How to execute an echo with Java script content before header in php -


इस सवाल का पहले से ही एक उत्तर है: < 11 उत्तरों

यह मेरा कोड है:

/ P> 

  ob_start (); गूंज "& lt; script type = 'text / javascript' & gt; चेतावनी ('गलत उपयोगकर्ता नाम या पासवर्ड कृपया पुनः प्रयास करें') & lt; / script & gt;"; हैडर ( "स्थान: http: //localhost/xampp/my_hospital/login.php"); ob_end_flush ();   
 यह कोड एक अलग फाइल में स्थित है जिसे login_check.php.I नामक एक पॉपअप को पॉप अप करना है और फिर इसे login.php पर पुनर्निर्देशित करना चाहिए। समस्या यह है कि चेतावनी नहीं दिखती है   
 
 
 यह प्रयास करें:  
  गूंज " & Lt; स्क्रिप्ट प्रकार = 'टेक्स्ट / जावास्क्रिप्ट' & gt; चेतावनी ('गलत उपयोगकर्ता नाम या पासवर्ड कृपया पुनः प्रयास करें'); स्थान = 'http: //localhost/xampp/my_hospital/login.php'; & lt; / script & gt; ";

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