Esempi
Using ArangoDB with PHP
Coding with a NoSQL data base like ArangoDB can be made more complicated then need be. A simple solution to code for ArangoDB is to use the REST interface directly.
All you need is a few initialization variables and a small function to ease the typing - and of cause install the php5-curls module...
See ArangoDB REST API documentation for options and request types.
<?php
// Initialize options for REST interface
$adb_url="http://127.0.0.1:8529";
$adb_option_defaults = array(
CURLOPT_HEADER => false,
CURLOPT_RETURNTRANSFER => true,
CURLOPT_TIMEOUT => 2
);
// ArangoDB REST function.
// Connection are created demand and closed by PHP on exit.
function adb_rest($method,$uri,$querry=NULL,$json=NULL,$options=NULL){
global $adb_url,$adb_handle,$adb_option_defaults;
// Connect
if(!isset($adb_handle)) $adb_handle = curl_init();
echo "DB operation: $method $uri $querry $json\n";
// Compose querry
$options = array(
CURLOPT_URL => $adb_url.$uri."?".$querry,
CURLOPT_CUSTOMREQUEST => $method, // GET POST PUT PATCH DELETE HEAD OPTIONS
CURLOPT_POSTFIELDS => $json,
);
curl_setopt_array($adb_handle,($options + $adb_option_defaults));
// send request and wait for responce
$responce = json_decode(curl_exec($adb_handle),true);
echo "Responce from DB: \n";
print_r($responce);
return($responce);
}
?>
Here's some examples:
<?php
// Create a collection
$responce = adb_rest("POST","/_api/collection","",'{"name" : "test"}');
// Create a document
$responce = adb_rest("POST","/_api/document","collection=test",'{ "hello" : "World" }');
// List documents in a collection
$responce=adb_rest("GET","/_api/document","collection=test");
// Change document
$document_handle=$responce['documents'][0];
$responce=adb_rest("PATCH",$document_handle,"",'{ "hello" : "World of mine" }');
// Show document
$responce=adb_rest("GET",$document_handle);
// Search
$responce=adb_rest("POST","/_api/cursor","",'{
"query" : "FOR t IN test RETURN t",
"count" : true,
"batchSize" : 50
}');
while($responce['hasMore'])
$responce=adb_rest("PUT","/_api/cursor/".$responce['id']);
// Delete document
$responce=adb_rest("DELETE",$document_handle);
// DB Delete collection
$responce=adb_rest("DELETE","/_api/collection/test");
// to handle errors, add something like this:
if($responce['error']) die ("can't create collection");
?>
Basic curl example
Una volta che hai compilato PHP con il supporto cURL, puoi iniziare ad usare le funzioni cURL. L'idea di base dietro le funzioni cURL รจ inizializzare una funzione curl utilizzando curl_init(), settarne le opzioni per il trasferimento usando curl_setopt(), successivamente eseguirla con curl_exec() e terminare la session tramite curl_close(). Ecco un esempio che usa le funzioni cURL per scaricare l'homepage di example.com e memorizzarla in un file:
Example #1 Utilizzo del modulo cURL di PHP per scaricare l'homepage di example.com
<?php
$ch = curl_init("http://www.example.com/");
$fp = fopen("example_homepage.txt", "w");
curl_setopt($ch, CURLOPT_FILE, $fp);
curl_setopt($ch, CURLOPT_HEADER, 0);
curl_exec($ch);
curl_close($ch);
fclose($fp);
?>
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User Contributed Notes
Basic curl example - [1 notes]
simon dot riget at gmail dot com ¶
24 days ago