Formaldehyde: PHP debug info for the client side

Formaldehyde: PHP debug info for the client side: "

Andrea Giammarchi has released Formaldehyde, a new Ajax and PHP error debugger.

Simply grab the project and throw in an inclusion:

PLAIN TEXT

PHP:

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   <?php require_once 'formaldehyde.php'; ?>
   
   


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You are off to the races.

Want to do a touch more?

PLAIN TEXT

JAVASCRIPT:

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   // *optional* custom ServerError constructor
   
   


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   function ServerError(e){
   
   


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   for(var key in e)
   
   


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   this[key] = e[key]
   
   


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   ;
   
   


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   };
   
   


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   // make Firebug the best friend ever
   
   


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   (ServerError.prototype = new Error).name = 'ServerError';
   
   


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    // same call
    
    


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    var xhr = new XMLHttpRequest;
    
    


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    xhr.open('get', 'test.php', true);
    
    


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    xhr.onreadystatechange = function(){
    
    


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    if(xhr.readyState === 4){
    
    


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    if(199 <xhr.status && xhr.status <400){
    
    


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    // do something without failures
    
    


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    eval(xhr.responseText);
    
    


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    }
    
    


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    // if Formaldehyde managed the call
    
    


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    else if(xhr.status === 500 && xhr.getResponseHeader('X-Formaldehyde') != null) {
    
    


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    // evaluate safely the response
    
    


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    // generating a proper error
    
    


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    console.log(new ServerError(eval('(' + xhr.responseText + ')')));
    
    


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    } else {
    
    


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    // 404 or other cases
    
    


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    console.log(new Error(xhr.responseText));
    
    


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    }
    
    


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    }
    
    


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    };
    
    


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    xhr.send(null);
    
    


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We have known about the great FirePHP for quite some time, but this is different as explained. Check it out!

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