62 lines
1.2 KiB
PHP
62 lines
1.2 KiB
PHP
<?php
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echo "1. ";
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$float_var = 30.5;
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// In next line, round $float_var to the nearest integer and var_dump() it:
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$float_var = round($float_var);
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var_dump($float_var);
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echo '<br>';
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echo '2. ';
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$numeric_string = '12345';
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// In next line, inside if, check if $numeric_string is numeric:
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if (is_numeric($numeric_string)) {
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echo 'It is a number';
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} else {
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echo 'It not a number';
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}
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echo '<br>';
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echo '3. ';
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// Update the values of the below variables so the output is 1:
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$num1 = 1;
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$num2 = 0;
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echo $num1 <=> $num2;
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echo '<br>';
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echo '4. ';
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$total_amount = 12434.453978;
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// Using number_format() function, in next line, format $total_amount to 2 decimal places and var_dump() it:
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$total_amount = number_format($total_amount, 2);
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var_dump($total_amount);
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echo '<br>';
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echo '5. ';
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$index1 = 10;
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$index2 = 10;
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// For $index1 use increment operator before var(++$a) and var_dump() it:
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var_dump(++$index1);
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// For $index2 use increment operator after var($a++) and var_dump() it:
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var_dump($index2++);
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echo '<br>';
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echo '6. ';
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$int_ten = 10;
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$string_ten = '10';
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// In next line, compare $int_ten and $string_ten using the equality operator:
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if ($int_ten == $string_ten) {
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var_dump('Equal');
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} else {
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var_dump('Not Equal');
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}
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