php lab 4

2026-01-30 14:06:19 -05:00
parent cbb48145e8
commit 28c5b4d01f
3 changed files with 61 additions and 0 deletions
@@ -0,0 +1,61 @@
+<?php
+
+echo "1. ";
+$float_var = 30.5;
+// In next line, round $float_var to the nearest integer and var_dump() it:
+$float_var = round($float_var);
+var_dump($float_var);
+
+echo '<br>';
+
+echo '2. ';
+$numeric_string = '12345';
+// In next line, inside if, check if $numeric_string is numeric:
+if (is_numeric($numeric_string)) {
+    echo 'It is a number';
+} else {
+    echo 'It not a number';
+}
+echo '<br>';
+
+
+echo '3. ';
+// Update the values of the below variables so the output is 1:
+$num1 = 1;
+$num2 = 0;
+
+echo $num1 <=> $num2;
+echo '<br>';
+
+
+echo '4. ';
+$total_amount = 12434.453978;
+// Using number_format() function, in next line, format $total_amount to 2 decimal places and var_dump() it:
+$total_amount = number_format($total_amount, 2);
+var_dump($total_amount);
+
+echo '<br>';
+
+
+echo '5. ';
+$index1 = 10;
+$index2 = 10;
+// For $index1 use increment operator before var(++$a) and var_dump() it:
+var_dump(++$index1);
+// For $index2 use increment operator after var($a++) and var_dump() it:
+var_dump($index2++);
+
+
+echo '<br>';
+
+
+echo '6. ';
+$int_ten = 10;
+$string_ten = '10';
+
+// In next line, compare $int_ten and $string_ten using the equality operator:
+if ($int_ten == $string_ten) {
+    var_dump('Equal');
+} else {
+    var_dump('Not Equal');
+}