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118 lines
3.5 KiB
PHP
118 lines
3.5 KiB
PHP
<?php
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namespace Amp\Internal;
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/**
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* Formats a stacktrace obtained via `debug_backtrace()`.
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*
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* @param array<array{file?: string, line: int, type?: string, class: string, function: string}> $trace Output of
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* `debug_backtrace()`.
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*
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* @return string Formatted stacktrace.
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*
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* @codeCoverageIgnore
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* @internal
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*/
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function formatStacktrace(array $trace): string
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{
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return \implode("\n", \array_map(static function ($e, $i) {
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$line = "#{$i} ";
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if (isset($e["file"])) {
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$line .= "{$e['file']}:{$e['line']} ";
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}
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if (isset($e["type"])) {
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$line .= $e["class"] . $e["type"];
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}
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return $line . $e["function"] . "()";
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}, $trace, \array_keys($trace)));
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}
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/**
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* Creates a `TypeError` with a standardized error message.
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*
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* @param string[] $expected Expected types.
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* @param mixed $given Given value.
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*
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* @return \TypeError
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*
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* @internal
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*/
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function createTypeError(array $expected, $given): \TypeError
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{
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$givenType = \is_object($given) ? \sprintf("instance of %s", \get_class($given)) : \gettype($given);
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if (\count($expected) === 1) {
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$expectedType = "Expected the following type: " . \array_pop($expected);
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} else {
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$expectedType = "Expected one of the following types: " . \implode(", ", $expected);
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}
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return new \TypeError("{$expectedType}; {$givenType} given");
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}
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/**
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* Returns the current time relative to an arbitrary point in time.
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*
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* @return int Time in milliseconds.
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*/
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function getCurrentTime(): int
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{
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/** @var int|null $startTime */
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static $startTime;
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/** @var int|null $nextWarning */
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static $nextWarning;
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if (\PHP_INT_SIZE === 4) {
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// @codeCoverageIgnoreStart
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if ($startTime === null) {
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$startTime = \PHP_VERSION_ID >= 70300 ? \hrtime(false)[0] : \time();
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$nextWarning = \PHP_INT_MAX - 86400 * 7;
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}
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if (\PHP_VERSION_ID >= 70300) {
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list($seconds, $nanoseconds) = \hrtime(false);
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$seconds -= $startTime;
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if ($seconds >= $nextWarning) {
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$timeToOverflow = (\PHP_INT_MAX - $seconds * 1000) / 1000;
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\trigger_error(
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"getCurrentTime() will overflow in $timeToOverflow seconds, please restart the process before that. " .
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"You're using a 32 bit version of PHP, so time will overflow about every 24 days. Regular restarts are required.",
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\E_USER_WARNING
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);
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/** @psalm-suppress PossiblyNullOperand */
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$nextWarning += 600; // every 10 minutes
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}
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return (int) ($seconds * 1000 + $nanoseconds / 1000000);
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}
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$seconds = \microtime(true) - $startTime;
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if ($seconds >= $nextWarning) {
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$timeToOverflow = (\PHP_INT_MAX - $seconds * 1000) / 1000;
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\trigger_error(
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"getCurrentTime() will overflow in $timeToOverflow seconds, please restart the process before that. " .
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"You're using a 32 bit version of PHP, so time will overflow about every 24 days. Regular restarts are required.",
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\E_USER_WARNING
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);
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/** @psalm-suppress PossiblyNullOperand */
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$nextWarning += 600; // every 10 minutes
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}
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return (int) ($seconds * 1000);
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// @codeCoverageIgnoreEnd
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}
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if (\PHP_VERSION_ID >= 70300) {
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list($seconds, $nanoseconds) = \hrtime(false);
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return (int) ($seconds * 1000 + $nanoseconds / 1000000);
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}
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return (int) (\microtime(true) * 1000);
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}
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