You can't optimize what you cannot measure - Lone Star PHP
Be smart, be fast with Web Debug Toolbar and Blackfire.io - Speaker Deck
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Measure execution time of PHP scripts | Qirolab
Freek Van der Herten 🔭 on Twitter: "🚀 Ray is here: a tool that helps you to debug faster. Think of it as something in between dump-die-debugging and Xdebug. Free demo: https://t.co/uXvHEIaSUq
Sands Of Time - stock vector | Crushpixel
How many pimps do people in a lifetime? Illustrated with this illustration - GIGAZINE
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de77.com - a few words about web development - de77.com
The Painting Process: Step 1: Measure the area
ASEMMeasurement - acontis Developer Center
😎 Tracy: the addictive tool to ease debugging PHP code for cool developers. Friendly design, logging, profiler, advanced features like debugging AJAX calls or CLI support. You will love it.