Php adds a span tag to a group of specified keywords. span tag _ PHP Tutorial

Php adds a span tag to a group of specified keywords. Php adds a span tag to a group of specified keywords. This article describes how php adds a span tag to a group of specified keywords. Share it with you for your reference. For example, php adds a span tag to a group of specified keywords.

This example describes how php adds a span tag to a set of specified keywords. Share it with you for your reference. The details are as follows:

In this example, php adds a span tag to a group of specified keywords to highlight and highlight keywords.

// Example use: $spanned = codeWords($string_containing_keywords);// My site: andrew.dx.am// Using colour==blue, but different arrays of words and different // colours can be added.function onlyWholeWords(&$value, $key) {// Ignores words after // comment delimiters.//$value = "/\b(" . $value . ")\b/";  // doesn't handle comments//$value = "/^(?:(?!\/\/).)*\K\b(" . $value . ")\b/"; // \K lookbehind alternative is not supported in PHP < 5.2.4, so use:  $value = "/^((?:(?!\/\/).)*)\b" . $value . "\b/";}function addSpan(&$value, $key, $color='blue') {  $value = "$1" . $value . "";}function codeWords($code) {  $keywords = array('as', 'break', 'case', 'class',  'continue', 'default', 'do', 'elif', 'else',  'elseif', 'for', 'foreach', 'function', 'if',   'new', 'null', 'return', 'self', 'switch',  'this', 'to', 'typeof', 'until',  'var', 'void', 'while', 'with');  $keywords2 = $keywords;  array_walk($keywords, 'onlyWholeWords');  array_walk($keywords2, 'addSpan', 'blue');  $code = preg_replace($keywords, $keywords2, $code);  return $code;}

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Examples in this article describes how php adds a span tag to a set of specified keywords. Share it with you for your reference. For details, see...