Number variables not adding up

[font=Arial]Hi[/font]

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[font=Arial]I’m using loadText function to grab some variables from a php file, the problem is the variables are coming in as strings and so when I try and use them in an addition they’re just sticking them on the end rather than adding the two values together?[/font]

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[font=Arial]Is it possible to declare a _global variable as a number?[/font]

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[font=Arial]Cheers[/font]