print_r



print_r

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i add this function to the global scope on just about every project i do, it makes reading the output of print_r() in a browser infinitely easier. <?php function print_r($val){ echo '

'; print_r($val); echo '
'; } ?> it also makes sense in some cases to add an if statement to only display the output in certain scenarios, such 

print_r

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the print_r() function is used to print humanreadable information about a variable.

print_r

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description, fonctions sur les variables print_r affiche des informations lisibles pour une variable. syntaxe, print_r (variable [, true]) le paramètre optionnel "true" stocke l'affichage dans une variable 

print_r

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liste de paramètres. expression. l'expression à afficher. return. si vous voulez obtenir le résultat de print_r() dans une chaîne, utilisez le paramètre return . lorsque ce paramètre vaut true , print_r() retournera l'information plutôt que de l'afficher.

print_r

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echo and print_r are different beasts. echo is a language construct that can "act" as a function, and by act, i mean you can echo string if its within parenthesis. these are valid. echo ("hello"); echo "hello", "world";. however, this is not: echo ("hello", "world");. echo, i believe, will only output data types of 

print_r

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most modern browsers have a console in their developer tools, useful for this sort of debugging. console.log(myvar);. then you will get a nicely mapped out interface of the object/whatever in the console. check out the console documentation for more details.

print_r

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an array in php computer programming contains a group of similar objects that are the same type and size. the array can contain integers, characters or anything else with a defined data type. the print_r php function is used to return an array in a human readable form. it is written as print_r($your_array).

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to put it simply, krumo is a replacement for print_r(); and var_dump();. by definition krumo is a debugging tool (php/php), which displays structured information about any php variable.

print_r

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it's the same as in other php applications with separate v layer print and print_r , being directly php functions, don't know about anything in view layer of drupal application. they cannot pass their output to theming chain, cache systems in place and so on. that said, they often works, but that's more a coincidence.

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<?php. dump array or object as tree node. if you send multiple params in this method,. this function will batch print it. . if last param is integer, it will set to be level limited. so make sure your last param is not integer if you want to print it. . usage: . ``` php. show($array, $object, $anyvariable);. . show($array