php – Page 76 – Türker Yıldırım

One PSR-4 namespace can map to several directories

NoteApril 29, 20142 min read

A namespace is usually written as if it maps to exactly one directory, and Composer accepts an array of them instead. That turns out to be the thing…

Find the slowest PHP-FPM requests in the slow log

SnippetApril 10, 20141 min read

CURLFile replaced the @filename upload in 5.5

NoteApril 9, 20142 min read

For years the way to post a file with cURL was to put @/path/to/file in the fields array. The problem is that cURL applies that rule to every…

bcmath when the money arithmetic has to be exact

NoteApril 9, 20143 min read

A float cannot hold 0.07 exactly, so adding it a hundred times does not produce 7. This is invisible on a single line item and unavoidable on an…

natsort for the filenames that sorted in the wrong order

NoteApril 3, 20142 min read

A directory listing sorted with sort() puts report-10.csv before report-2.csv, because string comparison reads character by character and 1 is less than 2. Nobody reports this as a…

Convert a date string between two formats in PHP

SnippetApril 3, 20141 min read

Upgrading a PHP 5.3 application to 5.5

Deep diveApril 2, 201415 min read

5.3 stops getting security fixes in August. Deprecations first, then the behaviour changes, then the version bump — and an APC replacement that ignores every setting you tuned.

Provisioning a development box instead of installing one

Deep diveMarch 12, 201416 min read

Three developers, three PHP patch versions and a bug that existed on one of them. A Vagrantfile, a playbook for everything inside it, and what the rebuild costs.

Check whether a string starts with a prefix in PHP

SnippetFebruary 12, 20141 min read

Show the OPcache hit rate

SnippetFebruary 12, 20141 min read