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<?php date_default_timezone_set('America/New_York'); $date = new DateTime(); echo json_encode($date,JSON_FORCE_OBJECT); var_dump(json_last_error(), json_last_error_msg()); function isSerializable( $var ) { try { serialize( $var ); return TRUE; } catch( Exception $e ) { return FALSE; } } var_dump( isSerializable( array() ) ); // bool(true) var_dump( isSerializable( function() {} ) ); // bool(false) var_dump( isSerializable( array( function() {} ) ) );
Output for git.master
{"date":"2014-06-19 23:13:57.003669","timezone_type":3,"timezone":"America\/New_York"}int(0) string(8) "No error" bool(true) bool(false) bool(false)
Output for git.master_jit
{"date":"2014-06-19 23:13:57.003771","timezone_type":3,"timezone":"America\/New_York"}int(0) string(8) "No error" bool(true) bool(false) bool(false)
Output for rfc.property-hooks
{"date":"2014-06-19 23:13:57.003621","timezone_type":3,"timezone":"America\/New_York"}int(0) string(8) "No error" bool(true) bool(false) bool(false)

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