php - Notice: Undefined offset: 1 in -

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  फ़ंक्शन मिल ($ a, $ b, $ c) {$ y = विस्फोट ($ b, $ a ); $ X = विस्फोट ($ c, $ y [1]); वापसी $ x [0]; }

त्रुटि देता है

नोटिस: अपरिभाषित ऑफ़सेट: 1 में

$ y [1] सेट नहीं है।

आपको इसे विस्फोट के माध्यम से चलाने से पहले एक मूल्य की जांच करने की आवश्यकता है । 

  $ y = विस्फोट ($ b, $ a); यदि (एसेट ($ y [1])) {$ x = विस्फोट ($ c, $ y [1]); वापसी (isset ($ x [0]))? $ X [0]: ''; } अन्य {वापसी ''; }

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