3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = "0"; // $foo is a string (ASCII 48) var_dump($foo); $foo++; // $foo is the string "1" (ASCII 49) var_dump($foo); $foo += 1; // $foo is now an integer (2) var_dump($foo); $foo = $foo + 1.3; // $foo is now a double (3.3) var_dump($foo); $foo = 5 + "10 Little Piggies"; // $foo is a double (15) var_dump($foo); $foo = 5 + "10 Small Pigs"; // $foo is an integer (15) var_dump($foo);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
string(1) "0" int(1) int(2) float(3.3) Warning: A non-numeric value encountered in /in/h53Xb on line 14 int(15) Warning: A non-numeric value encountered in /in/h53Xb on line 17 int(15)
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
string(1) "0" int(1) int(2) float(3.3) Notice: A non well formed numeric value encountered in /in/h53Xb on line 14 int(15) Notice: A non well formed numeric value encountered in /in/h53Xb on line 17 int(15)
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 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, 7.3.32 - 7.3.33
string(1) "0" int(1) int(2) float(3.3) int(15) int(15)

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