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Diff two XML documents
XMLDiff\Memory
PHP Manual

XMLDiff\Memory::diff

(PECL xmldiff >= 0.8.0)

XMLDiff\Memory::diff — Diff two XML documents

Description

public string XMLDiff\Memory::diff ( string $from , string $to )

Diff two strings containing XML documents and produce the diff information.

Parameters

from

Source XML document.

to

Target XML document.

Return Values

String with the XML document containing the diff information or NULL.

XMLDiff\Memory
PHP Manual