_name == '') ? $redText : ''; ?>
Here is what the above code is Doing:
1. It’s checking to see if the $_POST[‘name’] variable is empty.
2. If it is, it’s setting the $redText variable to the HTML code for a red asterisk.
3. It’s then using the $redText variable in the HTML code for the form.
The result is that if the user doesn’t enter a name, the form will be redisplayed with a red asterisk next to the name field.
The code for the email field is similar:
sudo apt update sudo apt install php php-cli php-fpm php-json php-pdo php-mysql php-zip php-gd php-mbstring php-curl php-xml php-pear php-bcmath Here is what the above code is Doing: 1. Update the package list 2. Install PHP and some common PHP modules
function process(…$vals) { // do some processing } Here is what the above code is Doing: 1. The function is defined with a parameter $vals. 2. The parameter is prefixed with three dots, …, which is how you indicate a variadic function in PHP. 3. The function body can now use $vals as if it…
$no_exists_value = get_option( ‘no_exists_value’ ); var_dump( $no_exists_value ); /* outputs false */ $no_exists_value = get_option( ‘no_exists_value’, ‘default_value’ ); var_dump( $no_exists_value ); /* outputs ‘default_value’ */ Here is what the above code is Doing: 1. We’re using the get_option() function to retrieve the value of the ‘my_option’ option. 2. We’re using the get_option() function to…
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Here is what the above code is Doing: 1. First, we check if $a is bigger than $b. If it is, we print out “a is bigger than b”. 2. If $a is not bigger than $b, we check if $a is equal to $b. If it is, we print out “a is equal to…