micro optimization - php syntax for set variable by existing or new -


एक अन्य सूक्ष्म-अनुकूल प्रश्न जावास्क्रिप्ट मौजूदा या नए मान

var a = a में वैरिएबल सेट करने का सबसे अच्छा तरीका क्या है? झूठी

का उपयोग कर

$ a = $ a || झूठे;

हमें त्रुटि नोटिस मिलता है अनिवार्य चर $ a यह चर पिछले प्रोग्राम भाग में सेट हो सकता है या नहीं। (कारण प्लग-इन।) यह अतिरिक्त स्थिति से पहले किया जा सकता है। if isset (...

प्रश्न सुरुचिपूर्ण 1 पंक्ति समाधान मौजूद है?

$ a = जारी ($ a)? $ A: false

यह सबसे अच्छा तरीका है ऐसा चेतावनी के बिना करने के लिए

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