It can return the data as a string where seconds and microseconds are separated by a space or as a float. It also returns a UNIX timestamp but returned in microseconds. This function works just like the time() function. Developers use this function for other purposes. Note, that the time is indicated in seconds and for many cases, this precision is not enough. Just save the current time in the $start variable before your code, and calculate the difference after it: $start = time() If this precision is enough for you, use the time() function to measure execution time PHP. It returns the number of seconds since Janu00:00:00 GMT. PHP language has the time() function that allows getting the current timestamp in seconds. How to Measure Execution Time in Laravel.If you know the format used with the date string, then use the following code: (PHP version 5. If day of month is 12 or less, or year is entered as a two digit number and less than 31 or 12 then you may get the wrong time value. It's not easy to find in the documentation. This is the link to the relative formats that can be used in this function. Using this function for mathematical operations is not advisable. Infinite, as 64 bits can represent approximately 293 billion years in either The dates that correspond to the minimum and maximum values forįor 64-bit versions of PHP, the valid range of a timestamp is effectively The valid range of a timestamp is typically from Fri, 13 Decġ901 20:45:54 UTC to Tue, 03:14:07 UTC. See the notesīelow for possible differences on 32bit systems (possible dates might end on If the number of the year is specified in a two digit format, the valuesīetween 00-69 are mapped to 2000-2069 and 70-99 to 1970-1999. Strtotime('1 February') or strtotime('first day of February') (In a leap year, it would be 2 March.) Using Which will overflow into a timestamp on 3 March. If run on the 31st of May 2022, will be interpreted as 31 February 2022, Of the date/time stamp is not provided, it will be taken verbatim from "Relative" date in this case also means that if a particular component Getting Started Introduction A simple tutorial Language Reference Basic syntax Types Variables Constants Expressions Operators Control Structures Functions Classes and Objects Namespaces Enumerations Errors Exceptions Fibers Generators Attributes References Explained Predefined Variables Predefined Exceptions Predefined Interfaces and Classes Predefined Attributes Context options and parameters Supported Protocols and Wrappers Security Introduction General considerations Installed as CGI binary Installed as an Apache module Session Security Filesystem Security Database Security Error Reporting User Submitted Data Hiding PHP Keeping Current Features HTTP authentication with PHP Cookies Sessions Dealing with XForms Handling file uploads Using remote files Connection handling Persistent Database Connections Command line usage Garbage Collection DTrace Dynamic Tracing Function Reference Affecting PHP's Behaviour Audio Formats Manipulation Authentication Services Command Line Specific Extensions Compression and Archive Extensions Cryptography Extensions Database Extensions Date and Time Related Extensions File System Related Extensions Human Language and Character Encoding Support Image Processing and Generation Mail Related Extensions Mathematical Extensions Non-Text MIME Output Process Control Extensions Other Basic Extensions Other Services Search Engine Extensions Server Specific Extensions Session Extensions Text Processing Variable and Type Related Extensions Web Services Windows Only Extensions XML Manipulation GUI Extensions Keyboard Shortcuts ? This help j Next menu item k Previous menu item g p Previous man page g n Next man page G Scroll to bottom g g Scroll to top g h Goto homepage g s Goto search
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