Additionally, PHP provides built-in debug_backtrace and debug_print_backtrace functions to capture the stack trace up until the point those functions are called. When an exception is thrown, the exception object also contains the stack trace up to the point the exception is thrown. More seriously: sleep state means that MySQL process has done with its query, but the client-side did not yet exit. Without sleep one becames anxious and insomnia can lead to all kinds of serious symptoms. You need to pass in an input promise that represents a pending operation. 4 Answers Sorted by: 33 Even the most powerful ones of us need to sleep sometimes. First day of week is driven by the locale.
PHP SLEEP PARAMETER HAS TO BE LONG CODE
Obtaining a stack trace does not halt the program, and there are many use cases where stack traces are captured and logged silently for inspection without halting the application. As of PHP 5.6+ you can also import each required function into your code like. Set the day (keeping the current time) to the start of the week + the number of days passed as the first parameter. Stack tracing is commonly used when debugging an application, because it allows tracing back the functions/methods that lead to the point the stack trace is performed.Įach frame of a stack trace contains the function name and parameters. On Windows, this value will always be 192 (the value of the WAITIOCOMPLETION constant within the Windows API). If the call was interrupted by a signal, sleep () returns a non-zero value. PHP, just like other programming languages, supports tracing the call stack at any point of the program. seconds Halt time in seconds (must be greater than or equal to 0 ).
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