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PHP if 运算符
tryphp_if_not_equal
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<!DOCTYPE html> <html> <body> <h1>The != Operator</h1> <p>Compare two variables and write a message if they don't have the same value.</p> <?php $x = 100; $y = 50; if ($x != $y) { echo "$x is not equal to $y"; } ?> </body> </html>
The != Operator
Compare two variables and write a message if they don't have the same value.
100 is not equal to 50