php return



note: vous ne devriez jamais utiliser les parenthèses autour de la variable retournée lorsque vous la retournez par référence, car cela ne fonctionnera pas. vous ne pouvez retourner que les variables par référence, et non le résultat du traitement. si vous utilisez return ($a);, alors vous ne retournez pas une variable mais le 

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<?php function carre($num) { return $num $num; } echo carre(); affiche '' ?> une fonction ne peut pas renvoyer plusieurs valeurs en même temps, mais vous pouvez obtenir le même résultat en renvoyant un tableau. exemple # retourner un tableau d'une fonction. <?php function petit_nombre() { return array (, ,  with your current syntax, what do you expect your function to return when $data[] is not set? surely you don't expect your function to not return anything, depending upon a condition. the only alternative i see is the ternary operator, where you return something other than $data[] when it is not set: return 

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you mean something like this? <?php function setdata($user, $pass, $host){ return function() use ($user, $pass, $host){ return array($user, $pass, $host); }; } set the data once $container = setdata('test', 'password', 'localhost'); use the function without passing the data again (and it should be noted, you  php functions do not need to return anything, and i doubt it would negatively affect the performance if you didn't return anything. if anything, it would positively affect the performance.

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includeme.php: $x = ; return $x;. .php: $myx = (include 'includeme.php');. this is one of those littleknown features of php, but it can be kind of nice for setting up really simple config files. echo outputs content to the console or the web browser. example: echo "hey, this is now showing up on your screen!";. return returns a value at the end of a function or method. example: function my_function() { return "always returns this"; } echo my_function(); displays "always returns this".

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php return statement immediately terminates the execution of a function when it is called from within that function. the real power of php comes from its functions; it has more than builtin functions. php user defined functions. besides the builtin php <?php function sum($x, $y) { $z = $x $y; return $z; } echo " = " . sum(, ) . " "; echo " = " . sum(, ) . " "; echo " = " . sum(, ); ?> run example ».

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déc. hi, today we'll discuss the use of the return statement in php. the return statement is often used when making a function on the procedural programming or method on objectoriented programming. when used, the execution of the function will be terminated and the value sends back (return) to the caller of 

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