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Remove PHP comments and whitespace functions

Source: Internet
Author: User
Tags php source code
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  4. /**
  6. * Remove whitespace and comments from the code
  8. * @param string $content code content
  10. * @return String
  12. */
  14. function Strip_whitespace ($content) {
  16. $STRIPSTR = ";
  18. Analysis of PHP source code
  20. $tokens = Token_get_all ($content);
  22. $last _space = false;
  24. for ($i = 0, $j = count ($tokens); $i < $j; $i + +) {
  26. if (is_string ($tokens [$i])) {
  28. $last _space = false;
  30. $stripStr. = $tokens [$i];
  32. } else {
  34. Switch ($tokens [$i][0]) {
  36. Filter various PHP comments
  38. Case T_comment:
  40. Case T_doc_comment:
  42. Break
  44. Filter spaces
  46. Case T_whitespace:
  48. if (! $last _space) {
  50. $stripStr. = ';
  52. $last _space = true;
  54. }
  56. Break
  58. Case T_start_heredoc:
  60. $stripStr. = "<<<>
  61. Break
  64. Case T_end_heredoc:
  66. $stripStr. = "think;\n";
  68. for ($k = $i +1; $k < $j; $k + +) {
  70. if (is_string ($tokens [$k]) && $tokens [$k] = = '; ') {
  72. $i = $k;
  74. Break
  76. } else if ($tokens [$k][0] = = T_close_tag) {
  78. Break
  80. }
  82. }
  84. Break
  86. Default
  88. $last _space = false;
  90. $stripStr. = $tokens [$i][1];
  92. }
  94. }
  96. }
  98. return $stripStr;
  100. }
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    Related Keywords:
    remove whitespace javascript remove whitespace from beginning and end of string xml remove whitespace html remove whitespace sql remove whitespace xml remove whitespace online php whitespace

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