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<!DOCTYPE html> <html> <body> <?php // Check if the variable is numeric $x = 5985; var_dump(is_numeric($x)); echo "<br>"; $x = "5985"; var_dump(is_numeric($x)); echo "<br>"; $x = "59.85" + 100; var_dump(is_numeric($x)); echo "<br>"; $x = "Hello"; var_dump(is_numeric($x)); ?> </body> </html>
bool(true)
bool(true)
bool(true)
bool(false)
