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Returning JSON from a PHP Script

PHP array delete by value (not key)

How can I sanitize user input with PHP?

Get the first element of an array

How to get the client IP address in PHP

How do I get PHP errors to display?

How does PHP 'foreach' actually work?

How do you parse and process HTML/XML in PHP?

php xml

How do I check if a string contains a specific word?

php string contain

How can I prevent SQL injection in PHP?

php. sql injection

How to delete a newline if it is the last character in a file?

How to pass command-line arguments to a Perl program?

perl command line

How to efficiently calculate a running standard deviation

Howto use a variable in the replacement side of the Perl substitution operator?

How to summ quickly all numbers in a file?

How to remove duplicate items from an array in Perl?

How to differ of Two Arrays Using Perl

perl arrays

Howto output UTF-8 from Perl?

How to escape a forward slash in a regular expression

How to use CPAN as a non-root user?