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D:\AppServ\php5>php -help
Usage: php [options] [-f] <file> [--] [args...]
php [options] -r <code> [--] [args...]Ö±½ÓÖ´ÐдúÂë
php [options] [-B <begin_code>] -R <code> [-E <end_code>] [--]
[args...]
php [options] [-B <begin_code>] -F <file> [-E <end_code>] [--]
[args...]
php [options] -- [args...]
php [options] -a
-a Run interactively½»»¥ÔËÐÐ
-c <path>|<file> Look for php.ini file in this directoryÔÚÕâ¸öĿ¼Ѱ
ÕÒphp.iniÎļþ
-n No php.ini file will be used²»Ê¹ÓÃphp.iniÎļþ
-d foo[=bar] Define INI entry foo with value 'bar'
-e Generate extended information for debugger/profiler
-f <file> Parse and execute <file>.
-h This help
-i PHP informationÀàËÆphpinfo()º¯Êý
-l Syntax check only (lint)
-m Show compiled in modules
-r <code> Run PHP <code> with
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<?php
$txt1 = "Hello";
$txt2 = "PHP";
echo $txt1." ".$txt2;
?>
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<?php
$txt1 = "Abc";
echo strlen($txt1);
......
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<form id="textarea_test" action="textarea.php" method="post">
<textarea cols="50" rows="5" name="aa" id="abc" >
<?php
$str = $_POST['aa'];
//var_dump($str);
//$str = "chenjinle le";
$array = explode("\n", trim($ ......