[lp_client_isAJAX]

Description

This tag will return true when the header "X-Requested-With: XMLHttpRequest" is found.  The header is added by jQuery, Prototype and possibly other JavaScript libraries.  Note that this header is easily spoofed.

Sample Usage

lp_client_isAJAX; // that's it!

Source Code

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[

define_tag: 'lp_client_isAJAX',
	-description='Returns true if client is an AJAX (XHR) request.',
	-priority='replace';

	// looks for header "X-Requested-With: XMLHttpRequest" added by jQuery and Prototype (and others?)
	// note, can be easily spoofed!

	if: (string_findregexp: client_headers, -find='X-Requested-With:\\s+XMLHttpRequest', -ignorecase)->size;
		return: true;
	/if;
	return: false;

/define_tag;

]

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