Index SYMBOL


[SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [K] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] [X] [Y] [Z]

! (exclamation point)
    != (inequality) operator 
    !== (not identical) operator 
    type specification modifier 
" (quotes, double)
    double-quoted strings
        escape sequences in 
        variable interpolation in 
    HTML entity for 
    in heredocs 
    in SQL queries 
    in string literals 
# (hash marks) in comments 
$ (dollar sign)
    in regular expressions  2nd  3rd  4th 
    in variable names  2nd 
$_COOKIE array 
$_FILES array 
    accessing form parameters 
$_GET array  2nd 
    accessing form parameters 
$_POST array 
    accessing form parameters 
$_SERVER array 
    HTTP request headers, entries for 
$db->query( ) method 
$GLOBALS array 
$HTTP_COOKIE_VARS array 
$HTTP_ENV_VARS array 
$HTTP_POST_FILES array 
$HTTP_POST_VARS array 
$HTTP_RAW_POST_DATA variable 
$HTTP_SERVER_VARS array 
$HTTP_SESSION_VARS array 
$PHP_SELF variable (current script name) 
% (percent sign)
    % (modulus) operator 
    %= (modulus assignment) operator 
    in format string to printf( ) 
& (ampersand)
    & (bitwise AND) operator 
    &= (bitwise AND assignment) operator 
    converting to HTML entity 
    indicating passing by reference 
> (angle bracket, right)
    > (greater than) operator
        in string comparisons 
    >> (right shift) operator 
    >= (greater than or equal to) operator 
        in string comparisons 
    converting to HTML entity 
    greater than operator 
< > (angle brackets)
    (inequality) operator 
    as pattern delimiters 
< (angle bracket, left)
    < (less than) operator 
        in string comparisons 
    << (left shift) operator 
    <<< (heredoc identifier) 
    <= (less than or equal to) operator 
        in string comparisons 
    converting to HTML entity 
<?php ?> tags (for PHP code) 
<br /> tag, inserting before all newline characters 
<script> tags, enclosing PHP code in 
' (quotes, single)
    HTML entity for 
    in heredocs 
    in SQL queries 
    in string literals 
        escape sequences in 
    single-quoted strings 
( ) (parentheses)
    as pattern delimiters 
    grouping operands for precedence 
    grouping patterns in regular expressions 
        non-capturing groups 
(float) casting operator 
(int) casting operator 
(object) casting operator 
(string) casting operator 
* (asterisk)
    * (multiplication) operator 
    *= (multiplication assignment) operator 
    in greedy and non-greedy quantifiers 
+ (plus sign)
    + (addition) operator 
    + (arithmetic assertion) operator 
    ++ (autoincrement) operator 
    += (addition assignment) operator 
    in greedy and non-greedy quantifiers 
    printing positive numbers with 
    spaces, encoding in URLs  2nd 
, (comma)
    ASCII value for 
    two or more, skipping array values in list( ) 
- (hyphen)
    -> construct, accessing properties and methods  2nd 
    defining character range in regular expressions 
    inline pattern matching options, turning off 
- (minus sign)
    - (arithmetic negation) operator 
    - (subtraction) operator 
    -- (autodecrement) operator 
    -= (subtraction assignment) operator 
    for right-justified strings 
. (dot)
    . (string concatenation) operator 
    .+ (concatenation assignment) operator 
    in cookie names, decoding 
    in HTML field names, converting for PHP variables 
    single-character matches in regular expressions 
    wildcard match character 
/ (slash)
    / (division) operator 
    /* */, in multiline C-style comments 
    //, in C++-style comments 
    /= (division assignment) operator 
    type specification modifier 
; (semicolon)
    after terminating heredoc identifier 
    before PHP closing tag 
    in PHP statements 
= (equal sign)
    => symbol, separating array indexes from values 
= (equals sign)
    = (assignment) operator 
    == (equal to) operator  2nd 
        comparing strings with 
    === (identity) operator 
        comparing strings with 
        testing return value for failure 
? (question mark)
    ?\: (conditional) operator  2nd 
    in non-greedy quantifiers 
    placeholder in database queries 
    replacing characters outside target encoding 
@ (at sign), error suppression operator 
[ ] (brackets)
    [[\:>\:]] end of word anchor in regular expressions 
    as pattern delimiters 
    in regular expression character classes 
[] (brackets), [[\:<\:]] start of word anchor in regular expressions 
\ (backslash)
    escaping
        in lookbehind pattern assertions 
        in single-quoted strings 
        regular expression metacharacters 
    in SQL queries 
    removing from escaped strings 
\: (colon), ending if line 
\A (beginning of string) anchor, Perl regular expressions 
\B (non-word boundary), Perl regular expressions 
\b (word boundary), Perl regular expressions 
\n (newlines)
    end of string matching in regular expressions 
    in heredocs 
\Z and \z (end of string) anchors, Perl regular expressions 
^ (caret)
    ^ (bitwise XOR) operator 
    ^= (bitwise XOR assignment) operator 
    negating regular expression character classes 
    start of line anchor, Perl regular expressions 
    start of string anchor in regular expressions  2nd 
_ (underscore)
    _ _ , method names beginning with 
    converting dots (.) in cookie names to 
    converting dots (.) in HTML field names to 
` (backtick) operator 
    security risks of 
{ } (curly braces)
    {{{ and }}} sequences in comments 
    as pattern delimiters 
    enclosing array lookup in 
    in code blocks  2nd 
    variable interpolation in strings 
| (vertical bar)
    | (bitwise OR) operator 
    |= (bitwise OR assignment) operator 
    alternatives, in regular expressions 
    type specification modifier 
~ (tilde), bitwise negation operator 
24-bit color 



Programming PHP
Programming PHP
ISBN: 1565926102
EAN: 2147483647
Year: 2007
Pages: 168

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