Installing and configuring PHP String Functions
Requirements
PHP String functions do not require any external library files.
Installation
Since PHP String functions are part of the PHP core, they don't require any installation.
Runtime Configuration
You don't need to add any directive in php.ini for running PHP String functions.
Resource Types
PHP String functions have no defined resource types defined.
Predefined constants
In the following table, we have given a list of constants which are part of the PHP core.
| Constant's Name | Type |
|---|---|
| CRYPT_SALT_LENGTH | Integer |
| CRYPT_STD_DES | Integer |
| CRYPT_EXT_DES | Integer |
| CRYPT_MD5 | Integer |
| CRYPT_BLOWFISH | Integer |
| HTML_SPECIALCHARS | Integer |
| HTML_ENTITIES | Integer |
| ENT_COMPAT | Integer |
| ENT_QUOTES | Integer |
| ENT_NOQUOTES | Integer |
| CHAR_MAX | Integer |
| LC_CTYPE | Integer |
| LC_NUMERIC | Integer |
| LC_TIME | Integer |
| LC_COLLATE | Integer |
| LC_MONETARY | Integer |
| LC_ALL | Integer |
| LC_MESSAGES | Integer |
| STR_PAD_LEFT | Integer |
| STR_PAD_RIGHT | Integer |
| STR_PAD_BOTH | Integer |
See also
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