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Package string-diffs
Short Description Locates and highlights differences between two strings
License MIT
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Informations about the package string-diffs
String difference calculator
This package compares two strings and highlights any text that has been removed or inserted.
Basic usage
To generate a "diff" between two strings you need to create an instance of the Calculator and provide it with a stylist - a class that deals with styling the removed and inserted text in order to highlight it to the end-user.
The example below is designed to output diffs to a console/terminal. See Styling output for information on how to change the output style.
Styling output
The removed and inserted text in a diff is styled before being returned in order to highlight the differences to the end-user.
You will need to choose the relevant "stylist" class to match the environment where you will be displaying the diff.
Outputting to a console/terminal
When printing a diff to a console you can use the ConsoleStylist which uses ANSI escape sequences to colour the removed and inserted text.
By default removed text is output as white on red and inserted text white on green. Colours can be configured by passing custom values to the constructor of the class.
Basic usage
Usage with custom colours
The package makes use of the bramus/ansi-php package to colour the text and expects its constants to set colours.
NOTE the difference between foreground and background constants - COLOR_FG_WHITE vs COLOR_BG_WHITE; "FG" (foreground) and "BG" (background)
Outputting to HTML
When printing a diff to a browesr you can use the HtmlStylist which wraps removed an inserted text in HTML elements with class applied.
By default text is wrapped in a SPAN and removed text has a class of removed-text applied and inserted text inserted-text. The HTML element to wrap text and the two classes can be configured by passing custom values to the constructor of the class.
