Intro to PHP Unit
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| A set of data represented by a single variable name. | array
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| An operator used for assigning a value to a variable. | assignment operator
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| A value of TRUE or FALSE. | Boolean value
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| Contains information that cannot change during the course of program execution. | constant
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| The specific category of information that a variable contains. | data type
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| Refers to single piece of data that is stored in an array. | element
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| A number that contains decimal places. | floating-point number
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| The name assigned to a variable. | identifier
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| An element’s numeric position in an array. | index
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| A positive or negative number and zero with no decimal places. | integer
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| Any text enclosed within single or double quotation marks. | literal string
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| Data types that can be assigned only a single value. | primitive types
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| Data type that contains multiple values. Also called composite. | reference
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| The values a program stores in computer memory. | variables
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| Stores “1” if TRUE, “0” if FALSE | Boolean
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| signed and unsigned whole numbers | Integers
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| signed and unsigned decimal numbers | Floating point numbers
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| any combination of characters, numbers, symbols | Strings
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| combination data type holding two or more values | Arrays
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| references objects created by other programs | Objects
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| references resources | Resources
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| data type indicating no value assigned | NULL
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
melissagoodall
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