<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <title>New Functions</title> </head> <body><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="migration53.parameters.html">New Parameters</a></div> <div class="next" style="text-align: right; float: right;"><a href="migration53.new-stream-wrappers.html">New stream wrappers</a></div> <div class="up"><a href="migration53.html">Migrating from PHP 5.2.x to PHP 5.3.x</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div><hr /><div id="migration53.functions" class="section"> <h2 class="title">New Functions</h2> <p class="simpara"> PHP 5.3 introduced some new functions: </p> <p class="simpara">PHP Core:</p> <ul class="itemizedlist"> <li class="listitem"> <span class="simpara"> <span class="function"><a href="function.array-replace.html" class="function">array_replace()</a></span> - Replaces elements from passed arrays into one array. </span> </li> <li class="listitem"> <span class="simpara"> <span class="function"><a href="function.array-replace-recursive.html" class="function">array_replace_recursive()</a></span> - Recursively replaces elements from passed arrays into one array. </span> </li> <li class="listitem"> <span class="simpara"> <span class="function"><a href="function.class-alias.html" class="function">class_alias()</a></span> - Creates an alias for a user defined class. </span> </li> <li class="listitem"> <span class="simpara"> <span class="function"><a href="function.forward-static-call.html" class="function">forward_static_call()</a></span> - Call a user function from a method context. </span> </li> <li class="listitem"> <span class="simpara"> <span class="function"><a href="function.forward-static-call-array.html" class="function">forward_static_call_array()</a></span> - Call a user function from a method context, with the arguments contained in an array. </span> </li> <li class="listitem"> <span class="simpara"> <span class="function"><a href="function.gc-collect-cycles.html" class="function">gc_collect_cycles()</a></span> - Forces collection of any existing garbage cycles. </span> </li> <li class="listitem"> <span class="simpara"> <span class="function"><a href="function.gc-disable.html" class="function">gc_disable()</a></span> - Deactivates the circular reference collector. </span> </li> <li class="listitem"> <span class="simpara"> <span class="function"><a href="function.gc-enable.html" class="function">gc_enable()</a></span> - Activates the circular reference collector. </span> </li> <li class="listitem"> <span class="simpara"> <span class="function"><a href="function.gc-enabled.html" class="function">gc_enabled()</a></span> - Returns the status of the circular reference collector. </span> </li> <li class="listitem"> <span class="simpara"> <span class="function"><a href="function.get-called-class.html" class="function">get_called_class()</a></span> - Return the name of the class a static method is called in. </span> </li> <li class="listitem"> <span class="simpara"> <span class="function"><a href="function.gethostname.html" class="function">gethostname()</a></span> - Return the current host name for the local machine. </span> </li> <li class="listitem"> <span class="simpara"> <span class="function"><a href="function.header-remove.html" class="function">header_remove()</a></span> - Removes an HTTP header previously set using the <span class="function"><a href="function.header.html" class="function">header()</a></span> function. </span> </li> <li class="listitem"> <span class="simpara"> <span class="function"><a href="function.lcfirst.html" class="function">lcfirst()</a></span> - Make a string's first character lowercase. </span> </li> <li class="listitem"> <span class="simpara"> <span class="function"><a href="function.parse-ini-string.html" class="function">parse_ini_string()</a></span> - Parse a configuration string. </span> </li> <li class="listitem"> <span class="simpara"> <span class="function"><a href="function.quoted-printable-encode.html" class="function">quoted_printable_encode()</a></span> - Convert an 8 bit string to a quoted-printable string. </span> </li> <li class="listitem"> <span class="simpara"> <span class="function"><a href="function.str-getcsv.html" class="function">str_getcsv()</a></span> - Parse a CSV string into an array. </span> </li> <li class="listitem"> <span class="simpara"> <span class="function"><a href="function.stream-context-set-default.html" class="function">stream_context_set_default()</a></span> - Set the default stream