codeigniter - correct way to use this function -

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मैंने इस फ़ंक्शन को 'is_post' इस वेबसाइट पर देखा है: 

 < कोड> वर्ग MY_Controller CI_Controller का विस्तार करता है {सार्वजनिक फ़ंक्शन is_post () {वापसी $ _SERVER ['REQUEST_METHOD'] == 'पोस्ट'? सही गलत; }}   
 क्या मैं इस फ़ंक्शन का उपयोग करने का सही तरीका जान सकता हूँ और कैसे? धन्यवाद। अपने मूल अभिभावक नियंत्रक का उपयोग करने के एक लाभ यह है कि आम जांच की जांच की जा सकती है केंद्रीय स्थिति में इसलिए जब आप एक नियंत्रक बना रहे हैं / परिभाषित कर रहे हैं, तो आप अपने खुद के नियंत्रक से वारिस प्राप्त कर सकते हैं, जैसे मूल वर्ग के तरीकों का इस्तेमाल करने के लिए:  
  वर्ग User_Controller My_Controller का विस्तार करता है {सार्वजनिक फ़ंक्शन लॉगिन () (यदि ($ यह- & gt; is_post ()) {// लॉग इन चेक करें और यदि सफल हो तो रीडायरेक्ट करें। } $ This- & gt; लोड- & gt; देखें ("लॉगिन"); }}

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