← All changes | vendor/wp-php-toolkit/reprint-server/src/class-resource-budget.php +55 -0 16.2-beta → 16.3-beta View file →

		@@ -1,0 +1,55 @@
	1	+<?php
	2	+
	3	+// Declared here rather than in export.php so it can live in this package's
	4	+// namespace. export.php is a global-namespace file of endpoint functions that
	5	+// callers reach by unqualified name.
	6	+
	7	+namespace WordPress\Reprint\Server;
	8	+
	9	+/**
	10	+ * Tracks time and memory limits for a single API request.
	11	+ *
	12	+ * Every export endpoint runs under resource constraints — a maximum
	13	+ * execution time and a memory ceiling. Rather than threading four
	14	+ * separate values through every function signature and every
	15	+ * should_continue() call, this class bundles them into a single
	16	+ * object with a simple has_remaining() check.
	17	+ */
	18	+class ResourceBudget
	19	+{
	20	+ /** @var float */
	21	+ public $start_time;
	22	+ /** @var int */
	23	+ public $max_time;
	24	+ /** @var int */
	25	+ public $max_memory;
	26	+ /** @var float */
	27	+ public $memory_threshold;
	28	+
	29	+ public function __construct(
	30	+ float $start_time,
	31	+ int $max_time,
	32	+ int $max_memory,
	33	+ float $memory_threshold
	34	+ ) {
	35	+ $this->start_time = $start_time;
	36	+ $this->max_time = $max_time;
	37	+ $this->max_memory = $max_memory;
	38	+ $this->memory_threshold = $memory_threshold;
	39	+ }
	40	+
	41	+ /** Returns false when the request should yield due to time or memory pressure. */
	42	+ public function has_remaining(): bool
	43	+ {
	44	+ if (microtime(true) - $this->start_time >= $this->max_time) {
	45	+ return false;
	46	+ }
	47	+
	48	+ $memory_used = memory_get_usage(true);
	49	+ if ($memory_used >= $this->max_memory * $this->memory_threshold) {
	50	+ return false;
	51	+ }
	52	+
	53	+ return true;
	54	+ }
	55	+}