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How can I use a ternary operator in PHP? Example code:
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$age = 30; echo ($age >= 18) ? "You are an adult" : "You are not an adult";
How can I use the htmlentities function to convert special characters to HTML entities in PHP? Example code:
How can I convert a string to uppercase in PHP? Example code:
How can I use the array_pop function to remove the last element from an array in PHP? Example code:
How can I send an email using PHP? Example code
How can I validate a form using PHP? Example code
How can I create a multidimensional array in PHP? Example code:
How can I check if a string ends with a certain substring in PHP? Example code:
How can I format a number with commas in PHP? Example code:
How can I use the rename function to rename a file or directory in PHP? Example code:
How can I use the filesize function to get the size of a file in PHP? Example code:
How can I use the array_splice function to remove and replace elements in an array in PHP? Example code:
How can I use the array_values function to get an array of values from an associative array in PHP? Example code:
How can I use a regular expression to replace a pattern in a string in PHP? Example code:
How can I use the array_merge function to merge two or more arrays in PHP? Example code:
How can I subtract days from a date in PHP? Example code:
How can I use the implode function to join an array into a string in PHP? Example code:
How can I use the str_replace function to replace multiple substrings in a string in PHP? Example code:
How can I use an if-else statement in PHP? Example code:
How can I use the array_keys function to get an array of keys from an associative array in PHP? Example code:
How can I sort an associative array by its keys in PHP? Example code:
How can I use a switch statement with multiple cases in PHP? Example code:
How can I generate a random string in PHP? Example code:
How can I use the is_readable function to check if a file is readable in PHP? Example code:
How can I check if a variable is set in PHP? Example code:
How can I use the array_slice function to get a portion of an array in PHP? Example code:
How can I prevent SQL injection in PHP?
How can I use the curl_exec function to execute a cURL session and get the response in PHP? Example code:
How can I use the fgetcsv function to read a CSV file into an array in PHP? Example code:
How can I use the array_map function to apply a function to each element of an array in PHP? Example code:
How can I use the json_decode function to convert a JSON string to an array or object in PHP? Example code: