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Predefined Variables
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Security
Introduction
General considerations
Installed as CGI binary
Installed as an Apache module
Session Security
Filesystem Security
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HTTP authentication with PHP
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Handling file uploads
Using remote files
Connection handling
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Command line usage
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DTrace Dynamic Tracing
Function Reference
Affecting PHP's Behaviour
Audio Formats Manipulation
Authentication Services
Command Line Specific Extensions
Compression and Archive Extensions
Cryptography Extensions
Database Extensions
Date and Time Related Extensions
File System Related Extensions
Human Language and Character Encoding Support
Image Processing and Generation
Mail Related Extensions
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Non-Text MIME Output
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PHP Function List
concurrency
doesn't exist. Closest matches:
current
yar_concurrent_client
closure
openal_context_current
reflectionreference
rarentry
iconv_strlen
ocinewcursor
convert_uuencode
count
urlencode
ldap_count_references
gnupg_encrypt
commonmark_render
ui_controls_entry
curl_exec
domentityreference
cubrid_current_oid
mcrypt_encrypt
oci_new_cursor
jdtofrench
luaclosure
curl_reset
curl_errno
pg_connect
apcu_entry
eio_nready
mb_decode_numericentity
octdec
mb_convert_encoding
