3v4l.org

run code in 300+ PHP versions simultaneously
<!DOCTYPE html> <html> <body> <?php $t; function myCalculations () { $x=22; echo "<p>Test variable oustide of function:</p>"; echo "variable x is: $x"; echo "<br>"; echo "variable t is: $t"; }// Code will only display x myCalculations(); echo "<p>Test variable inside of function:</p>"; echo "variable x is: $x"; echo "<br>"; echo "variable t is: $t"; ?>//Code will only display t </body> </html>
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
<!DOCTYPE html> <html> <body> <p>Test variable oustide of function:</p>variable x is: 22<br> Warning: Undefined variable $t in /in/Q3FVV on line 11 variable t is: <p>Test variable inside of function:</p> Warning: Undefined variable $x in /in/Q3FVV on line 15 variable x is: <br> Warning: Undefined variable $t in /in/Q3FVV on line 17 variable t is: //Code will only display t </body> </html>
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
<!DOCTYPE html> <html> <body> <p>Test variable oustide of function:</p>variable x is: 22<br> Notice: Undefined variable: t in /in/Q3FVV on line 11 variable t is: <p>Test variable inside of function:</p> Notice: Undefined variable: x in /in/Q3FVV on line 15 variable x is: <br> Notice: Undefined variable: t in /in/Q3FVV on line 17 variable t is: //Code will only display t </body> </html>
Output for 7.3.32 - 7.3.33
<!DOCTYPE html> <html> <body> <p>Test variable oustide of function:</p>variable x is: 22<br>variable t is: <p>Test variable inside of function:</p>variable x is: <br>variable t is: //Code will only display t </body> </html>
Output for 5.0.4 - 5.0.5
<!DOCTYPE html> <html> <body> Notice: Undefined variable: t in /in/Q3FVV on line 5 <p>Test variable oustide of function:</p>variable x is: 22<br> Notice: Undefined variable: t in /in/Q3FVV on line 11 variable t is: <p>Test variable inside of function:</p> Notice: Undefined variable: x in /in/Q3FVV on line 15 variable x is: <br> Notice: Undefined variable: t in /in/Q3FVV on line 17 variable t is: //Code will only display t </body> </html>
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.3
<!DOCTYPE html> <html> <body> Notice: Undefined variable: t in /in/Q3FVV on line 5 <p>Test variable oustide of function:</p>variable x is: 22<br> Notice: Undefined variable: t in /in/Q3FVV on line 11 variable t is: <p>Test variable inside of function:</p> Notice: Undefined variable: x in /in/Q3FVV on line 15 variable x is: <br> Notice: Undefined variable: t in /in/Q3FVV on line 17 variable t is: //Code will only display t </body> </html>
preferences:
294.59 ms | 403 KiB | 460 Q