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Writing a new line to file in PHP (line feed)

... Use PHP_EOL which outputs \r\n or \n depending on the OS. share | improve this answer | follow ...
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How to check if a string starts with a specified string? [duplicate]

...-thread cache of compiled regular expressions (up to 4096). http://www.php.net/manual/en/intro.pcre.php share | improve this answer | follow | ...
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How does RewriteBase work in .htaccess

...hs in the rule's target. So say you have this rule: RewriteRule ^foo$ bar.php [L] The bar.php is a relative path, as opposed to: RewriteRule ^foo$ /bar.php [L] where the /bar.php is an absolute path. The absolute path will always be the "root" (in the directory structure above). That means tha...
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How to validate an email address using a regular expression?

...e more sophisticated patterns in Perl and PCRE (regex library used e.g. in PHP) can correctly parse RFC 5322 without a hitch. Python and C# can do that too, but they use a different syntax from those first two. However, if you are forced to use one of the many less powerful pattern-matching language...
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Show a number to two decimal places

What's the correct way to round a PHP string to two decimal places? 24 Answers 24 ...
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What are differences between PECL and PEAR?

... PECL stands for PHP Extension Community Library, it has extensions written in C, that can be loaded into PHP to provide additional functionality. You need to have administrator rights, a C compiler and associated toolchain to install those e...
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What generates the “text file busy” message in Unix?

... If trying to build phpredis on a Linux box you might need to give it time to complete modifying the file permissions, with a sleep command, before running the file: chmod a+x /usr/bin/php/scripts/phpize \ && sleep 1 \ && /u...
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Convert from MySQL datetime to another format with PHP

...oking for a way to normalize a date into MySQL format, use the following $phpdate = strtotime( $mysqldate ); $mysqldate = date( 'Y-m-d H:i:s', $phpdate ); The line $phpdate = strtotime( $mysqldate ) accepts a string and performs a series of heuristics to turn that string into a unix timestamp. T...
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Pass a PHP string to a JavaScript variable (and escape newlines) [duplicate]

What is the easiest way to encode a PHP string for output to a JavaScript variable? 14 Answers ...
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Multi-line strings in PHP

... PHP has Heredoc and Nowdoc strings, which are the best way to handle multiline strings in PHP. http://php.net/manual/en/language.types.string.php#language.types.string.syntax.heredoc $str = <<<EOD Example of string...