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| HTML tag used to specify that a block of code is to be run as PHP code instead of HTML. |
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Command in PHP that creates HTML which is outputted to the screen.
Whatever you put inside of echo becomes converted into text which is placed inside of paragraph tags. |
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A programming data structure that has a name and holds a value.
A variable can be a number, a decimal number, a letter or a word. |
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'=' are used to assign a variable a value. For example, if we have a variable named 'number' we could say:
number = 10;
This assigns the value of 10 into a variable called 'number'. |
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| math operators (*, /, +, -) |
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math operators can be used with variables to create calculations.
For example:
number = 10 * 20; |
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| A form is a way to ask the user of your webpage to enter in information. |
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A data structure that is made up of a set of variables each given a number. For example:
number[0] = 2;
number[1] = 5;
number[2] = 10;
Here we have an array called number and the first variable in the array is set to 2, the second is set to 5 and the third is set to 10. |
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| A block of code that is given a name and can be run as many times as needed in a program. A function can take in variables to perform calculations and return the value of that calculation. |
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| A function in PHP that sends out an email to the address and message you specify. |
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| Values or variables that are given to a function so that the function can perform a calculation with them. |
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| The value that a function returns back to the program that called it. |
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A type of variable that is made up of more than one letter. For example:
word = "hello"; |
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| Putting two strings (words) together to create one word. For example, concatenating "hello" and "world" would give us "helloworld". |
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| A computer that is making a request for information on a server. For example, a person at home trying to search on Google. The person is the client. |
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| A program on a computer that receives requests for information from other computers and sends out information that is requested. For example, a person trying to search on Google. The Google computer that is sending the person information is the server. |
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| space on a hard drive that is used to store large amounts of information. For example, the login and password information for all the accounts in Schoology. |
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