由于某些原因,我想转换包含以下内容的字符串
<p style=“text-align:center; others-style:value;”>Content</p>
到PHP中的<center>Content</center>
。
文本对齐值可以是左,右或居中。还有其他样式时,我想省略它们。
如何在PHP中做到这一点?
编辑:
也许我对最初的问题不够清楚。我的意思是我想转换带有text-align:center
的内容以<center>
包装,并转换带有text-align:right
的内容以<right>
包装。而且,当没有文本对齐样式时,该div不需要任何换行。谢谢。
答案 0 :(得分:7)
您可以使用preg_replace
来这样做:
$test = preg_replace('/(<.*”>)(.*)(<\/.*)/s', '<center>$2</center>', '<p style=“text-align:center; others-style:value;”>Content</p>');
var_dump($test);
它将返回:
string(24) "<center>Content</center>"
The RegEx将输入分为三个捕获组,可以在其中分配第一组和第三组来打开/关闭p
标签。
如果需要,您可以使用此RegEx进一步扩展它,以获取所需的其他任何标签/引号/内容。它会将带有引号(“或”或'或')的所有标签分成五个组,其中第四组( $ 4 )是目标内容。这种RegEx通常对于单次出现很有用非循环字符串,因为它使用(.*)
。
$test = preg_replace('/<(.*)(\"|\”|\'|\’)>(.*)(<\/.*)/s', '<center>$4</center>', '<p style=“text-align:center; others-style:value;”>Content</p>');
var_dump($test);
如果您希望获取样式中的任何特定属性,this RegEx可能会有所帮助:
<(.*)(text-align:)(.*)(center|left|right|justify|inherit|none)(.*)(\"|\”|\'|\’)>(.*)(<\/.*)
$tags = [
'0' => '<p style=“text-align:center; others-style:value;”>Content</p>',
'1' => '<div style=‘text-align:left; others-style:value;’ class=‘any class’>Any Content That You Wish</div>',
'2' => '<span style=\'text-align:right; others-style:value;\' class=\'any class\'>Any Content That You Wish</span>',
'3' => '<h1 style=“text-align:justify; others-style:value;” class="any class">Any Content That You Wish</h1>',
'4' => '<h2 style=“text-align:inherit; others-style:value;” class=“any class">Any Content That You Wish</h2>',
'5' => '<h3 style=“text-align:none; others-style:value;” class=“any class">Any Content That You Wish</h3>',
'6' => '<h4 style=“others-style:value;” class=“any class">Any Content That You Wish</h4>',
];
var_dump($tag);
$RegEx = '/<(.*)(text-align:)(.*)(center|left|right|justify|inherit|none)(.*)(\"|\”|\'|\’)>(.*)(<\/.*)/s';
foreach ($tags as $key => $tag) {
preg_match_all($RegEx, $tag, $matches);
foreach ($matches as $key1 => $match) {
if (sizeof($match[0]) > 0) {
$tags[$key] = preg_replace($RegEx, '<$4>$7</$4>', $tag);
break;
}
}
}
var_dump($tags);
它将返回:
array(7) {
[0]=>
string(24) "<center>Content</center>"
[1]=>
string(38) "<left>Any Content That You Wish</left>"
[2]=>
string(40) "<right>Any Content That You Wish</right>"
[3]=>
string(44) "<justify>Any Content That You Wish</justify>"
[4]=>
string(44) "<inherit>Any Content That You Wish</inherit>"
[5]=>
string(38) "<none>Any Content That You Wish</none>"
[6]=>
string(86) "<h4 style=“others-style:value;” class=“any class">Any Content That You Wish</h4>"
}