context. </span> </li> <li class="listitem"> <span class="simpara"> <span class="function"><a href="function.stream-supports-lock.html" class="function">stream_supports_lock()</a></span> - Return <strong><code>TRUE</code></strong> if the stream supports locking. </span> </li> <li class="listitem"> <span class="simpara"> <span class="function"><a href="function.stream-context-get-params.html" class="function">stream_context_get_params()</a></span> - Retrieve parameters from a stream context. </span> </li> <li class="listitem"> <span class="simpara"> <span class="function"><a href="streamwrapper.stream-cast.html" class="function">streamWrapper::stream_cast()</a></span> - Retrieve the underlying stream resource. </span> </li> <li class="listitem"> <span class="simpara"> <span class="function"><a href="streamwrapper.stream-set-option.html" class="function">streamWrapper::stream_set_option()</a></span> - Change stream options </span> </li> </ul> <p class="simpara"><a href="book.datetime.html" class="link">Date/Time</a>:</p> <ul class="itemizedlist"> <li class="listitem"> <span class="simpara"> <span class="function"><a href="function.date-add.html" class="function">date_add()</a></span> - Adds an amount of days, months, years, hours, minutes and seconds to a <a href="class.datetime.html" class="classname">DateTime</a> object. </span> </li> <li class="listitem"> <span class="simpara"> <span class="function"><a href="function.date-create-from-format.html" class="function">date_create_from_format()</a></span> - Returns a new <a href="class.datetime.html" class="classname">DateTime</a> object formatted according to the given format. </span> </li> <li class="listitem"> <span class="simpara"> <span class="function"><a href="function.date-diff.html" class="function">date_diff()</a></span> - Returns the difference between two <a href="class.datetime.html" class="classname">DateTime</a> objects. </span> </li> <li class="listitem"> <span class="simpara"> <span class="function"><a href="function.date-get-last-errors.html" class="function">date_get_last_errors()</a></span> - Returns the warnings and errors from the last date/time operation. </span> </li> <li class="listitem"> <span class="simpara"> <span class="function"><a href="function.date-parse-from-format.html" class="function">date_parse_from_format()</a></span> - Get information about a given date. </span> </li> <li class="listitem"> <span class="simpara"> <span class="function"><a href="function.date-sub.html" class="function">date_sub()</a></span> - Subtracts an amount of days, months, years, hours, minutes and seconds from a <a href="class.datetime.html" class="classname">DateTime</a> object. </span> </li> <li class="listitem"> <span class="simpara"> <span class="function"><a href="function.timezone-version-get.html" class="function">timezone_version_get()</a></span> - Returns the version of the timezonedb. </span> </li> </ul> <p class="simpara"><a href="book.gmp.html" class="link">GMP</a>:</p> <ul class="itemizedlist"> <li class="listitem"> <span class="simpara"> <span class="function"><a href="function.gmp-testbit.html" class="function">gmp_testbit()</a></span> - Tests whether a bit is set. </span> </li> </ul> <p class="simpara"><a href="book.hash.html" class="link">Hash</a>:</p> <ul class="itemizedlist"> <li class="listitem"> <span class="simpara"> <span class="function"><a href="function.hash-copy.html" class="function">hash_copy()</a></span> - Copy hashing context. </span> </li> </ul> <p class="simpara"><a href="book.imap.html" class="link">IMAP</a>:</p> <ul class="itemizedlist"> <li class="listitem"> <span class="simpara"> <span class="function"><a href="function.imap-gc.html" class="function">imap_gc()</a></span> - Clears IMAP cache. </span> </li> <li class="listitem"> <span class="simpara"> <span class="function"><a href="function.imap-utf8-to-mutf7.html" class="function">imap_utf8_to_mutf7()</a></span> - Encode a UTF-8 string to modified UTF-7. </span> </li> <li class="listitem"> <span class="simpara"> <span class="function"><a href="function.imap-mutf7-to-utf8.html" class="function">imap_mutf7_to_utf8()</a></span> - Decode a modified UTF-7 string to UTF-8. </span> </li> </ul> <p class="simpara"><a href="book.json.html" class="link">JSON</a>:</p> <ul class="itemizedlist"> <li class="listitem"> <span class="simpara"> <span class="function"><a href="function.json-last-error.html" class="function">json_last_error()</a></span> - Returns the last JSON error that occurred. </span> </li> </ul> <p