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How can I convert a string to uppercase in PHP? Example code:
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$string = "Hello World"; echo strtoupper($string);
How can I use the strrev function to reverse a string in PHP? Example code:
How can I use the curl_init function to initialize a cURL session in PHP? Example code:
How can I use a for loop in PHP? Example code:
How can I check if a variable is set in PHP? Example code:
How can I send an email using PHP? Example code
How can I use the htmlspecialchars function to convert special characters to HTML entities in PHP? Example code:
How can I connect to a MySQL database using PHP? Example code.
How can I create a session variable in PHP? Example code
PHP Use Cases with Example Source Code
Get User IP Address using PHP – Source Code + Demo
How can I retrieve data from a MySQL database using PHP? Example code
How can I use a regular expression to replace a pattern in a string in PHP? Example code:
How can I generate a random number in PHP? Example code
How can I validate a form using PHP? Example code
How can I use the array_search function to search for a value in an array and return its key in PHP? Example code:
How can I check if a string contains a certain substring in PHP? Example code:
How can I convert a string to lowercase in PHP? Example code:
How can I use a conditional statement in PHP? Example code
How can I upload a file using PHP? Example code
How can I calculate the difference between two dates in PHP? Example code:
How can I trim whitespace from the beginning and end of a string in PHP? Example code:
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 array_walk function to apply a function to each element of an array in PHP? Example code:
How can I use a do-while loop in PHP? Example code:
How can I format a number with commas in PHP? Example code:
How can I sort an associative array by its keys in PHP? Example code:
How can I read data from a JSON file using PHP? Example code:
How can I create a file in PHP? Example code:
How can I use a while loop in PHP? Example code:
How can I redirect to another page in PHP? Example code: