Do you think the quotes are the problem? If so, you can try formatting it like this:
$json = '{"input1":"0", "input2":"1", ...' In PHP you can nest "" inside '' without having to escape the characters. Dave From: Nadeem Anjum [mailto:nadeem.cs....@gmail.com] Sent: Thursday, June 12, 2014 11:59 AM To: dev@airavata.apache.org Subject: Re: [GSoC] Passing a json string as input to an applciation in PHP-SDK Correction: $json has value: "{\"input1\":\"0\",\"input2\":\"1\",\"input3\":\"on\",\"_logon\":\"\",\"_project\":\"\",\"_uuid\":\"c9894860-f236-11e3-8708-19a98ecc24ae\",\"_base_directory\":\"/var/www/html/nadeemtest/results/5399ad3f791f5\",\"_udphost\":null,\"_udpport\":37779,\"resourcedefault\":\"local\"}" On Thu, Jun 12, 2014 at 5:57 PM, Nadeem Anjum <nadeem.cs....@gmail.com<mailto:nadeem.cs....@gmail.com>> wrote: Hello Everyone, I have registered an application (A Genapp Module) which takes a json string as input. I am using PHP client samples', createExperiment Method I use the follopwing code: $input->value = $json; where $json has value "{\"input1\\":\\"0\\",\\"input2\\":\\"1\\",\\"input3\\":\\"on\\",\\"_logon\\":\\"\\",\\"_project\\":\\"\\",\\"_uuid\\":\\"c9894860-f236-11e3-8708-19a98ecc24ae\\",\\"_base_directory\\":\\"/var/www/html/nadeemtest/results/5399ad3f791f5\\",\\"_udphost\\":null,\\"_udpport\\":37779,\\"resourcedefault\\":\\"local\\"}"; However, the in response received, $input->value gets changed to "{"input1":"0","input2":"1","input3":"on","_logon":"","_project":"","_uuid":"c9894860-f236-11e3-8708-19a98ecc24ae","_base_directory":"/var/www/html/nadeemtest/results/5399ad3f791f5","_udphost":null,"_udpport":37779,"resourcedefault":"local"}" which being malformed, does not give me the expected output. The response is given below: object(Airavata\Model\Workspace\Experiment\Experiment)#12 (18) { ["experimentID"]=> string(21) "DO_NOT_SET_AT_CLIENTS" ["projectID"]=> string(42) "align_16b50043-1f92-491a-a276-d658e8b2018b" ["creationTime"]=> NULL ["userName"]=> string(6) "nadeem" ["name"]=> string(4) "exp1" ["description"]=> NULL ["applicationId"]=> string(5) "align" ["applicationVersion"]=> NULL ["workflowTemplateId"]=> NULL ["workflowTemplateVersion"]=> NULL ["userConfigurationData"]=> NULL ["workflowExecutionInstanceId"]=> NULL ["experimentInputs"]=> array(1) { [0]=> object(Airavata\Model\Workspace\Experiment\DataObjectType)#9 (4) { ["key"]=> string(3) "inp" ["value"]=> string(240) "{"input1":"0","input2":"1","input3":"on","_logon":"","_project":"","_uuid":"c9894860-f236-11e3-8708-19a98ecc24ae","_base_directory":"/var/www/html/nadeemtest/results/5399ad3f791f5","_udphost":null,"_udpport":37779,"resourcedefault":"local"}" ["type"]=> int(0) ["metaData"]=> NULL } } ["experimentOutputs"]=> array(1) { [0]=> object(Airavata\Model\Workspace\Experiment\DataObjectType)#11 (4) { ["key"]=> string(3) "out" ["value"]=> string(0) "" ["type"]=> int(0) ["metaData"]=> NULL } } ["experimentStatus"]=> NULL ["stateChangeList"]=> NULL ["workflowNodeDetailsList"]=> NULL ["errors"]=> NULL } Any ideas on how to deal with this situation will be appreciated. Thanks, Nadeem