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Getting Started: Introduction; A simple tutorial
Language Reference: Basic syntax; Types; Variables; Constants; Expressions; Operators; Control Structures; Functions; Classes and Objects; Namespaces; Enumerations; Errors; Exceptions; Fibers; Generators; Attributes; References Explained; Predefined Variables; Predefined Exceptions; Predefined Interfaces and Classes; Predefined Attributes; Context options and parameters; Supported Protocols and Wrappers

Security: Introduction; General considerations; Installed as CGI binary; Installed as an Apache module; Session Security; Filesystem Security; Database Security; Error Reporting; User Submitted Data; Hiding PHP; Keeping Current
Features: HTTP authentication with PHP; Cookies; Sessions; Handling file uploads; Using remote files; Connection handling; Persistent Database Connections; Command line usage; Garbage Collection; 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; Mathematical Extensions; Non-Text MIME Output; Process Control Extensions; Other Basic Extensions; Other Services; Search Engine Extensions; Server Specific Extensions; Session Extensions; Text Processing; Variable and Type Related Extensions; Web Services; Windows Only Extensions; XML Manipulation; GUI Extensions

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PHP Function List

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get_defined_functions
sodium_crypto_secretstream_xchacha20poly1305_init_pull
sodium_crypto_secretstream_xchacha20poly1305_init_push
sodium_crypto_secretstream_xchacha20poly1305_push
sodium_crypto_secretstream_xchacha20poly1305_pull
sodium_crypto_secretstream_xchacha20poly1305_rekey
sodium_crypto_secretstream_xchacha20poly1305_keygen
openssl_get_cert_locations
fann_set_cascade_weight_multiplier
oci_set_db_operation
odbc_field_precision
outofboundsexception
fann_set_sarprop_weight_decay_shift
cubrid_set_autocommit
oci_set_action
sapi_windows_set_ctrl_handler
fann_set_input_scaling_params
ocidefinebyname
ocinewdescriptor
ocinewcollection
socket_set_option
rnp_ffi_set_pass_provider
win32_send_custom_control
fdf_set_javascript_action
oci_define_by_name
register_shutdown_function
fann_get_cascade_weight_multiplier
eventhttpconnection
timezone_offset_get
cubrid_fetch_object

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