Print PHP arrays in a way that fits human reading

In the process of program development; printing data for viewing debugging is very frequent; it is rather painful if there is no easy-to-read style;

Define an array first;

$array =array (' t0 ' = ' test0 ', ' t1 ' = ' test1 ', ' T3 ' =>array (' tt0 ' = ' test0 ', ' tt1 ' = ' tes ') T1 ', ' tt3 ' = ' test3 ',));

If the PHP system function Print_r Printing, the effect is this;

Print_r ($array);

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I think in addition to the super-divine level of eyesight, the average person is difficult to read;

Fortunately PHP has prepared a slightly more reliable var_dump function for us, the effect is this:

Var_dump ($array);

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Var_dump temporarily used to print fractional groups can also do well; If you print a complex structure, or long-term development of a project, this style still looks ugly;

So handwritten a P-function, the effect is such;

function P ($data) {echo ' 
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The world instantly clean and tidy, the reason is added 2 
For a long time it was a primitive function, until one day it was discovered that Bootstrap's style definition of <pre>, so the P function was upgraded to look like this, and the effect was this:
function P ($data) {echo ' <pre style= ' display:block;padding:9.5px;margin:0px 0px 10px;font-size:13px;line-height:    1.42857;    Color: #333; Word-break:break-all;word-wrap:break-word;background-color: #F5F5F5; border:1px solid #CCC; border-radius:4px; " > '. Print_r ($data, true). ' </pre> ';} P ($array);
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Again deeply thanked Bootstrap;
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Print PHP arrays in a way that fits human reading