How do I make a string all lowercase in PHP?
The strtolower() function converts a string to lowercase. Note: This function is binary-safe. Related functions: strtoupper() – converts a string to uppercase.
Is Lower Case PHP?
PHP | strtolower() Function
The strtolower() function is used to convert a string into lowercase. This function takes a string as parameter and converts all the uppercase english alphabets present in the string to lowercase. All other numeric characters or special characters in the string remains unchanged.
How do I use Strtolower?
strtolower() – It converts a string into uppercase. lcfirst() – It converts the first character of a string into lowercase. ucfirst() – It converts the first character of a string into uppercase. ucwords() – It converts the first character of each word in a string into uppercase.
What is Ucwords PHP?
The ucwords() function converts the first character of each word in a string to uppercase. Note: This function is binary-safe. Related functions: ucfirst() – converts the first character of a string to uppercase. lcfirst() – converts the first character of a string to lowercase.
How do you lowercase in MySQL?
MySQL LOWER() Function
The LOWER() function converts a string to lower-case. Note: The LCASE() function is equal to the LOWER() function.
How do you capitalize all letters in PHP?
The strtoupper() function converts a string to uppercase. Note: This function is binary-safe. Related functions: strtolower() – converts a string to lowercase.
Is a string PHP?
Definition and Usage. The is_string() function checks whether a variable is of type string or not. This function returns true (1) if the variable is of type string, otherwise it returns false/nothing.
What is Ucfirst PHP?
The ucfirst() function converts the first character of a string to uppercase. Related functions: lcfirst() – converts the first character of a string to lowercase. ucwords() – converts the first character of each word in a string to uppercase. strtoupper() – converts a string to uppercase.
What’s the difference between Htmlentities () and htmlspecialchars ()?
Difference between htmlentities() and htmlspecialchars() function: The only difference between these function is that htmlspecialchars() function convert the special characters to HTML entities whereas htmlentities() function convert all applicable characters to HTML entities.
What is Strrev PHP?
The strrev() function reverses a string.
How do I change case sensitive in MySQL?
Consequently, the case sensitivity of the underlying operating system plays a part in the case sensitivity of database and table names. One can configure how tables names are stored on the disk using the system variable lower_case_table_names (in the my. cnf configuration file under [mysqld]). Read the section: 10.2.
Can MySQL be case sensitive?
Table names are stored in lowercase on disk and name comparisons are not case-sensitive. MySQL converts all table names to lowercase on storage and lookup. This behavior also applies to database names and table aliases.
How can I use camel case in PHP?
function dashToCamelCase($string, $capitalizeFirstCharacter = false) { $str = str_replace(‘-‘, ”, ucwords($string, ‘-‘)); if (! $capitalizeFirstCharacter) { $str = lcfirst($str); } return $str; echo dashToCamelCase(‘this-is-a-test-string’); The ‘lcfirst’ function needs to be used instead of ‘strtolower’.
What is Strupr?
The strupr( ) function is used to converts a given string to uppercase. Syntax: char *strupr(char *str); Parameter: str: This represents the given string which we want to convert into uppercase.
How do I code a string in PHP?
A string is a sequence of letters, numbers, special characters and arithmetic values or combination of all. The simplest way to create a string is to enclose the string literal (i.e. string characters) in single quotation marks (‘), like this: $my_string = ‘Hello World’; You can also use double quotation marks (“).
Why echo is used in PHP?
They are both used to output data to the screen. The differences are small: echo has no return value while print has a return value of 1 so it can be used in expressions. echo can take multiple parameters (although such usage is rare) while print can take one argument. echo is marginally faster than print .
How do I allow special characters in PHP?
Tip: To convert special HTML entities back to characters, use the htmlspecialchars_decode() function.
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Definition and Usage
- & (ampersand) becomes &
- ” (double quote) becomes "
- ‘ (single quote) becomes '
- < (less than) becomes <
- > (greater than) becomes >
What is HTML entities () function?
htmlentities() Function: The htmlentities() function is an inbuilt function in PHP that is used to transform all characters which are applicable to HTML entities. This function converts all characters that are applicable to HTML entities. Syntax: string htmlentities( $string, $flags, $encoding, $double_encode )
What is bin2hex?
The bin2hex() function converts a string of ASCII characters to hexadecimal values. The string can be converted back using the pack() function.
Why is MySQL case sensitive?
MySQL converts all table names to lowercase on storage and lookup. This behavior also applies to database names and table aliases. Table and database names are stored on disk using the lettercase specified in the CREATE TABLE or CREATE DATABASE statement, but MySQL converts them to lowercase on lookup.
How do you LowerCase in MySQL?
How do I select case sensitive in SQL?
SQL Server is, by default, case insensitive; however, it is possible to create a case-sensitive SQL Server database and even to make specific table columns case sensitive. The way to determine if a database or database object is to check its “COLLATION” property and look for “CI” or “CS” in the result.
What is camel case letters?
What is CamelCase? CamelCase is a way to separate the words in a phrase by making the first letter of each word capitalized and not using spaces. It is commonly used in web URLs, programming and computer naming conventions. It is named after camels because the capital letters resemble the humps on a camel’s back.
What is use of Strlwr () and Strupr () functions?
The strlwr function converts all characters in a given string to lowercase, whereas the strupr function converts all characters to uppercase.
What does Strupr return?
The strupr(string) function returns string characters in uppercase.