Command Line PHP script to fetch e-mail addresses for all tickets that containing a specific term.

zendesk-api.php

<?php
/**
 * Script Name: Zendesk API Command Line
 * Description: Run directly from the command line using "php -f zendesk-api.php $query".
 * Version: 1.0.0
 * Author: Devin Price
 */

// Credentials not stored in version control, request in order to run script
$id = 'user@example.com';
$pass = 'password';

// This is the query term passed to script
$query = $argv[1]; // i.e. "sale"

$url = 'https://branchbasics.zendesk.com/api/v2/search.json?query=' . $query;
$api = 'https://' . $id . ':' . $pass . '@example.zendesk.com/api/v2/search.json?query=' . $query;

echo "Fetching ZenDesk results from:\n";
echo $api . "\n";

// Get Tickets
function get_tickets( $url, $id, $pass ) {

	//  Initiate curl
	$ch = curl_init();

	// Set Auth
	curl_setopt( $ch, CURLOPT_USERPWD, $id . ":" . $pass );

	// Will return the response, if false it print the response
	curl_setopt( $ch, CURLOPT_RETURNTRANSFER, true );

	// Set the url
	curl_setopt( $ch, CURLOPT_URL, $url );

	// Execute
	$response = curl_exec( $ch );

	// Closing
	curl_close($ch);

	// Convert JSON to array
	$response = json_decode( $response, true );

	return $response;

}

// Gets emails
function get_emails( $response ) {

	$emails = array();

	if ( isset( $response['results'] ) ) :

		$tickets = $response['results'];

		foreach ( $tickets as $ticket ) {

			if ( isset( $ticket['via']['source']['from']['address'] ) ) {
				// echo $ticket['via']['source']['from']['address'] . "\n";
				$emails[] = $ticket['via']['source']['from']['address'];
			}

		}

	endif;

	return $emails;

}

// Get results
function get_results( $url, $id, $pass ) {

	$emails = array();

	while ( false != $url ) {

		$response = get_tickets( $url, $id, $pass );
		$new_emails = get_emails( $response );

		// Merge with any previous results
		$emails = array_merge( $emails, $new_emails );

		// We'll loop all pages are fetched
		if ( isset( $response['next_page'] ) ) {
			echo "Fetching next page of results.\n";
			$url = $response['next_page'];
		} else {
			$url = false;
		}

	}

	// Return all fetched emails
	return $emails;

}

$results = get_results( $url, $id, $pass );

// Sort the results
$results = array_unique( $results );

echo "\n";

// Output results
foreach( $results as $email ) {
	echo $email . "\n";
}