Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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PHP
Create an associative array that has at least 10 keylelement pairs. а. b. Print out the array , printing out keys and values. d. Look at your array. Come up with some criterion about elements in your array, so that about half the elements meet the criterion and half don't. For example, if your elements are strings, your criterion might be (< "kangaroo"), or if your elements are numbers, your criterion might be (> 89)! Print out only those array elements that meet the criterion. Put the criterion in a php comment before the code so that I can see it! Sort the array (using a function call yourself!!!) Look up the sort function and the asort function in www.php.net. Print out the sorted array in table form, printing out keys and values. do not write the sorting code -- е. comman unset the fourth element in the sorted array (use the unset function, look it up on www.php.net) g. Print out the reverse sorted array in table form, printing out keys and values. Look up rsort and arsort on www.php.net h. Print out the array sorted by KEY value in table form, (look up other sort functions) printing out keys and values. use the array_rand function to print out 3 random elements of the array. Remember that every time you refresh your page, these will be different j. Add 5 new elements to the array and print them out again f. i.
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Transcribed Image Text:Create an associative array that has at least 10 keylelement pairs. а. b. Print out the array , printing out keys and values. d. Look at your array. Come up with some criterion about elements in your array, so that about half the elements meet the criterion and half don't. For example, if your elements are strings, your criterion might be (< "kangaroo"), or if your elements are numbers, your criterion might be (> 89)! Print out only those array elements that meet the criterion. Put the criterion in a php comment before the code so that I can see it! Sort the array (using a function call yourself!!!) Look up the sort function and the asort function in www.php.net. Print out the sorted array in table form, printing out keys and values. do not write the sorting code -- е. comman unset the fourth element in the sorted array (use the unset function, look it up on www.php.net) g. Print out the reverse sorted array in table form, printing out keys and values. Look up rsort and arsort on www.php.net h. Print out the array sorted by KEY value in table form, (look up other sort functions) printing out keys and values. use the array_rand function to print out 3 random elements of the array. Remember that every time you refresh your page, these will be different j. Add 5 new elements to the array and print them out again f. i.
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