Question:What is the best way to iterate and modify every element of an array using PHP 5? 

A You cannot modify an array during iteration 
B for($i = 0; $i < count($array); $i++) { /* ... */ } 
C foreach($array as $key => &$val) { /* ... */ } 
D foreach($array as $key => $val) { /* ... */ } 
E while(list($key, $val) = each($array)) { /* ... */ 

+ Answer
C 

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Mohammad Towhidul Islam

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