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set to true if you want to return blob columns in a file, false if you want them in memory. you can override the setting at runtime with ifx_blobinfile_mode().
you can override the setting at runtime with ifx_blobinfile_mode().

if you want the user to be prompted to save the data you are sending, such as a generated pdf file, you can use the content-disposition header to supply a recommended filename and force the browser to display the save dialog.
if you want the user to be prompted to save the data you are sending, such as a generated pdf file, you can use the content-disposition header to supply a recommended filename and force the browser to display the save dialog.

you can use the optional second parameter and set it to "1", if you want to search for the file in the include_path, too.
see also fpassthru(), file(), fopen(), include(), require(), virtual() and appendix i.

set to true if you want to return null columns as the literal string "null", false if you want them returned as the empty string "". you can override this setting at runtime with ifx_nullformat().
you can override this setting at runtime with ifx_nullformat().

all these functions provide a handy abstraction to zend's internal hash api. of course, you can also use the hash functions directly - for example, if you already have a zval container allocated that you want to insert into an array. this is done using zend_hash_update()() for associative arrays (see 瞰赽 33-3) and zend_hash_index_update() for indexed arrays (see 瞰赽 33-4):
this is done using zend_hash_update( )() for associative arrays (see example 33-3) and zend_hash_index_update() for indexed arrays (see example 33-4):