Category: PHP

preg_match() function preg_match function searches strings for patterns and it returns true when pattern is found and returns false if it doesn’t. Typically, search begins from the starting point of subject string. The parameter offset can be used to define the exact position from which to begin the search. Syntax: int preg_match( $pattern, $input, $matches, $flags, $offset… Continue reading PHP | preg_match() function

PHP isset () is used to determine whether a variable has set or not. In other words, the PHP isset() function checks whether a variable set with unset() function. If it isn’t NULL, it won’t be set. If the testing variable has a NULL value, it returns false. Syntax of PHP is set() bool Iset… Continue reading PHP is set() Function

An array contains multiple values in a single variable: Example The $cars array is an array(“Bolero”, “Alto”, “Safari”); echo “I like ” . $cars[0] . “, ” . $cars[1] . ” and ” . $cars[2] . “. “; ?> What is an Array in PHP? An array in PHP refers to a variable that holds… Continue reading Array in PHP

The foreach PHP construct is the most efficient method of iterating all elements of an array. It is a function that works with arrays and objects too. While the foreach loop is able to iterate through an array, its execution is streamlined and completes the loop faster relative to. This allocates memory to index iterations,… Continue reading PHP Foreach Loop

To find out an estimate of the string’s length within PHP you can make use of the strlen() function. The string is passed as an the argument for strlen() and the function returns an integer that represents the length of the string. Syntax: strlen($string) Parameters Strlen() function can only accept one parameter, $string, which is… Continue reading Get the length of a string in PHP by using strlen function