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Security
Introduction
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Installed as CGI binary
Installed as an Apache module
Session Security
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HTTP authentication with PHP
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Function Reference
Affecting PHP's Behaviour
Audio Formats Manipulation
Authentication Services
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Human Language and Character Encoding Support
Image Processing and Generation
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PHP Function List
is_
doesn't exist. Closest matches:
is_double
is_array
is_countable
is_resource
is_finite
is_int
is_file
is_string
is_uploaded_file
is_soap_fault
is_dir
is_real
is_object
is_float
is_writable
is_infinite
is_long
is_iterable
is_nan
is_link
is_callable
is_null
is_tainted
is_integer
is_numeric
is_writeable
is_readable
is_executable
is_subclass_of
is_scalar
