Improving PHP Code Efficiency with Minification
PHP Minifier is a tool or process that reduces the size of PHP code by removing unnecessary characters, such as whitespaces, comments, and line breaks, without affecting its functionality. The purpose of minifying PHP code is to improve page load times and reduce bandwidth usage by reducing the overall file size.Minification is commonly used in web development to optimize the delivery of code to the client's browser. By removing unnecessary characters, the file size is reduced, resulting in faster downloads and improved performance.You can get the complete code from Github
PHP minifiers typically operate by parsing the PHP code and removing any characters that are not essential for the code's execution. This includes removing whitespace, comments, and unnecessary line breaks. However, it's important to note that minification should not alter the logic or functionality of the code.
PHPMinifier.php
1 <?php
2 class PHPMinifier {
3
4 private $fileName;
5
6 public function __construct() {
7 $this->fileName = "";
8 }
9
10 public function apply($fileLocation = "") {
11 if($fileLocation == "")
12 { return; }
13 else
14 {
15 if(file_exists$fileLocation) {
16 $temp = explode("/",$fileLocation);
17 $this->fileName = trim(end$temp);
18 $fileContent = trim(file_get_contents$fileLocation, true);
19 if($fileContent == "")
20 { return; }
21 }
22 else
23 { return; }
24
25 $minifierString = "";
26 $lastCharacter = "";
27
28 $counter = 0;
29 $contentSize = strlen($fileContent);
30 while($counter < $contentSize) {
31 $character = $fileContent[$counter];
32 $code = intval(ord$character);
33 if($code == 10) //Find EOL (End of Line)
34 { $minifierString .= " "; }
35 else if($character == "\t") //Find Tab
36 { $minifierString .= ""; }
37 else if($character == "#") { //Find Single Line (#.....) Comment
38 $counter++;
39 while($counter < $contentSize) {
40 $character = $fileContent[$counter];
41 $code = intval(ord$character);
42 if($code == 10) { //Find EOL (End of Line)
43 $minifierString .= " ";
44 break;
45 }
46 $counter++;
47 }
48 }
49 else if($character == "\"" || $character == "'") { //Find Double or Single Quote
50 $minifierString .= $character;
51 $foundCharacter = $character;
52 $counter++;
53 while($counter < $contentSize) {
54 $character = $fileContent[$counter];
55 if($character == $foundCharacter) {
56 $minifierString .= $character;
57 if($lastCharacter == "\\") {
58 $lastCharacter = "";
59 }
60 else
61 { break; }
62 }
63 else if($character == "\\" && $lastCharacter == "\\") {
64 $minifierString .= $character;
65 $lastCharacter = "";
66 }
67 else
68 {
69 $lastCharacter = $character;
70 $code = intval(ord$character);
71 if($code != 10)
72 { $minifierString .= $character; }
73 else
74 { $minifierString .= " "; }
75 }
76 $counter++;
77 }
78 }
79 else if($character == "/" && isset$fileContent[$counter+1] && $fileContent[$counter+1] == "*" || $fileContent[$counter+1] == "/") { // Single (//....) and Multiple Lines (/* */) Comment
80 if($fileContent[$counter+1] == "*") {
81 $counter += 2;
82 $checkCharacter = "*";
83 while($counter < $contentSize) {
84 if($fileContent[$counter] == $checkCharacter) {
85 if($checkCharacter == "*")
86 { $checkCharacter = "/"; }
87 else
88 {
89 $minifierString .= " ";
90 break;
91 }
92 }
93 $counter++;
94 }
95 }
96 else
97 {
98 $counter += 2;
99 while($counter < $contentSize) {
100 $character = $fileContent[$counter];
101 $code = intval(ord$character);
102 if($code == 10) {
103 $minifierString .= " ";
104 break;
105 }
106 $counter++;
107 }
108 }
109 }
110 else
111 { $minifierString .= $character; }
112 $counter++;
113 }
114 echo $minifierString;
115
116 //Please remove the below comment, if you want to store the compress minifier string in file (compress-minifier.txt), please check this file permission (read/write) also.
117 /*
118 $outputFile = "./compress-minifier.txt";
119 $fileObj = fopen($outputFile, "w+") or die("Unable to create/open file!");
120 fwrite($fileObj, $minifierString);
121 fclose($fileObj);
122 if(file_exists($outputFile))
123 { echo "Please find the minifier script in <b>[".$outputFile."]</b>"; }
124 else
125 { echo "Couldn't able to produce the output"; }
126 */
127 }
128 }
129 }
130 ?>index.php
1 <style>
2 body {
3 background-color:#0C134F;
4 color:#9BA4B5;
5 }
6 </style>
7 <?php
8 include_once("PHPMinifier.php");
9 $obj = new PHPMinifier();
10 $obj->apply("PHPMinifier.php");
11 $obj->apply("PHPMinifier.php");
12 ?>
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