3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php /* User Defined Functions function function_name($arg_1, $arg_2, ..., $arg_n) { code_line1; code_line2; code_line3; return ($value); //stops execution of the function and returns its argument as the value at the point where the function was called. } One may have more than one return()statements in a function. */ $text= 'This Line is Bold and Italics.'; function makebold_n_italics($text) { $text = "<i><b>$text</i></b>"; return($text); //the return() statement immediately ends execution of the current function, and returns its argument as the value of the function call in print command } print("This Line is not Bold.<br>\n"); print("This Line is not Italics.<br>\n"); echo makebold_n_italics("$text") ,"--->", 'It prints the returned value of variable $text when function is called.'."<br>\n"; echo "$text", '---> prints the original value of variable $text.'."<br>\n"; // prints the original value of $text $thanks='Thanks to Zeev Suraski and Andi Gutmans !!!'; $text=$thanks; echo makebold_n_italics("$text");
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
This Line is not Bold.<br> This Line is not Italics.<br> <i><b>This Line is Bold and Italics.</i></b>--->It prints the returned value of variable $text when function is called.<br> This Line is Bold and Italics.---> prints the original value of variable $text.<br> <i><b>Thanks to Zeev Suraski and Andi Gutmans !!!</i></b>