PHP String functions

The PHP addcslashes() function returns a string with backslashes before the characters that are listed in the characters parameter.

The PHP addslashes() function returns a string with backslashes before characters that need to be escaped.

The PHP explode() function splits a string into an array using a specified delimiter.

The PHP htmlentities() function converts all applicable characters to HTML entities.

The PHP htmlspecialchars() function converts special characters to HTML entities.

The PHP implode() function joins array elements into a string using a specified separator.

The PHP lcfirst() function makes the first character of a string lowercase.

The PHP ltrim() function removes whitespace or specified characters from the beginning of a string.

The PHP nl2br() function inserts HTML line breaks before all newlines in a string.

The PHP rtrim() function removes whitespace or specified characters from the end of a string.

The PHP str_contains() function checks if a string contains a given substring.

The PHP str_ends_with() function checks if a string ends with a given substring.

The PHP str_replace() function replaces all occurrences of a search string with a replacement string.

The PHP str_starts_with() function checks if a string starts with a given substring.

The PHP strcmp() function compares two strings in a case-sensitive manner.

The PHP strip_tags() function removes HTML and PHP tags from a string.

The PHP strlen() function returns the length of a string.

The PHP strncmp() function compares the first N characters of two strings.

The PHP strpos() function is used to find the position of the first occurrence of a substring within a string.

The PHP strrpos() function finds the position of the last occurrence of a substring within a string.

The PHP strtolower() function converts a string to lowercase.

The PHP strtoupper() function converts a string to uppercase.

The PHP substr() function returns a portion of a string.

The PHP trim() function removes whitespace (or other predefined characters) from the beginning and end of a string.

The PHP ucfirst() function makes the first character of a string uppercase.

The PHP ucwords() function capitalizes the first character of each word in a string.

The PHP wordwrap() function wraps a string to a given number of characters.