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Don’t use register_post_status before init. Register Post Status is a function used to create and modify post status based on given parameters. register_post_status() function is located in wp-includes/post.php It accepts following two parameters: $post_status means a string for the post status name $args means an array of arguments <?php register_post_status( $post_status, $args ); [...] PHP Array functions need no installation. These functions are the part of PHP core. array_change_key_case — It changes all keys in an array array_chunk — It split an array into chunks array_combine — It creates an array by using one array for keys and other for its values array_count_values — It counts all [...] This function allows you to print the contents of any variable, including a constructed object and an array. <?php $variable=”Hello World”; print_r($variable); $array=array(‘a’, ‘c’, ‘d’, ‘b’); print_r($array); ?> Returns Hello World Array ( [0] => a [1] => c [2] => d [3] => b ) You can also utilize this to print out all [...] The require_once() statement includes the specific file during the script executiont. This statement is similar to the require() statement, with the difference is that if the code from a file which is already included, will not be included again. require_once() is used in cases where the same file might be included and evaluated more than [...] If the error occurs, the require statement generates a fatal error and stops the script execution.For example: <html> <body> <?php require (“lamp.php”); /*Here the script will stop if the file given with the require statement in the above line doesn’t exists*/ echo (“This is lamp”); ?> </body> </html> The include statement allows you to include and attach other PHP scripts to your own script. You can think of it as a simply taking the included file and inserting them into your PHP file. For example: <?php function add ($x, $y) { return $x + $y; } ?> Using include function: <?php include (‘add.php’); [...] From one function we cannot access a variable defined in other function. Given example defines a variable in the script but the function will not take that during execution process. <?php // Function will not access this variable $num = 11; function number () { echo “The number is “.$num; } number (); ?> When [...] |
   
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