The opposite of the explode () function is the implode () function Choice the choice that best completes the statement or answer the question. The PHP Group recommends you use the standard __ script delimiters to write PHP code declaration blocks. statements ?> ____are lines you place in your code that do not get executed but provide helpful information such as the name of the script, your name and the date your created the program Pointers Instructions Comments The print_r(), var_export(), and var_dump () functions are used with ___to display the index and value of each element. variables functions arrays A(n)____ operator is used in PHP to perform mathematical calculations. Math arithmetic calculation Assignment operators arc used to assign a ____ to a variable. Name value data type Logical operators are used for comparing two _________ operands for equality. Numeric Boolean string When you declare a global variable with the global keyword, you do not treed to assign the variable a(n) _____________. Value definition function name When one decision-making statement is contained within another decision-making statement it is referral to as a __________ decision-making structure. Enclosed contained nested layered A __________ statement is used to iterate or loop through the elements in an anray. For while foreach if ... else The concentration operator in PUP is a ____________. plus sign(+) period(.) minus sign(-) question mark (?)