How to remove the last few characters in php – PHP problem
The implementation method of php to remove the last few characters: first create a PHP example file; then define a string; finally, remove the last specified character by the “substr($str,0,-4);” method.
The implementation method of php to remove the last few characters: first create a PHP example file; then define a string; finally, remove the last specified character by the “substr($str,0,-4);” method.
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<!--?php
$str='programming';
//Define a string
$res=substr($str,-4);
//Process string
echo "return {$str}
string The last 4 characters of {$res}";
$res=substr($str,0,-4);
//Process the string
echo "<br /-->Return the {$str}
string with the last 4 characters removed {$res}";?>
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