Index: Symbols & Numbers
Symbols & Numbers
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Symbols
- & (ampersand)
- & (logical AND) operator: 8.16.3. Discussion
- argument separator for URLs: 8.9.3. Discussion
- before function name, returning values by reference: 6.7.2. Solution
- before function parameter names, passing parameters by reference: 6.4.2. Solution
- converting to HTML entity: 8.9.3. Discussion
- 9.9.3. Discussion
- 11.10.2. Solution
- placeholder in database queries: 10.8.3. Discussion
- < > (angle brackets)
- >& (redirection) operator: 18.24.3. Discussion
- < and >, converting to HTML entities: 8.9.3. Discussion
- 9.9.3. Discussion
- 11.10.2. Solution
- <? and ?>, PHP start and end tags: 18.14.3. Discussion
- programming conventions in this book: 0.4.1. Programming Conventions
- <<< in heredocs: 1.1. Introduction
- 1.8.3. Discussion
- * (asterisk)
- regular expression metacharacter: 13.1. Introduction
- SQL and shell globbing wildcard: 10.10.3. Discussion
- @ (at sign) in PHPDoc commands: 21.9.2. Solution
- /(backslash)
- double-quoted string escape sequence: 1.1. Introduction
- escaping for SQL: 10.1. Introduction
- escaping regular expression pattern delimiters: 13.2.3. Discussion
- escaping SQL and shell globbing wildcards: 10.10.3. Discussion
- pathname separator on Windows: 18.1. Introduction
- 19.5.3. Discussion
- { } (braces)
- array elements, resolving ambiguity about: 5.5.3. Discussion
- dereferencing objects: 12.5.3. Discussion
- in double-quoted strings: 1.1. Introduction
- empty set: 4.25.3. Discussion
- expressions between, evaluation in PHP: 5.5.3. Discussion
- in variable interpolation: 17.4.3. Discussion
- [ ] (brackets)
- character classes in regular expressions: 13.1. Introduction
- in double-quoted strings: 1.1. Introduction
- variables, treating as arrays: 9.11.2. Solution
- ` (backtick) operator: 18.23.2. Solution
- using with ls (Unix) or dir (Windows): 19.9.3. Discussion
- ^ (caret)
- beginning of line anchor for patterns: 13.1. Introduction
- inverting character class: 13.1. Introduction
- :: (colon) operator, accessing class methods or member variables: 7.1. Introduction
- , (comma)
- array elements, separating: 4.10.1. Problem
- data separated by, parsing: 1.10.1. Problem
- $ (dollar sign)
- $_ in superglobal array names: 9.1. Introduction
- in double-quoted strings: 1.1. Introduction
- end of line anchor for patterns: 13.1. Introduction
- . (dot)
- . (current directory) and .. (parent directory): 19.8.3. Discussion
- in HTML field name, converting to PHP variable: 9.10.1. Problem
- recreating full filename from parts: 19.5.3. Discussion
- regular expression metacharacter: 13.1. Introduction
- string concatenation operator: 1.8.2. Solution
- = (equal sign)
- = (assignment) operator, == vs.: 5.2.1. Problem
- == (equality) operator: 4.12.3. Discussion
- === (identity) operator: 5.2.3. Discussion
- =& (assignment) operator: 6.7.2. Solution
- 7.6.2. Solution
- => operator
- instructing arrays to use different index: 4.2.2. Solution
- specifying key/value pairs for arrays: 4.1. Introduction
- | for alternation in pattern matching: 13.1. Introduction
- -> operator, accessing methods or member variables: 7.1. Introduction
- #! (hash-bang) syntax, PHP scripts beginning with: 20.1. Introduction
- ~ (logical NOT): 8.16.3. Discussion
- !== (nonidentity) operator: 4.13.3. Discussion
- 19.8.3. Discussion
- ( ) (parentheses)
- embedding comments in email addresses: 13.6.3. Discussion
- grouping characters and capturing in patterns: 13.1. Introduction
- % (percent sign)
- SQL wildcard character: 10.10.3. Discussion
- strftime( ), formatting characters preceded by: 3.5.3. Discussion
- + (plus sign)
- + operator, merging arrays: 4.8.3. Discussion
- regular expression metacharacter: 13.1. Introduction
- ? (question mark)
- ?: (ternary) operator: 5.3.2. Solution
- after quantifiers, for nongreedy matching: 13.5.2. Solution
- placeholder in database queries: 10.8.3. Discussion
- regular expression metacharacter: 13.1. Introduction
- " (quotes, double)
- converting to HTML entities: 8.9.3. Discussion
- 9.9.3. Discussion
- 11.10.2. Solution
- in double-quoted strings: 1.1. Introduction
- escaping for SQL: 10.1. Introduction
- escaping in queried data: 10.10.2. Solution
- in strings: 1.1. Introduction
- variable interpolation in a double-quoted string: 17.4.3. Discussion
- ' (quotes, single)
- escaping for SQL: 10.1. Introduction
- in command-line arguments: 18.21.3. Discussion
- in function return values: 6.10.3. Discussion
- marking strings in queried data: 10.10.2. Solution
- in strings: 1.1. Introduction
- ; (semicolon)
- argument separator for URLs: 8.9.3. Discussion
- end of statement character: 1.1. Introduction
- / (slash)
- /** and */ in PHPDoc comments: 21.9.3. Discussion
- pathname separator on Unix: 18.1. Introduction
- 19.5.3. Discussion
- recreating full filename from parts: 19.5.3. Discussion
- regular expression pattern delimiters: 13.1. Introduction
- 13.2.3. Discussion
- _ (underscore)
- _( ) alias for gettext( ): 16.11.3. Discussion
- _ _FILE_ _ and _ _LINE_ _ constants: 8.18.3. Discussion
- replacing . (dot) in variable names: 9.10.2. Solution
- SQL wildcard character: 10.10.3. Discussion
Numbers
- 0 (zero)
- as empty variable: 5.1. Introduction
- numbers beginning with: 3.10.3. Discussion
- return values from functions: 6.10.3. Discussion
- in string escape sequences: 1.1. Introduction
Symbols & Numbers
| 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
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