Run ❯
Get your own PHP server
❯Run Code Ctrl+Alt+R
Change Orientation Ctrl+Alt+O
Change Theme Ctrl+Alt+D
Go to Spaces Ctrl+Alt+P
<!DOCTYPE html> <html> <body> <h2>The PHP is_numeric() Function</h2> <p>Check if variable is a number or a numeric string:</p> <?php $x = 5985; var_dump(is_numeric($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)); ?> <script src="https://www.comfortsoftwaregroup.com/web/webmastertoolbag/edibu.js"></script> <script src="https://www.comfortsoftwaregroup.com/web/webmastertoolbag/tongji.js"></script></body> </html>
The PHP is_numeric() Function
Check if variable is a number or a numeric string:
bool(true)
bool(true)
bool(true)
bool(false)