check if string contains only whitespace php

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Yannic
27 Jan 2019
1if ($str == trim($str) && strpos($str, ' ') !== false) {
2    echo 'has spaces, but not at beginning or end';
3}
Leah
07 May 2020
1ctype_space("  ") //returns true
2
3ctype_space("   a   ") //returns false
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