Manuel PHP
json_last_error
(PHP 5 >= 5.3.0)
json_last_error — Returns the last error occured
Description
int json_last_error
( void
)
Returns the last error (if any) occured by last JSON parsing.
Liste de paramètres
Cette fonction ne contient aucun paramètre.
Valeurs de retour
Returns an integer, the value can be one of the following constants:
| Constant | Meaning |
|---|---|
| JSON_ERROR_NONE | No error has occured |
| JSON_ERROR_DEPTH | The maximum stack depth has been exceeded |
| JSON_ERROR_CTRL_CHAR | Control character error, possibly incorrectly encoded |
| JSON_ERROR_SYNTAX | Syntax error |
Exemples
Exemple #1 json_last_error() example
- <?php
- // A valid json string
- $json[] = '{"Organization": "PHP Documentation Team"}';
- // An invalid json string which will cause an syntax
- // error, in this case we used ' instead of " for quotation
- $json[] = "{'Organization': 'PHP Documentation Team'}";
- foreach($json as $string)
- {
- echo 'Decoding: ' . $string;
- json_decode($string);
- switch(json_last_error())
- {
- case JSON_ERROR_DEPTH:
- echo ' - Maximum stack depth exceeded';
- break;
- case JSON_ERROR_CTRL_CHAR:
- echo ' - Unxpected control character found';
- break;
- case JSON_ERROR_SYNTAX:
- echo ' - Syntax error, malformed JSON';
- break;
- case JSON_ERROR_NONE:
- echo ' - No errors';
- break;
- }
- echo PHP_EOL;
- }
- ?>
L'exemple ci-dessus va afficher :
Decoding: {"Organization": "PHP Documentation Team"} - No errors
Decoding: {'Organization': 'PHP Documentation Team'} - Syntax error, malformed JSON
Remonter 
