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Home/ Questions/Q 8482895
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Editorial Team
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Editorial Team
Asked: June 10, 20262026-06-10T19:56:10+00:00 2026-06-10T19:56:10+00:00

Validate the user entered in textbox that contains only white spaces. $str = ‘

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Validate the user entered in textbox that contains only white spaces.

$str = ' ';
$str2 = " abc @ def <etc>";

I need to validate the above two strings ,that returns an output for $str is false and $str2 is true.

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  1. Editorial Team
    Editorial Team
    2026-06-10T19:56:12+00:00Added an answer on June 10, 2026 at 7:56 pm

    This is how I’d do it.

    $isValidString = (bool) strlen(trim($str));
    
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