed.
The culprit turns out to be that I updated my apache server but the 'php-curl' got removed somehow. Fixed, it's working....
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