Built in functions – PHP

PHP has a vast library of built-in functions that can perform a wide range of tasks, from manipulating strings and arrays to interacting with databases and processing images. Some of the commonly used PHP built-in functions include:

String functions: PHP offers numerous functions to work with strings, including functions for concatenating, searching, replacing, and formatting strings.
Array functions: PHP provides various functions for working with arrays, such as functions for adding or removing elements, sorting, searching, and manipulating array data.
File functions: PHP offers functions to handle file I/O operations, including reading, writing, deleting, and modifying files and directories.
Database functions: PHP has functions to interact with various databases, including functions for connecting to databases, querying data, and modifying database records.
Date and Time functions: PHP has a range of functions for working with date and time data, including functions to format dates and times, calculate time differences, and perform time-related calculations.

These are just a few examples of the many built-in functions available in PHP. Knowing and utilizing these functions can help developers write code more efficiently and effectively.