Libraries tagged by sampling

A sampling profiler or a memory profiler for PHP written in PHP, which reads information about running PHP VM from outside of the process.

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Flame graphs and log processing for PHP stack traces.

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Downsampling algorithms

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A customizable Intervention Image wrapper to use image simple re-sampling features over urls and a configurable cache.

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A sampling profiler or a memory profiler for PHP written in PHP, which reads information about running PHP VM from outside of the process.

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Library for generating a weighted random sample

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Lightweight PHP micro-library for probabilistic and deterministic code execution — feature flags, A/B testing, gradual rollouts and sampling.

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Production-safe N+1 query detector for Laravel with sampling, fingerprinting, and alerting.

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Sampling Library

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Library for generating a weighted random sample

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Fast PHP file hashing library using intelligent sampling. Reads only selected portions of large binary files instead of full content, dramatically reducing I/O overhead. Automatically falls back to full-file hashing for text files. Deterministic, non-cryptographic, optimized for change detection.

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bin/altair profile — framework-native sampling profiler. Answers "where does my code spend time?" via excimer (or xdebug) sampling, builds a weighted call tree + hotspot table + flamegraph SVG, and diffs two profiles to flag regressions. Deterministic JSON for agents and CI.

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Rule-based generation of fixture databases by sampling operational databases. Forked from maple-syrup-group/dbsampler

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Weighted random sampling for PHP 8.2+. Supports repeatable draws (WeightedPool) and box-gacha limited inventory (BoxPool) with alias-method O(1) picking and cryptographically secure randomness by default.

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