ConvertHelper

As the name implies, this class is used mainly for converting data of all kinds. However, it also has a number of useful utility functions.

Configuration

The ConvertHelper class is entirely static. It does not require any configuration.

Methods overview

String related methods

• explodeTrim: Explodes a string, trims the entries, and removes empty entries.
• findString: Slightly different strstr or stristr, which returns the matched strings.
• string2array: Splits a string into a characters array, unicode safe.
• string2attributeJS: Escapes a string to be inserted into a JavaScript statement in an HTML tag.
• string2bool: Converts a boolean string representation to a boolean value (yes/no/true/false...).
• string2bytes: Counts the amount of bytes a string uses, unicode safe.
• string2hash: Converts a string to a hash string (MD5).
• string2shortHash: Converts a string to a shorter hash (CRC32).
• string2utf8: Converts any string to valid UTF-8.
• stripControlCharacters: Strips all invisible control characters from a string.
• stripUTFBom: Strips a UTF Byte Order Mark from a string, if any.
• tabs2spaces: Converts all tabs to spaces in a string.
• text_cut: Cuts a string at the specified length.
• transliterate: Converts a string to a machine readable ASCII string.
• wordwrap: Word wraps a string to a specific line length.

Array conversion methods

• array2attributeString: Converts an associative array to an HTML attribute string.
• array2styleString: Converts an associative array to a CSS style string.
• implodeWithAnd: Implodes a list of strings with commas and "and" at the end, localized.

Date and time methods

• date2dayName: Converts a DateTime object to a localized day name.
• date2listLabel: Converts a DateTime object to a human readable string.
• date2timestamp: Converts a DateTime object to a timestamp.
• duration2string: Converts a timespan between two dates into a human readable string.
• getDayNames: Returns a list of localized day names (long or short).
• getDayNamesInvariant: Retrieves a list of english day names.
• interval2string: Converts a DateInterval object to a human readable string.
• interval2total: Calculates the total amount of days, hours, minutes or seconds in a DateInterval.
• month2string: Converts a month number to a localized month name.
• time2string: Converts seconds into a human readable duration string.
• timestamp2date: Converts a timestamp to a DateTime object.

Type checks

• areNumbersEqual: Checks if two numbers are equal.
• areStringsEqual: Checks if two strings are equal.
• areVariablesEqual: Checks if two variables are equal.
• isBoolean: Checks if the value can be considered boolean (string, numeric, etc).
• isStringASCII: Checks if the string is ASCII, i.e. contains no special or unicode characters.
• isStringHTML: Checks if the string contains HTML code.

Highlighting code

• highlight_php: Highlight a PHP string.
• highlight_sql: Highlight an SQL string.
• highlight_url: Highlight the logical parts of an URL.
• highlight_xml: Highlight an XML string.

Type conversions

• callback2string: Converts a callable value to a human readable string.
• bytes2string: Converts bytes to a human readable value.
• exception2info: Alias for throwable2Info().
• throwable2info: Converts a throwable object to a class with a handy API to retrieve info about it.