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How to remove spaces in variables in php: 1. Delete spaces in strings through trim method; 2. Replace spaces with preg_replace method; 3. Replace spaces with str_replace function.
The operating environment of this article: windows7 system, PHP7.1 version, DELL G3 computer
How to remove variable spaces in php?
php remove spaces from string
##1, Commonly used methods trimExample:$test = " abc"; //方法一:函数把 HTML 实体转换为字符。 $converted = html_entity_decode($test),chr(0xc2).chr(0xa0); //方法二: $converted = strtr($myHTML, array_flip(get_html_translation_table(HTML_ENTITIES, ENT_QUOTES))); //php:45:string ' abc' (length=5) $converted = trim($converted,chr(0xC2).chr(0xA0)); // should work var_dump($converted);
Hexadecimal conversion: 0xC2 to  0xA0 to space2, use preg_replace to replace Example:The official chr(0xC2).chr(0xA0) is not very If you understand what it means, friends who know can leave a message below
$str = ' t e s t'; $str = preg_replace('/\s+/', '', $str); // 将会改变为'test'3, use str_replace to replace Example
$str = " t e s t"; $str=str_replace(" ",'',$str); echo $strRecommended study: "
PHP Video Tutorial"
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