Define variable from session input
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Dynamic variables names in javascript
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Declaring variables in external script
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Persist variables between page loads
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How to declare a global variable in php?
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How to use variables inside single quotes
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How do I set a variable in the configuration file setting.php and use it from code?
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Dynamically set value of a file input
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How do I read a variable from a file?
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Dynamically assigned table variables?
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How do I dynamically create the variable name in a PHP loop?
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PHP Session variables disappearing?
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Undefined variable: $_SESSION
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How to use variable inside parameter $_GET? example: ($_GET[$my_var])
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JavaScript check if variable exists (is defined/initialized)
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Input from within shell script
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DEFINE vs Variable in PHP