Common errors

Syntax errors

• Misspelling keywords.
• Forgetting an opening or closing parenthesis, bracket, brace, or comment character.
• Forgetting to end a PHP statement with a semicolon.
• Forgetting an opening or closing quotation mark.
• Not using the same opening and closing quotation mark.

Problems with variable names

• Misspelling or incorrectly capitalizing a variable name.
• Using a keyword as a variable name.

Problems with values

• Not checking that a value is the right data type before processing it.
• Using one equals sign instead of two when testing for equality.

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