'10000100',
'merchant_key' => '46f0cd694581a',
...
];
function dataToString($dataArray) {
// Create parameter string
$pfOutput = '';
foreach( $dataArray as $key => $val ) {
if($val !== '') {
$pfOutput .= $key .'='. urlencode( trim( $val ) ) .'&';
}
}
// Remove last ampersand
return substr( $pfOutput, 0, -1 );
}
function generatePaymentIdentifier($pfParamString, $pfProxy = null) {
// Use cURL (if available)
if( in_array( 'curl', get_loaded_extensions(), true ) ) {
// Variable initialization
$url = 'https://www.payfast.co.za/onsite/process';
// Create default cURL object
$ch = curl_init();
// Set cURL options - Use curl_setopt for greater PHP compatibility
// Base settings
curl_setopt( $ch, CURLOPT_USERAGENT, NULL ); // Set user agent
curl_setopt( $ch, CURLOPT_RETURNTRANSFER, true ); // Return output as string rather than outputting it
curl_setopt( $ch, CURLOPT_HEADER, false ); // Don't include header in output
curl_setopt( $ch, CURLOPT_SSL_VERIFYHOST, 2 );
curl_setopt( $ch, CURLOPT_SSL_VERIFYPEER, true );
// Standard settings
curl_setopt( $ch, CURLOPT_URL, $url );
curl_setopt( $ch, CURLOPT_POST, true );
curl_setopt( $ch, CURLOPT_POSTFIELDS, $pfParamString );
if( !empty( $pfProxy ) )
curl_setopt( $ch, CURLOPT_PROXY, $pfProxy );
// Execute cURL
$response = curl_exec( $ch );
curl_close( $ch );
echo $response;
$rsp = json_decode($response, true);
if ($rsp['uuid']) {
return $rsp['uuid'];
}
}
return null;
}
// Generate signature (see Custom Integration -> Step 2)
$data["signature"] = generateSignature($data, $passPhrase);
// Convert the data array to a string
$pfParamString = dataToString($data);
// Generate payment identifier
$identifier = generatePaymentIdentifier($pfParamString);
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