Excel
Reading Excel Files in PHP With PhpSpreadsheet Efficiently
Read and write Excel in PHP with PhpSpreadsheet: load sheets, typed cells and dates, read filters and chunks for memory, exports and formula injection.
7 min read
Tag
php
5 posts
JSON
Reading JSON in PHP With json decode and Throw on Error
json_decode in PHP 8.5 returns null on bad input unless you throw. Arrays or objects, big integers, depth 512, flags and the list versus object trap.
6 min read
XML
Reading XML in PHP With SimpleXML and DOMDocument Safely
Read XML in PHP 8.5 with SimpleXML, DOMXPath and XMLReader, avoid the boolean cast trap, handle namespaces and read parse errors with libxml_get_errors.
6 min read
CSV
Reading a CSV File in PHP With fgetcsv and SplFileObject
Read CSV in PHP 8.5 with fgetcsv and SplFileObject: the $escape deprecation, a backslash that swallows the file, str_getcsv traps and the BOM.
10 min read
XML
Safe XML Handling in PHP and Node for Untrusted Input
Parse untrusted XML in PHP 8.5 and Node 24: why LIBXML_NOENT is the dangerous flag, what DOMDocument does, and how two Node parsers behave.
6 min read