class="simpara"><a href="book.mysqli.html" class="link">MySQL Improved</a>:</p> <ul class="itemizedlist"> <li class="listitem"> <span class="simpara"> <span class="function"><a href="mysqli-result.fetch-all.html" class="function">mysqli_fetch_all()</a></span> - Fetches all result rows as an associative array, a numeric array, or both. </span> </li> <li class="listitem"> <span class="simpara"> <span class="function"><a href="mysqli.get-connection-stats.html" class="function">mysqli_get_connection_stats()</a></span> - Returns statistics about the client connection. </span> </li> <li class="listitem"> <span class="simpara"> <span class="function"><a href="mysqli.poll.html" class="function">mysqli_poll()</a></span> - Poll connections. </span> </li> <li class="listitem"> <span class="simpara"> <span class="function"><a href="mysqli.reap-async-query.html" class="function">mysqli_reap_async_query()</a></span> - Get result from async query. </span> </li> </ul> <p class="simpara"><a href="book.openssl.html" class="link">OpenSSL</a>:</p> <ul class="itemizedlist"> <li class="listitem"> <span class="simpara"> <span class="function"><a href="function.openssl-random-pseudo-bytes.html" class="function">openssl_random_pseudo_bytes()</a></span> - Returns a string of the given length specified, filled with pseudo-random bytes. </span> </li> </ul> <p class="simpara"><a href="book.pcntl.html" class="link">PCNTL</a>:</p> <ul class="itemizedlist"> <li class="listitem"> <span class="simpara"> <span class="function"><a href="function.pcntl-signal-dispatch.html" class="function">pcntl_signal_dispatch()</a></span> - Calls signal handlers for pending signals. </span> </li> <li class="listitem"> <span class="simpara"> <span class="function"><a href="function.pcntl-sigprocmask.html" class="function">pcntl_sigprocmask()</a></span> - Sets and retrieves blocked signals. </span> </li> <li class="listitem"> <span class="simpara"> <span class="function"><a href="function.pcntl-sigtimedwait.html" class="function">pcntl_sigtimedwait()</a></span> - Wait for signals with a timeout. </span> </li> <li class="listitem"> <span class="simpara"> <span class="function"><a href="function.pcntl-sigwaitinfo.html" class="function">pcntl_sigwaitinfo()</a></span> - Wait for signals. </span> </li> </ul> <p class="simpara"><a href="book.pcre.html" class="link">PCRE</a>:</p> <ul class="itemizedlist"> <li class="listitem"> <span class="simpara"> <span class="function"><a href="function.preg-filter.html" class="function">preg_filter()</a></span> - Perform a regular expression search and replace, returning only results which matched the pattern. </span> </li> </ul> <p class="simpara"><a href="book.sem.html" class="link">Semaphore</a>:</p> <ul class="itemizedlist"> <li class="listitem"> <span class="simpara"> <span class="function"><a href="function.msg-queue-exists.html" class="function">msg_queue_exists()</a></span> - Check whether a message queue exists. </span> </li> <li class="listitem"> <span class="simpara"> <span class="function"><a href="function.shm-has-var.html" class="function">shm_has_var()</a></span> - Checks whether a specific key exists inside a shared memory segment. </span> </li> </ul> <p class="simpara"> The following functions are now natively implemented, making them available on all operating systems which can run PHP: </p> <ul class="itemizedlist"> <li class="listitem"> <span class="simpara"> <span class="function"><a href="function.acosh.html" class="function">acosh()</a></span> </span> </li> <li class="listitem"> <span class="simpara"> <span class="function"><a href="function.asinh.html" class="function">asinh()</a></span> </span> </li> <li class="listitem"> <span class="simpara"> <span class="function"><a href="function.atanh.html" class="function">atanh()</a></span> </span> </li> <li class="listitem"> <span class="simpara"> <span class="function"><a href="function.expm1.html" class="function">expm1()</a></span> </span> </li> <li class="listitem"> <span class="simpara"> <span class="function"><a href="function.log1p.html" class="function">log1p()</a></span> </span> </li> </ul> </div><hr /><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="migration53.parameters.html">New Parameters</a></div> <div class="next" style="text-align: right; float: right;"><a href="migration53.new-stream-wrappers.html">New stream wrappers</a></div> <div class="up"><a href="migration53.html">Migrating from PHP 5.2.x to PHP 5.3.x</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div></body></html>