8 Useful PHP Tips Tricks and Best Practices

Today, We want to share with you 8 Useful PHP Tips Tricks and Best Practices.
In this post we will show you PHP Global Functions, hear for Most Useful PHP Array Functions we will give you demo and example for implement.
In this post, we will learn about 8 Useful PHP Functions You Need to Know with an example.

8 Useful PHP Tips Tricks and Best Practices

There are the Following The simple About 8 Useful PHP Tips Tricks and Best Practices Full Information With Example and source code.


is_writable this PHP functions checks specified is writable or not

$live_file = 'pakainfo_file.txt';
if (is_writable($live_file)) {
    echo 'Very Good !!The file is writable';
} else {
    echo 'Sorry, The file is not writable';


php very imp functions is_uploaded_file is uploaded via HTTP POST boolean returns true or false.

if (is_uploaded_file($_FILES['resume_files']['tmp_name'])) {
   echo "File ". $_FILES['resume_files']['name'] ." Good Luck uploaded successfully.\n";
   echo "Displaying data contents\n";
} else {
   echo "Possible file upload attack: ";
   echo "your filename '". $_FILES['resume_files']['tmp_name'] . "'.";


is_readable this PHP functions checks specified readable or not.

$filename = 'pakainfo_file.txt';
if (is_readable($filename)) {
    echo 'Good Luck !,The file is readable';
} else {
    echo 'Sorry, The file is not readable';


check PHP functions is_executable is executable or not.

$myfile = '/home/api/projectfile.sh';
if (is_executable($file)) {
echo $myfile.' is executable, Good Luck';
} else {
echo $myfile.' is not executable, Sorry';

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is_file() PHP functions checks specified file is a regular file

$myfl = "pakainfo_file.txt";
if(is_file($myfl)) {
  echo ("$myfl is a regular file");
} else {
  echo ("$myfl is not a regular file");


is_dir() functions is checks whether each file or folders or not.

$myfl = "/dir/bapu";
if(is_dir($myfl)) {
  echo ("$myfl is a directory");
} else  {
  echo ("$myfl is not a directory");


this PHP functions checks whether the each file is a link or not.

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$mylink = "/dir/movie";
if(is_link($mylink)) {
	echo ("$mylink is a link");
} else  {
  echo ("$mylink is not a link");


simple check this functions file or directory exists or not.

$flname = "/dir/biodata.txt";
if (file_exists($flname)) {
    echo "The file $flname exists";
} else {
    echo "The file $flname does not exist";

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